CN201127026Y - Remote control type bluetooth vehicle mounted hands-free message equipment - Google Patents
Remote control type bluetooth vehicle mounted hands-free message equipment Download PDFInfo
- Publication number
- CN201127026Y CN201127026Y CNU2007201720541U CN200720172054U CN201127026Y CN 201127026 Y CN201127026 Y CN 201127026Y CN U2007201720541 U CNU2007201720541 U CN U2007201720541U CN 200720172054 U CN200720172054 U CN 200720172054U CN 201127026 Y CN201127026 Y CN 201127026Y
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- infrared
- bluetooth
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- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 abstract 2
- 230000000007 visual effect Effects 0.000 abstract 1
- 230000005236 sound signal Effects 0.000 description 5
- 241000209205 Coix Species 0.000 description 1
- 235000007354 Coix lacryma jobi Nutrition 0.000 description 1
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Abstract
The utility model discloses a remote controlled Bluetooth vehicle mounted hand-free calling apparatus, including a infrared remote controller, a host of the hand-free apparatus, Bluetooth earphone, wherein the infrared remote controller comprises an infrared transmission coding chip, a DC source, an infrared transmission part, the host comprises an infrared receiving head, an infrared decoding chip, an audio power amplifier, an echo eliminating circuit, a double-head, a loudspeaker, a connection member, the Bluetooth comprises a female terminal of the connection member, a Bluetooth circuit member. The utility model operates the hand-free apparatus of the Bluetooth telephone by using minimized infrared remote controller mounted on the steering wheel of the vehicle, has advantages of miniature in size, easy operation, and being unable to drive away visual line and concentration of driver.
Description
Technical field:
The utility model relates to a kind of distance type blue tooth vehicular hands-free message equipment.
Background technology:
The bluetooth telephone hands-free device of using on the present automobile, it receives calls, on-hook, tuning amount etc. all are need be with hand by the corresponding button on the hands-free device, but it is to shift driver's sight line and attentiveness with hand that a common drawback is wherein arranged on time, influences driver's normal driving.
The utility model is to utilize the Infrared remote controller that is contained on the vehicle steering to operate the bluetooth telephone hands-free device, receives calls, hangs up the telephone, regulates purposes such as volume to reach.
Summary of the invention:
Technical scheme to be solved in the utility model provides a kind of distance type blue tooth vehicular hands-free message equipment, the Infrared remote controller that utilization is contained on the vehicle steering is operated the bluetooth telephone hands-free device, receives calls, hangs up the telephone, regulates purposes such as volume to reach.
Below the utility model is specified.
The utility model comprises Infrared remote controller, hands-free device main frame, bluetooth earphone.Wherein Infrared remote controller comprises infrared transmitter coding chip, DC power supply, infrared emission part; The hands-free device main frame comprises infrared receiving terminal, infrared decoding Job's tears sheet, audio-frequency power amplifier, echo cancellation circuit coupling, two miaow head, loudspeaker, connector; Bluetooth earphone comprises connector female, Bluetooth circuit assembly.The infrared transmitter coding chip partly links to each other with infrared emission in the Infrared remote controller.In the hands-free device main frame, infrared receiving terminal links to each other with the infrared end of compiling chip of separating, infrared another output of volume chip of separating links to each other with connector, audio-frequency power amplifier respectively, and audio-frequency power amplifier links to each other with connector, echo cancellation circuit coupling and loudspeaker, and echo cancellation circuit coupling links to each other with two miaow heads.The connector female links to each other with the Bluetooth circuit assembly in the bluetooth earphone.
Be described further below in conjunction with accompanying drawing.
As say shown in Figure 1, the utility model comprises Infrared remote controller 1, bluetooth earphone 2, hands-free device main frame 3, wherein the hands-free device main frame 3, comprise infrared receiving terminal 3-1, infrared decoding chip 3-2, audio-frequency power amplifier 3-3, echo removing electrical equipment 3-4, two miaow head 3-5, loudspeaker 3-6, connector 3-7.Bluetooth earphone 2 comprises connector female 2-1, Bluetooth circuit assembly 2-2.
Infrared receiving terminal 3-1 and infrared decoding chip 3-2 input RXIN, the output Q1 of IR decoder answers by plug-in unit 3-7 and bluetooth earphone that key is corresponding to link to each other, Q2, Q3 regulates input W1 with the audio-frequency power amplifier volume respectively, W2 is corresponding to link to each other, the realization volume is regulated, the audio frequency output E1 of bluetooth earphone 2-2, E2 is by the W3 of connector female 2-1 and plug-in unit 3-7 and audio frequency power amplifier 3-3, W4 is corresponding to link to each other, simultaneously with the M4 of echo cancellation circuit coupling 3-4, M5 is corresponding to link to each other, and the audio output M3 of echo cancellation circuit coupling 3-4 links to each other with the miaow input E4 of tooth bluetooth earphone 2-2.
The small-sized Infrared remote controller that the utility model utilization is contained on the vehicle steering is operated the bluetooth telephone hands-free device, has that volume is little, easy to operate, an advantage such as the sight line that can not shift the driver and attentiveness.
Description of drawings
Fig. 1 is the utility model circuit theory diagrams.Among the figure:
1. Infrared remote controller
1-1: infrared transmitter coding chip
Vp: DC power supply (as battery)
1-2: infrared emission part
2. bluetooth earphone
2-1: connector female
2-2: Bluetooth circuit assembly
E1, E2: loudspeaker audio frequency output both positive and negative polarity port
E3: interface, on-hook, the multi-functional input control port of start
E4: miaow audio signal input end mouth
3. hands-free device main frame:
Vpp: DC power supply (as battery)
3-1: infrared receiving terminal
3-2: infrared decoding chip
RXIN: decoding chip signal input part
Q1: decoding chip is exported 1 end
Q2: decoding chip is exported 2 ends
Q3: decoding chip is exported 3 ends
3-3: audio-frequency power amplifier
W1: volume control input
W2: volume down control input end
W3, W4: audio signal input both positive and negative polarity port
W5: Audio output port
3-4: echo cancellation circuit coupling
M1, M2: two miaow head signal input parts
M3: audio signal output end
M4, M5: loudspeaker audio signal both positive and negative polarity input port
3-5: two miaow heads
3-6: loudspeaker
3-7: connector
Embodiment
When driver's cell phone incoming call jingle bell, the loudspeaker output E1 of bluetooth earphone 2, the audio signal of E2 is connected to the audio input end W3 of power amplifier 3-3 by plug-in unit female 2-1 correspondence, after W4 amplifies, push away merit loudspeaker 3-6 jingle bell by W5, the driver finishes the work of answering by the Infrared remote controller that is contained on the steering wheel, answer key K1, the code signal that Infrared remote controller is launched, simultaneously main frame infrared receiving terminal 3-1 receive the corresponding input RXIN decoding that infrared signal is input to decoding chip 3-2, the corresponding input E3 that corresponding output Q1 outputs a control signal to bluetooth earphone 2 finishes and passes through two miaow head 3-5 when the pickup feature driver talks, be input to echo cancellation circuit coupling 3-4 and after echo is handled, export the miaow input E4 of bluetooth earphone 2 to, be connected to mobile phone through blue teeth wireless again and finish conversation with the other side through the GSM net by M3.
Claims (2)
1. distance type blue tooth vehicular hands-free message equipment, it is characterized in that: described distance type blue tooth vehicular hands-free message equipment comprises Infrared remote controller, hands-free device main frame, bluetooth earphone; Wherein Infrared remote controller comprises infrared transmitter coding chip, DC power supply, infrared emission part; The hands-free device main frame comprises infrared receiving terminal, infrared decoding chip, audio-frequency power amplifier, echo cancellation circuit coupling, two miaow head, loudspeaker, connector; Bluetooth earphone comprises connector female, Bluetooth circuit assembly; The infrared transmitter coding chip partly links to each other with infrared emission in the Infrared remote controller; In the hands-free device main frame, infrared receiving terminal links to each other with the infrared end of compiling chip of separating, infrared another output of volume chip of separating links to each other with connector, audio-frequency power amplifier respectively, and audio-frequency power amplifier links to each other with connector, echo cancellation circuit coupling and loudspeaker, and echo cancellation circuit coupling links to each other with two miaow heads; The connector female links to each other with the Bluetooth circuit assembly in the bluetooth earphone.
2. according to the described distance type blue tooth vehicular of claims hands-free message equipment, it is characterized in that: infrared receiving terminal (3-1) and infrared decoding chip (3-2) input (RXIN), the output of IR decoder (Q1) answers by plug-in unit (3-7) and bluetooth earphone that key is corresponding to link to each other, (Q2), (Q3) regulate input (w1) with the audio-frequency power amplifier volume respectively, (w2) corresponding linking to each other, the audio frequency output (E1) of bluetooth earphone (2-2), (E2) by connector female (2-1) and plug-in unit (3-7) (w3) with audio frequency power amplifier (3-3), (w4) corresponding linking to each other, simultaneously with (M4) of echo cancellation circuit coupling (3-4), (M5) corresponding linking to each other, the audio output (M3) of echo cancellation circuit coupling (3-4) links to each other with the miaow input (E4) of bluetooth earphone (2-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201720541U CN201127026Y (en) | 2007-09-24 | 2007-09-24 | Remote control type bluetooth vehicle mounted hands-free message equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201720541U CN201127026Y (en) | 2007-09-24 | 2007-09-24 | Remote control type bluetooth vehicle mounted hands-free message equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201127026Y true CN201127026Y (en) | 2008-10-01 |
Family
ID=40000490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201720541U Expired - Fee Related CN201127026Y (en) | 2007-09-24 | 2007-09-24 | Remote control type bluetooth vehicle mounted hands-free message equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201127026Y (en) |
-
2007
- 2007-09-24 CN CNU2007201720541U patent/CN201127026Y/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081001 Termination date: 20100924 |