CN201063829Y - Bluetooth earphone - Google Patents
Bluetooth earphone Download PDFInfo
- Publication number
- CN201063829Y CN201063829Y CNU2007200527621U CN200720052762U CN201063829Y CN 201063829 Y CN201063829 Y CN 201063829Y CN U2007200527621 U CNU2007200527621 U CN U2007200527621U CN 200720052762 U CN200720052762 U CN 200720052762U CN 201063829 Y CN201063829 Y CN 201063829Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- bluetooth
- voltage stabilizing
- power supply
- power management
- 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
- 230000005236 sound signal Effects 0.000 claims abstract description 3
- 230000000087 stabilizing Effects 0.000 claims description 20
- 239000003990 capacitor Substances 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 5
- 230000001808 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000002093 peripheral Effects 0.000 description 1
Abstract
The utility model relates to the earphone technical field, in particular to a pair of clip type stereo Bluetooth earphone, which is provided with a display screen removable from the earphone to perform the functions of a cellphone extension. The utility model mainly comprises a Bluetooth part, a power management circuit, an RF part, a crystal oscillator, a displaying part and an audio processing circuit. The Bluetooth part is connected with the RF part, the crystal oscillator, the displaying part and the audio processing circuit. The power management circuit supplies the Bluetooth part, the RF part, the displaying part and the audio processing circuit (6) with power provided by the battery. The utility model is also provided with a microphone and a pair of earphones, wherein the audio signals of the microphone switched by the audio socket are connected with the Bluetooth part via the microphone signal input circuit; and the earphones are connected with the Bluetooth part via the audio socket and the audio processing circuit. The power management circuit supplies the microphone signal input circuit with power provided by the battery. The Bluetooth earphone of the utility model can be used as a pair of earphones or a cellphone extension, so the utility model is widely applicable to Bluetooth earphones.
Description
Technical field
The utility model relates to the earphone technical field, especially refers to a kind of clamp type I tech clip S that can break away from the band display screen of earphone cord realization mobile phone handset function.
Background technology
Present existing I tech clip S generally can be divided into wear-type and clamp type, and the clamp type I tech clip S is because it is easy to carry, multiple functional and more popular with users; Aforementioned bluetooth earphone generally is made up of antenna, Bluetooth chip, power management part, polymer battery, display screen, audio socket, earphone cord, shell etc., inserts the audio socket interface by earphone cord and listens to the music or carry out mobile phone communication; But existing clamp type I tech clip S must just can be finished mobile phone communication by the line that plugs in the earphone, and does not break away from the function of earphone cord and realization mobile phone handset.
The utility model content
The technical problem that the utility model solves is to provide a kind of and can overcomes aforementioned disadvantages, can break away from the clamp type I tech clip S of earphone cord and realization mobile phone handset function.
Technical problem of the present utility model is achieved by the following technical solution: mainly include bluetooth part, electric power management circuit, RF part, crystal oscillator, display part and audio frequency processing circuit; The bluetooth part links to each other with RF part, crystal oscillator, display part and audio frequency processing circuit; Electric power management circuit is powered the power supply that battery provides to bluetooth part, RF part, display part and audio frequency processing circuit; In addition, also be provided with microphone and receiver; Described microphone partly links to each other with bluetooth through the microphone signal input circuit by the audio signal that audio socket switches, and receiver partly links to each other with bluetooth by audio socket, audio frequency processing circuit; Electric power management circuit is powered the power supply that battery provides to the microphone signal input circuit.
Be provided with the filter circuit that inductance constitutes between described microphone and the microphone signal input circuit.
Described audio frequency processing circuit is connected with the audio socket that can connect the stereophone line by coupling capacitance.
Described RF partly partly links to each other with bluetooth behind the filter circuit by elements such as capacitor C 4, C5, L5 composition.
Described electric power management circuit connects 2.8V voltage stabilizing circuit and 3.3V voltage stabilizing circuit respectively by shunt capacitance C3, C8, and the 2.8V voltage stabilizing circuit passes through to give the power supply of microphone signal input circuit after inductance L 4, capacitor C 11 filtering; 3.3V voltage stabilizing circuit partly powers and to the display part power supply for after by shunt capacitance C7 bluetooth, and constitutes the bluetooth reset circuit by connecting resistance R 1; Electric power management circuit connects the 7.5V booster circuit by resistance R 2, powers to the display part by shunt capacitance C10 after boosting again.
The utility model by built-in microphone and receiver, realize to break away from earphone cord and as the function of mobile phone handset on traditional clamp type I tech clip S; Available this handset receives calls, the clawback incoming call, portable handheld, clear loud and clear.The user both can listen to the music and carried out mobile phone communication by the line that plugs in the earphone, and also can pull up earphone cord and hand-held this kind of light and handy bluetooth earphone, made bluetooth earphone finish mobile phone communication as the handset of mobile phone, thereby satisfied the different demands of user under different situations.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified:
Fig. 1 is a functional-block diagram of the present utility model;
Fig. 2 is a circuit diagram of the present utility model.
The explanation of accompanying drawing figure number
Bluetooth part 1 electric power management circuit 2
RF part 3 crystal oscillators 4
Display part 5 audio frequency processing circuits 6
Microphone 7 receivers 8
Microphone signal input circuit 9 audio sockets 10
Battery 11
Embodiment
See accompanying drawing 1,2, the utility model mainly includes bluetooth part 1, electric power management circuit 2, RF part 3, crystal oscillator 4, display part 5, audio frequency processing circuit 6, microphone 7, receiver 8 and microphone signal input circuit 9; Link to each other with RF part 3 behind the filter circuit of bluetooth part 1 by elements such as capacitor C 4, C5, L5 composition; Thereby realize wireless connections and carry out information exchange by RF part 3 and peripheral hardware.In addition, bluetooth part 1 connects crystal oscillator 4, display part 5, audio frequency processing circuit 6, microphone signal input circuit 9 etc. respectively; The crystal oscillator 4 that is connected provides reference frequency for it.
Microphone 7 links to each other with bluetooth part 1 by audio socket 10, microphone signal input circuit 9, and the filter circuit of inductance L 1, L2, L3 formation can be set between microphone 7 and the microphone signal input circuit 9; Make bluetooth part 1 handle and finally to send to the signal that obtains from microphone 7.
Receiver 8 links to each other with bluetooth part 1 by audio socket 10, audio frequency processing circuit 6; Signal is sent into receiver 8 through behind the audio frequency processing circuit 6, and receiver 8 sends after the signal of telecommunication is transformed into voice signal; Simultaneously, audio frequency processing circuit 6 is connected with audio socket 10 by coupling capacitance; After inserting stereophone, cut off the sound of receiver 8, thereby can realize the function of external stereophone line.
3.7V polymer battery 11 is responsible for to each module for power supply by electric power management circuit 2, be specifically: electric power management circuit 2 connects 2.8V voltage stabilizing circuit and 3.3V voltage stabilizing circuit respectively by shunt capacitance C3, C8, and the 2.8V voltage stabilizing circuit passes through to give the microphone signal input circuit 9 power supplies after inductance L 4, capacitor C 11 filtering; 3.3V voltage stabilizing circuit is powered and powered to display part 5 by giving bluetooth part 1 behind the shunt capacitance C7, and by connecting resistance R 1 formation bluetooth reset circuit; Electric power management circuit 2 connects the 7.5V booster circuit by resistance R 2, gives the display part 5 power supplies by shunt capacitance C10 again after boosting; Meanwhile, electric power management circuit 2 also directly gives audio frequency processing circuit 6 power supplies.
Display part 5 of the present utility model is OLED (Organic Light Emitting Display) display screen, can clearly show the number of the other side when various operating states are sent a telegram here fine and smoothly; And, can preserve nearest ten times incoming calls record automatically by being provided with of software, and the incoming call that is write down is carried out clawback.
Above stated specification is the description to the utility model preferred embodiment; Be not the restriction to the utility model protection range, all those skilled in the art all should belong to protection range of the present utility model according to the equivalents that aforementioned description can obtain.
Claims (8)
1. a bluetooth earphone mainly includes: bluetooth part (1), electric power management circuit (2), RF part (3), crystal oscillator (4), display part (5) and audio frequency processing circuit (6); Bluetooth part (1) links to each other with RF part (3), crystal oscillator (4), display part (5) and audio frequency processing circuit (6); Electric power management circuit (2) is powered the power supply that battery (11) provides to bluetooth part (1), RF part (3), display part (5) and audio frequency processing circuit (6); It is characterized in that: also be provided with microphone (7) and receiver (8); Described microphone (7) links to each other with bluetooth part (1) through microphone signal input circuit (9) by the audio signal that audio socket (10) switches, and receiver (8) links to each other with bluetooth part (1) by audio socket (10), audio frequency processing circuit (6); Electric power management circuit (2) is powered the power supply that battery (11) provides to microphone signal input circuit (9).
2. bluetooth earphone according to claim 1 is characterized in that: be provided with the filter circuit that inductance constitutes between described microphone (7) and the microphone signal input circuit (9).
3. bluetooth earphone according to claim 1 and 2 is characterized in that: described audio frequency processing circuit (6) is connected with the audio socket (10) that can connect the stereophone line by coupling capacitance.
4. bluetooth earphone according to claim 1 and 2 is characterized in that: link to each other with bluetooth part (1) behind the filter circuit that described RF part (3) is formed by elements such as capacitor C 4, C5, L5.
5. bluetooth earphone according to claim 1 and 2, it is characterized in that: described electric power management circuit (2) connects 2.8V voltage stabilizing circuit and 3.3V voltage stabilizing circuit respectively by shunt capacitance C3, C8, and the 2.8V voltage stabilizing circuit passes through to give microphone signal input circuit (9) power supply after inductance L 4, capacitor C 11 filtering; 3.3V voltage stabilizing circuit passes through to give bluetooth part (1) power supply and power for display part (5) behind the shunt capacitance C7, and constitutes the bluetooth reset circuit by connecting resistance R 1; Electric power management circuit (2) connects the 7.5V booster circuit by resistance R 2, gives display part (5) power supply by shunt capacitance C10 again after boosting.
6. bluetooth earphone according to claim 3 is characterized in that: link to each other with bluetooth part (1) behind the filter circuit that described RF part (3) is formed by elements such as capacitor C 4, C5, L5.
7. bluetooth earphone according to claim 3, it is characterized in that: described electric power management circuit (2) connects 2.8V voltage stabilizing circuit and 3.3V voltage stabilizing circuit respectively by shunt capacitance C3, C8, and the 2.8V voltage stabilizing circuit passes through to give microphone signal input circuit (9) power supply after inductance L 4, capacitor C 11 filtering; 3.3V voltage stabilizing circuit passes through to give bluetooth part (1) power supply and power for display part (5) behind the shunt capacitance C7, and constitutes the bluetooth reset circuit by connecting resistance R 1; Electric power management circuit (2) connects the 7.5V booster circuit by resistance R 2, gives display part (5) power supply by shunt capacitance C10 again after boosting.
8. bluetooth earphone according to claim 4, it is characterized in that: described electric power management circuit (2) shunt capacitance C3, C8 connect 2.8V voltage stabilizing circuit and 3.3V voltage stabilizing circuit respectively, and the 2.8V voltage stabilizing circuit passes through to give microphone signal input circuit (9) power supply after inductance L 4, capacitor C 11 filtering; 3.3V voltage stabilizing circuit passes through to give bluetooth part (1) power supply and power for display part (5) behind the shunt capacitance C7, and constitutes the bluetooth reset circuit by connecting resistance R 1; Electric power management circuit (2) connects the 7.5V booster circuit by resistance R 2, gives display part (5) power supply by shunt capacitance C10 again after boosting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200527621U CN201063829Y (en) | 2007-06-15 | 2007-06-15 | Bluetooth earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200527621U CN201063829Y (en) | 2007-06-15 | 2007-06-15 | Bluetooth earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201063829Y true CN201063829Y (en) | 2008-05-21 |
Family
ID=39452216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200527621U Expired - Fee Related CN201063829Y (en) | 2007-06-15 | 2007-06-15 | Bluetooth earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201063829Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719964B (en) * | 2009-11-27 | 2012-10-10 | 中兴通讯股份有限公司 | Mobile terminal and Power management method thereof |
| CN103200482A (en) * | 2013-04-09 | 2013-07-10 | 北京兴科迪科技有限公司 | Solar charging-type Bluetooth headset and vehicle provided with same |
| CN103200483A (en) * | 2013-04-09 | 2013-07-10 | 北京兴科迪科技有限公司 | Bluetooth headset of capacitance distance sensing switch control and vehicle provided with headset |
| CN103220592A (en) * | 2013-04-28 | 2013-07-24 | 青岛歌尔声学科技有限公司 | Headsets and key control method thereof |
-
2007
- 2007-06-15 CN CNU2007200527621U patent/CN201063829Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719964B (en) * | 2009-11-27 | 2012-10-10 | 中兴通讯股份有限公司 | Mobile terminal and Power management method thereof |
| CN103200482A (en) * | 2013-04-09 | 2013-07-10 | 北京兴科迪科技有限公司 | Solar charging-type Bluetooth headset and vehicle provided with same |
| CN103200483A (en) * | 2013-04-09 | 2013-07-10 | 北京兴科迪科技有限公司 | Bluetooth headset of capacitance distance sensing switch control and vehicle provided with headset |
| CN103200482B (en) * | 2013-04-09 | 2016-06-29 | 北京兴科迪科技有限公司 | Solar charging type Bluetooth earphone and the vehicle equipped with this bluetooth earphone |
| CN103220592A (en) * | 2013-04-28 | 2013-07-24 | 青岛歌尔声学科技有限公司 | Headsets and key control method thereof |
| CN103220592B (en) * | 2013-04-28 | 2015-10-28 | 青岛歌尔声学科技有限公司 | A kind of earphone and key control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Xie Rong Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080521 Termination date: 20090715 |