CN2509026Y - Hand-free mobile telephone wireless apparatus for vehicle - Google Patents
Hand-free mobile telephone wireless apparatus for vehicle Download PDFInfo
- Publication number
- CN2509026Y CN2509026Y CN 01253472 CN01253472U CN2509026Y CN 2509026 Y CN2509026 Y CN 2509026Y CN 01253472 CN01253472 CN 01253472 CN 01253472 U CN01253472 U CN 01253472U CN 2509026 Y CN2509026 Y CN 2509026Y
- Authority
- CN
- China
- Prior art keywords
- mobile phone
- circuit
- automobile
- wireless device
- receiving box
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Telephone Set Structure (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The utility model provides a car used hold-free mobile telephone radio, which includes a mobile telephone and a power supply. The utility model also has a receiving device communicating with an amplifier of the mobile telephone through a sound wave. The receiving device is provided with a mike 3, and a receiving box 1 connecting with the mike 3 through a plug 34 of the mike. A signal collecting circuit 124 and a sound reproducing circuit 119 are arranged in the receiving box 1. A monopole double-throw button switch 113 is also arranged in the receiving box 1, and the pole of the button switch 113 connects with the signal collecting circuit 124, and the double throws respectively connect with the sound reproducing circuit 119 and an emission circuit 120 which connects with the sound reproducing circuit in parallel. Therefore, no matter what receiving method the user adopts, the mobile telephone is not needed to be hold by hand, and then the driver is ensured to drive the car safely. The circuit used in the utility model is simple, practical, reliable, and durable.
Description
Technical field
The utility model relates to a kind of hand-free mobile device, relates in particular to a kind of automobile-used hand-free mobile phone wireless device.
Background technology
At present, people are driving a car, in the time of must receiving calls at once again, it generally is a hand-held mobile phone, one holds bearing circle, and this mode of answering is undoubtedly extremely dangerous, and therefore also the someone uses wired earphone to answer, must wear earphone so earlier and just can answer, also cause certain trouble to the user.
Summary of the invention
The purpose of this utility model provide a kind of can be by mobile device hands-free or that wireless headset is conversed.
The utility model is achieved in that a kind of automobile-used hand-free mobile phone wireless device, comprise mobile phone, power supply, also have one with the player of this mobile phone with receiving device, this receiving device of sound wave connection be provided with microphone, with the receiving box that microphone is connected by phono connector, be provided with signal acquisition circuit, playback circuit in the described receiving box.Also have the button switch of a dpdt double-pole double-throw (DPDT), the cutter of described button switch to be connected with signal acquisition circuit in the described receiving box, double-throw links to each other with playback circuit and with the transmission circuit of playback circuit parallel connection respectively and presses.Described receiving device also comprises a wireless headset, and this wireless headset is connected with described transmission circuit by electromagnetic wave.The power supply that described power supply adopts automobile cigarette lighter to provide.
Therefore, what kind of mode of answering the user takes need not hand held mobile phone, thereby can guarantee the safe driving vehicle, and the circuit that this device adopts is simple and practical, and reliability and durability.
Description of drawings
Fig. 1 is the front elevational schematic of receiving box of the present utility model.
Fig. 2 is the top cross-sectional view of receiving box of the present utility model.
Fig. 3 is the front elevational schematic of wireless headset of the present utility model.
Fig. 4 is the schematic side view of wireless headset of the present utility model.
Fig. 5 is the scheme drawing of microphone of the present utility model.
Fig. 6 is the schematic side view of handset mounting of the present utility model.
Fig. 7 is the functional block diagram of receiving box of the present utility model.
Fig. 8 is the functional block diagram of wireless receiving earphone of the present utility model.
Fig. 9 is the schematic circuit diagram of receiving box of the present utility model.
Figure 10 is the schematic circuit diagram of wireless receiving earphone of the present utility model.
Specific embodiment
As Fig. 1, the receiving box 1 of the system of the utility model shown in 2 comprises plug portion 10 and the box portion 110 of captiveing joint with it, wherein plug portion comprises contact head 17, screw button 12, contact disk 11, inclined-plane wedge 13, stage clip 18, fastening nut 14, screwing button 12 flexibly connects with contact head 17, screw button 12, contact disk 11, inclined-plane wedge 13 flexibly connects by stage clip 18 and fastening nut 14, the box face 111 of box portion 110 is provided with indicator lamp 19, volume adjusting knob 118, microphone socket 112, button switch 113, be provided with wiring board 115 in the box body of box portion 110 and pass through connection lead 114 bonded assembly loudspeaker 116 with this wiring board 115, spring antenna 117.Also have a wire fuse 16 also to be connected with wiring board 115 in the plug by connection lead 114.Receiving box 1 is connected on the vehicle Cigarette lighter by contact head 17; screwing button 12 can make contact head 17 tightr with combining of Cigarette lighter by rotation; wire fuse 16 can fuse when short circuit automatically with protection electrical equipment; when receiving box 1 work; indicator lamp 19 is bright; button switch 113 is used for switching and is to use hands-free still wireless headset to answer; spring antenna 117 is used to send voice signal to wireless headset; loudspeaker 116 are used for amplification of volume when hands-free; microphone socket 112 is used for inserting the tube 3 of living, i.e. the voice signal of native system source.
The utility model wireless headset shown in Fig. 3,4 comprises earphone face 21, earphone body 23, earphone hook 22, earphone body 23 is captiveed joint with earphone hook 22, be provided with wiring board 28 in the earphone body 23 and pass through connection lead 210 bonded assembly spring antennas 26, loudspeaker 27, battery 29 with this wiring board 28, be covered with sponge cover 24 on the earphone face 21, earphone body 23 is provided with switch driving lever 211, and switch driving lever 211 is used to regulate the size of volume.
Shown in Figure 5 is the microphone 3 of the utility model system, it comprises microphone folder 31, the microphone body 32 of captiveing joint with the one side of putting collet chuck 31, by connection lead 33 and microphone body 32 bonded assembly phono connectors 34, the clamp mouth part of microphone folder 31 is provided with plastic cushion 35, foam mat 36, the microphone body 32 outer rubber sheaths 37 that are surrounded by.Phono connector 34 is inserted in the microphone socket 112 of receiving box 1 during use.
Shown in Figure 6 is the handset mounting 4 of the utility model system, it comprises mobile phone clamping band 41, liner 42, supporting plate 43, nylon buckles 44, cam spanner 45, axle 46, sucker cover 47, sucker 48, supporting plate 43 is the L shape, sucker 48 is captiveed joint with an end of supporting plate 43, the other end of supporting plate 43 is captiveed joint with mobile phone clamping band 41, liner 42 fills up the chassis 49 in supporting plate 43, be used to shelve mobile phone, cam spanner 45 flexibly connects by axle 46 and handset mounting plate 43, sucker 48 is placed on a certain position of car, cam spanner 45 is pressed toward the direction of sucker 48, at this moment, air in the sucker 48 is squeezed out, and decontrols cam spanner 45 and just handset mounting 43 can be fixed on this position, and mobile phone can be fixed on the mobile phone clamping band 41.
As shown in Figure 7 be the schematic block circuit diagram of the receiving box of the utility model system, this circuit is provided with playback circuit 119 and transmission circuit 120, the power supply that adopts automobile cigarette lighter to provide is the normal power 121 of native system, when change-over swith 113 switches to contact point 125, voice signal by microphone 3 inputs is converted to electric signal through signal acquisition circuit 124, play back by loudspeaker 116 by playback circuit through antijamming blackout 123, sound output is more than or equal to 125mW/8 Ω, when change-over swith 113 switches to contact point 126, voice signal by microphone 3 inputs is converted to electric signal through signal acquisition circuit 124, send to wireless receiving earphone 2 through antijamming blackout 123 by radio transmitter 120, the power supply of this circuit is 8-12V, transmitting frequency is 59.9MHZ, and frequency deviation is 22.5KHZ, and emissive power is less than 1mW.
Fig. 8 is the functional block diagram of the reception earphone of the utility model system, the signal that sends from receiving box 1 is through FM reception circuit 212, amplifying by earphone horn 27 broadcasts, this circuit employing 3V battery 214 through audio amplifier circuit 213 again is power supply, receive frequency is 59.9MHZ, and receiving sensitivity is 20db/ μ W.
Fig. 9 is the circuit diagram of the receiving box of the utility model system.The core circuit of playback circuit 119 is to be an audio-frequency power amplifier, adopt integrated amplifier LM386 in the present embodiment, the sound signal that microphone 3 conversions come is amplified rear drive loudspeaker 116, and this circuit can make the power of loud speaker output greater than 125MW in the 0.3-3.4KHZ bandwidth.Transmission circuit 120 has adopted three transistors to realize that respectively audio frequency amplifies, and frequency multiplication and high frequency amplify three big functions, through voice signal that microphone collects after transistor 126 amplifications as the modulation signal of wireless transmission and control its frequency deviation and reach 22.5KHZ.Modulation signal is by DF1 varactor frequency modulation, realizes that by transistor 127 it is 59.90MHZ that frequencys multiplication make the frequency of transtation mission circuit, last high-frequency signal after transistor 128 amplifies by wireless transmission.Antijamming blackout 123 adopts two passive filters, inserts power supply and acquisition of signal mouth respectively and is used for suppressing the interference such as spark pulse of automotive engine generation to the native system reception.
Figure 10 is the circuit diagram of the wireless receiving earphone of the utility model system.TDA7088T is a real high frequency output, and the sound signal that demodulates from the monolithic frequency modulated receiver promotes the high resistance earphone after Q1 amplifies, guaranteed the good effect of answering.
Claims (7)
1. automobile-used hand-free mobile phone wireless device, comprise mobile phone, power supply, it is characterized in that: also have one with the player of this mobile phone with receiving device, this receiving device of sound wave connection be provided with microphone (3), with microphone (3) by the receiving box (1) that phono connector (34) is connected, be provided with signal acquisition circuit (124), playback circuit (119) in the described receiving box (1).
2. automobile-used hand-free mobile phone wireless device according to claim 1, it is characterized in that: also have the button switch (113) of a dpdt double-pole double-throw (DPDT), the cutter of described button switch (113) to be connected with signal acquisition circuit (124) in the described receiving box (1), double-throw reaches with playback circuit (119) respectively and is connected with the transmission circuit (120) of playback circuit parallel connection.
3. automobile-used hand-free mobile phone wireless device according to claim 2, it is characterized in that: described receiving device also comprises a wireless headset (2), this wireless headset (2) is connected with described transmission circuit (120) by electromagnetic wave.
4. automobile-used hand-free mobile phone wireless device according to claim 1 is characterized in that: the power supply that described power supply (121) adopts automobile cigarette lighter to provide.
5. automobile-used hand-free mobile phone wireless device according to claim 1 is characterized in that: described mobile phone is fixed on the appropriate location of car by handset mounting (4), and handset mounting (4) has the chassis (49) that can shelve mobile phone.
6. automobile-used hand-free mobile phone wireless device according to claim 5 is characterized in that: described appropriate location is the left end or the right-hand member of the wind-blocking glass of automobile.
7. automobile-used hand-free mobile phone wireless device according to claim 1 is characterized in that: described handset mounting also comprises an adsorbable sucker (48) on car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01253472 CN2509026Y (en) | 2001-09-05 | 2001-09-05 | Hand-free mobile telephone wireless apparatus for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01253472 CN2509026Y (en) | 2001-09-05 | 2001-09-05 | Hand-free mobile telephone wireless apparatus for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2509026Y true CN2509026Y (en) | 2002-09-04 |
Family
ID=33662964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01253472 Expired - Fee Related CN2509026Y (en) | 2001-09-05 | 2001-09-05 | Hand-free mobile telephone wireless apparatus for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2509026Y (en) |
-
2001
- 2001-09-05 CN CN 01253472 patent/CN2509026Y/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5642402A (en) | Hands free equipment | |
| CN204506758U (en) | Vehicle-mounted intelligent control system | |
| GB2331433A (en) | Hands-free Adapter for a Mobile Telephone | |
| US20040204163A1 (en) | Modular Modification of cellular phone handfree kit and the applications thereof | |
| US20030104843A1 (en) | Electronic audio accessory for use with automotive stereo loudspeakers | |
| CN2509026Y (en) | Hand-free mobile telephone wireless apparatus for vehicle | |
| US20110263301A1 (en) | Bluetooth Control System for Mobile Devices Used In A Car | |
| US5999801A (en) | Wireless rechargeable CB microphone | |
| CN201197139Y (en) | Telephone vehicle-mounted receiving device | |
| GB2331428A (en) | Vehicle audio system for cellular phone | |
| CN1592446A (en) | On-vehicle telephone device for automatically identifying and wireless connecting to mobile phone | |
| US20030148787A1 (en) | Method and apparatus for using an external audio system with a communication device | |
| CN101166036A (en) | Stereosonic blue tooth vehicle mounted hands-free device | |
| JP3022876U (en) | Freehand calling system for mobile phones | |
| CN2563872Y (en) | Hand held telephone car carried (desk type) device | |
| CN2666057Y (en) | Vehicle-carrying telephone apparatus of automatic recognition and wireless connecting with mobile phone | |
| CN2728147Y (en) | Vehicular handset loudspeaker | |
| CN2730029Y (en) | Vehicle mobile phone handfree and MP3 radio transmission broadcast device | |
| JP3050447U (en) | Car audio with hands-free function | |
| CN2297822Y (en) | Multifunctional wireless mobile telephone hand-held-free receiver | |
| CN2444820Y (en) | Wireless loudspeaking handfree device for mobile phone | |
| CN2506495Y (en) | Universal holding free receiver with radio receiving earphone | |
| CN2305809Y (en) | Radio communication switching device | |
| CN2631854Y (en) | No lift device of mobile telephone on board | |
| CN2563027Y (en) | Car carried FM transmitting and receiving device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |