Patents
Sitemap › G09 - Educating; Cryptography; Display; Advertising; Seals › G09C - Ciphering or deciphering apparatus for cryptographic or other purposes involving the need for secrecy › G09C 1 - Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system
Patents for G09C 1 - Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system (12,544)
03/2009
03/04/2009CN100466822C Method and apparatus for selecting target cell
03/04/2009CN100466819C User dispatching method and system in uplink enhanced link
03/04/2009CN100466811C Method for calling user terminal of IP multimedia subsystem
03/04/2009CN100466800C Cell recognition method for OFDMA cellular system
03/04/2009CN100466799C A method for multiplexing of soft frequency
03/04/2009CN100466798C Multi-mode wireless network communication system
03/04/2009CN100466795C Statistic method for checking communication service quality and the system terminal
03/04/2009CN100466789C Subdistrict performance statistical method
03/04/2009CN100466787C SIM card-based classified access method of incoming call
03/04/2009CN100466786C Method of response for changing of network operation mode of user equipment
03/04/2009CN100466785C Double-mode mobile terminal
03/04/2009CN100466777C Method of switching communication module in communication devices
03/04/2009CN100466775C Method for shortening active receiving time and saving power in stand-by mode
03/04/2009CN100466774C Fan zoning base station
03/04/2009CN100466770C Method for realizing end-to-end encrypting call in cluster system
03/04/2009CN100466769C Synchronizing push to talk service in wireless communication system
03/04/2009CN100466761C Mobile switching centre built in video gateway and method for realizing multimedia interconnection
03/04/2009CN100466758C Tyre pressurel temperature monitoring system and automobile therewith
03/04/2009CN100466753C Method for implementing multipoint codes in a switching office
03/04/2009CN100466752C Converter and method with hybrid RGB chart and YUV video signal
03/04/2009CN100466747C Predictive coding device and decoding device for dynamic image
03/04/2009CN100466746C Method for information selecting and dividing based on micro block inner edge
03/04/2009CN100466741C A method and device for carrying out coding using correlation between video signal frames in video code processing
03/04/2009CN100466740C A method to quantify difference for video code processing and its device
03/04/2009CN100466735C Video encoding and decoding methods and video encoder and decoder
03/04/2009CN100466734C Coding image signal
03/04/2009CN100466729C Method and apparatus for searching next signal frame synchronous character in digital coding signal
03/04/2009CN100466728C Long-distance monitoring business realizing method, system and terminal equipment between video information terminals
03/04/2009CN100466727C Update rank processing method and device for lasting service allocation list
03/04/2009CN100466726C Flow-medium performance ordering method
03/04/2009CN100466723C Method for storing and transmitting data generated by a security module
03/04/2009CN100466722C Method of forming digital film content according to audience's tolerance standard
03/04/2009CN100466721C Interactive protocol for remote management of access control to scrambled data
03/04/2009CN100466720C Video composition apparatus and video composition method
03/04/2009CN100466717C Automatic clear, adding recording and searching acquiring method for digital TV EPG information
03/04/2009CN100466716C Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data
03/04/2009CN100466715C Quick digital channel switching
03/04/2009CN100466714C De-interleaving device with pattern recognition units and the method thereof
03/04/2009CN100466711C Information processing apparatus and method, program, and recording medium
03/04/2009CN100466710C Data conversion system
03/04/2009CN100466709C Portable multimedia recording and playing apparatus and multithread testing method
03/04/2009CN100466708C A video recorder unit and the method for operating the video recorder unit
03/04/2009CN100466705C High-resolution image projection
03/04/2009CN100466704C Television apparatus
03/04/2009CN100466703C Display device with a speaker grill
03/04/2009CN100466702C Display apparatus and the control method thereof
03/04/2009CN100466699C Displaying apparatus and the control method thereof
03/04/2009CN100466697C Moving frame display unit
03/04/2009CN100466696C Signal processor unit and the control method thereof
03/04/2009CN100466693C Peripheral device of portable audio-visual device and broadcast audio-visual system
03/04/2009CN100466691C Image sensing apparatus and the control method thereof
03/04/2009CN100466690C Recall device
03/04/2009CN100466687C Camera module apparatus with IR-cut-coated window glass
03/04/2009CN100466685C Information equipment and portable information device
03/04/2009CN100466684C Processing auxiliary data of video sequences
03/04/2009CN100466681C Image processing device for forbidding copying and forging pattern and the controlling method thereof
03/04/2009CN100466679C Image sensor
03/04/2009CN100466678C Imaging system and system control method
03/04/2009CN100466675C Apparatus, method and system for managing image processing and computer program
03/04/2009CN100466673C Method for realizing official telephone of SDH device using IP telephone
03/04/2009CN100466672C Sound data transmitting system and method and transmitting server and user's terminal
03/04/2009CN100466669C Method for providing ring-back tone service in communication network
03/04/2009CN100466667C A method for implementing calling and called party pay intelligent service
03/04/2009CN100466666C A service triggering method based on original called number information
03/04/2009CN100466663C XDSL test method
03/04/2009CN100466662C Process, apparatus, devices for seizure of a shared telephone line
03/04/2009CN100466661C Portable terminal device
03/04/2009CN100466658C Operation support system interface and its inter connection method with network management system
03/04/2009CN100466655C Method and system for requesting to read user registration state
03/04/2009CN100466654C Multi-service transmission platform equipment managing system
03/04/2009CN100466653C Method for transmitting and receiving data by building telecommunication in network speech telephone system
03/04/2009CN100466651C Methods and systems for application instance level workload distribution affinities
03/04/2009CN100466650C SIP service method in a network having a NAT
03/04/2009CN100466647C Method and system for transferring ip packets by aggregating multiple wireless communication channels for high data rate transfers
03/04/2009CN100466646C Method and system for realizing tracked interface message
03/04/2009CN100466645C Method for carrying out different service treatment according to different bearing network type
03/04/2009CN100466643C Digital implementation of multi-channel demodulators
03/04/2009CN100466642C A modulation technique providing high data rate through band limited channels
03/04/2009CN100466639C Method for realizing two-directional interacting of circuit zone and grouping zone, and system thereof
03/04/2009CN100466638C Method for the transmission of data telegrams in a switched cyclical communication system
03/04/2009CN100466637C Method for partaking the load of signaling message
03/04/2009CN100466635C Method and apparatus for transmitting message
03/04/2009CN100466634C Method and system for processing multi-media value-added business information and utilized gate equipment
03/04/2009CN100466631C Blank-interface text transmission method, network accessing apparatus and system
03/04/2009CN100466630C Iub interface data transmission method and system in mobile communication network
03/04/2009CN100466629C Network equipment and message transferring method based on multiple-core processor
03/04/2009CN100466627C Method and device for searching address prefixion and message transfer method and system
03/04/2009CN100466626C Wireless service differentiation method and wireless transmission device
03/04/2009CN100466623C Route information update method and network equipment based on OSPF
03/04/2009CN100466622C Method and system for random packet interval sampling on network
03/04/2009CN100466621C Admission control system and admission control method in load supporting interface of communication network
03/04/2009CN100466620C Loading balance method based on data flow in large scale paralle processing of mass data
03/04/2009CN100466619C Access business service quality control device and method
03/04/2009CN100466616C Method for controlling reverse congestion of ABIS interface and transceiver base station
03/04/2009CN100466615C Method and apparatus for processing direct connected network route
03/04/2009CN100466614C Multi-cast broadcasting business realizing method
03/04/2009CN100466613C Method for processing service
03/04/2009CN100466612C Method and system for implementing communication between wireless network controllers
03/04/2009CN100466610C Method for identifying net load type in multi-protocol sign exchange network
03/04/2009CN100466609C Method for implementing communication of IPv6 mobile node and IPv4 communication buddy
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