CN2358651Y - Automobile audio-frequency equipment for cellular telephone - Google Patents

Automobile audio-frequency equipment for cellular telephone Download PDF

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Publication number
CN2358651Y
CN2358651Y CN98200598U CN98200598U CN2358651Y CN 2358651 Y CN2358651 Y CN 2358651Y CN 98200598 U CN98200598 U CN 98200598U CN 98200598 U CN98200598 U CN 98200598U CN 2358651 Y CN2358651 Y CN 2358651Y
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China
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cell phone
automobile
signal
audiofrequency apparatus
amplifier
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CN98200598U
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Chinese (zh)
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崔相镐
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Individual
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Abstract

The utility model relates to automobile audio frequency equipment for a beehive telephone, which comprises an automatic signal selector, a power supply part, a recharging circuit which is used for supplying electrical energy from the power supply part to the beehive telephone and an amplifier which is used for amplifying sound signals which are input from the exterior of a microphone and are sent to the beehive telephone. Because a hand free device is not installed singly, the damage of a car body or the appearance of an automobile is prevented. Meanwhile, because a loudspeaker which is arranged on the automobile audio frequency equipment is used for a radio or a tape and the beehive telephone, and because a display element of the beehive telephone is also shared by the automobile audio frequency equipment and the beehive telephone, the structure of the beehive telephone is simplified.

Description

Be used for cellular automobile audiofrequency apparatus
The utility model relates to the automobile audiofrequency apparatus, and especially relates to a kind of cell phone that is used for to improve its convenience and to simplify the automobile audiofrequency apparatus of its structure.
Traditional portable cell phone (after this being called cell phone) is extensive use of by people, and it can make people away from it usually in the automobile of the office of work or still can carry out work easily on the street.
Yet much the problem as cellular negative effect has become more and more general.For example, the driver calls with a hand and drives a car with the another hand simultaneously facing to the cell phone speech, thereby has reduced the attentiveness of driver driving thus and strengthened the danger that traffic accident takes place.
In addition, cellular user tends to pasting ear tightly at the cell phone that the time will produce unwanted electromagnetic wave facing to the cell phone speech, thereby the user is subjected to the effect of unwanted electromagnetic wave, can produce negative interaction to its E.E.G when it is talked facing to cell phone.Therefore, have a problem in the cell phone of routine, that is, the electromagnetic harmful heat energy that produces from cell phone can work the mischief to user's health.
That has developed has solved above-mentioned problem without hand with regard to spendable cell phone (after this referring to cell phone).Cellular hands-free device as shown in fig. 1, comprise that a side that is fixed on car body (3) is used to load onto or unload (the replacement hand) bearing part (2) of cell phone (1), an external microphone (4) and a loud speaker, they are the opposite sides that are set at car body (3) under microphone (4) and loud speaker and situation that bearing part (2) is electrically connected.
Bearing part (2) is used for providing the electric energy that is produced by automobile batteries to cell phone (1), is used for inputing to cell phone (1) from cell phone (1) to loud speaker (5) output sound and the sound that is used for sending from external microphone (4).Therefore, the driver listens speech and aims at the external microphone speech with loud speaker (5) when driving, thereby uses cell phone (1) under situation not dominated by hand.
Yet, the problem that exists in traditional cellular hands-free device is that bearing partly is to be fixed on the hole of made on the car body, therefore install because of difficulty, also can cause damage to car body, simultaneously because the seat part branch that is installed on the car body impairs the outward appearance of car body, but also can cause trouble and inconvenience to driver and passenger.
In addition, the other problem that exists in traditional cellular hands-free device is also to have used external microphone and loud speaker in addition, so made that the structure of cellular telephone apparatus is more complicated, and owing to electrical wiring to diminish car body attractive in appearance, cause trouble for driver and passenger.
The utility model is just in order to address the above problem, a purpose of the present utility model just provides a kind of cellular automobile audiofrequency apparatus that is used for, its can prevent owing to be provided with that discrete hands-free device causes to the damage of car body or to the damage of automobile appearance.
Another purpose of the present utility model is, use the loud speaker that has been contained in the automobile audiofrequency apparatus, be used for cell phone and be used for broadcast receiver or tape, also used cellular display element simultaneously, it is used to indicate the current user mode of cell phone or automobile audiofrequency apparatus, thereby has simplified its structure.
In order to realize the purpose of this utility model, the designed cellular automobile audiofrequency apparatus that is used for has a low frequency amplifier, it is used to amplify and exports the voice signal that reproduce in the electric wave introduced from antenna by tuning low-frequency sound signal and demodulation and tape place, it also has a speaker, be used for exporting the voice signal that becomes mechanical oscillation from the low frequency of voice signal afterwards in the low frequency amplifier amplification, wherein this equipment comprises:
The automatic signal selector, when if cell phone is in use, be used to select and export the voice signal that is sent to low frequency amplifier from cell phone,, be used to export the voice signal that is sent to low frequency amplifier from demodulator if perhaps when cell phone is in idle state;
Be used for providing to the automobile audiofrequency apparatus power unit of power supply from automobile batteries;
Be used for providing to cell phone the recharging circuit of electric energy from power unit;
Be used to amplify the amplifier that is input to cellular voice signal from external microphone; Be placed on the cell phone holding portion of the front portion of automobile audiofrequency apparatus; And
The terminal part that is used to be electrically connected cell phone and automobile audiofrequency apparatus that forms on one side of the ccontaining part of cell phone.
In order to understand essence of the present utility model and purpose more fully, should be with reference to following detailed description, wherein in conjunction with respective drawings:
Fig. 1 is the sketch according to the cellular hands-free device of prior art embodiments;
Fig. 2 is the simple profile that is used for cellular automobile audiofrequency apparatus according to first embodiment of the utility model;
Fig. 3 is the block diagram that is used for cellular automobile audiofrequency apparatus according to first embodiment of the present utility model;
Fig. 4 is the simple outside drawing that is used for cellular automobile audiofrequency apparatus according to second embodiment of the utility model;
Fig. 5 is the block diagram that is used for cellular automobile audiofrequency apparatus according to second embodiment of the utility model;
Fig. 6 is the simple outside drawing that is used for cellular automobile audiofrequency apparatus according to the 3rd embodiment of the utility model;
Fig. 7 is the block diagram that is used for cellular automobile audiofrequency apparatus according to the 3rd embodiment of the utility model;
Fig. 8 is the perspective view that is used for cellular automobile audiofrequency apparatus according to the 4th embodiment of the utility model;
Fig. 9 is the perspective view that separates that is used to explain cellular automobile audiofrequency apparatus according to the 4th embodiment of the utility model;
Figure 10 is the cellular perspective view shown in Fig. 9;
Figure 11 is the block diagram that is used for cellular automobile audiofrequency apparatus according to the 4th embodiment of the utility model; And
Figure 12 is the cellular block diagram shown in Figure 11;
Below with reference to corresponding accompanying drawing the utility model is described in detail, Fig. 2 is the simple outside drawing that is used for cellular automobile audiofrequency apparatus according to first embodiment of the utility model.Fig. 3 is the block diagram that is used for cellular automobile audiofrequency apparatus according to first embodiment of the present utility model.
At the cellular automobile audiofrequency apparatus that is used for according to first embodiment of the utility model, first connector (11) that forms in the back of automobile audiofrequency apparatus (10) links to each other with cell phone and external microphone (41 and 42) with second connector (31) that links to each other with cell phone (30).
First external microphone (41) is set at a side of sunshade, and sunshade is fixed on the top of front side in the car; And second external microphone (42) is fixed on the front end face of automobile audiofrequency apparatus (10).
Automobile audiofrequency apparatus (10) comprises an antenna (12), a tuner (13), an intermediate frequency amplifier (14), a demodulator (15), an automatic signal selector (16), a low frequency amplifier (17), a speaker (18), a power unit (19), a recharging circuit (21), a microphone selector (22) and an amplifier (23).
Tuner (13) is selected target frequency and is converted to intermediate frequency and sends intermediate frequency amplifier (14) to from the electric wave of importing at antenna (12), it is followed the intermediate-freuqncy signal amplification and is sent to demodulator (15).Demodulator (15) only detects the low frequency of voice signal and sends automatic signal selector (16) to from the intermediate-freuqncy signal of amplifier (14) input.
Automatic signal selector (16) is selected from cell phone (30) according to the control signal that sends by second connector (31) and first connector (11) from cell phone (30) thus the voice signal of output is input to low frequency amplifier (17) or the low frequency of the voice signal selecting to export from demodulator (15) also and then be input to low frequency amplifier (17).
If cell phone (30) is among the use, automatic signal selector (16) is selected from the voice signal of cell phone (30) output so, and be entered into low frequency amplifier (17), if cell phone (30) is not in use, then select from the low frequency of the voice signal of demodulator (15) output, and be entered into low frequency amplifier (17).
Low frequency amplifier (17) amplifies from the signal of automatic signal selector (16) input and outputs to loud speaker (18), speaker (18) will be from low frequency amplifier (17) thus the conversion of signals of sending is the mechanical oscillation output sound.
Power unit (19) provides energy to drive automobile audiofrequency apparatus (10) from automobile batteries (50), and recharging recharging circuit (21), recharging circuit (21) offers cell phone (30) by first connector (11) and second connector (31) with electric energy from power unit (19).
Microphone selector (22) is selected the input audio signal of input from first and second external microphones (41 and 42) according to the operation of the microphone selector button (25) of the front side that is fixed on automobile audiofrequency apparatus (10).Amplifier (23) amplifies from the voice signal of microphone selector (22) input and is transmitted to cell phone (30) by first and second connectors (11 and 31).
Fig. 4 is the simple outside drawing that is used for cellular automobile audiofrequency apparatus according to second embodiment of the utility model.Fig. 5 is the block diagram that is used for cellular automobile audiofrequency apparatus according to second embodiment of the present utility model.In Fig. 4 and Fig. 5, to describe and explain in order to simplify, for part similar among represented and Fig. 2 and Fig. 3 or that be equal to, used similarly with reference to number and symbol, and omitted unnecessary description.
At the cellular automobile audiofrequency apparatus that is used for, in front end face first connector (11) that forms and second connector (31) electrical connection that links to each other with cell phone (30) of automobile audiofrequency apparatus (10) according to second embodiment of the present utility model.
Automobile audiofrequency apparatus system (10) comprises antenna (12), tuner (13), intermediate frequency amplifier (14), demodulator (15), automatic signal selector (16) low frequency amplifier (17), speaker (18), power unit (19), recharging circuit (21), amplifier (23) and signal selector button (26).
Tuner (13) is selected target frequency and is converted to intermediate frequency and is input to intermediate frequency amplifier (14) from the electric wave of importing at antenna (12), intermediate frequency amplifier is followed the intermediate-freuqncy signal amplification and is input to demodulator (15).Demodulator (15) only detects the low-frequency sound signal and sends automatic signal selector (16) to from the intermediate-freuqncy signal of amplifier (14) input.
Automatic signal selector (16) is selected from the voice signal of cell phone (30) output according to the operation of signal selector button (26), and be input to low frequency amplifier (17), and select from the low-frequency sound signal of demodulator (15) output, and be entered into low frequency amplifier (17), or will import into low frequency amplifier (17) from the caller's of cell phone (30) and demodulator (15) input the voice signal and the voice signal of low frequency simultaneously.
If cell phone (30) is using, automatic signal selector (16) selects voice signal from cell phone (30) output to be input to low frequency amplifier (17) by the operation of signal selector button (26), if cell phone (30) does not use, then selector (16) the low-frequency sound signal selecting to export from demodulator (15) by the operation of signal selector button (26) is to be input to low frequency amplifier (17).If user's operation signal selector button (26) so caller's voice signal and low-frequency sound signal Synchronization is input to low frequency amplifier (17) side by side to select voice signal and the low-frequency sound signal from the caller of cell phone (30) and demodulator (15).
Low frequency amplifier (17) is from the signal of automatic signal selector (16) input and output to loud speaker (18), and the conversion of signals that loud speaker will transmit from low frequency amplifier (17) be that mechanical oscillation are with output sound.
Power unit (19) provides energy to drive automobile audiofrequency apparatus (10) and to recharge recharging circuit (21) from automobile batteries (50), and recharging circuit (21) provides energy by first connector (11) and second connector (31) to cell phone (30) from power unit (19).
Amplifier (23) amplifies from the voice signal of external microphone (42) input of the front portion that is contained in automobile audiofrequency apparatus (10) and is input to cell phone (30) by first and second connectors (11 and 31).
Fig. 6 is the simple outside drawing that is used for cellular automobile audiofrequency apparatus according to the 3rd embodiment of the present utility model.Fig. 7 is the block diagram that is used for cellular automobile audiofrequency apparatus according to the 3rd embodiment of the utility model.In Fig. 6 and Fig. 7, to describe and explain in order to simplify, for represent with Fig. 2 and Fig. 3 in similar or identical part, used similarly with reference to number and symbol, and omitted unnecessary description.
The cellular automobile audiofrequency apparatus that is used for according to the 3rd embodiment of the present utility model comprises automobile acoustic apparatus (10), is arranged on the outside of automobile audiofrequency apparatus (10) and is in and the hands-free part (20) of its status of electrically connecting, and cell phone (30) and the external microphone (41) that is electrically connected with hands-free part (20).External microphone (41) is installed in a side of sky shade, and sky shade is provided with the place, top of automobile front side, and external microphone (41) is used for caller's voice signal is input to hands-free part (20).
Hands-free part (20) will be sent to automobile audiofrequency apparatus (10) from the voice signal and the control signal of cell phone (30) output.First and second connectors (27 and 28) are assembled to be used for by recharging circuit (21), amplifier (23) and hands-free part (20) are linked to each other with cell phone (30) with automobile audiofrequency apparatus (10), and coming provides power supply from automobile audiofrequency apparatus (10) to cell phone (30).
First connector (27) is set for hands-free part (20) is electrically connected with external microphone (41) and automobile audiofrequency apparatus (10), and second connector (28) is set for hands-free part (20) is electrically connected with cell phone (30).
The electric energy that recharging circuit (21) is used to provide from automobile audiofrequency apparatus (10) provides to cell phone (30) by first and second connectors (27 and 28).Amplifier (23) amplifies from the voice signal of external microphone (41) by first connector (27) input, and sends cell phone (30) to by second connector (28).
First and second connectors (27 and 28) are electrically connected being input to automobile audiofrequency apparatus (10) from voice signal and the control signal that cell phone (30) transmits.
Automobile audiofrequency apparatus (10) comprises antenna (12), tuner (13), intermediate frequency amplifier (14), demodulator (15), automatic signal selector (16), low frequency amplifier (17), loud speaker (18) and power unit (19).
Tuner (13) detects target frequency and is converted into intermediate frequency to be input to intermediate frequency amplifier (14) from the electric wave of importing at antenna (12), intermediate frequency amplifier (14) is followed the intermediate-freuqncy signal amplification and is input to demodulator (15).Demodulator (15) only detects from the low-frequency sound signal of the intermediate-freuqncy signal of amplifier (14) input and sends automatic signal selector (16) to.
Automatic signal selector (16) is selected from the voice signal of cell phone (30) input according to the control signal from cell phone (30) input, and by second and first connector (28 and 27) be input to low frequency amplifier (17) or the low-frequency sound signal selecting to import from demodulator (15) to be input to low frequency amplifier (17).
Automatic signal selector (16) is selected from the voice signal of cell phone (30) output, if cell phone (30) is in use, then this voice signal is input to low frequency amplifier (17), and select from the low-frequency sound signal of demodulator (15) output, if cell phone (30) is not in use, then be entered into low frequency amplifier (17).
Low frequency amplifier (17) amplifies from the signal of automatic signal selector (16) input and outputs to loud speaker (18), and the conversion of signals that loud speaker will transmit from low frequency amplifier (17) be mechanical oscillation and output sound thus.
Power unit (19) provides electric energy with driving automobile audiofrequency apparatus (10) from automobile batteries (50), and is provided to the recharging circuit (21) of hands-free part (20) by first connector (27).
Fig. 8 is for describing the perspective view that is used for cellular automobile audiofrequency apparatus according to the 4th embodiment of the present utility model.Fig. 9 is for describing the decomposition diagram that is used for cellular automobile audiofrequency apparatus according to the 4th embodiment of the present utility model.Figure 10 is a cellular perspective view shown in Fig. 9.
At the cellular automobile audiofrequency apparatus that is used for according to the 4th embodiment of the utility model, automobile audiofrequency apparatus (10) comprise the front side that is arranged on automobile audiofrequency apparatus (10) be used to place cell phone (30) cell phone holding portion (62) and when cell phone (30) be placed in cell phone holding portion (62) above the time be arranged on cell phone holding portion (62) a side be used to be electrically connected the blank area (70) of automobile audiofrequency apparatus (10) and cell phone (30).
The antenna (33) of cell phone (30) is hinged so that rotate, and includes the antenna holding portion (35) that is used for placing the antenna (33) of cell phone (30) when antenna is rotated in the part of the rear side of cell phone (30).
Figure 11 is the block diagram that is used for cellular automobile audiofrequency apparatus according to the 4th embodiment of the utility model, and Figure 12 is the cellular block diagram shown in Figure 11.In Figure 11 and Figure 12, to describe and explanation in order to simplify, usefulness is similar with reference to part similar among number and symbolic representation and Fig. 2 and Fig. 3 or that be equal to, and has omitted unnecessary description.
Automobile audiofrequency apparatus (10) comprises antenna (12), tuner (13), intermediate frequency amplifier (14), demodulator (15), automatic signal selector (16), low frequency amplifier (17), loud speaker (18), power unit (19), recharging circuit (21), amplifier (23) and microcomputer (60).
Target frequency in the electric wave that tuner (13) is located comfortable antenna (12) to import detects and is converted to intermediate frequency being input to intermediate frequency amplifier (14), and intermediate frequency amplifier then amplifies intermediate-freuqncy signal and is input to demodulator (15).Demodulator (15) only detects from the low-frequency sound signal of the intermediate-freuqncy signal of amplifier (14) input and sends it to automatic signal selector (16).
Microcomputer (60) is according to the general operation and the automatic signal selector (16) that come Control of Automobile audiofrequency apparatus (10) from cell phone (30) by the control signal of blank area (70) input, locate and cell phone (30) is arranged on holding portion (62), and holding portion (62) is formed on the front portion of automobile audiofrequency apparatus (10).
If cell phone is in use, to microcomputer (60), and export from cell phone (30) by this caller's voice signal by blank area (70) for the control signal of voice signal that cell phone (30) input is used to select the caller.If cell phone (30) is not in use, cell phone (30) input is used for selection and passes through blank area (70) to microcomputer (60) from the control signal of the low-frequency sound signal of demodulator (15) output.
If cell phone is in use, then automatic signal selector (16) is selected from the voice signal of cell phone (30) input according to the control of microcomputer (60) and is input to low frequency amplifier (17), perhaps when if cell phone is not in use, selects from the low-frequency sound signal of demodulator (15) input and be entered into low frequency amplifier (17).
Low frequency amplifier (17) amplifies from the signal of automatic signal selector (16) input and outputs to loud speaker (18), loud speaker (18) will be from low frequency amplifier (17) thus the conversion of signals that transmits is the mechanical oscillation output sound.
Power unit (19) provides electric energy to drive automobile audiofrequency apparatus (10) and recharges recharging circuit (21) from automobile batteries (50), and recharging circuit (21) provides electric energy by blank area (70) to cell phone (30) from power unit (19).
Amplifier (23) amplifies from the voice signal of external microphone (41) input, and microphone (41) is installed in the front side of sky shade and by blank area (70) voice signal is input to cell phone (30).
Cell phone (30) comprises microcomputer (36), display element (37) and display element drive part (38).When cell phone (30) was placed in the cell phone holding portion (62), microcomputer (36) was electrically connected cell phone (30) and automobile audiofrequency apparatus (10) by blank area (70).
Detection time and will be used to show that the control signal of cell phone video data is sent to display element drive part (38) when microcomputer (36) is placed in the cell phone holding portion (62) when cell phone (30), microcomputer (36) also detects the cell phone video data of the state at that time that is used to represent cell phone (30).If cell phone (30) is removed from automobile audiofrequency apparatus (10), then microcomputer (36) control signal that will be used for display automobile audiofrequency apparatus data outputs to display element drive part (38).
If imported relative control signal, then display element drive part (38) will be sent to display element (37) from the cell phone video data of microcomputer (36) input, if imported relevant control signal simultaneously, display element drive part (38) also can be sent to display element (37) with the automobile audio frequency video data from microcomputer (36).
Display element (37) is made by liquid crystal display (LCD) element, is used to show cell phone video data or the automobile audio frequency video data of exporting from display element drive part (38).
Then, describe operation sequence and the operating effect that is used for cellular automobile audiofrequency apparatus in detail.As described in first embodiment of the present utility model, tuner (13) will detect and be converted to intermediate frequency to be input to intermediate frequency amplifier (14) from the target frequency that antenna (12) are located in the incoming wave, and intermediate frequency amplifier (14) is followed the intermediate-freuqncy signal amplification and is input to demodulator (15).Demodulator (15) only detects the low-frequency sound signal and sends it to automatic signal selector (16) from the intermediate-freuqncy signal of amplifier (14) input.
Automatic signal selector (16) is selected the voice signal of importing from cell phone (30) and is entered into low frequency amplifier (17) according to the control signal that transmits by second connector (31) and first connector (11) from cell phone (30), perhaps selects the low-frequency sound signal of importing from demodulator (15) and is entered into low frequency amplifier (17).
If cell phone (30) is in use, be used for selecting being input to automatic signal selector (16) by second and first connector (31 and 11) from the control signal of caller's voice signal of cell phone (30) output.Then, automatic signal selector (16) will be input to low frequency amplifier (17) according to the control signal from cell phone (30) emission from the caller's of cell phone (30) output voice signal.
If cell phone (30) is not in use, be used for selecting being input to automatic signal selector (16) by second and first connector (31 and 11) from the control signal of the low-frequency sound signal of demodulator (15) output.Then, automatic signal selector (16) will be input to low frequency amplifier (17) from the low-frequency sound signal of cell phone (30) output according to the control signal that sends from cell phone (30).
In addition, low frequency amplifier (17) will amplify from the voice signal of automatic signal selector (16) input and it will be outputed to loud speaker (18), loud speaker (18) will be from low frequency amplifier (17) thus the voice signal that sends is converted to the mechanical oscillation output sound.
Correspondingly, if cell phone is in use, then loud speaker (18) reproduces from the caller's of cell phone (30) output voice signal.On the other hand, if cell phone (30) is not in use, then loud speaker (18) reproduces from the low-frequency sound signal of demodulator (15) output and is used to listen to broadcast receiver or audiotape.
If the operation of the microphone selector button (25) of the front side of caller by being contained in automobile audiofrequency apparatus (10) selects to be arranged on first external microphone (41) at sky shade place, microphone selector (22) will be input to amplifier (23) from the voice signal that first external microphone (41) sends.If the caller has selected to be arranged on second external microphone (42) of the front side of automobile audiofrequency apparatus (10) by the operation of microphone selector button (25), then microphone selector (22) will be input to amplifier (23) from the voice signal that second external microphone (42) sends.
Amplifier (23) will amplify by the voice signal of microphone selector (22) input and be transferred to cell phone (30) by first and second connectors (11 and 31), cell phone (30) will send to telephone base station from the voice signal that the amplifier (23) of automobile audiofrequency apparatus (10) is imported, and can converse thus.
Power unit (19) provides electric energy to drive automobile audiofrequency apparatus (10) and to recharge recharging circuit (21) from automobile batteries (50), and recharging circuit is provided to cell phone (30) from power unit (19) by first connector (11) and second connector (31) with electric energy.
As described in second embodiment of the present utility model, tuner (13) will detect and be converted to intermediate frequency from the target frequency in the electric wave that antenna (12) are located to import to be entered into intermediate frequency amplifier (14), and intermediate frequency amplifier (14) is followed the intermediate-freuqncy signal amplification and is input to demodulator (15).Demodulator (15) only detects since the low-frequency sound signal of the intermediate-freuqncy signal of amplifier (14) input and sends it to automatic signal selector (16).
Automatic signal selector (16) is selected from the voice signal of cell phone (30) input according to the operation of signal selector button (26) and is entered into low frequency amplifier (17), selects from the low-frequency sound signal of demodulator (15) input and be input to low frequency amplifier (17) or select simultaneously to be input to low frequency amplifier (17) from the caller's of cell phone (30) and demodulator (15) voice signal and low-frequency sound signal and with them.
In other words, if caller's operation signal selector button (26) will be used for selecting being input to automatic signal selector (16) from the control signal of the caller's of cell phone (30) output voice signal, automatic signal selector (16) is selected the voice signal of exporting from cell phone (30) by second and first connector (31 and 11) and is input to the big device of low frequency (17) so.
If caller's operation signal selector button (26), to be used for selecting simultaneously being input to automatic signal selector (16) from the caller's of cell phone (30) and demodulator (15) output the voice signal and the control signal of voice signal, automatic signal selector (16) is selected to be input to low frequency amplifier (17) from the caller's of cell phone (30) and demodulator (15) output voice signal and low-frequency sound signal and with them so.
Low frequency amplifier (17) amplifies from the signal of automatic signal selector (16) input and outputs to loud speaker (18), and the conversion of signals that loud speaker (18) will send from low frequency amplifier (17) be mechanical oscillation and output sound thus.
If cell phone is in use, then locate the voice signal of reproduction from the caller of cell phone (30) output at loud speaker (18).On the other hand, if cell phone (30) is not in use, then locate to reproduce the low-frequency sound signal of exporting from demodulator (15) at loud speaker (18).
Then, the external microphone (42) with caller's the sound front side by being arranged on automobile audiofrequency apparatus (10) is input to amplifier (23).Amplifier (23) amplifies by the voice signal of signal selector (22) input and is transferred to cell phone (30) by first and second connectors (11 and 31), cell phone will send to the base station by the voice signal that the amplifier (23) of automobile audiofrequency apparatus (10) is imported, and converse thus.
Power unit (19) provides energy to drive automobile audiofrequency apparatus (10) and to recharge recharging circuit (21) from automobile batteries (50), and recharging circuit provides energy by first connector (11) and second connector (31) to cell phone (30) from power unit (19).
As described in the 3rd embodiment of the present utility model, tuner (13) will detect and be converted to intermediate frequency from the target frequency in the electric wave that antenna (12) are located to import and amplify (14) frequently to be input to intermediate frequency, and intermediate frequency amplifier (14) is followed the intermediate-freuqncy signal amplification and is input to demodulator (15).Demodulator (15) only detects since the low-frequency sound signal of the intermediate-freuqncy signal of amplifier (14) input and is sent to automatic signal selector (16).
Automatic signal selector (16) is according to selecting from the caller's of cell phone (30) input voice signal from cell phone (30) by the control signal of second and first connector (28 and 27) input and being entered into low frequency amplifier (17) or selecting the low-frequency sound signal of importing from demodulator (15) and be entered into low frequency amplifier (17).
If cell phone is in use, be used for selecting being input to automatic signal selector (16) from the control signal of caller's voice signal of cell phone (30) output by second and first connector (28 and 27), automatic signal selector (16) is selected caller's voice signal and is entered into low frequency amplifier (17) according to the control signal of importing from cell phone (30).
If cell phone is not in use, be used for selecting being input to automatic signal selector (16) from the control signal of the voice signal of demodulator (15) output by second and first connector (28 and 27), it is selected the low-frequency sound signal of exporting from demodulator (15) and is entered into low frequency amplifier (17).
Low frequency amplifier (17) amplifies from the signal of automatic signal selector (16) input and outputs to loud speaker (18), loud speaker (18) will be from low frequency amplifier (17) thus the conversion of signals of sending is the mechanical oscillation output sound.
If cell phone is in use, then loud speaker (18) reproduces from the caller's of cell phone (30) output voice signal.On the other hand, if cell phone is not in use, then loud speaker (18) reproduction is used to listen to broadcast receiver or audiotape from the low frequency of the voice signal of demodulator (15) output.
Then, caller's sound is input to the amplifier (23) of hands-free part (20) by external microphone (41).Amplifier (23) amplifies from the voice signal of external microphone (41) input and sends to cell phone (30) by second connector (28), it will send to telephone base station from the voice signal that the amplifier (23) of hands-free part (20) is imported, and converse thus.
Power unit (19) provides electric energy to drive automobile audiofrequency apparatus (10) also recharges hands-free part (20) by first connector (27) recharging circuit (21) from automobile batteries (50).The recharging circuit (21) of hands-free part (20) will be sent to cell phone (30) from the energy that power unit (19) provides by second connector (28) by first connector (27).
As described in the 4th embodiment of the present utility model, tuner (13) will detect and be converted to intermediate frequency from the target frequency in the electric wave that antenna (12) are located to import to be input to intermediate frequency amplifier (14), and intermediate frequency amplifier (14) is followed the intermediate-freuqncy signal amplification and is input to demodulator (15).Demodulator (15) only detects the low-frequency sound signal in the intermediate-freuqncy signal of amplifier (14) input and sends it to automatic signal selector (16).
If cell phone (30) is not in use, then cell phone (30) will be used for selecting being input to microcomputer (60) from the control signal of the low-frequency sound signal of demodulator (15) output by blank area (70), and the low-frequency sound signal of exporting from demodulator (15) is selected and exported to microcomputer (60) according to controlling automatic signal selector (16) from the control signal of cell phone (30) input.
If cell phone (30) is in use, cell phone (30) will be input to the microcomputer (60) of automobile audiofrequency apparatus by blank area (70) from the control signal that is used to select caller's voice signal of cell phone (30) output, and microcomputer (60) is according to selecting and export the voice signal of exporting from cell phone (30) from the control signal control automatic signal selector (16) of cell phone (30) input.
Automatic signal selector (16) is selected from the caller's of cell phone (30) input voice signal according to the control signal of microcomputer (60) and is entered into low frequency amplifier (17) or selects from the low-frequency sound signal of demodulator (15) input and be entered into low frequency amplifier (17).
Low frequency amplifier (17) amplifies from the signal of automatic signal selector (16) input and outputs to loud speaker (18), and the conversion of signals that loud speaker will send from low frequency amplifier (17) be mechanical oscillation and output sound thus.
If cell phone is in use, then loud speaker (18) reproduces from the caller's of cell phone (30) output voice signal.On the other hand, if cell phone is not in use, then loud speaker (18) reproduces from the low-frequency sound signal of demodulator (15) output and is used to listen to broadcast receiver or audiotape.
Then, the sound of caller by external microphone (41) input is exaggerated and is sent to cell phone (30) by blank area (70), cell phone (30) will send to telephone base station from the voice signal of automobile audiofrequency apparatus (10), amplifier (23) input, converse thus.
Power unit (19) provides energy to drive automobile audiofrequency apparatus (10) and to recharge recharging circuit (21) from automobile batteries (50), and recharging circuit will offer cell phone (30) by blank area (70) from the electric energy of power unit (19).
On the other hand, microcomputer (36) detection of cell phone (30) is worked as cell phone (30) and is removed from cell phone holding portion (62), and cell phone (30) and automobile audiofrequency apparatus (10) time of also being separated by blank area (70) electricity simultaneously, and the cell phone video data of control signal that will be used to show the cell phone video data and the current state that is used to represent cell phone (30) is sent to display element drive part (36).
The cell phone holding portion (62) of automobile audiofrequency apparatus (10) is feasible to be electrically connected cell phone (30) by blank area (70) with automobile audiofrequency apparatus (10) if cell phone (30) is placed in, and the control signal that microcomputer (36) will be used for display automobile audiofrequency apparatus video data outputs to display element drive part (38).
If imported relevant control signal, then display element drive part (38) will send to display element (37) from the cell phone video data of microcomputer (36) input, if and imported relevant control signal, then will be sent to display element (37) from the automobile audiofrequency apparatus video data of microcomputer (36).
The antenna (33) of cell phone (30) is hinged so that rotate, and includes the antenna holding portion (35) that is used for placing cellular antenna when antenna is rotated in the part of the rear side of cell phone (30).Therefore, if necessary, can rotate and extract antenna, or antenna (33) is placed on holding portion (35).
From above description, can obviously find out, be used for cellular at the utility model There are like this some advantages in the automobile audiofrequency apparatus, namely need not to install separately hands-free device, because of This can prevent to the damage of car body or to the damage of automobile appearance.
In addition, also exist for cellular automobile audiofrequency apparatus of the present utility model Other benefit, the loudspeaker of the automobile audiofrequency apparatus that has namely assembled has for radio Or audiotape and be used for cellular dual-use function, and cellular display element is Public use, simplified thus the structure of cellular telephone apparatus.

Claims (7)

1, a kind ofly is used for cellular automobile audiofrequency apparatus, it has a low frequency amplifier, this low frequency amplifier is used for amplifying and exports by the low-frequency sound signal of the electric wave of introducing from antenna of tuning and demodulation and the low-frequency sound signal that audiotape reproduces, this equipment also has a loud speaker, it is used for output sound signal, this voice signal is exaggerated the back at low frequency amplifier and becomes mechanical oscillation and generate from the low-frequency sound signal, and this equipment comprises:
-automatic signal selector, it is used for when cell phone is in use selecting the voice signal of sending from cell phone and outputs to low frequency amplifier, or when cell phone is not in use, selects the voice signal of sending from demodulator and output to low frequency amplifier;
-power unit is used for providing electric energy from automobile batteries to the automobile audiofrequency apparatus;
-recharging circuit is used for providing energy from power unit to cell phone; And
-amplifier is used for amplifying from the voice signal of external microphone input being sent to cell phone,
It is characterized in that cell phone being connected with autoselector, power unit, recharging circuit and amplifier by a connector.
2, equipment according to claim 1 is characterized in that external microphone comprises:
Be arranged on first microphone of a side of sky shade;
Second microphone of on the front end face of automobile audiofrequency apparatus, setting up;
Be fixed on the microphone selector button of the front end face of automobile audiofrequency apparatus; And
The microphone selector, it will be from the transmission of sound signals of first or second external microphone input to amplifier according to the operation of microphone selector button.
3, equipment according to claim 1, it is characterized in that automatic signal selector wherein is along with the voice signal of selecting the caller in the operation of the signal selector button of the front side of automobile audiofrequency apparatus or from the low-frequency sound signal of cell phone output, and be sent to low frequency amplifier, or select caller's voice signal and low-frequency sound signal to be sent to low frequency amplifier simultaneously.
4, equipment according to claim 1 it is characterized in that amplifier and recharging circuit are placed in the hands-free part on the outside of automobile audiofrequency apparatus, and hands-free part is electrically connected cell phone and automobile audiofrequency apparatus.
5, equipment according to claim 1, it is characterized in that the cell phone holding portion to be set at the front end face of automobile audiofrequency apparatus and blank area is formed on a side of cell phone holding portion, blank area is used for cell phone and automobile audiofrequency apparatus are electrically connected when cell phone is placed in the cell phone holding portion.
6, equipment according to claim 5, it is characterized in that cellular phone antennas be rotated and in the place that antenna is rotated and places the antenna holding portion is set.
7, according to claim 5 or 6 described equipment, it is characterized in that wherein cell phone comprises:
-microcomputer, it is used to control cellular general operation and is used to export the cell phone video data so that cellular current state to be shown, and is used for when cell phone is placed in the cell phone holding portion sending control signal after whether definite cell phone and automobile audiofrequency apparatus are electrically connected;
Be used to show the cell phone video data or from a display element of the automobile audiofrequency apparatus video data of automobile audiofrequency apparatus input; And
-display element drive part, it is used to drive display element, if show that the control signal that is electrically connected between cell phone and the automobile audiofrequency apparatus is imported from microcomputer, in order to display automobile audiofrequency apparatus video data, if imported the control signal that shows that the electricity between cell phone and automobile audiofrequency apparatus disconnects from microcomputer, it is used to show the cell phone video data.
CN98200598U 1997-11-18 1998-01-21 Automobile audio-frequency equipment for cellular telephone Expired - Fee Related CN2358651Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN98200598U CN2358651Y (en) 1997-11-18 1998-01-21 Automobile audio-frequency equipment for cellular telephone

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR199760902 1997-11-18
KR199760903 1997-11-18
CN98200598U CN2358651Y (en) 1997-11-18 1998-01-21 Automobile audio-frequency equipment for cellular telephone

Publications (1)

Publication Number Publication Date
CN2358651Y true CN2358651Y (en) 2000-01-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN98200598U Expired - Fee Related CN2358651Y (en) 1997-11-18 1998-01-21 Automobile audio-frequency equipment for cellular telephone

Country Status (1)

Country Link
CN (1) CN2358651Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1307843C (en) * 2003-12-31 2007-03-28 三星电子株式会社 Method for controlling mobile phone to output audio signals and alert sounds through external audio player
CN106564442A (en) * 2015-10-08 2017-04-19 通用汽车环球科技运作有限责任公司 Vehicle audio transmission control

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1307843C (en) * 2003-12-31 2007-03-28 三星电子株式会社 Method for controlling mobile phone to output audio signals and alert sounds through external audio player
CN106564442A (en) * 2015-10-08 2017-04-19 通用汽车环球科技运作有限责任公司 Vehicle audio transmission control
CN106564442B (en) * 2015-10-08 2019-12-06 通用汽车环球科技运作有限责任公司 Vehicle audio transmission control

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