CN201118573Y - Wireless earphone with wireless sound box function - Google Patents
Wireless earphone with wireless sound box function Download PDFInfo
- Publication number
- CN201118573Y CN201118573Y CNU2007201951067U CN200720195106U CN201118573Y CN 201118573 Y CN201118573 Y CN 201118573Y CN U2007201951067 U CNU2007201951067 U CN U2007201951067U CN 200720195106 U CN200720195106 U CN 200720195106U CN 201118573 Y CN201118573 Y CN 201118573Y
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- Prior art keywords
- circuit
- wireless
- sound box
- signal
- transmitter
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- Expired - Fee Related
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Abstract
The utility model relates to a pair of wireless earphones, in particular to a pair of wireless earphones with the function of a wireless sound box. The earphones include a transmitter and a receiver; wherein the transmitter includes a universal audio signal input circuit which is connected with a signal switching circuit, and the signal switching circuit is connected with a signal modulation circuit and a high-frequency amplifying circuit in sequence; the receiver includes a high-frequency amplifying circuit connected with an interference suppressor circuit, the high-frequency amplifying circuit is connected with a universal frequency modulation receiving and amplifying circuit which is connected with a signal gain control circuit, the signal gain control circuit is respectively connected with a sound box / earphones function switching circuit and a high-gain low-frequency amplifying circuit, and the high-gain low-frequency amplifying circuit is connected respectively with the wireless sound box and the earphones. The wireless earphones of the utility model has simple and light structure, stable and reliable property and complete functions.
Description
Technical field
The utility model relates to a kind of wireless headset, is specially a kind of wireless headset with wireless sound box function.
Background technology
Along with day by day popularizing of wireless headset, increasing people uses wireless headset to carry out online chat, or the wireless receiving television field frame.Existing on the market wireless headset generally all comprises the Receiver And Transmitter two-part structure, the implementation of wireless speech function is that microphone is placed in the emission body, and at antenna of the outside configuration separately of transmitter, transmitter must be with two lines, article one, be the microphone output line, another is a signal input line, has not only influenced that outward appearance is used but also inconvenient.Built-in microphone is subject to that housing disturbs and phenomenon that treadmill occurs, and pickup effect is poor; The antenna of configuration can in use bring inconvenience owing to there is long off-line separately.
Summary of the invention
The purpose of this utility model is to provide a kind of simple structure light and handy, stable and reliable for performance at the defective of existing wireless headset, and the wireless headset with wireless sound box function.
The technical solution of the utility model is as follows: a kind of wireless headset with wireless sound box function, comprise transmitter and receiver, transmitter comprises the General Audio signal input circuit, the audio signal input circuit is connected with signal switching circuit, and signal switching circuit connects signal modulation circuit and high-frequency amplifier circuit successively; Receiver comprises the high-frequency amplifier circuit that is connected with anti-jamming circuit, high-frequency amplifier circuit is connected with amplifying circuit with general FM reception, FM reception is connected with the signal gain control circuit with amplifying circuit, wherein, the signal gain control circuit of receiver is connected with audio amplifier/ear-phone function commutation circuit and high-gain low-frequency amplifier circuit respectively, the high-gain low-frequency amplifier circuit connects wireless sound box and earphone respectively, combines together to realize audio amplifier and earphone.
Aforesaid wireless headset with wireless sound box function, wherein, audio amplifier/ear-phone function commutation circuit is connected with change over switch, switches by the function between change over switch realization audio amplifier and the earphone.
Aforesaid wireless headset with wireless sound box function, wherein, the audio signal input circuit of transmitter is connected with external microphone.
Aforesaid wireless headset with wireless sound box function, wherein, the shared external line of external microphone connecting line and antenna and signal input line.
Aforesaid wireless headset with wireless sound box function wherein, is connected with the signal level display circuit on the audio signal input circuit of transmitter.
Wireless headset provided by the utility model removes and to have realized the wireless receiving sound source signal, easy to use outside, more possess the function of a tractor serves several purposes, make the consumer just realize that with an earphone function of earphone and audio amplifier changes, saved consumer cost.Simultaneously, this product has incorporated versatility electronic technology such as microphone amplification, level demonstration, audio monitoring, FM reception again, makes the utility model technology more valuable.
Description of drawings
Fig. 1 is the theory diagram of the utility model transmitter.
Fig. 2 is the theory diagram of the utility model receiver.
Fig. 3 is the circuit diagram of transmitter.
Fig. 4 is the circuit diagram of receiver.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail.
Wireless headset with wireless sound box function comprises transmitter and receiver, as shown in Figure 1, transmitter comprises the General Audio signal input circuit, and the audio signal input circuit is connected with signal switching circuit, and signal switching circuit connects signal modulation circuit and high-frequency amplifier circuit successively; The audio signal input circuit of transmitter is connected with external microphone, the shared external line of external microphone connecting line and antenna and signal input line; Also be connected with the signal level display circuit on the audio signal input circuit of transmitter.
As shown in Figure 2, receiver comprises the high-frequency amplifier circuit that is connected with anti-jamming circuit, high-frequency amplifier circuit is connected with amplifying circuit with general FM reception, FM reception is connected with the signal gain control circuit with amplifying circuit, wherein, the signal gain control circuit is connected with audio amplifier/ear-phone function commutation circuit and high-gain low-frequency amplifier circuit respectively, and the high-gain low-frequency amplifier circuit connects audio amplifier and earphone respectively.
The utility model has been realized purpose that wireless headset and wireless sound box are in the market combined together, make its a tractor serves several purposes, also correspondingly on circuit carried out the many places improvement, receiver has adopted the high-gain audio amplifier circuit, is provided with function switch, can change between the function of earphone and audio amplifier, can listen to separately or many people listen to jointly for a people, in addition, also be provided with the anti-interference antenna coil, improved signal gain.Transmitter is designed to external mode to the existing transmitting set built-in microphone mode in market, overcome built-in microphone and be subject to the housing interference and the shortcoming of treadmill and pickup effect difference, realized not only having made signal antenna but also having made the effect of signal input line with a wheat line, transmitter is an one independently, self do not have the long line (antenna) that drags, use convenient.Simultaneously on transmitter circuitry, designed anti-jamming circuit and high-gain audio amplifier circuit, improved the anti-interference of phonetic function greatly, improved signal to noise ratio, and installed level displaing circuit additional, had more the innervation of music at transmitter.
Claims (5)
1. wireless headset with wireless sound box function, comprise transmitter and receiver, transmitter comprises the General Audio signal input circuit, and the audio signal input circuit is connected with signal switching circuit, and signal switching circuit connects signal modulation circuit and high-frequency amplifier circuit successively; Receiver comprises the high-frequency amplifier circuit that is connected with anti-jamming circuit, high-frequency amplifier circuit is connected with amplifying circuit with general FM reception, FM reception is connected with the signal gain control circuit with amplifying circuit, it is characterized in that: the signal gain control circuit of receiver is connected with audio amplifier/ear-phone function commutation circuit and high-gain low-frequency amplifier circuit respectively, and the high-gain low-frequency amplifier circuit connects wireless sound box and earphone respectively.
2. the wireless headset with wireless sound box function as claimed in claim 1 is characterized in that: audio amplifier/ear-phone function commutation circuit is connected with change over switch.
3. the wireless headset with wireless sound box function as claimed in claim 1 is characterized in that: the audio signal input circuit of transmitter is connected with external microphone.
4. the wireless headset with wireless sound box function as claimed in claim 3 is characterized in that: the shared external line of external microphone connecting line and antenna and signal input line.
5. as claim 1 or 2 or 3 or 4 described wireless headsets, it is characterized in that: be connected with the signal level display circuit on the audio signal input circuit of transmitter with wireless sound box function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201951067U CN201118573Y (en) | 2007-11-06 | 2007-11-06 | Wireless earphone with wireless sound box function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201951067U CN201118573Y (en) | 2007-11-06 | 2007-11-06 | Wireless earphone with wireless sound box function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201118573Y true CN201118573Y (en) | 2008-09-17 |
Family
ID=39993167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201951067U Expired - Fee Related CN201118573Y (en) | 2007-11-06 | 2007-11-06 | Wireless earphone with wireless sound box function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201118573Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103297886A (en) * | 2012-11-27 | 2013-09-11 | 王卫东 | Zigbee adapter and earphone device including same |
-
2007
- 2007-11-06 CN CNU2007201951067U patent/CN201118573Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103297886A (en) * | 2012-11-27 | 2013-09-11 | 王卫东 | Zigbee adapter and earphone device including same |
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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: 20080917 Termination date: 20091207 |