KR200209883Y1 - A driving device of ring signal for car hand-free - Google Patents

Abstract

The present invention relates to a hand-free device which allows a driver operating a mobile communication mobile phone to visually recognize that a call has been received and to make a safe call. In particular, all kinds of manufacturers using different appearance and control programs for different manufacturers are used. The present invention relates to a hand-free incoming signal driving device which can be commonly applied to a mobile phone. The hand-free device of a mobile phone, comprising: a pulsation detector for detecting and outputting a pulsation voltage by checking a fluctuation of power applied from an external connection; An amplifying unit which amplifies and outputs the input signal to a predetermined level, and analyzes the input signal to determine whether a ring signal has been received by the cellular phone. Control unit for monitoring and controlling, and a predetermined level by receiving the control signal The driver includes an amplifying and outputting unit and a display unit which emits an LED or neon lamp according to the input signal, so that the incoming ring signal is checked even in a mobile phone that does not output various appearances and ring rings. By using light, visual recognition, and the driver using the auto-receive function can safely call, there is a social use effect to prevent traffic accidents.

Description

Hand-free incoming signal driving device for vehicle {A DRIVING DEVICE OF RING SIGNAL FOR CAR HAND-FREE}

The present invention relates to a hand free device that allows a driver operating a mobile communication mobile phone to visually recognize that a call has been received and to make a safe call. In particular, a manufacturer using a different appearance and control program may be used. The present invention relates to a hand-free incoming signal driving device that can be commonly applied to all kinds of mobile phones.

The mobile communication system is a communication means that is rapidly becoming common due to the convenience of use that can immediately perform the necessary communication while moving anywhere anytime and the convenience of use that the communication terminal is compact and portable.

However, even in the above-mentioned convenient mobile communication system, when making a call while driving a vehicle, it is necessary to hold the mobile terminal with one hand and drive the vehicle. Therefore, if a sudden accident occurs in operation, appropriate measures can be promptly taken. There is no problem leading to an accident.

Therefore, while the driver of a vehicle in operation is still pushing for institutional or legal sanctions that prohibit the use of a mobile phone, in order to prevent accidents caused by a call while driving, the driver can make a call without using any hand necessary for driving. Use a hand free device.

In general, such a handfree device for a vehicle is designed to be suitable for a mobile phone of a specific manufacturer, and a mobile phone of another manufacturer having a different design or operation program has to use a handfree device for a vehicle that is separately designed. There was.

Hereinafter, a vehicular hand-free device for a cellular phone according to the prior art will be described with reference to the accompanying drawings.

Attached to explain the prior art, Fig. 1 is a hand free functional block diagram of a cellular phone according to the prior art.

Referring to the accompanying drawings, the hand-free function of the mobile phone according to the prior art, the high-frequency unit 20 for transmitting and receiving signals of the mobile phone 10 as a radio frequency (RF) signal,

An intermediate frequency unit 30 for converting a signal output from the high frequency unit 20 into an intermediate frequency (IF) signal,

A base band unit 40 for converting a signal output from the intermediate frequency unit 30 into a base band signal,

The signal output from the baseband section 40 is divided into a case where the signal is connected to a vehicle handfree and a case using only a mobile phone according to a control signal set by a user, and is output as a single path. A controller 50 for monitoring and controlling the unit;

A voice processing unit which receives a signal output from the control unit 50, processes it as a voice signal, outputs it to the speaker 62, and simultaneously processes a user's voice signal input through the microphone 64 and outputs it to the control unit 50 ( 60),

An external connection unit 70 receiving a signal output from the control unit 50, matching the output to an external device, and matching the signal input from the external device to the control unit 50;

A vehicle handfree connected to an external connection unit 70 and amplifying and outputting an audio signal input by a control signal applied from the control unit 50, and outputting a user's voice signal to the external connection unit 70. It consists of 80.

Hereinafter, the hands-free function of the mobile phone 10 according to the related art having the above configuration will be described in detail with reference to the accompanying drawings.

The high frequency unit 20 of the mobile phone 10 receives a signal transmitted wirelessly, separates and detects the frequency band signal of the mobile phone 10, and applies the intermediate frequency unit 30 to the intermediate frequency IF. Down-converts to < RTI ID = 0.0 >

The baseband unit 40 converts the input intermediate frequency signal into a baseband signal that can be analyzed and processed by the controller 50, and outputs the signal to the controller 50. It is analyzed whether the input signal is a signal for calling the mobile phone 10.

When the input signal is analyzed as a calling signal, the call mode that the user has already set in the mobile phone is analyzed to determine whether the mobile phone call mode or the hands-free call mode.

When the user is set to the mobile phone call mode, the control unit 50 interconnects the transmission paths of the baseband unit 40 and the voice processing unit 60, and when the user sets to the hands-free call mode, the baseband unit 40 And the transmission path of the external connection 70.

In more detail, the hand-free device according to the related art has a shape of a connector connected to the external connection portion 70 of the cellular phone 10 different for each manufacturer, and for each model even for the same manufacturer. There is a difference, and even if the same connector is used, there is a difference in the call mode setting control signal output from the controller 50. Therefore, among the hand-free devices manufactured by the same company, the corresponding one should be used, that is, the compatibility is There was no problem.

In addition, the hand-free device is used in a vehicle, and a ringing signal indicating that the call is called is buried in a noisy environment on a driving road and a horn sound of the vehicle, thereby preventing the driving driver from recognizing it.

In addition, even if it is recognized that the call was received by the call, there is a problem that the driver of the vehicle in operation must press the corresponding button for the call.

According to the present invention, the call mode control signal of each manufacturer can be commonly used in different mobile phones, and the incoming call signal is displayed as a light signal together with a ring sound signal, so that the user can easily recognize that the call has been called. At the same time, it is an object of the present invention to provide a vehicle hand-free incoming signal driving device and a display method of a cellular phone which automatically switch to a communication mode after a certain time delay by selection.

The present invention devised to achieve the above object is a hand-free device connected to an external connection of a mobile phone, the pulsation detection unit for detecting and outputting the pulsation voltage by checking the fluctuation state of the power applied from the external connection And an amplifying unit for amplifying and outputting a signal input from the pulsation detecting unit to a predetermined level, and analyzing and processing a signal input from the amplifying unit to determine whether a ring signal is received in the cellular phone. A control unit for outputting the control signal and monitoring and controlling each function unit, a driving unit for receiving the control signal from the control unit and amplifying the control signal to a predetermined level, and outputting the LED or neon lamp by the signal received from the driving unit. And a display unit for emitting light.

In addition, the present invention, in the control unit of the hand-free device for a mobile phone vehicle, it is determined whether the pulsation signal is included in the input signal, and if the pulsation signal is not detected, the first process to return to the start process, and the When the pulsation signal is detected in step 1, it is determined whether the pulse signal is maintained for a first set time, and when the pulse signal does not last for the first set time, a second step of returning to a start step and a first set time in the second step are performed. If a pulsation signal is detected during the second process, the third process of confirming and recording that the ring signal has been received in the mobile phone, and determining whether the ring signal confirmed in the third process lasts for the second set time, and during the second set time, If not, the fourth process of returning to the start process, and if the ring signal lasts for a second set time in the fourth process, the control to drive the display unit A fifth process of outputting a signal, a sixth process of determining whether a ring signal is not input for a third set time, and if the input is continuously input, returns to a fifth process so that the display unit continues to be driven, and the sixth process When the ring signal is not input for the third set time in the process, the seventh process of releasing the recording of the ring signal and simultaneously stopping the driving of the display unit and proceeding to the end step.

1 is a block-free functional block diagram of a mobile phone according to the prior art;

2 is a functional block diagram of an incoming signal driving device for a hand-free device for a vehicle according to the present invention;

3 is a flowchart illustrating an incoming signal display method of a hand-free device for a vehicle according to the present invention;

4 is an external configuration diagram of a handfree device for a vehicle according to the present invention.

** Explanation of symbols on the main parts of the drawing **

10: mobile phone 20: high frequency unit 30: intermediate frequency unit

40: baseband part 50: control part 60: voice processing part

70: external connection 80, 90: hand free 95: magnet

100: pulsation detection unit 110: amplification unit 120: control unit

130: driving unit 140: display unit 142: automatic receiving switch

144: power LED 145: lamp 147: lamp switch

149: Charge LED

Hereinafter, an incoming signal driving device and an incoming signal displaying method of a hand-free device that a driver who drives a vehicle may safely use a mobile phone by using the present invention.

2 is a functional block diagram of an incoming signal driving device of a handfree device for a vehicle according to the present invention, and FIG. 3 is a method for displaying an incoming signal of a handfree device for a vehicle according to the present invention. 4 is an external configuration diagram of a vehicle hand-free device according to an embodiment of the present invention.

Referring to the accompanying drawings, the incoming signal driving device of the vehicle hand-free device according to the present invention, the hand-free device 90 is connected to the external connection portion 70 of the mobile phone 10, the external connection portion A pulsation detector 100 for detecting and outputting a pulsation voltage by checking the voltage fluctuation state of the power supply of the cellular phone 10 applied from the 70;

An amplifying unit 110 for amplifying and outputting a ripple signal detected and input from the pulsation detecting unit 100 to a predetermined level;

Analyze and process the pulsating signal input from the amplifying unit 110 to determine whether a ringing signal is occurring in the mobile phone 10, and outputs a corresponding control signal when the ringing signal is received. And, the control unit 120 for monitoring and controlling each function unit and the switch and at the same time the automatic receiving switch 142 is On (On), the ring signal is received and automatically switches to the communication mode when a certain time elapses,

A driving unit 130 which receives the control signal from the control unit 120 and amplifies and outputs the control signal appropriately at a predetermined level;

According to the drive signal received from the drive unit 130, a neon lamp 145 emitting fluorescent light or a plurality of LEDs arranged in series along the outer edge of the hand-free device 90. The display unit 140 is included.

In addition, the incoming signal display method of the vehicle hand-free device according to another configuration of the present invention, the control unit 120 for monitoring and controlling the entire vehicle hand-free device 90 for the mobile phone 10,

A first step (S10) of determining whether a pulsation voltage signal is included in the signal input to the control unit 120, and if the pulsation voltage signal is not detected, feeding back to the initial start process (S10);

When the pulsation voltage signal is detected in the first process S10, it is determined whether the pulse wave voltage signal lasts for a predetermined first set time, for example, for 1.2 seconds, and when the pulsation voltage signal does not last for the first set time. Is a second process (S20) for feeding back to the first starting step of the first process,

In the second step (S20), when the pulsating voltage signal is detected for a predetermined first set time set to 1.2 seconds, the mobile phone 10 confirms that the ring signal is received, and writes to the corresponding memory 3 course (S30),

When it is determined whether the ring signal confirmed in the third process S30 is generated continuously for a predetermined second setting time, for example, for 0.6 seconds, and does not last for the second setting time. A fourth step (S40) of de-recording the ring signal reception recorded in the memory and feeding back to the first step (S10) which is a starting process;

A fifth signal outputting a corresponding control signal for driving the display unit 140 formed of the LED or the neon lamp 145 when the ring signal continues for the second set time in step S40. Process (S50),

It is determined whether the ring signal generated from the cellular phone 10 is not input for a predetermined third set time, for example, 0.5 seconds, and if it is continuously input, the process proceeds to the fifth step S50. A sixth process S60 of feeding back the display unit 140 to continue driving;

In the sixth step S60, when the ring signal is not input for a predetermined third set time set to 0.5 second, the controller 120 releases the ring signal incoming recording recorded in the corresponding memory, and at the same time, The display unit 140 includes a seventh process S70 in which the output of the control signal is blocked so that the display unit 140 is no longer driven and then proceeds to the end step.

Hereinafter, according to the present invention of the above configuration, in the vehicle running the mobile phone 10, the incoming signal driving device and the incoming signal display method of the hand-free device to enable the driver to make a safe call while driving It will be described in detail with reference to the accompanying drawings.

The ring signal notifying the user that the cellular phone 10 has been called by the caller is not separately output to the outside of the cellular phone 10, and the control signal for controlling the hand-free device 90 is slightly different for each manufacturer. .

In the present invention, the battery power supplied to the mobile phone 10 via the external connection portion 70 of the mobile phone 10 receives a pulsating voltage signal by the incoming ring signal that consumes a lot of current. It detects the occurrence, and at the same time as the ring ring sound, by driving a fluorescent neon lamp (Neon lamp) or LEDs of various colors, the user is notified that the call signal has been received.

2 to 4, the present invention will be described in detail. In this case, the user may use the lamp switch 147 attached to the outside of the hand-free device 90 by the display unit 140 formed of the lamp 145. By instructing the control unit 120 to operate on, when the called ring signal is received, the lamp 145 may generate light.

The pulsation detection unit 100 of the hand-free device 90 connected to the external connection unit 70 of the mobile phone 10 always maintains the level of battery voltage applied to the mobile phone 10 as a power source. Watch.

When a ring signal called to the mobile phone 10 is received, a ring signal is generated and a large amount of current is consumed, so that a voltage of a power source consisting of a battery generates a ripple voltage signal. do.

The pulsation detection unit 100 detects a level change of the ripple voltage signal, and after the level change is amplified to a predetermined size by the amplifier 110, is applied to the control unit 120.

The controller 120 analyzes the input signal to determine whether a pulsation voltage signal is detected (S10), and when the pulsation voltage signal is detected, the pulsation voltage for a predetermined first predetermined time, that is, for example, for 1.2 seconds. It is determined whether a signal is detected (S20).

If the pulsating voltage signal is detected and confirmed for 1.2 seconds in the second step (S20), the control unit 120 records that the ring signal is received in the corresponding memory (S30), and again, a predetermined second set time, one day For example, for 0.6 seconds, it is determined whether the ring signal continues (S40).

As a result of the determination in the fourth step (S40), if the ring signal is continued for 0.6 seconds, the controller 120 outputs a control signal to the driver 130, and the driver 130 amplifies to an appropriate level. The display unit 140 is output as a drive signal to the display unit 140 including a plurality of LEDs or neon lamps 145 (S50).

Therefore, the lamp 145 attached to the outer edge of the hand-free device 90 emits light at the same time as the ring signal, which is a sound signal, so that the user of the hand-free device according to the present invention visually It will be called.

At this time, when the automatic reception switch 142 attached to the outside of the hand-free device is turned on by the user's selection, the controller 120 receives a ring signal and then, if a predetermined time elapses, In order to automatically make a call using the hands-free device 90, the user switches to a communication mode, so that the driver who drives the vehicle safely talks or communicates without using a hand required for driving.

The power LED 144 indicates that operating power is being applied to the hand-free device 90, and the charge LED 149 repeats charging and discharging of the mobile phone 10 in a standby mode instead of a communication mode. A battery (Battery) capable of charging is displayed, and the magnet unit 95 functions to fix the cellular phone 10 of various shapes to the hand-free device 90.

When the mobile phone 10 of various shapes is not attached to the magnet portion 95, the mobile phone can be fixed by a fixing clip, which is not shown in detail in FIG.

When the user sets the auto receiving switch 142 to an off state, the controller 120 determines whether a ring signal does not occur for a predetermined third set time period, for example, 0.5 seconds. If it is determined that the ring signal is continuously generated, the display unit 140 continues to operate by feeding back to the fifth step S50, and the ring signal is not applied for the above 0.5 seconds. After deleting the record that the ring signal has been received, stored in the memory, the drive signal of the display unit 140 is blocked, so that the lamp 145 does not emit light and proceeds to the end step (S70). Thus, the hands-free device 90 switches to the standby mode, and the charging LED 149 turns on to start charging the battery of the cellular phone 10.

Therefore, the technique of the present invention can visually recognize the user by using the lamp 145 that the call ring signal has been received, even in all kinds of mobile phones that do not output the incoming ring signal. When the reception mode is set, the communication state is automatically established after a certain time has elapsed after the ring signal is received, thereby ensuring the safety of the driver in operation.

The present invention of the configuration as described above, the mobile phone having a variety of appearances, and does not output the incoming ring signal to detect the pulsating voltage to check the incoming ring signal, the ring signal is received using the light of the lamp, Even in a noisy environment, there is a visual recognition effect to the driver while driving.

In addition, the driver using the automatic reception function can safely call, there is a social use effect to prevent traffic accidents.

Claims (2)

In the hand-free device connected to the external connection of the mobile phone, A pulsation detector for detecting and outputting a pulsation voltage by checking a fluctuation state of the power applied from the external connection unit; An amplifier for amplifying and outputting a signal input from the pulsation detector to a predetermined level; A control unit for analyzing a signal input from the amplifying unit to determine whether a ring signal has been received by the cellular phone, and if the ring signal is received, outputting a corresponding control signal and monitoring and controlling each function unit; A driver which receives a control signal from the controller and amplifies the control signal to a predetermined level and then outputs the amplified signal to a predetermined level; And a display unit including a plurality of LEDs or neon lamps emitted by the signal received from the driver. According to claim 1, The display unit is made of a neon lamp or a plurality of LEDs are continuously arranged along the edge of the hand-free device, And the control unit automatically switches to a communication mode when a predetermined time elapses after the ring signal is received by the input of the automatic reception switch.