CN206349993U - Wireless intercom equipment, system and hyperchaos encrypting and decrypting device - Google Patents
Wireless intercom equipment, system and hyperchaos encrypting and decrypting device Download PDFInfo
- Publication number
- CN206349993U CN206349993U CN201720042854.5U CN201720042854U CN206349993U CN 206349993 U CN206349993 U CN 206349993U CN 201720042854 U CN201720042854 U CN 201720042854U CN 206349993 U CN206349993 U CN 206349993U
- Authority
- CN
- China
- Prior art keywords
- hyperchaos
- encrypting
- random sequence
- synchronous
- equipment
- 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
Abstract
The utility model embodiment provides a kind of wireless intercom equipment, system and hyperchaos encrypting and decrypting device, is related to secret communication field.The equipment includes microphone, phonetic entry filter circuit, analog-to-digital conversion module, hyperchaos encrypting and decrypting device and the RF transceivers coupled successively.The equipment also includes voice output filter circuit and receiver.The voice output filter circuit is coupled with the analog-to-digital conversion module.The receiver is coupled with the voice output filter circuit.The analog-to-digital conversion module is used for modulus and the digital-to-analogue conversion of voice signal.The hyperchaos encrypting and decrypting device is used for encryption and decryption to audio digital signals, is realized with this and voice signal is encrypted and decrypted, and improves the antijamming capability during transmitting voice signal, the safety in enhanced speech signal transmission.
Description
Technical field
The utility model is related to secret communication field, in particular to a kind of wireless intercom equipment, system and hyperchaos
Encrypting and decrypting device.
Background technology
Wireless intercom system has maneuverability, easy to operate, and voice delivery is quick, the characteristics of Applied economy, is to realize
Production scheduling automates the basic means with management modernization.The information of existing intercom system is easy to reveal because intercepted,
But the intercom system in the place such as bank, company, government bodies is related to the important contents such as a large amount of amount of money, technology secret, it is necessary to very
High reliability and confidentiality.
In terms of the current correlative study to wireless intercom system is mainly around efficiency of transmission, scope, the transmission to system
The research of safety is not comprehensive.
Utility model content
The purpose of this utility model is to provide a kind of wireless intercom equipment, system and hyperchaos encrypting and decrypting device,
It can improve above mentioned problem.To achieve these goals, the technical scheme that the utility model is taken is as follows：
In a first aspect, the utility model embodiment provides a kind of wireless intercom equipment, the equipment includes coupling successively
Microphone, phonetic entry filter circuit, analog-to-digital conversion module, hyperchaos encrypting and decrypting device and RF transceivers.The equipment
Also include voice output filter circuit and receiver.The voice output filter circuit is coupled with the analog-to-digital conversion module.Institute
Receiver is stated to couple with the voice output filter circuit.The analog-to-digital conversion module is used for the modulus of voice signal and digital-to-analogue turns
Change.The hyperchaos encrypting and decrypting device is used for encryption and decryption to audio digital signals.
In the utility model preferred embodiment, above-mentioned analog-to-digital conversion module includes A/D converter and D/A is changed
Device.The hyperchaos encrypting and decrypting device includes hyperchaos encrypting module and hyperchaos deciphering module.The RF transceivers point
Do not coupled with the hyperchaos encrypting module, the hyperchaos deciphering module.The A/D converter respectively with the phonetic entry
Filter circuit, hyperchaos encrypting module coupling.The D/A converter respectively with the hyperchaos deciphering module, institute's predicate
Sound output filter circuit is coupled.The A/D converter is used to analog voice signal being converted to audio digital signals.The D/A
Converter is used to audio digital signals being converted to analog voice signal.The hyperchaos encrypting module is used for the digital language
Message number is encrypted.The hyperchaos deciphering module is used to solve the audio digital signals that the RF transceivers are received
It is close.
In the utility model preferred embodiment, above-mentioned hyperchaos encrypting module includes ultra-chaos pseudo random sequence
Device, synchronous control unit and synchronous insertion unit.The ultra-chaos pseudo random sequence generator is coupled with the A/D converter.
The synchronous control unit is coupled with the ultra-chaos pseudo random sequence generator, the synchronous insertion unit respectively.It is described same
Step insertion unit is coupled with the ultra-chaos pseudo random sequence generator, the A/D converter respectively.The ultra-chaos pseudo random
Sequencer is used to produce pseudo-random sequence.The synchronous control unit is used to produce synchronizing signal.The synchronous insertion is single
Member is used for the relevant position that the synchronizing signal is inserted into cipher-text information stream.
In the utility model preferred embodiment, above-mentioned deciphering module includes the ultra-chaos pseudo random sequence generator
And synchronous detection unit.The synchronous detection unit and the RF transceiver couples.The ultra-chaos pseudo random sequence occurs
Device is coupled with the D/A converter.The cipher-text information that the synchronous detection unit is used to receive RF transceivers is carried out in real time
Detection.
In the utility model preferred embodiment, the said equipment also includes password setting unit.The password sets single
Member is coupled with the synchronous control unit, synchronous detection unit respectively.The password setting unit is used to set password.
In the utility model preferred embodiment, the said equipment also includes power supply.
In the utility model preferred embodiment, the said equipment also includes shell.
Second aspect, the utility model embodiment provides a kind of wireless intercom system, including two above-mentioned equipment.Two
By being wirelessly transferred between individual equipment.
The third aspect, the utility model embodiment provides a kind of hyperchaos encrypting and decrypting device, including hyperchaos it is pseudo- with
Machine sequencer, synchronous control unit and synchronous insertion unit.The synchronous control unit respectively with the hyperchaos it is pseudo- with
Machine sequencer, the synchronous insertion unit coupling.The ultra-chaos pseudo random sequence and the synchronous insertion unit coupling.
In the utility model preferred embodiment, said apparatus also includes synchronous detection unit.The synchronous detection is single
It is first to be coupled with the ultra-chaos pseudo random sequence generator.
The utility model provides a kind of wireless intercom equipment, system and hyperchaos encrypting and decrypting device, the equipment bag
Include the microphone coupled successively, phonetic entry filter circuit, analog-to-digital conversion module, hyperchaos encrypting and decrypting device and RF transmitting-receivings
Device.The equipment also includes voice output filter circuit and receiver.The voice output filter circuit and the analog-to-digital conversion
Module is coupled.The receiver is coupled with the voice output filter circuit.The analog-to-digital conversion module is used for the mould of voice signal
Number and digital-to-analogue conversion.The hyperchaos encrypting and decrypting device is used for encryption and decryption to audio digital signals, is realized pair with this
Voice signal is encrypted and decrypted, and the antijamming capability during transmitting voice signal is improved, in enhanced speech signal transmission
Safety.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
A kind of structured flowchart for wireless intercom equipment that Fig. 1 provides for the utility model first embodiment；
The structured flowchart for another wireless intercom equipment that Fig. 2 provides for the utility model first embodiment；
A kind of environment applied to wireless intercom system that Fig. 3 provides for the utility model second embodiment；
Another environment applied to wireless intercom system that Fig. 4 provides for the utility model second embodiment.
In figure：100- wireless intercom equipments；110- microphones；120- phonetic entry filter circuits；130- analog-to-digital conversion modules；
132-A/D converters；134-D/A converters；140- hyperchaos encrypting and decrypting devices；141- ultra-chaos pseudo random sequences occur
Device；142- synchronous control units；143- synchronously inserts unit；144- the first XOR units；145- synchronous detection units；146-
Two XOR units；150-RF transceivers；160- voice output filter circuits；170- receivers；180- password setting units；200-
Two wireless intercom equipments；The microphones of 210- second；220- the second phonetic entry filter circuits；The analog-to-digital conversion modules of 230- second；
240- the second hyperchaos encrypting and decrypting devices；The RF transceivers of 250- the 2nd；260- the second voice output filter circuits；270- second
Receiver；300- channels.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
, it is necessary to which explanation, term " first ", " second " etc. are only used for distinguishing description in description of the present utility model,
And it is not intended that indicating or implying relative importance.
In description of the present utility model, in addition it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in utility model.
First embodiment
Fig. 1 is refer to, a kind of wireless intercom equipment 100 is present embodiments provided, its microphone 110 for including coupling successively,
Phonetic entry filter circuit 120, analog-to-digital conversion module 130, hyperchaos encrypting and decrypting device 140 and RF transceivers 150.It is described
Wireless intercom equipment 100 also includes voice output filter circuit 160 and receiver 170.The voice output filter circuit 160 with
The analog-to-digital conversion module 130 is coupled.The receiver 170 is coupled with the voice output filter circuit 160.
The microphone 110 is used to collect voice signal.User can be by the microphone 110 to the wireless intercom equipment
100 speeches.What the phonetic entry filter circuit 120 was used to filter out in addition to the voice signal that microphone 110 enters unnecessary lengthy and jumbled makes an uproar
Acoustical signal.The voice output filter circuit 160 is used to filter out unwanted noise.The receiver 170 hears that voice is believed for user
Number.
The analog-to-digital conversion module 130 is used for modulus and the digital-to-analogue conversion of voice signal.The hyperchaos encrypting and decrypting dress
Putting 140 is used for the encryption and decryption to audio digital signals.
Fig. 2 is refer to, the analog-to-digital conversion module 130 includes A/D converter 132 and D/A converter 134.In this reality
Apply in example, the D/A converter 134 can be TLC5615, and the A/D converter 132 can be TLC1543.The hyperchaos
Encrypting and decrypting device 140 includes hyperchaos encrypting module and hyperchaos deciphering module.The hyperchaos encrypting module be used for pair
The audio digital signals are encrypted.The hyperchaos deciphering module is used for the numeral received to the RF transceivers 150
Voice signal is decrypted.The RF transceivers 150 respectively with the hyperchaos encrypting module, the hyperchaos deciphering module coupling
Close.The A/D converter 132 is coupled with the phonetic entry filter circuit 120, the hyperchaos encrypting module respectively.It is described
D/A converter 134 is coupled with the hyperchaos deciphering module, the voice output filter circuit 160 respectively.The A/D conversions
Device 132 is used to analog voice signal being converted to audio digital signals.The D/A converter 134 is used for audio digital signals
Be converted to analog voice signal.
The hyperchaos encrypting and decrypting device 140 is the core for ensureing secrecy reliability in the wireless intercom equipment 100
Part.In order to realize the encryption to voice signal of the wireless intercom equipment 100, the hyperchaos encrypting module includes hyperchaos
Pseudo-random sequence generator 141, synchronous control unit 142 and synchronous insertion unit 143.The ultra-chaos pseudo random sequence hair
Raw device 141 is coupled with the A/D converter 132.The synchronous control unit 142 is sent out with the ultra-chaos pseudo random sequence respectively
Raw device 141, the synchronous insertion unit 143 are coupled.The synchronous insertion unit 143 respectively with the ultra-chaos pseudo random sequence
Generator 141, the A/D converter 132 are coupled.The ultra-chaos pseudo random sequence generator 141 is used to produce pseudorandom sequence
Row.The synchronous control unit 142 is used to produce synchronizing signal.The synchronous insertion unit 143 is used for the synchronizing signal
It is inserted into the relevant position of cipher-text information stream.
The hyperchaos encrypting and decrypting device 140 can also include the first XOR unit 144, the first XOR unit
144 couple with the A/D converter 132, ultra-chaos pseudo random sequence generator 141, synchronous insertion unit 143 respectively.It is described
The voice digital signal that first XOR unit 144 exports the A/D converter is produced with ultra-chaos pseudo random sequence generator 141
Raw pseudo-random sequence signal does XOR, then the cipher-text information after XOR is sent into the synchronous insertion unit
143.The synchronous control unit 142 produces synchronizing signal.The synchronizing signal is inserted into institute by the synchronous insertion unit 143
The anterior locations of the relevant position such as cipher-text information of cipher-text information are stated, the encryption to audio digital signals is realized, then by described
RF transceivers 150 are sent.
In order to realize the decryption to voice signal of the wireless intercom equipment 100, the hyperchaos deciphering module includes institute
Ultra-chaos pseudo random sequence generator 141 and synchronous detection unit 145 are stated, the synchronous detection unit 145 is received with the RF
Hair device 150 is coupled.The ultra-chaos pseudo random sequence generator 141 is coupled with the D/A converter 134, the synchronous detection
The cipher-text information that unit 145 is used to receive RF transceivers 150 carries out detection synchronizing signal in real time.
The hyperchaos encrypting and decrypting device 140 can also include the second XOR unit 146.The second XOR unit
146 couple with the D/A converter 134, ultra-chaos pseudo random sequence generator 141, synchronous detection unit 145 respectively.It is described
RF transceivers 150 receive encryption audio digital signals, and synchronous detection unit 145 is detected in the encryption audio digital signals
Synchronizing signal, the synchronizing signal is isolated, and the synchronizing signal is sent to the ultra-chaos pseudo random sequence generator
141.The ultra-chaos pseudo random sequence generator 141 produces the pseudorandom sequence synchronous with the encryption audio digital signals received
Column signal is simultaneously sent to the second XOR unit 146.The second XOR unit 146, which is also received, removes adding for synchronizing signal
The encryption audio digital signals and the pseudo-random sequence signal that remove synchronizing signal are done XOR fortune by close audio digital signals
Calculate, realize and be converted to analog voice signal to encrypting the decryption of audio digital signals, and being sent to D/A converter 134, then pass through
The filtering process of voice output filter circuit 160, finally exports the voice received by receiver 170.
As a kind of embodiment, the hyperchaos encrypting and decrypting device 140 is realized by fpga chip.It is preferred that
Ground, fpga chip is xc6slx16 the chips serial Spartan-6 of Xilin companies.FPGA (Field-Programmable
Gate Array), i.e. field programmable gate array, it is further sent out on the basis of the programming devices such as PAL, GAL, CPLD
The product of exhibition.It is that occur as a kind of semi-custom circuit in application specific integrated circuit (ASIC) field, and it is fixed both to have solved
The deficiency of circuit processed, overcomes the limited shortcoming of original programming device gate circuit number again.FPGA is with hardware description language
(Verilog or VHDL) completes circuit design, can quickly be burned onto on FPGA and surveyed by simple comprehensive and layout
Examination, is the technology main flow of modern IC designs checking.These editable elements can be used to realize the gate electricity that some are basic
Road (such as AND, OR, XOR, NOT) or more more complicated combination function such as decoder or mathematical equation.Most of
FPGA inside, in these editable elements also comprising memory cell such as trigger (Flip-flop) or other more
Complete block of memory.
The RF transceivers 150 have long transmission distance, the stable advantage of performance, for sending and receiving digital speech letter
Number.
In order to further improve the security reliability of voice transfer, the wireless intercom equipment 100 can also include close
Code setting unit 180.Password setting unit 180 is coupled with the synchronous control unit 142, synchronous detection unit 145 respectively.Institute
Stating password setting unit 180 is used to set password.For example, the password setting unit 180 can be realized by button.
On the one hand, the password that the wireless intercom equipment 100 is pre-set by the password setting unit 180 is added to
In the synchronizing sequence that the synchronous control unit 142 is produced.
On the other hand, before the wireless intercom equipment 100 communicates, synchronous detection unit 145 is additionally operable to verify close in advance
Whether code is correct, and password correctly could set up connection, be communicated.It thus is avoided that third party steals secret.
In addition, the wireless intercom equipment 100 can also include power supply.Power supply is that the wireless intercom equipment 100 is energized.
The wireless intercom equipment 100 can also include shell.Above-mentioned each electronic equipment assembly is encapsulated in the shell.
The operation principle for the wireless intercom equipment 100 that the utility model is provided is as follows：
In a first aspect, microphone 110 collects the voice signal of user, after the filtering process of phonetic entry filter circuit 120,
By A/D converter 132, the voice digital signal that the first XOR unit 144 exports the A/D converter 132 is with surpassing
The pseudo-random sequence signal that chaos pseudo random sequence generator 141 is produced does XOR, then the ciphertext after XOR is believed
Breath is sent to the synchronous insertion unit 143.The synchronous control unit 142 produces synchronizing signal.The synchronous insertion unit
143 are inserted into the synchronizing signal anterior locations of the relevant position such as cipher-text information of the cipher-text information, realize to numeral
The encryption of voice signal, then sent by the RF transceivers 150.
Second aspect, the RF transceivers 150 receive encryption audio digital signals, the detection of synchronous detection unit 145 institute
State the synchronizing signal in encryption audio digital signals, isolate the synchronizing signal, and the synchronizing signal is sent to described
Ultra-chaos pseudo random sequence generator 141.The ultra-chaos pseudo random sequence generator 141 produces the encryption numeral with receiving
The synchronous pseudo-random sequence signal of voice signal is simultaneously sent to the second XOR unit 146.The second XOR unit 146 is also
The encryption audio digital signals for removing synchronizing signal are received, the encryption audio digital signals and the puppet of synchronizing signal will be removed
Random sequence signal does XOR, realizes and is changed to encrypting the decryption of audio digital signals, and being sent to D/A converter 134
For analog voice signal, then by the filtering process of voice output filter circuit 160, the language received is finally exported by receiver 170
Sound.
The utility model provide wireless intercom equipment 100, including couple successively microphone 110, phonetic entry filtered electrical
Road 120, analog-to-digital conversion module 130, hyperchaos encrypting and decrypting device 140 and RF transceivers 150.The wireless intercom equipment
100 also include voice output filter circuit 160 and receiver 170.The voice output filter circuit 160 and the analog-to-digital conversion
Module 130 is coupled.The receiver 170 is coupled with the voice output filter circuit 160.The analog-to-digital conversion module 130 is used for
The modulus of voice signal and digital-to-analogue conversion.The hyperchaos encrypting and decrypting device 140 be used for the encryptions of audio digital signals with
Decryption, is realized with this and voice signal is encrypted and decrypted, and improves the antijamming capability during transmitting voice signal, is strengthened
Safety in transmitting voice signal.With higher security and confidentiality, ambient noise can be effectively reduced to intercommunication
The influence of quality, stable work in work, simple structure, cost is low, it is easy to accomplish.Be particularly suitable for use in bank, company, government bodies
Etc. need higher reliability, confidentiality place.
Second embodiment
Fig. 3 is refer to, a kind of wireless intercom system is present embodiments provided, applied in the environment shown in Fig. 3, such as Fig. 3
Shown, the system includes the wireless intercom equipment 200 of wireless intercom equipment 100 and second.The wireless intercom equipment 100 with
Second wireless intercom equipment 200 is wirelessly transferred by channel 300, realizes intercommunication.
Second wireless intercom equipment 200 has identical structure with the wireless intercom equipment 100.It refer to Fig. 4,
Second wireless intercom equipment 200 includes the second microphone 210, the second phonetic entry filter circuit 220, second coupled successively
Analog-to-digital conversion module 230, the second hyperchaos encrypting and decrypting device 240 and the 2nd RF transceivers 250.Second wireless talkback
Equipment 200 can also include the second voice output filter circuit 260 and the second receiver 270.The second voice output filtering
Circuit 260 is coupled with second analog-to-digital conversion module 230.Second receiver 270 and the second voice output filtered electrical
Road 260 is coupled.Second analog-to-digital conversion module 230 is used for modulus and digital-to-analogue conversion to voice signal.It is described the second super mixed
Ignorant encrypting and decrypting device 240 is used for encryption and decryption to audio digital signals.
The wireless intercom equipment 100 can both encrypt transmission voice signal, can also decrypt reception voice signal.Similarly,
Second wireless intercom equipment 200 can both encrypt transmission voice signal, can also decrypt reception voice signal.Wireless talkback is set
Standby 100 select consistent channel 300 by RF transceivers 150, the second wireless intercom equipment 200 by the 2nd RF transceivers 250
Connection, realizes intercommunication.For example, using wireless intercom equipment 100 as sender, the second wireless intercom equipment 200 as recipient,
Wireless intercom equipment 100 is adjusted to by RF transceivers 150, the second wireless intercom equipment 200 by the 2nd RF transceivers 250
Identical channel 300, by wireless connection, carries out sending and receiving for voice.
Microphone 110 collects the voice signal of the first user, after the filtering process of phonetic entry filter circuit 120, passes through
A/D converter 132, voice digital signal and hyperchaos that the first XOR unit 144 exports the A/D converter 132
The pseudo-random sequence signal that pseudo-random sequence generator 141 is produced does XOR, then the cipher-text information after XOR is sent out
It is sent to the synchronous insertion unit 143.The synchronous control unit 142 produces synchronizing signal.The synchronous insertion unit 143 will
The synchronizing signal is inserted into the anterior locations of the relevant position such as cipher-text information of the cipher-text information, realizes and digital speech is believed
Number encryption, then sent by the RF transceivers 150.
2nd RF transceivers 250 receive the encryption audio digital signals of the transmission of wireless intercom equipment 100, the second hyperchaos
Encrypting and decrypting device 240 is realized to be converted to encrypting the decryption of audio digital signals, and being sent to the second analog-to-digital conversion module 230
Analog voice signal, then by the filtering process of the second voice output filter circuit 260, reception is finally exported by the second receiver 270
The voice arrived, the voice that the first user sends is heard with this second user.
It should be noted that second wireless intercom equipment 200 has identical knot with the wireless intercom equipment 100
Structure and technique effect, in order to briefly describe, structure does not refer to part in the second wireless intercom equipment 200, refers to first real
Apply corresponding contents in example.
A kind of wireless intercom system that the utility model is provided, the system includes wireless intercom equipment 100 and second
Wireless intercom equipment 200.The wireless intercom equipment 100 carries out nothing with second wireless intercom equipment 200 by channel 300
Line is transmitted, and realizes intercommunication.With higher security and confidentiality.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of wireless intercom equipment, it is characterised in that microphone, phonetic entry filter circuit, modulus including coupling successively turn
Change the mold block, hyperchaos encrypting and decrypting device and RF transceivers；The equipment also includes voice output filter circuit and receiver,
The voice output filter circuit is coupled with the analog-to-digital conversion module, the receiver and the voice output filter circuit coupling
Close, the analog-to-digital conversion module be used for voice signal modulus and digital-to-analogue conversion, the hyperchaos encrypting and decrypting device be used for pair
The encryption and decryption of audio digital signals.
2. equipment according to claim 1, it is characterised in that the analog-to-digital conversion module includes A/D converter and D/A
Converter, the hyperchaos encrypting and decrypting device includes hyperchaos encrypting module and hyperchaos deciphering module, the RF transmitting-receivings
Device is coupled with the hyperchaos encrypting module, the hyperchaos deciphering module respectively, the A/D converter respectively with the voice
Input filter circuit, the hyperchaos encrypting module coupling, the D/A converter respectively with the hyperchaos deciphering module, institute
Predicate sound output filter circuit is coupled, and the A/D converter is used to analog voice signal being converted to audio digital signals, described
D/A converter is used to audio digital signals being converted to analog voice signal, and the hyperchaos encrypting module is used for the number
Word voice signal is encrypted, and the hyperchaos deciphering module is used to enter the audio digital signals that the RF transceivers are received
Row decryption.
3. equipment according to claim 2, it is characterised in that the hyperchaos encrypting module includes ultra-chaos pseudo random sequence
Row generator, synchronous control unit and synchronous insertion unit, the ultra-chaos pseudo random sequence generator and the A/D converter
Coupling, the synchronous control unit is coupled with the ultra-chaos pseudo random sequence generator, the synchronous insertion unit respectively, institute
State synchronous insertion unit to couple with the ultra-chaos pseudo random sequence generator, the A/D converter respectively, the hyperchaos is pseudo-
Random sequence generator is used to produce pseudo-random sequence, and the synchronous control unit is used to produce synchronizing signal, and the synchronization is inserted
Enter the relevant position that unit is used to being inserted into the synchronizing signal into cipher-text information stream.
4. equipment according to claim 3, it is characterised in that the deciphering module includes the ultra-chaos pseudo random sequence
Generator and synchronous detection unit, the synchronous detection unit and the RF transceiver couples, the ultra-chaos pseudo random sequence
Row generator is coupled with the D/A converter, and the synchronous detection unit is used to enter the cipher-text information that RF transceivers are received
Row detection in real time.
5. equipment according to claim 4, it is characterised in that the equipment also includes password setting unit, the password
Setting unit is coupled with the synchronous control unit, synchronous detection unit respectively, and the password setting unit is used to set password.
6. equipment according to claim 1, it is characterised in that the equipment also includes power supply.
7. equipment according to claim 1, it is characterised in that the equipment also includes shell.
8. a kind of wireless intercom system, it is characterised in that the equipment including two as described in claim any one of 1-7, two
By being wirelessly transferred between equipment.
9. a kind of hyperchaos encrypting and decrypting device, it is characterised in that including ultra-chaos pseudo random sequence generator, Synchronization Control list
Member and synchronous insertion unit, the synchronous control unit respectively with the ultra-chaos pseudo random sequence generator, described synchronous insert
Enter unit coupling, the ultra-chaos pseudo random sequence and the synchronous insertion unit coupling.
10. device according to claim 9, it is characterised in that described device also includes synchronous detection unit, the synchronization
Detection unit is coupled with the ultra-chaos pseudo random sequence generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720042854.5U CN206349993U (en) | 2017-01-13 | 2017-01-13 | Wireless intercom equipment, system and hyperchaos encrypting and decrypting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720042854.5U CN206349993U (en) | 2017-01-13 | 2017-01-13 | Wireless intercom equipment, system and hyperchaos encrypting and decrypting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206349993U true CN206349993U (en) | 2017-07-21 |
Family
ID=59324335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720042854.5U Expired - Fee Related CN206349993U (en) | 2017-01-13 | 2017-01-13 | Wireless intercom equipment, system and hyperchaos encrypting and decrypting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206349993U (en) |
-
2017
- 2017-01-13 CN CN201720042854.5U patent/CN206349993U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103826221B (en) | Encryption communication method, related system and method based on bluetooth | |
| CN101014060B (en) | Voice encryption method for GSM handset with anti longterm prediction rule pulse excitation compression coding | |
| WO2008129546A2 (en) | Voice encryption device | |
| CN104581712A (en) | Encryption communication method and system of mobile terminal | |
| CN101227279A (en) | Device, system and method for encrypting and deciphering audio signal | |
| CN103051444A (en) | Quantum security digital terminal applied to PSTN (Public Switched Telephone Network) | |
| CN112182624A (en) | Encryption method, encryption device, storage medium and electronic equipment | |
| CN102075321A (en) | Mobile communication end-to-end voice encryption Bluetooth handheld device and voice encryption method | |
| CN206349993U (en) | Wireless intercom equipment, system and hyperchaos encrypting and decrypting device | |
| CN101631304A (en) | Anti-adaptive multi-rate coding third-generation mobile communication end-to-end voice encryption method | |
| CN110312253A (en) | A kind of method for network access, apparatus and system | |
| CN102307346B (en) | Method for security of mobile phone communication and security mobile phone | |
| US6990198B2 (en) | Apparatus and method for securing communication information in CDMA communication system | |
| CN204761537U (en) | Implement mobile communication anti -eavesdrop system of encryption and decryption in bluetooth headset end | |
| CN106331282A (en) | Mobile phone communication anti-eavesdropping system for implementing encryption and decryption on Bluetooth earphone side | |
| CN106961330A (en) | Quantum key service station | |
| CN104952467B (en) | A kind of mobile terminal and its method for playing audio file | |
| CN206932228U (en) | Quantum key service station | |
| CN106487761A (en) | A kind of method for message transmission and the network equipment | |
| CN202818616U (en) | Voice communication device and system | |
| CN105900373A (en) | Wireless communication system, communication terminal, security management server, device management server, and wireless communication method therein | |
| CN212064264U (en) | Voice communication system with encryption and decryption functions | |
| CN208924218U (en) | A kind of intercom based on block chain technology | |
| CN107248898B (en) | Multiline message chaos encrypting method and its device based on multireel wave signal | |
| CN106961287A (en) | Secrecy intercom based on quantum cryptography |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170721 Termination date: 20180113 |