Multi-functional digital encrypting telephone The invention relates to a multifunctional digit encrypt telephone, which comprises a filter circuit, the first A/D-D/A converter, a coder/decoder, the second A/D-D/A converter, one power...
Mobile phone scrambler and its privacy communication method
This invention relates to a mobile phone crypto suitable for realizing security voice and data communication of mobile communication network and PSTN including a handheld terminal set in...
Interference unit applied in network exchanger An interference unit installed in network switch comprises noise generator, isolation coupler, analog-digital (A/D) processor, MCU processor, analog signal synthesizer, and signal adder. ...
7
200520045250
Interference unit in network exchanger The utility model discloses an interference unit installed in network switch, which comprises noise generator, isolation coupler, analog-digital (A/D) processor, MCU processor, and signal...
8
200520045255
Interference unit suitable for network exchanger An interference unit installed in network switch comprises noise generator, isolation coupler, analog signal synthesizer, and signal adder. The input signal from different network line ou...
9
200520045254
Interference unit The utility model discloses an interference unit installed in network switch, which comprises a plurality of isolation couplers, and an analog signal synthesizer. The input terminal of ea...
10
200580021506
QKD system network QKD system networks ( 50, 200, 300 ) and methods of communicating between end-users (P 1 , P 2 ) over same are disclosed. An example QKD system network includes a first QKD station (A 1 )...
Image processing method An image processing method includes inputting electronic image data to be scrambled, decomposing the input electronic image data into n colors (n is an integer) and producing m pieces of ...
13
200580016910
Key bank systems and methods for QKD Key banking methods and systems for quantum key distribution (QKD) are disclosed. A method of the invention includes establishing a primary key bank (50) that stores perfectly secure keys...
Signal isolator for mobile telephone The utility model discloses a signal isolator for mobile telephone, which comprises outer casing, external receiving antenna, external transmitting antenna, electromagnetic signal receive...
16
200510020785
Mobile telephone signal isolator
The signal isolator for mobile phone includes casing, external receiving antenna, external emitting antenna, electromagnetic signal receiver, electromagnetic interference signal emitter ...
17
200580014080
Managed credential issuance In a method of issuing a credential (168) , a request (114) for issuance of the credential is received (112) . Next, a unique identification (120) for the requested credential is assigned...
18
200510074171
Universal microphone for secure radio communication A microphone unit comprising a voice input for receiving a voice input signal, an analog to digital converter for creating a digital signal from voice signal, a voice coding device for cr...
19
200580015321
Method and apparatus for decrypting a communication A decryption apparatus (109) comprises a key stream generator (111) generating a local decryption key stream. It furthermore comprises a synchronisation value receiver (201) receiving key...
20
200580006763
Modulator autocalibration methods for qkd Methods for calibrating the modulators in a QKD system (100) are disclosed. The methods include setting the voltage (VB) of Bob
21
200580006761
Modulator timing for quantum key distribution Methods for establishing modulator timing for a QKD system (100) having QKD stations (Alice, Bob) with respective modulators (MA, MB) are disclosed. The timing method includes exchanging ...
22
200580006377
Method of managing digital rights A method of managing digital rights in a network without a central license server where each instance of the program broadcasts its identification into the network, and any instance of th...
23
200580002328
Watermarks/signatures for wireless communications At least one user data stream is layer 2/3 processed, physical layer processed and radio frequency processed. A watermark/signature is embedded at at least one of layer 2/3, physical laye...
Asset planning and tracking A asset planning and tracking system plans and tracks progress towards a savings goal and analyzes the consumption of assets that are being used to satisfy the savings goal. The system ma...
29
200480040385
Enhanced natural Montgomery exponent masking This invention relates to a method and apparatus for masking messages subject to exponentiation in a secure cryptographic device subject to a chosen-message attack for the purpose of disc...
30
200410091204
Automatic system for power distribution
The system includes following parts: control center connected to Internet and control terminal, and through Internet, control terminal is able to connect to the control center; mobile co...
31
200410082300
Remote control apparatus for a saddle-type vehicle The invention provides a remote control device for a lightweight vehicle equipped with an accommodation box located under a riding seat capable of being opened and closed for accommodatin...
32
200410089697
Imaging system, method and communication terminal device
To realize downsizing. This invention provides an imaging apparatus with an irradiation means for irradiating a body with irradiation light stronger than light in the air coming to the b...
33
200480035107
Security module for encrypting a telephone conversation
The invention relates to a security module (SM) for encrypting a telephone conversation between one or several first telecommunication terminals (VoIP-C) in a packet oriented data networ...
34
200410080036
Method of realizing changing open talk to secret talk
This invention discloses a method for turning talks from open to secrete including: a first terminal sends a request of turning open to secrete talk service and informs a second terminal...
Image decryption system
A decryption device (2) is arranged for visually decrypting an encrypted image displayed on a display device (1) emitting polarized light. The decryption device (2) comprises a polarizin...
37
200480029037
Rake-based CDMA receivers for multiple receiver antennas
A receiver comprises a plurality of antenna elements for receiving a data signal. Each antenna element has a plurality of Rake fingers. Each Rake finger processes a received multipath co...
Image alignment
An image decryption device (1) comprises a screen (10) on which a decrypted image may be visible. The decrypted image may the combination of two partial images, an encrypted image (A) di...
Controlling access to an area
Controlling access includes providing a barrier to access that includes a controller that selectively allows access, at least one administration entity generating credentials/proofs, whe...
Balance-inhibited single-photon detecting circuit modules A circuit module is composed of signal detection circuit, balance-suppression circuit and signal processing circuit. It is featured as sending detected signal to balance-suppression circu...
52
200410036796
Method of multiband passive jamming
A multiple wave range passive interference method used in the military resistance belongs to the military art of multiple wave range passive interference technology. The interference fro...
A transform-based alias cancellation multi-channel tuner
A satellite receiver includes a signal cancellation tuner for processing a plurality of different transponder signals to simultaneously provide a plurality of different bit streams. The ...
55
200410026748
Multi-state coding method
The method includes encoding/decoding controller and resistance elements connected to ports of the said controller. Characters are that a group of resistance elements with non-overlapped...
56
200480001116
Transmission device and reception device There are disclosed a transmission device and a reception device having a high secrecy making it difficult to wire tap by a third device. The transmission device includes a modulation sec...
Setup method and device for chaos secret telephone
It consists of the normal telephone handset and the base set composed of the modular circuit for using chaos to encoding and decoding data flow, modem, the circuit for controlling displa...
Polarization extraneous single photon waveguide phase modulator
This invention relates to a polarized don't-care single proton waveguide phase modulation device composed of a wave guide phase modulator, polarized beam splitting mirror, Faraday reflec...
62
200410015235
Multi-path information encrpted chaotic communicating system
The invention consists of chaotic generator, channel, multiline message chaotic encipherer and multiline message decipherer. The multiline message chaotic encipherer at transmission end ...
A network data safety protection method based on cryptography
A network data safety protection method based on cryptography, wherein the network server end and each client end are provided with a pair of same cipher machines, the symmetrical crypto...
A light quantum real stochastic source
The invention relates to a stochastic source for generating quantum true random number series which accomplishes the production of random key in secrecy system, wherein 45 degree linearl...
68
200310109900
Chaotic cipher production method under limited precision
The invention discloses a generating method for chaotic cipher in limited precise. The steps are: (1) initialization: generates in random or sets the initial value x1[i] (i=0; l=1, 2... ...
69
200310116510
Two-way communication method using secrete key
A communication ciphered cryptographic key exchange method includes: at the sending part utilizing shared secret data to cipher the generatech a cryptographic key plugging the ciphered k...
Shild assembly and method in intelligent mobile terminal The Shield assembly includes antenna, duplexer, controller, up going receiver, down going receiver and a group of down going transmitter. Up going receiver includes radio frequency module...
73
200310112001
Countermeasure set of mobile station and disturbing method
The set includes an antenna, a feed line unit, down going receiver, a first down going transmitter and second down going transmitter and a controller. The controller controls the down go...
74
200310114152
Communication facilities and communication method thereof
A communication device has a padding unit (14) which adds data to an asynchronous packet (PN) to form an integer multiple of the block length, an encryption unit (12) which encrypts the ...
Step transmission quantum safety direct communication method
This invention discloses a method for direct quantum communication transmission in steps safely utilizing the coherence and non-locality of tangling particles to load the effective infor...
Signal processing method in secret quantum communication system
The present invention relates to secret communication, and is especially the single photon signal and random signal processing method in secret quantum communication system in realizing ...
Transmitting device and receiving device
A transmission apparatus updates the encryption method in the event the encryption method is broken. The tool ID of a decryption tool for encrypted data is acquired, the presence of the ...
Transmission method for encrypting voice data in CDMA system
The invention is an encrypted voice data transmitting method in CDMA system, including: 1. as initiating encrypted call, building a direct connection between MAC multiplex sublayer and I...
92
03817116
Training prefix modulation method and receiver
A receiver for implementing a training prefix modulation method in response to a reception of a signal propagating through a channel is disclosed. The signal as received includes trainin...
Secret hashing for SYN/FIN correspondence Methods of preventing flooding-type denial-of-service attacks in a computer-based network are described. Connection establishing messages known as SYN packets are matched with connection ...
Encrypted/deciphering system and method thereof An encryption/decryption system (116) encrypts/decrypts digital data (21) including pairs of header information (HD) and a data body (PD). The system (116) includes an encryption work key...
