CN206061022U - A kind of wireless audio and video transmission interface equipment of portable tape encryption function - Google Patents
A kind of wireless audio and video transmission interface equipment of portable tape encryption function Download PDFInfo
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- CN206061022U CN206061022U CN201621075209.5U CN201621075209U CN206061022U CN 206061022 U CN206061022 U CN 206061022U CN 201621075209 U CN201621075209 U CN 201621075209U CN 206061022 U CN206061022 U CN 206061022U
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Abstract
The utility model discloses a kind of wireless audio and video transmission interface equipment of portable tape encryption function, including transmitters and receivers, transmitter is successively comprising sender interface unit, decoding unit, ciphering unit, transmitter unit;Receptor includes receiving unit, decryption unit, decoding unit, receiver interface unit successively.After sender interface unit receives audio-video signal and is sent to decoding unit, decoding unit compiles it as digital signal and is sent to ciphering unit being encrypted, transmitter unit is then passed to, scrambled digital signal is converted to wireless signal transmission and is gone out by transmitter unit again;The receiving unit of receptor receives wireless signal and is simultaneously converted to scrambled digital signal, is decrypted after being sent to decryption unit, then, is sent to after decoding unit is converted to audio-video signal, is resent to receiver interface unit, finally, projects terminal.The characteristics of this utility model has easy to use and safe and efficient.
Description
Technical field
This utility model is related to the portable interface devices being wirelessly transferred, and particularly a kind of portable tape secret function is wireless
Coffret equipment.
Background technology
As science and technology is maked rapid progress and new technique, the application of new product, the application of various wireless devices is more and more, but
The field of projection of wireless audio and video is but made slow progress.At this stage, we generally carry out PPT demonstrations etc. activity when, Jing frequently with
The wire transmission such as VGA, DVI, HDMI interface equipment carries out audio frequency and video projection, and the mode of this kind of wire transmission audio frequency and video exists various
The limitation and inconvenience of various kinds.If realizing multiple audio-video source terminals(Such as computer etc.)It is connected to an audio frequency and video projection eventually
End(Such as projector etc.)When, need switching or reconnect;If audio-video source terminal farther out when, there is length in connecting line
It is not enough, cannot connect to the problems such as projecting terminal;Meanwhile, audio frequency and video projection terminal unit is not carried out to the data in audio frequency and video source
Safety verification, easily makes data without permission occur in projection terminal, there is potential safety hazard;Etc. these all show
The deficiency of line transmission.
The content of the invention
For the deficiency that the terminal unit of above-mentioned wire transmission is present, the purpose of this utility model is to provide a kind of band encryption
Function, the interface equipment that is wirelessly transferred audio frequency and video.By this equipment, audio-video source terminal unit linkup transmit device carries out sound and regards
The encryption of frequency, decoding and wireless transmission etc., audio frequency and video projection terminal connection receptor carry out reception of wireless signals, conversion, decryption,
Decoding etc., most audio-video signal is sent to projection terminal by wireless transmission method at last.
In order to achieve the above object, the technical solution of the utility model is realized as follows:
A kind of wireless audio and video transmission interface equipment of portable tape encryption function, including transmitters and receivers two are solely
Vertical device, transmitter include sender interface unit, decoding unit, ciphering unit, transmitter unit successively, and receptor is included successively
Receiving unit, decryption unit, decoding unit, receiver interface unit, wherein, sender interface unit is from multimedia audio-video source
Terminal receives audio-video signal, and audio-video signal is sent to decoding unit;Audio-video signal is compiled as by decoding unit
Digital signal, and digital signal is sent to into ciphering unit;Ciphering unit is encrypted to digital signal, and will encrypt number
Word signal is sent to transmitter unit;Scrambled digital signal is converted to wireless signal transmission and is gone out by transmitter unit;Receptor connects
Receive unit to receive wireless signal and be converted to scrambled digital signal, and scrambled digital signal is sent to into decryption unit;Decryption
Scrambled digital signal is decrypted by unit, and digital signal is sent to decoding unit;Digital signal decoding is sound by decoding unit
Video signal, and it is sent to receiver interface unit;Audio-video signal is sent to audio frequency and video projection eventually by receiver interface unit
End.
Preferably, the wireless audio and video transmission interface equipment of the portable tape encryption function, wherein, transmitter and reception
Device is mancarried device.
Preferably, the wireless audio and video transmission interface equipment of the portable tape encryption function, wherein, the transmission of transmitter
The receiving unit of unit and receptor is matched before audio-video signal transmission.
Preferably, the wireless audio and video transmission interface equipment of the portable tape encryption function, wherein, the reception of receptor
Unit before wireless signal transfer is carried out is authenticated to the transmitting element of transmitter and sets up secure connection.
Preferably, the wireless audio and video transmission interface equipment of the portable tape encryption function, wherein, the transmitting of transmitter
The receiving unit of unit and receptor adopts multiple wireless protocols.
Preferably, the wireless audio and video transmission interface equipment of the portable tape encryption function, wherein, receptor with
Multiple transmitters are matched.
Preferably, the wireless audio and video transmission interface equipment of the portable tape encryption function, wherein, multiple receptors with
One transmitter is matched.
This utility model is as a result of above-mentioned transmitters and receivers with encryption function and wireless transmission function two
Individual devices, than the advantage of prior art be:
1) transmitters and receivers are portable interface devices, easy to use;
2) receiving unit of the transmitter unit and receptor of transmitter can be matched, and safety is set up before being wirelessly transferred
Connection, using safe and efficient;
3) transmitter can match the multiple receptors of connection, and multiple transmitters can match one receptor of connection,
It is easy to use;
4) transmitter can be encrypted to the digital signal of audio frequency and video, and receptor can enter to scrambled digital signal
Row decryption processing, unsafe data deciphering failure will not be transferred to audio frequency and video projection terminal, safely and effectively.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Description of the drawings
Fig. 1 is transmitter architecture schematic diagram of the present utility model.
Fig. 2 is receiver architecture of the present utility model into schematic diagram.
Specific embodiment
Referring to Fig. 1 and Fig. 2, it is transmitters and receivers structural representation of the present utility model.Wherein, transmitter is wrapped successively
Unit containing sender interface, decoding unit, ciphering unit, transmitter unit;Receptor successively comprising receiving unit, decryption unit,
Decoding unit, receiver interface unit.After the interface equipment is started working, sender interface unit is from multimedia audio-video source end
Termination radio reception video signal, and audio-video signal is sent to into decoding unit;Audio-video signal is compiled as numeral by decoding unit
Signal, and digital signal is sent to into ciphering unit;Ciphering unit is encrypted to digital signal, and will encryption numeral letter
Number it is sent to transmitter unit;Scrambled digital signal is converted to wireless signal transmission and is gone out by transmitter unit;The reception list of receptor
Unit receives wireless signal and is converted to scrambled digital signal, and scrambled digital signal is sent to decryption unit;Decryption unit
Scrambled digital signal is decrypted, and digital signal is sent to into decoding unit;Digital signal decoding is audio frequency and video by decoding unit
Signal, and it is sent to receiver interface unit;Audio-video signal is sent to audio frequency and video projection terminal by receiver interface unit.
Specific embodiment of the utility model is above are only, those of ordinary skill in the art are being thought without departing from the technology of the present invention
Can there are many deformations and change on the basis of road, these apparent technical schemes for being formed are also contained in this utility model protection
Technical scope in.
Claims (7)
1. a kind of two independences of wireless audio and video transmission interface equipment of portable tape encryption function, including transmitters and receivers
Device, transmitter include sender interface unit, decoding unit, ciphering unit, transmitter unit successively, and receptor is included successively and connect
Receive unit, decryption unit, decoding unit, receiver interface unit, it is characterised in that
Sender interface unit receives audio-video signal from multimedia audio-video source terminal, and audio-video signal is sent to decoding
Unit;Audio-video signal is compiled as digital signal by decoding unit, and digital signal is sent to ciphering unit;Ciphering unit pair
Digital signal is encrypted, and scrambled digital signal is sent to transmitter unit;Scrambled digital signal is turned by transmitter unit
It is changed to wireless signal transmission to go out;
The receiving unit of receptor receives wireless signal and is converted to scrambled digital signal, and scrambled digital signal is sent to
Decryption unit;Scrambled digital signal is decrypted by decryption unit, and digital signal is sent to decoding unit;Decoding unit is by numeral
Signal is decoded as audio-video signal, and is sent to receiver interface unit;Audio-video signal is sent to by receiver interface unit
Audio frequency and video project terminal.
2. the wireless audio and video transmission interface equipment of portable tape encryption function as claimed in claim 1, it is characterised in that send out
Device and receptor is sent to be mancarried device.
3. the wireless audio and video transmission interface equipment of portable tape encryption function as claimed in claim 1, it is characterised in that send out
The receiving unit of the transmitting element and receptor of device is sent to be matched before audio-video signal transmission.
4. the wireless audio and video transmission interface equipment of portable tape encryption function as claimed in claim 1, it is characterised in that connect
The receiving unit of device is received before wireless signal transfer is carried out, the transmitting element of transmitter is authenticated and secure connection is set up.
5. the wireless audio and video transmission interface equipment of portable tape encryption function as claimed in claim 1, it is characterised in that send out
The receiving unit of the transmitter unit and receptor of device is sent to adopt multiple wireless protocols.
6. the wireless audio and video transmission interface equipment of portable tape encryption function as claimed in claim 1, it is characterised in that
Individual receptor is matched with multiple transmitters.
7. the wireless audio and video transmission interface equipment of portable tape encryption function as claimed in claim 1, it is characterised in that many
Individual receptor is matched with a transmitter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621075209.5U CN206061022U (en) | 2016-09-23 | 2016-09-23 | A kind of wireless audio and video transmission interface equipment of portable tape encryption function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621075209.5U CN206061022U (en) | 2016-09-23 | 2016-09-23 | A kind of wireless audio and video transmission interface equipment of portable tape encryption function |
Publications (1)
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CN206061022U true CN206061022U (en) | 2017-03-29 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201621075209.5U Active CN206061022U (en) | 2016-09-23 | 2016-09-23 | A kind of wireless audio and video transmission interface equipment of portable tape encryption function |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107241498A (en) * | 2017-06-01 | 2017-10-10 | 深圳京龙睿信科技有限公司 | A kind of mobile phone screen projects the method on automobile HUD |
CN112954673A (en) * | 2021-02-03 | 2021-06-11 | 深圳市长丰影像器材有限公司 | Encryption method for wireless microphone channel |
-
2016
- 2016-09-23 CN CN201621075209.5U patent/CN206061022U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107241498A (en) * | 2017-06-01 | 2017-10-10 | 深圳京龙睿信科技有限公司 | A kind of mobile phone screen projects the method on automobile HUD |
CN112954673A (en) * | 2021-02-03 | 2021-06-11 | 深圳市长丰影像器材有限公司 | Encryption method for wireless microphone channel |
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