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EP1976054A1 - Structure d'antenne planaire modularisée - Google Patents

Structure d'antenne planaire modularisée Download PDF

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Publication number
EP1976054A1
EP1976054A1 EP07006176A EP07006176A EP1976054A1 EP 1976054 A1 EP1976054 A1 EP 1976054A1 EP 07006176 A EP07006176 A EP 07006176A EP 07006176 A EP07006176 A EP 07006176A EP 1976054 A1 EP1976054 A1 EP 1976054A1
Authority
EP
European Patent Office
Prior art keywords
circuit board
antenna structure
planar antenna
modularized planar
modularized
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP07006176A
Other languages
German (de)
English (en)
Inventor
Tsai-Yi Yang
Te-Yi Chu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cirocomm Technology Corp
Original Assignee
Cirocomm Technology Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cirocomm Technology Corp filed Critical Cirocomm Technology Corp
Priority to EP07006176A priority Critical patent/EP1976054A1/fr
Publication of EP1976054A1 publication Critical patent/EP1976054A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • 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
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them

Definitions

  • the present invention relates to an antenna, especially to an antenna for receiving satellite signal.
  • GPS is the acronym of "Global Position System", which uses trigonometry positioning principle and measures distance by transmission time of wireless signal. At least three satellites are used to calculate the distances between them and target and positioning of target can be obtained by built-in map in the GPS receiver.
  • the current vehicle navigation system is developed to incorporate with vehicle video system and can be implemented in the form of PDA, Notebook computer and mobile phone.
  • vehicle video system can be implemented in the form of PDA, Notebook computer and mobile phone.
  • portable Global Position System portable GPS
  • the portable GPS can be easily installed in car without equipping with GPS system and can be used in another car or off the car.
  • the electronic devices When the GPS unit is integrated with electronic devices such as PDA, Notebook computer and mobile phone, the electronic devices generally include a built-in antenna.
  • an antenna unit 1A is arranged horizontally on a circuit board 2A and then the circuit board 2A is embedded into fixing groove 31 A of chassis 3A.
  • the antenna unit 1A is electrically connected to a main board 5A through a wire 4A. Therefore, the satellite signal processed by the circuit board 2A is sent to the main board 5A for displaying the processed data on the electronic devices.
  • the electronic devices s integrated with GPS unit shown in Fig. 1 has time consuming assemble and high manufacture cost.
  • the modular design can reduce cost and assembling effort.
  • the present invention provides a modularized planar antenna structure, comprising:
  • the modularized planar antenna of the present invention comprises an antenna unit 1, a connection unit 2, a circuit board 3 and a cover 4.
  • the connection unit 2 connects the antenna unit 1 and the circuit board 3 such that the antenna unit 1 is vertical to the circuit board 3.
  • the antenna unit 1 is a square planar antenna and comprises a ceramic base 11 with a radiation metal plate 12 on top surface thereof and a ground metal plate 13 on bottom thereof.
  • a through hole 14 is defined on the ceramic base 11, the radiation metal plate 12 and the ground metal plate 13, and a T-shaped signal feeder 15 passes through the through hole 14.
  • the T-shaped signal feeder 15 comprises a hemisphere first end 151 for electrically connecting to the radiation metal plate 12.
  • a second end 152 of the T-shaped signal feeder 15 passes the ground metal plate 13.
  • the second end 152 of the T-shaped signal feeder 15 is not electrically connected to the ground metal plate 13, but electrically connected to the circuit board 3 such that the received signal of the antenna unit 1 can be directly sent to the circuit board 3.
  • the base 11 comprises four lateral faces 16 on lateral sides thereof.
  • a coupling face 17 with smaller area than that of the lateral face 16 is provided between two adjacent lateral faces 16 for the assembling of the connection unit 2.
  • connection unit 2 is assembled on the bottom of the antenna unit 1 and comprises a bottom plate 21 on bottom thereof and having the shape same as the top face or bottom face of the antenna unit 1.
  • a pass hole 22 is defined on the bottom plate 21. Through the pass hole 22, the second end 152 of the T-shaped signal feeder 15 is passed and soldered to the circuit board 3.
  • a plurality of clamping plates 23 extends upward from four corners of the bottom plate 21. The clamping plates 23 clamp to the coupling face 17 of the antenna unit 1.
  • Two symmetric L-shaped connection plates 24 are downward extended from two sides of the bottom plate 21.
  • a bump 25 is provided on one side of the connection plate 24 and is electrically connected to the circuit board 3.
  • the circuit board 3 carries a conventional circuitry.
  • the conventional circuitry comprises a filter 31 and an amplifier 32.
  • the filter 31 is used to filter the noise in signal and the filtered signal is sent to the main circuit board of the electronic device after the amplification of the amplifier 32.
  • a receiver module 35 (such as circuit in the GPS unit) is manufactured on the same circuit board 3 with the filter 31 and the amplifier 32.
  • the filter 31 is used to filter the noise in signal and the filtered signal is sent to the receiver module 35 after the amplification of the amplifier 32.
  • the amplified signal is processed in the receiver module 35 and then sent to the main circuit board of the electronic device. Therefore, the portable electronic device can display image and information related to the GPS unit.
  • An assembling hole 33 is defined on one side of the circuit board 3 and connected to the bump 25.
  • the circuit board 3 comprises two symmetric dents 34 on other two sides thereof and used for assembling with a protective cover 4.
  • the cover 4 is a U-shaped cover and made of metal material.
  • the cover 4 comprises a top plate 41 and two side plates 42.
  • Each of the side plates 42 is provided with a flange 43.
  • the flange 43 is fixed to the dent 34 to protect the circuit board from electromagnetic interference or strike of external article.
  • connection unit 2 when the connection unit 2 is fixed to bottom of the antenna unit 1, the clamping plate 23 clamps to the coupling face 17 of the antenna unit 1.
  • the second end 152 of the signal feeder 15 is soldered to and electrically connected to the circuit board after passing the pass hole 22.
  • the bump 25 of the connection plate 24 is coupled with the coupling hole 33 of the circuit board 3 and then the flange 43 is assembled to the dent 34 of the circuit board 3.
  • the antenna unit 1 and the circuit board 3 is connected through the connection unit 2, the antenna unit 1 is vertical to the circuit board 3 and the radiation metal plate 12 faces upward for signal reception.
  • the circuit board 3 is soldered and fixed to the main circuit board 5 and the antenna unit 1 is received in the depression 51 of the main circuit board 5 of the electronic device. In this way, the circuit board 3 of antenna module no longer needs to fix to the casing of the electronic device.
  • the circuit board 3 of antenna module is electrically connected to the main circuit board 5 of the electronic device to reduce contact number and prevent signal attenuation.
  • connection unit 6 comprises an elongated panel 61 and a bent L-shaped locker 62 locked to the surface of the antenna unit 1.
  • the panel 61 comprises two clamping tabs 63 on two opposite sides of another end thereof. The clamping tabs 63 clamp to the circuit board 3.
  • the antenna unit 1 is vertical to the circuit board 3 after the antenna unit 1 and the circuit board 3 are connected through the connection unit 6.
  • Fig. 8 shows a sectional view of the antenna structure according to still another preferred embodiment of the present invention.
  • the antenna structure can be fixed to the main circuit board 5 of the electronic device by either set screws 7 or supporting rack.
  • the antenna structure is electrically connected to the main circuit board 5 of the electronic device through connection wire 8 and connector 81.
  • the antenna structure is still vertical to the main circuit board 5, or the antenna structure and the main circuit board 5 form a T-shaped module. Therefore, the antenna structure will occupy less area on the main circuit board 5.
  • the antenna structure is still oriented upward when the electronic device is used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
EP07006176A 2007-03-26 2007-03-26 Structure d'antenne planaire modularisée Withdrawn EP1976054A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07006176A EP1976054A1 (fr) 2007-03-26 2007-03-26 Structure d'antenne planaire modularisée

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07006176A EP1976054A1 (fr) 2007-03-26 2007-03-26 Structure d'antenne planaire modularisée

Publications (1)

Publication Number Publication Date
EP1976054A1 true EP1976054A1 (fr) 2008-10-01

Family

ID=38370905

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07006176A Withdrawn EP1976054A1 (fr) 2007-03-26 2007-03-26 Structure d'antenne planaire modularisée

Country Status (1)

Country Link
EP (1) EP1976054A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109755756A (zh) * 2017-11-02 2019-05-14 启碁科技股份有限公司 无线通信装置及其天线

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0469779A2 (fr) * 1990-07-30 1992-02-05 Sony Corporation Dispositif d'adaptation pour une antenne à microbande
EP1079463A2 (fr) * 1999-08-24 2001-02-28 Rangestar International Corporation Antenne dipôle asymétrique
EP1189304A2 (fr) * 2000-09-19 2002-03-20 Sony Corporation Dispositif d'antenne et module de carte de communication radio avec une telle antenne
EP1445827A1 (fr) * 2003-02-05 2004-08-11 Fujitsu Limited Alimentation microruban pour antenne patch
US20050007281A1 (en) * 2003-07-11 2005-01-13 Citizen Electronics Co., Ltd. Surface-mounted antenna apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0469779A2 (fr) * 1990-07-30 1992-02-05 Sony Corporation Dispositif d'adaptation pour une antenne à microbande
EP1079463A2 (fr) * 1999-08-24 2001-02-28 Rangestar International Corporation Antenne dipôle asymétrique
EP1189304A2 (fr) * 2000-09-19 2002-03-20 Sony Corporation Dispositif d'antenne et module de carte de communication radio avec une telle antenne
EP1445827A1 (fr) * 2003-02-05 2004-08-11 Fujitsu Limited Alimentation microruban pour antenne patch
US20050007281A1 (en) * 2003-07-11 2005-01-13 Citizen Electronics Co., Ltd. Surface-mounted antenna apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109755756A (zh) * 2017-11-02 2019-05-14 启碁科技股份有限公司 无线通信装置及其天线

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