CN2537181Y - Free-lift phone recording device on board - Google Patents
Free-lift phone recording device on board Download PDFInfo
- Publication number
- CN2537181Y CN2537181Y CN 02226736 CN02226736U CN2537181Y CN 2537181 Y CN2537181 Y CN 2537181Y CN 02226736 CN02226736 CN 02226736 CN 02226736 U CN02226736 U CN 02226736U CN 2537181 Y CN2537181 Y CN 2537181Y
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- circuit
- vehicle
- recording
- mobile phone
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- Expired - Fee Related
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Abstract
The utility model discloses a free-lift phone device on a vehicle, which is composed of a mini head which is electrically connected with a cell phone, a loudspeaker and a circuit which is connected with a vehicle power supply. The utility model is characterized in that the device adopts semiautomatic duplex talking technology, the circuit also comprises a charging circuit, a power supply circuit, a power amplification circuit and a recording circuit, wherein the charging circuit is respectively connected with the power supply circuit and the cell phone, sound signals of the cell phone are amplified by a power amplifier, the sound signals are transmitted to the loudspeaker through a talking part and a talking circuit, driver's voice is transmitted to the cell phone through the mini head, a sound reproduction part and a recording part are all connected with the talking part in parallel, and the loudspeaker is also provided with an earplug socket which is connected with an earplug. Adopting the structure, important content said by the other party can be recorded, the utility model can charge for the cell phone, and the utility model can make a call without mutual interference. Simultaneously, the utility model can keep the content said by the other party as a secret.
Description
Technical field
The utility model relates to a kind of vehicle-carried hands-free telephone device.
Background technology
For the safety that guarantees that the driver makes a phone call in the process of moving, people have invented vehicle-mounted phone hands-free device, as application be 96207919, the applying date is that April 22, denomination of invention in 1996 are the hands-free mechanism of vehicle-mounted phone, it comprises the main shaft that is approximate 90 ° of bendings, the horizontal segment of main shaft can be installed on the retainer ring folder and the stay hook that the bending section of main shaft can be fixed in roof of roof, the end of main shaft bending section is equipped with earphone and the conjuncted phone of receiver.Also have other similar structures, its vehicle-carried hands-free telephone device all has common shortcoming, charging with converse between have mutual interference mutually, noise is big and echo occurs during conversation, uttering long and high-pitched sounds appears in the miaow head, the same circuit of the hands-free difficulty of vehicle-mounted recording of various model mobile phones, and its function is less.
Summary of the invention
The purpose of this utility model is to propose the vehicle-carried hands-free telephone device that a kind of speech quality height, function reach highly versatile entirely.
The utility model is to realize above-mentioned purpose in the following way: this vehicle-carried hands-free telephone device adopts semi-automatic duplexing communicating tech, reaches the circuit that joins with automobile power source by the miaow head that is connected with mobile phone, loud speaker and constitutes.It is characterized in that it also comprises playback part, conversation part, recording part, live part and miaow head amplifier section; Described circuit also comprises charging circuit, power supply circuits, power amplifier, recording circuit.Charging circuit is connected with mobile phone with power supply circuits respectively, and the voice signal of mobile phone amplifies through power amplifier by conversation part, speaking circuit passes to loud speaker, and driver's conversation is passed to mobile phone by the miaow head, and playback part, recording part all partly also connect with conversation.
Described loud speaker is provided with the plug that joins with the automobile power source cigarette lighter socket, and plug is connected by rotating shaft with body portion, which is provided with volume and regulates and recording playback sound button.
Also be provided with earphone jack on the described loud speaker, can connect earplug on it.
Also be provided with charging indicator light on the described charging circuit.
The beneficial effects of the utility model are: after adopting said structure, and the important content that the other side said under vehicle-mounted recording hands-free device can be recorded according to user's operation in communication process; Can give cell-phone charging simultaneously, also can converse, not disturb mutually; Avoid the driver to drive with the adept machine conversation of hand; Charged state has indication; Input voltage range is big; But loud speaker is lug machine one cover also, can secret the other side's speech content.
Description of drawings: be described further below in conjunction with drawings and Examples.
Figure 1 shows that circuit block diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model;
Fig. 3 is the utility model loud speaker contour structures schematic diagram.
Embodiment:
As shown in Figure 1, this vehicle-carried hands-free telephone device of the present utility model is by the miaow head that is electrically connected with mobile phone, loud speaker and the circuit formation of joining with automobile power source, it also comprises the playback part, the conversation part, the recording part, live part, described circuit comprises charging circuit, power supply circuits, charging circuit, power amplifier, recording circuit, charging circuit is in parallel with power supply circuits, connect with mobile phone, the voice signal of mobile phone is by the conversation part, speaking circuit is passed to loud speaker through the power amplifier amplification, conversation is passed to mobile phone by the miaow head, the playback part, the recording part is all in parallel with the conversation part; As shown in Figure 3, loud speaker is provided with the plug (1) that joins with the automobile power source cigar lighter, plug (1) is connected by rotating shaft (3) with matrix (2) part, plug (1) part can be rotated in 90 degree scopes with matrix (2) part, its matrix (2) side is provided with volume and regulates button (4), and the front is provided with recording playback sound button (5), and the loud speaker sidepiece also is provided with earphone jack, can plug in the earphone maintaining secrecy when guaranteeing conversation in case of necessity.
In specific embodiment of the utility model shown in Figure 2 is the circuit theory diagrams of NOKIA3310 type, it has comprised above-mentioned charging circuit, power supply circuits, charging circuit, power amplifier, the concrete circuit of recording circuit, be provided with charging indicator light in its charging circuit, headset plug is NOKIA 8210 type headset plugs, its resistance R 1, R2 resistance 15K Ω, resistance R 3, R4, R5, R6, R7, R8, R9, the R10 resistance is 2.2K Ω, R11, the R12 resistance is 4.7K Ω, the resistance of R13 to R20 is 3.9K Ω, R21, the resistance of R22 is 1.5K Ω, the resistance of R23 to R25 is 1K Ω, and the resistance of R27 to R28 is 1OHM, and the resistance of R29 to R31 is 47K Ω, resistance R 26 resistance 200K Ω, resistance R 32 resistances are 28OHM, and resistance R 33 resistances are 100OHM, and the resistance of R34 to R36 is 560 Ω; Capacitor C 1 to C6 is 0.1UF, and capacitor C 7 is 470P, and capacitor C 8 is 220UF, capacitor C 9, C10 are 100UF, and capacitor C 11 to C13 and C17, C18 are 10UF, and capacitor C 14 is 102P, capacitor C 15, C16 are that 223P capacitor C 20, C21 are 473P, and capacitor C 19 is 0.022UF.
Claims (4)
1. vehicle-carried hands-free telephone device, by the miaow head that is connected with mobile phone, loud speaker and the circuit formation of joining with automobile power source, it is characterized in that, it also comprises the playback part, the conversation part, the recording part, live part and miaow head amplifier section, described circuit also comprises charging circuit, power supply circuits, power amplifier, recording circuit, charging circuit is connected with mobile phone with power supply circuits are in parallel, the voice signal of mobile phone is by the conversation part, speaking circuit, pass to loud speaker through the power amplifier amplification, driver's conversation is passed to mobile phone by the miaow head, speaking circuit and mobile phone series connection in parallel with recording circuit.
2. vehicle-carried hands-free telephone device according to claim 1 is characterized in that described loud speaker is provided with the plug that joins with the automobile power source cigarette lighter socket, and plug is connected by rotating shaft with body portion, which is provided with volume and regulates and recording playback sound button.
3. vehicle-carried hands-free telephone device according to claim 1 is characterized in that described device also comprises an earplug, also has earphone jack on the loud speaker, can connect earplug on it.
4. vehicle-carried hands-free telephone device according to claim 1 is characterized in that, also is provided with charging indicator light on the described charging circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02226736 CN2537181Y (en) | 2002-04-09 | 2002-04-09 | Free-lift phone recording device on board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02226736 CN2537181Y (en) | 2002-04-09 | 2002-04-09 | Free-lift phone recording device on board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2537181Y true CN2537181Y (en) | 2003-02-19 |
Family
ID=33703676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02226736 Expired - Fee Related CN2537181Y (en) | 2002-04-09 | 2002-04-09 | Free-lift phone recording device on board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2537181Y (en) |
-
2002
- 2002-04-09 CN CN 02226736 patent/CN2537181Y/en not_active Expired - Fee Related
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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 |