CN207320303U - Radio antenna and the mobile device including the radio antenna - Google Patents
Radio antenna and the mobile device including the radio antenna Download PDFInfo
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- CN207320303U CN207320303U CN201721182437.7U CN201721182437U CN207320303U CN 207320303 U CN207320303 U CN 207320303U CN 201721182437 U CN201721182437 U CN 201721182437U CN 207320303 U CN207320303 U CN 207320303U
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- coil portion
- radio antenna
- mobile device
- coil
- magnetic
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06187—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with magnetically detectable marking
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06187—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with magnetically detectable marking
- G06K19/06206—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with magnetically detectable marking the magnetic marking being emulated
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Near-Field Transmission Systems (AREA)
- Details Of Aerials (AREA)
Abstract
The utility model, which provides a kind of radio antenna and the mobile device including the radio antenna, the radio antenna, includes magnetic body and coil portion.The coil portion has the solenoid shape formed around the magnetic body for limiting core.The coil portion is separated from each other, and is serially connected.The magnetic field radiated by the coil portion overlaps each other, and each coil portion in the coil portion includes：First wiring portion, is arranged on the first surface of the magnetic body；Second wiring portion, is arranged on the second surface of the magnetic body；And conductive via, first wiring portion is interconnected with second wiring portion.It may include the solenoid coil of miniaturization and slimming according to the utility model, radio antenna and the mobile device including the radio antenna, and can have improved radiation characteristic.
Description
This application claims No. 10-2016-0120665 submitted in September in 2016 21 days in Korean Intellectual Property Office and
In the priority for the 10-2016-0163072 korean patent applications that on December 1st, 2016 submits in Korean Intellectual Property Office
Rights and interests, the complete disclosure of the korean patent application is contained in this by quoting for all purposes.
Technical field
Following description is related to a kind of radio antenna and the mobile device including the radio antenna.
Background technology
Wireless communication usually has various applications.Specifically, when authorize for example point of sales terminal e-payment friendship
Yi Shi, can use the radio antenna formed by coil in various mobile devices.
In the mobile device, recently using the wireless communication formed by the spiral winding for the cap for being attached to mobile device
Antenna.
However, the radio antenna used in wearable device should meet user to RF radiation directions and scope
It is desired reliably simultaneously to send and receive data.
In addition, with metal shell application in the mobile device, to meeting radiation direction and radiation scope the needs of
Various types of radio antennas studied.
Utility model content
There is provided the utility model content to introduce the design of selection according to reduced form, below in a specific embodiment into
One step describes the design.The utility model content is not intended to determine the key feature or necessary special of theme claimed
Sign, is also not intended to be used to help the scope for determining theme claimed.
Meeting that user reliably simultaneously sends out RF radiation directions and the desired of scope to solve radio antenna
The problem of sending and receiving data, the utility model provide a kind of solenoid coil that may include miniaturization and slimming and can have
The radio antenna of improved radiation characteristic and the mobile device including the radio antenna.
In a general aspect, a kind of radio antenna includes magnetic body and coil portion.The coil portion, which has, to be enclosed
The solenoid shape formed around the magnetic body for limiting core.The coil portion is separated from each other, and is serially connected.
The magnetic field radiated by the coil portion overlaps each other, and each coil portion in the coil portion includes：First wiring portion,
It is arranged on the first surface of the magnetic body；Second wiring portion, is arranged on the second surface of the magnetic body；And lead
Electric via, makes first wiring portion be interconnected with second wiring portion.
The magnetic field in the radiation-curable region between the coil portion by the magnetic body of the coil portion.
The magnetic body can be formed by heap stacked plate magnetosphere, and the magnetosphere is by magnetically soft alloy material shape
Into.
First wiring portion and second wiring portion can include the conductive pattern being arranged on film substrate respectively.
The conductive via is formed as the resin bed by being arranged on the outside of the magnetic body.
The coil portion may include three coil portions, from the magnetic field of two area radiations between three coil portions that
This is overlapping.
In another general aspect, a kind of mobile device includes：Radio antenna, including the coil portion being separated from each other.Institute
Coil portion is stated in solenoid shape and with the magnetic body as core.Lid with least one slit covers the nothing
Line communication antenna.The radio antenna is arranged so that the part in the magnetic field produced by the radio antenna is worn
Cross at least one slit.
The radio antenna allows each coil portion in the coil portion to radiate by the magnetic body
The magnetic field in the region between the coil portion.
The magnetic body can be formed by heap stacked plate magnetosphere, and the magnetosphere is by magnetically soft alloy material shape
Into.
Each coil portion in the coil portion may include：First wiring portion, is arranged on the first table of the magnetic body
On face；Second wiring portion, is arranged on the second surface of the magnetic body；And conductive via, make first wiring portion with
Second wiring portion interconnects.
First wiring portion and second wiring portion can each include the conductive pattern being arranged on film substrate.
The conductive via is formed as the resin bed by being arranged on the outside of the magnetic body.
The lid may include the first slit and the second slit, and the radio antenna may be provided at the interior of the lid
In portion, between first slit and second slit.
The lid can be formed by metal material, and at least one slit can be filled with nonmetallic materials.
The radiation-curable magnetic field impulse including magnetic stripe data of the radio antenna.
The radio antenna can be arranged such that the winding axis of the coil portion perpendicular at least one slit.
In another general aspect, a kind of mobile device includes：Antenna, forms around magnetic body, and the antenna has that
This is separated and coil portion for being connected to each other, and each coil portion in the coil portion is formed in ilm substrate；And metal cover, set
Above the antenna, the metal cover has slit.The equal radiation field of the coil portion of the antenna, in the coil portion
Each coil portion magnetic field it is overlapping, the magnetic field impulse of magnetic stripe data is included with radiation.
The magnetic field impulse is radiation-curable to pass through the slit.
Each coil portion in the coil portion can be connected by conductive via.
The conductive via is formed as the resin bed by being arranged on the outside of the magnetic body.
It may include to minimize using the utility model, radio antenna and the mobile device including the radio antenna
With the solenoid coil of slimming, and can have improve radiation characteristic.
By detailed description below, attached drawing and claim, other features and aspect will be evident.
Brief description of the drawings
Fig. 1 is the exemplary perspective view for showing to perform the mobile device of wireless communication.
Fig. 2 is the exemplary diagram for showing to be adjacent to the voltage at the magnetic head both ends of magnetic card.
Fig. 3 is that the magnetic head for showing magnetic card reading is magnetically coupled to the exemplary diagram of radio antenna.
Fig. 4 is the exemplary perspective view of mobile device.
Fig. 5 A are the exemplary front views of radio antenna.
Fig. 5 B are the exemplary rearviews of radio antenna.
Fig. 5 C are the sectional views along the I-I ' lines interception of Fig. 5 A.
Fig. 6 is the exemplary diagram for the radiation characteristic for showing radio antenna.
Fig. 7 is the exemplary diagram for the radiation characteristic for showing another radio antenna.
Fig. 8 is the exemplary diagram for the radiation characteristic for showing another radio antenna.
In all the drawings and specific embodiments, identical label indicates identical element.In order to it is clear, explanation and
For the sake of convenient, attached drawing can not to scale draw, and the relative size, ratio and description of the element in attached drawing can be exaggerated.
Embodiment
Detailed description below is provided, to help reader to obtain to the complete of method described here, equipment and/or system
Foliation solution.However, after it understanding of present disclosure, method, equipment and/or the various of system described herein change
Become, modification and equivalent will be apparent.For example, operation order described here is only example, and it is not limited to herein
The example illustrated, but in addition to the operation except that must occur according to particular order, it can carry out understanding of disclosure herein
It will become apparent to change after content.In addition, in order to increase clearness and terseness, feature as known in the art can be omitted
Description.
Feature described here can be implemented in different forms, and will not be construed as limited to described here show
Example.More precisely, example described here is provided, just to show to incite somebody to action after it understanding of present disclosure
It is some feasible patterns in a variety of feasible patterns for obviously realize method described here, equipment and/or system.
Throughout the specification, when element (such as layer, region or substrate) be described as " " another element " on ", " even
Be connected to " another element or " being attached to " another element when, its can directly " " another element " on ", " being connected to " another element or
" being attached to " another element, or one or more other elements between them may be present.In contrast, element is worked as
Be described as " directly existing " another element " on ", " being directly connected to " another element or during " being bonded directly to " another element, can
There is no other elements between them.
It is a that term "and/or" as used herein includes any one and any two during correlation is listd or more
Any combinations.
Although the term of such as " first ", " second " and " the 3rd " can be used herein to describe various components, component, region,
Layer or part, but these components, component, region, layer or part should not be limited by these terms.More precisely, these terms
It is only used for distinguishing a component, component, region, layer or part and another component, component, region, layer or part.Therefore,
In the case where not departing from exemplary teaching, the first component, component, region, layer or the portion that are arrived involved in example described here
Divide and may be additionally referred to as second component, component, region, layer or part.
In order to facilitate description, can be used herein such as " ... on ", " top ", " ... under " and " lower section "
Space correlation term in order to describing the relation between an element and another element as shown in the drawings.Such space
Relational language is intended to comprising the different azimuth of device in use or operation in addition to the orientation described in attached drawing.For example,
If the device in attached drawing is reversed, be described as relative to another element positioned at " on " or the element of " top " will be subsequent
Be described as relative to another element positioned at " under " or " lower section ".Therefore, term " ... on " according to the space of device
Direction include " ... on " and " ... under " two kinds of orientation.Device can also be positioned otherwise (for example,
It is rotated by 90 ° or in other orientation), and corresponding explanation can be made to space correlation term as used herein.
Term as used herein is merely to describe various examples, without being used to the limitation disclosure.Unless context is another
Clearly indicate outside, otherwise singulative is also intended to comprising plural form.Term "comprising", " comprising " and " having " are enumerated and are deposited
In feature, quantity, operation, component, element and/or the combinations thereof stated, but one or more is not precluded the presence or addition of
Multiple other features, quantity, operation, component, element and/or combinations thereofs.
Exemplary feature described here can be various will become apparent to after it understanding of present disclosure
Mode is combined.In addition, although example described here has a variety of constructions, present disclosure understanding of
It is also feasible for will become apparent to other constructions afterwards.
Fig. 1 is the exemplary perspective view for showing the mobile device 30 for wireless communication.
Fig. 1 depicts the system available for wireless transactions, and the system comprises the reception of wireless signals with receiving coil
Device, for example, magnetic card reading 10.According to example, in addition to magnetic card reading 10, also can be used as including receiving coil
The various wireless signal receivers of device.
Mobile device 30 includes radio antenna 20, to transmit data to magnetic card reading 10.Mobile device 30
It is configured to produce magnetic field using radio antenna 20.
In addition, radio antenna 20 is operated as transmit coil, and it is magnetically coupled to the wireless communication including receiving coil
Number receiver, wirelessly to send data.
In one example, radio antenna 20 is sent to magnetic card reading by varying the direction in magnetic field to send expectation
Take the data (for example, card number data) of device 10.Magnetic card reading 10 utilizes the change on the voltage that receiving coil both ends produce
To produce card number data, change on the voltage by the change on the direction in the magnetic field formed by radio antenna 20 and
Cause.
Hereinafter, the magnetic coupling that will be more fully described with reference to Fig. 2 and Fig. 3 between radio antenna and magnetic card reading
Conjunction and the operation of magnetic card reading.
Fig. 2 is the exemplary diagram for showing to be adjacent to the voltage at the magnetic head both ends of magnetic card.
Magnetic card reading 10 (Fig. 1) includes magnetic head 210 and analog-digital converter (not shown).Magnetic head 210 passes through to magnetic flux
Amount produces voltage.For example, magnetic head 210 includes receiving coil 211, and detect by magnetic field generation in 211 liang of receiving coil
The voltage V at endhead。
When receiving coil 211 undergoes the change on magnetic field, voltage is produced at 211 both ends of receiving coil by magnetic flux
Vhead。
Produce the voltage V at 211 both ends of receiving coilheadIt is provided to analog-digital converter, analog-digital converter is from receiving line
Enclose the voltage V at 211 both endsheadProduce decoded signal Vdecode.Decoded signal VdecodeCan be digital voltage signal, and can be from
Decoded signal VdecodeProduce card information data.
Magnetic card has magnetized magnetic stripe 220.The movement above magnetic stripe 220 with magnetic head 210, by magnetic flux in magnetic head
210 211 both ends of receiving coil produce voltage Vhead。
The voltage V at 211 both ends of receiving coilheadCrest voltage with the polarity according to magnetic stripe 220.For example, identical
In the case that polarity is closer to each other, the voltage V at 211 both ends of receiving coilheadThere to be crest voltage.
In addition, voltage V of the analog-digital converter from 211 both ends of receiving coilheadProduce decoded signal Vdecode.For example, whenever
When detecting crest voltage, analog-digital converter produces edge signal, and the edge signal is used to produce decoded signal Vdecode。
Decoded signal VdecodeIt is digital voltage signal, numerical data is decoded from the digital voltage signal.For example, root
According to decoded signal VdecodeCycle length, represent " 1 " or " 0 ".Example shown in Fig. 2 can be seen that decoded signal
VdecodePeriod 1 and second round can each be equal to decoded signal VdecodeTwice of period 3.Therefore, at one
In example, decoded signal VdecodePeriod 1 and second round be decoded as " 1 ", the period 3 to period 5 is decoded
For " 0 ".Such coding/decoding method is exemplary, to those skilled in the art it should be obvious that obtaining
To after the fully understanding of the disclosure, various decoding techniques can be applied.
Fig. 2 shows the example for performing and decoded magnetic card reading being carried out from magnetized magnetic stripe.Magnetic head 210 is from by channel radio
The magnetic field that letter antenna and magnetized magnetic stripe produce produces the voltage V at 211 both ends of receiving coilhead.The magnetic of magnetic card reading
First 210 are magnetically coupled to the transmit coil of radio antenna, to receive the data of such as card number data.
Fig. 3 is that the magnetic head 210 for showing magnetic card reading is magnetically coupled to the exemplary diagram of radio antenna 310.
Radio antenna 310 receives the drive signal from drive signal generator 320, to form magnetic field.Magnetic head 210
The magnetic field formed by transmit coil 311 is magnetically coupled to, to receive data.
In addition, radio antenna 20 includes multiple coil portions.Although Fig. 3 shows that radio antenna 20 includes three
The example of coil portion (coil 1, coil 2 and coil 3), but the quantity of coil portion that radio antenna 20 includes can change
Become.
Coil portion produces a plurality of magnetic field line respectively, and these magnetic field lines overlap each other, and is formed with being formed by multiple loops
Magnetic field.
Radio antenna 20 forms widespread magnetic field using coil portion, with even in the reception line of magnetic card reading 10
Also magnetic coupling performance is improved when the position of circle or angle are changed.
Fig. 4 is the exemplary perspective view of mobile device.
With reference to Fig. 4, mobile device includes lid 410, display 420, battery 430 and radio antenna 440.
Display 420 is arranged in the front surface or rear surface of mobile device, and for visualizing electric signal, with to
User provides viewdata.
Lid 410 is formed integrally as a part for the housing of mobile device, and is attached to housing or is dismantled from housing.Example
Such as, when display 420 is arranged on the front surface of housing, lid 410 covers the rear surface opposite with front surface.
In addition, lid 410 is formed by metal material, and including the RF radiation characteristics for increasing radio antenna 440
Multiple slits (the first slit 411, the second slit 412, the 3rd slit 413 and the 4th slit 414).First slit 411 is to
Each gap being formed in a part for lid 410 in four slits 414, and filled by nonmetallic materials.
When these slits 411-414 is formed, the magnetic field outwards formed by radio antenna 440 of mobile device
Intensity become stronger, further to increase and the coefficient of coup of receiving coil (for example, magnetic head etc.).
Battery 430 provides the electric power for being used for driving mobile device.In addition, using wireless charging scheme to battery 430 into
Row charging.
In one example, radio antenna 440 is received from the drive signal generator 320 on main substrate
The drive signal of (Fig. 3), to form magnetic field.In other words, the transmit coil radiation magnetic field impulse of radio antenna 440.In addition,
Transmit coil is magnetically coupled to the wireless signal receiver including receiving coil, wirelessly to send data.Here, the data can
To be magnetic stripe data.
As shown in figure 4, radio antenna 440 has the phase for being disposed adjacent to 411 to the 4th slit 414 of the first slit
To end, to improve the radiation characteristic of radio antenna 440.Radio antenna 440 has and the first slit 411 to the
The distance between four slits 414 corresponding length so that the opposite end of radio antenna 440 is adjacent to the first slit
411 to the 4th slits 414.In other words, radio antenna 440 is boundary with 411 to the 4th slit 414 of the first slit.
In addition, radio antenna 440 includes the multiple coil portions for having solenoid shape and being connected in series.Wireless communication
Antenna is arranged so that the winding axis of coil portion perpendicular to 411 to the 4th slit 414 of the first slit.
For example, when radio antenna 440 is arranged on first slit 411 on the top for being arranged at lid 410 with being arranged at lid
Between second slit 412 of 410 lower part and when the distance between the first slit 411 and the second slit 412 d are 110mm, wirelessly
The length L of communication antenna 440 can be changed from 100mm to 110mm.In other words, radio antenna 440 is arranged in lid 410
Between first slit 411 and the second slit 412 in portion.
Hereinafter, radio antenna 440 will be more fully described with reference to Fig. 5 A to Fig. 5 C.
Fig. 5 A are the exemplary front views of radio antenna 540.Fig. 5 B are the exemplary backsights of radio antenna 540
Figure.Fig. 5 C are the sectional views along the I-I ' lines interception of Fig. 5 A.
With reference to Fig. 5 A and Fig. 5 B, radio antenna 540 includes multiple coil portions and magnetic body 550.Magnetic body
550 are used as the magnetic core of radio antenna 540.Fig. 5 A and Fig. 5 B are shown including such as first coil portion 510, the second coil portion
520 and tertiary coil portion 530 three coil portions radio antenna 540, but the line that radio antenna 540 includes
The quantity in circle portion can change.
First coil portion 510, the second coil portion 520 and tertiary coil portion 530 between them do not form conduction
The region of pattern is separated from each other.
For example, 510 and second coil portion 520 of first coil portion includes the first separate part 515 between them, second
Coil portion 520 and tertiary coil portion 530 include the second separate part 525 between them.
As fig. 5 a and fig. 5b, first coil portion 510, the second coil portion 520 and tertiary coil portion 530 include multiple lead
Electrical pattern.Conductive pattern forms each circle in first coil portion 510, the second coil portion 520 and tertiary coil portion 530
A part.
For example, a conductive pattern in conductive pattern shown in Fig. 5 A is connected to the phase shown in Fig. 5 B by conductive via
To corresponding conductive pattern, first coil portion 510, the second coil portion 520 and the 3rd are completed as described by by above-mentioned connection
An each loop in coil portion 530.
First coil portion 510 is connected in series to the second coil portion 520 by the pattern P Jing Guo the first separate part 515, and second
Coil portion 520 is connected in series to tertiary coil portion 530 by the pattern P Jing Guo the second separate part 525.
When drive signal is applied to first coil portion 510, the second coil portion 520 and tertiary coil portion 530, First Line
Circle portion 510, the second coil portion 520 and tertiary coil portion 530 will produce a plurality of magnetic field line respectively.A part in a plurality of magnetic field line
Radiation is by the region between first coil portion 510, the second coil portion 520 and tertiary coil portion 530.Radio antenna 540
Magnetic field of the radiation by the opposite end of radio antenna 540, the first separate part 515 and the second separate part 525 is produced, with
Produce the magnetic field formed by multiple ring.
First coil portion 510, the second coil portion 520 and tertiary coil portion 530 can have the conductive pattern of varying number, the
The arrangement of one separate part 515 and the second separate part 525 can correspondingly change.For example, when the position deviation nothing of the first separate part 515
During the first coil portion 510 of line communication antenna 540, the quantity for the conductive pattern that the second coil portion 520 includes is more than First Line
The quantity for the conductive pattern that circle portion 510 includes.
In addition, when the second coil portion 520 of the position deviation radio antenna 540 of the first separate part 515, the second line
The width or arrangement spacing for the conductive pattern that circle portion 520 includes are smaller than the conductive pattern that first coil portion 510 includes
Width or arrangement spacing.
Hereinafter, the structure of first coil portion 510 will be more fully described with reference to Fig. 5 C.Due to the second coil portion 520
There is the structure identical with first coil portion 510 with tertiary coil portion 530, therefore be omitted from its repetitive description.
With reference to Fig. 5 C, each include the first cloth in first coil portion 510, the second coil portion 520 and tertiary coil portion 530
Line portion 501, the second wiring portion 502 and multiple conductive vias 503.In addition, first coil portion 510, the second coil portion 520 and the 3rd
Each include first substrate 504, second substrate 505 and magnetic body 550 in coil portion 530.
First wiring portion 501 and 502 each free conductive pattern of the second wiring portion are formed.In addition, the first wiring portion 501 is formed
On first substrate 504, the second wiring portion 502 is formed on second substrate 505, and magnetic body 550 is arranged on first substrate 504
Between second substrate 505.In addition, conductive via 503 makes 501 He of the first wiring portion in the region of magnetic body 550
The conductive pattern of second wiring portion 502 is connected to each other.
For example, in radio antenna 540, the first wiring portion 501 and the second wiring portion 502 are around the magnetic as core
Property main body 550 is set, and is connected to each other by conductive via 503, to limit the coil of solenoid shape.
For example, can be such as flexible printed circuit board for the first substrate 504 and second substrate 505 of film substrate
(FPCB) flexible board.However, 505 not limited to this of first substrate 504 and second substrate.
Magnetic body 550 is formed by heap stacked plate magnetosphere.Magnetosphere is formed by magnetically soft alloy, and can be tool
There is the thin plate of the metal tape of non crystalline structure or nanocrystalline structure.Alternatively, magnetic body 550 can be by as high-permeability material
Permalloy formed.
Magnetic body 550 is the core of first coil portion 510, the second coil portion 520 and tertiary coil portion 530, prevents whirlpool
Electric current, and strengthen the magnetic field produced by first coil portion 510, the second coil portion 520 and tertiary coil portion 530.
First substrate 504 and/or second substrate 505 are attached to magnetic body 550 by bonding sheet 506.Bonding sheet 506 can
Formed by adhesive tape, and can also be by the way that adhesive or the resin with bond property are applied to first substrate 504 or the second
The surface of substrate 505 or magnetic body 550 and formed.
Since first coil portion 510, the second coil portion 520 and tertiary coil portion 530 are without using the line style in such as this area
Coil, but the coil pattern being formed on film substrate is used, therefore significantly reduce the thickness of film coil.
Conductive via 503 will be connected around the first wiring portion 501 of magnetic body 550 with the second wiring portion 502, to be formed
Coil with solenoid shape.
As shown in Figure 5 C, the conductive pattern on first substrate 504 and the conductive pattern on second substrate 505 lead to
Cross two conductive vias 503 to be connected to each other, to prevent the separated of conductive pattern.
In addition, radio antenna 540 includes resin bed 507, resin bed 507 is by with insulating property (properties) and bond property
Thermosetting resin is formed.
Resin bed 507 is arranged between first substrate 504 and second substrate 505 and on the outside of magnetic body 550.
The sky between first substrate 504 and second substrate 505 being arranged at due to resin bed 507 around magnetic body 550
Between in, the defects of disconnection that resin bed 507 prevents from during technique may occurring, bubble introduce etc..In addition, conductive via
503 are formed as by resin bed 507.
In addition, although Fig. 5 C are not shown, but radio antenna 540 may include coating.Coating is arranged on first
In 501 and second wiring portion 502 of wiring portion, to protect the first wiring portion 501 and second in the most external of radio antenna 540
Wiring portion 502.
Fig. 6 is the exemplary diagram for the radiation characteristic for showing radio antenna.Fig. 7 is to show another radio antenna
Radiation characteristic exemplary diagram.Fig. 8 is the exemplary diagram for the radiation characteristic for showing another radio antenna.
As the simulation result of radio antenna, show what is produced by radio antenna on the left of Fig. 6 to Fig. 8
Magnetic field, the form for listing identification region measurement is shown on the right side of Fig. 6 to Fig. 8.
As shown in fig. 6, the radio antenna without separation region, which produces, compares VTHLow voltage Vhead, VTHFor voltage
VheadThe threshold voltage that (Fig. 2) can detect in specified distance, therefore, occurs in form as can not detect indicated by "×"
Region (for example, dead zone).Such dead zone makes it difficult to radio antenna being magnetically coupled to radio receiver, and makes nothing
Reliability in line communication reduces.With reference to the form of Fig. 6, based on 153 measurement points, the wireless communication day without separation region
Line shows about 50.33% discrimination.
With reference to Fig. 7, two coil portions for including being separated from each other according to exemplary radio antenna.
As shown in figure 8, three coil portions for including being separated from each other according to exemplary radio antenna.Due to three coils
Portion is serially connected, therefore has identical directionality by the magnetic field that three coil portions produce.
Fig. 7 is the exemplary diagram for the radiation characteristic for showing another radio antenna.Two coil portions are one another in series company
Connect, therefore there is identical directionality by the magnetic field that two coil portions produce.
Correspondingly, from the magnetic field of the separation region radiation between two coil portions and the opposite end from radio antenna
The magnetic field of portion's radiation overlaps each other.Overlapping reduce in these magnetic fields can not detection zone (that is, dead zone).The form of reference Fig. 7,
Based on 153 measurement points, the radio antenna with two coil portions shows about 53.59% discrimination.
Fig. 8 is the exemplary diagram for the radiation characteristic for showing another radio antenna.As shown in figure 8, according to exemplary
Radio antenna includes three coil portions being separated from each other.Since three coil portions are serially connected, pass through three
The magnetic field that coil portion produces has identical directionality.
Correspondingly, overlap each other from the magnetic field of the separation region radiation among three coil portions.For example, when three coil portions
During including first coil portion located adjacent one another, the second coil portion and tertiary coil portion, from first coil portion and the second coil portion it
Between the magnetic field of area radiation can be overlapping with the magnetic field of the area radiation between the second coil portion and tertiary coil portion.In addition,
The magnetic field weight of the end radiation opposite with what it is from radio antenna from the magnetic field of the separation region radiation among three coil portions
It is folded, to be further augmented.
With reference to the form of Fig. 8, overlapping significantly reduce in these magnetic fields can not detection zone (that is, dead zone).Namely
Say, based on 153 measurement points, the radio antenna with three coil portions shows about 60.13% discrimination.
Three coil portions for including being serially connected according to exemplary radio antenna, so as to strengthen magnetic flux and prevent
Only occurring can not detection zone.As a result, it can extend through the detectable scope in the magnetic field of radio antenna generation.
As explained above, the mobile device according to embodiment, radio antenna and including the radio antenna can
Including minimizing the solenoid coil with slimming, and there can be improved radiation characteristic.
Although the disclosure includes specific example, will become apparent to after it understanding of present disclosure
It is that, in the case where not departing from the spirit and scope of claim and their equivalent, form can be made in these examples
Various change in upper and details.Example described herein will be considered only as descriptive sense, rather than the mesh for limitation
's.The description of feature or aspect in each example will be considered as the similar characteristics or side that are applicable in other examples
Face.If being executed in different order the technology of description, and/or if the system of description, framework, dress are combined in a different manner
Put the component in either circuit and/or be replaced with other assemblies or their equivalent or the system of additional notes,
Component in framework, device or circuit, then can obtain appropriate result.Therefore, the scope of the present disclosure is not by specific embodiment party
Formula limits, but is limited by claim and their equivalent, and in the range of claim and their equivalent
All changes be to be interpreted as being contained in the disclosure.
Claims (21)
1. a kind of radio antenna, it is characterised in that the radio antenna includes：
Magnetic body；
Coil portion, has solenoid shape and is separated from each other the magnetic body as core, the coil portion, and that
This is connected in series, wherein, the magnetic field radiated by the coil portion overlaps each other, each coil portion bag in the coil portion
Include：
First wiring portion, is arranged on the first surface of the magnetic body；
Second wiring portion, is arranged on the second surface of the magnetic body；And
Conductive via, makes first wiring portion be interconnected with second wiring portion.
2. radio antenna according to claim 1, it is characterised in that the coil portion radiation is by described magnetic main
The magnetic field in the region between the coil portion of body.
3. radio antenna according to claim 1, it is characterised in that the magnetic body is magnetic by heap stacked plate
Layer and formed, and the magnetosphere is formed by magnetically soft alloy material.
4. radio antenna according to claim 1, it is characterised in that first wiring portion and second wiring
Portion includes the conductive pattern being arranged on film substrate respectively.
5. radio antenna according to claim 1, it is characterised in that the conductive via is formed as by being arranged on
Resin bed on the outside of the magnetic body.
6. radio antenna according to claim 1, it is characterised in that the coil portion includes three coil portions, from
The magnetic field of two area radiations between three coil portions overlaps each other.
7. radio antenna according to claim 1, it is characterised in that the solenoid shape is around described magnetic main
Body is formed.
8. a kind of mobile device, it is characterised in that the mobile device includes：
Radio antenna, including the coil portion being separated from each other, the coil portion is in solenoid shape and with being used as core
Magnetic body；And
Lid, has at least one slit, and covers the radio antenna,
Wherein, the radio antenna is arranged so that the part in the magnetic field produced by the radio antenna passes through
At least one slit.
9. mobile device according to claim 8, it is characterised in that the radio antenna allows in the coil portion
Each coil portion radiate the magnetic field in the region between the coil portion Jing Guo the magnetic body.
10. mobile device according to claim 8, it is characterised in that the magnetic body passes through heap stacked plate magnetosphere
Formed, and the magnetosphere is formed by magnetically soft alloy material.
11. mobile device according to claim 8, it is characterised in that each coil portion in the coil portion includes：
First wiring portion, is arranged on the first surface of the magnetic body；
Second wiring portion, is arranged on the second surface of the magnetic body；And
Conductive via, makes first wiring portion be interconnected with second wiring portion.
12. mobile device according to claim 11, it is characterised in that first wiring portion and second wiring portion
Each include the conductive pattern being arranged on film substrate.
13. mobile device according to claim 11, it is characterised in that the conductive via is formed as by being arranged on
State the resin bed on the outside of magnetic body.
14. mobile device according to claim 8, it is characterised in that the lid includes the first slit and the second slit, and
And the radio antenna is arranged on the inside of the lid, between first slit and second slit.
15. mobile device according to claim 8, it is characterised in that the lid is formed by metal material, and it is described extremely
A few slit is filled with nonmetallic materials.
16. mobile device according to claim 8, it is characterised in that the radio antenna radiation includes magnetic stripe number
According to magnetic field impulse.
17. mobile device according to claim 8, it is characterised in that the radio antenna is arranged so that described
The winding axis of coil portion is perpendicular at least one slit.
18. a kind of mobile device, it is characterised in that the mobile device includes：
Antenna, forms around magnetic body, and the antenna has the coil portion that is separated from each other and is connected to each other, in the coil portion
Each coil portion be formed in ilm substrate；And
Metal cover, is arranged on above the antenna, and the metal cover has slit,
Wherein, each coil portion radiation field in the coil portion of the antenna, and each line in the coil portion
The magnetic field in circle portion is overlapping, to radiate magnetic field impulse.
19. mobile device according to claim 18, it is characterised in that the magnetic field radiation passes through the slit.
20. mobile device according to claim 19, it is characterised in that each coil portion in the coil portion is by leading
Electric via connection.
21. mobile device according to claim 20, it is characterised in that the conductive via is formed as by being arranged on
State the resin bed on the outside of magnetic body.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20160120665 | 2016-09-21 | ||
| KR10-2016-0120665 | 2016-09-21 | ||
| KR10-2016-0163072 | 2016-12-01 | ||
| KR1020160163072A KR20180032149A (en) | 2016-09-21 | 2016-12-01 | Wireless communication antenna and mobile device including the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207320303U true CN207320303U (en) | 2018-05-04 |
Family
ID=61907059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721182437.7U Active CN207320303U (en) | 2016-09-21 | 2017-09-14 | Radio antenna and the mobile device including the radio antenna |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20180032149A (en) |
| CN (1) | CN207320303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107863600A (en) * | 2016-09-21 | 2018-03-30 | 三星电机株式会社 | Radio antenna and the mobile device including the radio antenna |
-
2016
- 2016-12-01 KR KR1020160163072A patent/KR20180032149A/en not_active Withdrawn
-
2017
- 2017-09-14 CN CN201721182437.7U patent/CN207320303U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107863600A (en) * | 2016-09-21 | 2018-03-30 | 三星电机株式会社 | Radio antenna and the mobile device including the radio antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20180032149A (en) | 2018-03-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191015 Address after: Han Guo Jingjidao Patentee after: Company WITS Address before: Gyeonggi Do Korea Suwon Patentee before: Samsung Electro-Mechanics Co., Ltd. |