CN202738030U - Digital short distance wireless communication equipment and a system formed by the digital short distance wireless communication equipment - Google Patents
Digital short distance wireless communication equipment and a system formed by the digital short distance wireless communication equipment Download PDFInfo
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- CN202738030U CN202738030U CN2012202781577U CN201220278157U CN202738030U CN 202738030 U CN202738030 U CN 202738030U CN 2012202781577 U CN2012202781577 U CN 2012202781577U CN 201220278157 U CN201220278157 U CN 201220278157U CN 202738030 U CN202738030 U CN 202738030U
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- wireless communication
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Abstract
The utility model discloses digital short distance wireless communication equipment and a system formed by the digital short distance wireless communication equipment, and the equipment is provided with: audio/video recording units used for recording analog audio/video signals; an analog-digital conversion unit used for converting the analog audio/video signals to digital audio/video signals; and a digital short distance wireless transmit-receive module used for short distance transmitting and receiving the digital audio/video signals. The analog-digital conversion unit and the digital short distance wireless transmit-receive module are arranged in the equipment, digital short distance audio/video transmit-receive is realized, compared with conventional analog short distance communication mode, signal fidelity and confidentiality are both greatly improved. A short distance wireless communication system is formed by the digital short distance wireless communication equipment; and because the digital short distance wireless communication equipment is provided with route function, route selective communication in the system is realized.
Description
Technical field
The utility model relates to the digital equipment for short-distance wireless communication, is specifically related to the digital short distance radio communication system of a kind of digital short-range wireless communication apparatus and composition thereof.
Background technology
Existing for the digital equipment that waits acoustic image admission, short haul connection on duty, the typing of many employing analog signals, its short haul connection also adopts the analog signal transmission standard, the signal distortion rate of analog signal transmission standard, reduction rate have obvious defective with respect to the digital data transmission standard, and be unfavorable for that signal receiving end carries out signal and recovers, restore as far as possible the primary signal that transmitting terminal is enrolled, the signal transmission attenuation that causes will cause the information communication error between signal admission end and the signal receiving end.And, the analog signal transmission standard that above-mentioned short haul connection digital equipment adopts, signal security is poor in the transmission course, is easily stolen by unauthorized device.
In actual applications, be used for the digital equipment of acoustic image admission, short haul connection that waits on duty usually with a plurality of appearance, form a short range communication systems, the broadcast communication forms that adopt in existing more, also be that the signal that arbitrary unit sends in the system will be broadcasting directed to intrasystem other all devices unit, do not possess routing function.A certain unit can't realize with system in some or a plurality of units optionally communicate by letter.
The utility model content
The purpose of this utility model is to overcome above-mentioned weak point of the prior art, a kind of digital short-range wireless communication apparatus is provided, this equipment adopts digital short-distance wireless transceiver module, the reception of signal is all adopted digital standard with transmission, has improved fidelity and the confidentiality of signal in the short haul connection.
The utility model purpose realizes by the following technical solutions: digital short-range wireless communication apparatus is provided with:
The audio/video admission unit that is used for admission simulation audio/video signal;
Be used for to simulate the AD conversion unit that audio/video signal is converted to digital audio/video signal;
Be used for logarithm word tone/vision signal and carry out the digital short-distance wireless transceiver module of short-distance transceiving;
Described audio/video admission unit is connected with the AD conversion unit signal, and the number conversion unit is connected with digital short-distance wireless transceiver module signal.
Concrete, described digital short-distance wireless transceiver module is the RF(radio frequency) transceiver module, bluetooth transceiver module etc. adopt the wireless communication unit of digital system short-distance transmission.
Preferably, described audio/video admission unit is receiver.
More preferred, this digital short-range wireless communication apparatus is provided with PTT (PTT) unit.
This digital short-range wireless communication apparatus also is provided with image admission unit, and image admission unit is connected with AD conversion unit.
This digital short-range wireless communication apparatus also is provided with in order to the data-interface that carries out data interaction with peripheral data storage and fetch equipment, specifically can be USB interface etc., and the storage of described peripheral data and fetch equipment can be PC etc.Peripheral data storage and fetch equipment and this digital short-range wireless communication apparatus can carry out uplink and downlink communication, wherein the downlink communication mode is: peripheral data is stored and fetch equipment issues audio frequency, video data enters this digital short-distance wireless communication through USB interface and establishes, after converting digital signal to by AD conversion unit, outwards send through digital short-distance wireless transceiver module; The uplink communication mode is the inverse process of above-mentioned downlink communication mode.
For so that this digital short-range wireless communication apparatus possesses routing function, this digital short-range wireless communication apparatus also is provided with routing unit and Route Selection enter key, described routing unit is situated between and is connected between AD conversion unit and the digital short-distance wireless transceiver module, routing unit also is connected with the Route Selection input key signal, receives concrete Route Selection input instruction.
A kind of digital short distance radio communication system, formed by a plurality of above-mentioned digital short-range wireless communication apparatus, the concrete Route Selection instruction of the Route Selection enter key of single digital short-range wireless communication apparatus input is to routing unit, and digital short-distance wireless transceiver module sends digital signal corresponding other one or more digital short-range wireless communication apparatus in the system according to the concrete routing iinformation of routing unit.
The utility model has the following advantages and beneficial effect compared to existing technology:
The digital short-range wireless communication apparatus of the utility model is used for the short haul connection occasion, especially acoustic image evidence obtaining transmission on duty, intercom occasion, by AD conversion unit and digital short-distance wireless transceiver module are set in equipment, realized digital short distance audio/video transmitting-receiving, than traditional simulation short haul connection mode, signal fidelity and confidentiality all are greatly improved.Simultaneously, USB interface can be set, with peripheral data storage and fetch equipment coming source and reading end as audio/video.By the short distance radio communication system that the digital short-range wireless communication apparatus of the utility model forms, owing in the digital short-range wireless communication apparatus of the utility model, routing function being set, realized intrasystem Route Selection communication.
Description of drawings
Fig. 1 is the structural representation of the digital short-range wireless communication apparatus of the utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but execution mode of the present utility model is not limited to this.
Embodiment
As shown in Figure 1, digital short-range wireless communication apparatus is provided with:
The audio/video admission unit that is used for admission simulation audio/video signal;
Be used for to simulate the AD conversion unit that audio/video signal is converted to digital audio/video signal;
Be used for logarithm word tone/vision signal and carry out the digital short-distance wireless transceiver module of short-distance transceiving; Described audio/video admission unit is connected with the AD conversion unit signal, and the number conversion unit is connected with digital short-distance wireless transceiver module signal;
PTT (PTT) unit;
Image admission unit, image admission unit is connected with AD conversion unit;
Routing unit and Route Selection enter key, described routing unit are situated between and are connected between AD conversion unit and the digital short-distance wireless transceiver module, and routing unit also is connected with the Route Selection input key signal, receive concrete Route Selection input instruction;
Above-mentioned AD conversion unit and routing unit all are arranged on the center-control chip in the equipment.
This digital short-range wireless communication apparatus also is provided with in order to the data-interface that carries out data interaction with peripheral data storage and fetch equipment, specifically can be USB interface etc., and the storage of described peripheral data and fetch equipment can be PC etc.Peripheral data storage and fetch equipment and this digital short-range wireless communication apparatus can carry out uplink and downlink communication, wherein the downlink communication mode is: peripheral data is stored and fetch equipment issues audio frequency, video data enters this digital short-distance wireless communication through USB interface and establishes, after converting digital signal to by AD conversion unit, outwards send through digital short-distance wireless transceiver module; The uplink communication mode is the inverse process of above-mentioned downlink communication mode.
Digital short-distance wireless transceiver module is the RF(radio frequency) transceiver module, bluetooth transceiver module etc. adopt the wireless communication unit of digital system short-distance transmission.
Audio/video admission unit is receiver.
A kind of digital short distance radio communication system, formed by a plurality of above-mentioned digital short-range wireless communication apparatus, the concrete Route Selection instruction of the Route Selection enter key of single digital short-range wireless communication apparatus input is to routing unit, and digital short-distance wireless transceiver module sends digital signal corresponding other one or more digital short-range wireless communication apparatus in the system according to the concrete routing iinformation of routing unit.
Above-described embodiment is the better execution mode of the utility model; but execution mode of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection range of the present utility model.
Claims (7)
1. digital short-range wireless communication apparatus is characterized in that, is provided with:
The audio/video admission unit that is used for admission simulation audio/video signal;
Be used for to simulate the AD conversion unit that audio/video signal is converted to digital audio/video signal;
Be used for logarithm word tone/vision signal and carry out the digital short-distance wireless transceiver module of short-distance transceiving;
Described audio/video admission unit is connected with the AD conversion unit signal, and the number conversion unit is connected with digital short-distance wireless transceiver module signal.
2. described digital short-range wireless communication apparatus according to claim 1, it is characterized in that: described digital short-distance wireless transceiver module is RF transceiver module or bluetooth transceiver module.
3. described digital short-range wireless communication apparatus according to claim 1 is characterized in that: originally be provided with the PTT unit.
4. described digital short-range wireless communication apparatus according to claim 3, it is characterized in that: also be provided with image admission unit, image admission unit is connected with AD conversion unit.
5. described digital short-range wireless communication apparatus according to claim 4 is characterized in that: also be provided with the data-interface in order to carry out data interaction with peripheral data storage and fetch equipment.
6. according to claim 1 to the described digital short-range wireless communication apparatus of 5 any one, it is characterized in that: also be provided with routing unit and Route Selection enter key, described routing unit is situated between and is connected between AD conversion unit and the digital short-distance wireless transceiver module, and routing unit also is connected with the Route Selection input key signal.
7. the digital short distance radio communication system that is comprised of the claims 6 described digital short-range wireless communication apparatus is characterized in that: be comprised of a plurality of above-mentioned digital short-range wireless communication apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202781577U CN202738030U (en) | 2012-06-12 | 2012-06-12 | Digital short distance wireless communication equipment and a system formed by the digital short distance wireless communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202781577U CN202738030U (en) | 2012-06-12 | 2012-06-12 | Digital short distance wireless communication equipment and a system formed by the digital short distance wireless communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202738030U true CN202738030U (en) | 2013-02-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202781577U Expired - Fee Related CN202738030U (en) | 2012-06-12 | 2012-06-12 | Digital short distance wireless communication equipment and a system formed by the digital short distance wireless communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202738030U (en) |
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2012
- 2012-06-12 CN CN2012202781577U patent/CN202738030U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20150612 |
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| EXPY | Termination of patent right or utility model |