| 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) |
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| 03/04/2009 | CN100466608C Device and method for packaging multiple-pass data packet |
| 03/04/2009 | CN100466607C Method for improving the service quality in intercommunicate wireless local area network |
| 03/04/2009 | CN100466606C Unknown multicasting message processing method |
| 03/04/2009 | CN100466604C Method and system for facilitating data transfer in a pageable mode virtual environment |
| 03/04/2009 | CN100466603C Method and apparatus for shaping transmission service stream in network |
| 03/04/2009 | CN100466602C Method for dynamically sharing space of memory |
| 03/04/2009 | CN100466601C Data read/write device and method |
| 03/04/2009 | CN100466600C Method for implementing resource preretention of inserted allocation mode in next network |
| 03/04/2009 | CN100466598C Method for realizing data message transmission based on RTP |
| 03/04/2009 | CN100466597C Method for implementing allocation of traffic flow based on different service domains |
| 03/04/2009 | CN100466596C System and method for realizing common use of timer function |
| 03/04/2009 | CN100466595C Method for processing error indication message |
| 03/04/2009 | CN100466594C Method for classification processing message |
| 03/04/2009 | CN100466592C Method and method for transmitting data from a first data network into a second data network |
| 03/04/2009 | CN100466591C Master-slave device system |
| 03/04/2009 | CN100466590C Method for sharing V-Switch transparent-transferring data load |
| 03/04/2009 | CN100466589C Method for realizing virtual special net access |
| 03/04/2009 | CN100466588C Method and system for realizing the carrier intercommunication based on the virtual relay |
| 03/04/2009 | CN100466586C Transmitter device and relay device for performing data transmission control |
| 03/04/2009 | CN100466585C Method and apparatus for implementing leaf node proxy in network |
| 03/04/2009 | CN100466584C Processing method for loop network protection |
| 03/04/2009 | CN100466583C Fast ring network method against attack based on RRPP, apparatus and system |
| 03/04/2009 | CN100466582C Cross interconnection method for RPR and cross site, cross RPR |
| 03/04/2009 | CN100466580C Initial method and device of bus system |
| 03/04/2009 | CN100466579C Time-triggered communication system and method for the synchronized start of a dual-channel network |
| 03/04/2009 | CN100466578C Communication control method |
| 03/04/2009 | CN100466577C Method and system for enquiring data of sensor network and sensor node |
| 03/04/2009 | CN100466576C Method for reducing disposition VPN network through self-organization field |
| 03/04/2009 | CN100466574C Mobile communications terminal for transmitting data frames in wireless lan and method thereof |
| 03/04/2009 | CN100466573C Wireless terminal device, wireless communication method |
| 03/04/2009 | CN100466572C Equal access and initial route filtering method for packet network |
| 03/04/2009 | CN100466571C Handling broadcast and multicast traffic as unicast traffic in a wireless network |
| 03/04/2009 | CN100466570C WLAN access point and its access method |
| 03/04/2009 | CN100466568C Household network system, the address setting method and associated electrical appliance equipment |
| 03/04/2009 | CN100466567C Access authentication method for WLAN |
| 03/04/2009 | CN100466566C Automatic configuration equipment linked byg network media and the method thereof |
| 03/04/2009 | CN100466565C Loopback control method and device |
| 03/04/2009 | CN100466564C Failure monitoring method and device for virtual rented line |
| 03/04/2009 | CN100466562C Method and system for transmitting test route |
| 03/04/2009 | CN100466561C Method for deciding carried media gateway of media gateway controller |
| 03/04/2009 | CN100466560C Method, system, device for detecting service quality, and charging and fault detecting system |
| 03/04/2009 | CN100466559C Method for judging spring grouping ring topology stability |
| 03/04/2009 | CN100466558C Method for realizing tax controlled data monitoring of POS system |
| 03/04/2009 | CN100466557C Communication net node fault monitoring method |
| 03/04/2009 | CN100466556C Network device management method and system |
| 03/04/2009 | CN100466555C Method and apparatus for transmitting maintenance order |
| 03/04/2009 | CN100466554C Communication adaptation layer system and method for obtaining the network element information |
| 03/04/2009 | CN100466553C Method for obtaining exact time and network device |
| 03/04/2009 | CN100466552C NGN system and end to end tracing method and device applied in this system |
| 03/04/2009 | CN100466551C Load balance realizing method and load balance device |
| 03/04/2009 | CN100466550C Method, device and system for implementing multi-service type structure |
| 03/04/2009 | CN100466549C Method of identifing VOIP flow based on SIP protocol process performance |
| 03/04/2009 | CN100466548C Searching method and its system for equipment traffic data |
| 03/04/2009 | CN100466547C System and method for privilege management and revocation |
| 03/04/2009 | CN100466546C System and method for realizing business protection using LCAS protocol |
| 03/04/2009 | CN100466545C Data synchronization method between the main board and spare board in the communication system |
| 03/04/2009 | CN100466544C Method for reporting board performance data of equipment |
| 03/04/2009 | CN100466543C Method and system for universally managing multiple functional units |
| 03/04/2009 | CN100466542C Service gradation based loss distribution method |
| 03/04/2009 | CN100466541C Service network tracking system and tracking method |
| 03/04/2009 | CN100466540C State detection method based on main and backup Ethernet interface |
| 03/04/2009 | CN100466539C Maintenance method for device terminal |
| 03/04/2009 | CN100466538C Method and apparatus for changing the operation mode of an agent of a management network |
| 03/04/2009 | CN100466537C Device for detecting computer access state in network and detecting method |
| 03/04/2009 | CN100466536C System and method for managing protocol network failures in a cluster system |
| 03/04/2009 | CN100466535C Device and method for implementing switch between IP network and PSTN for users |
| 03/04/2009 | CN100466534C Method for processing faults in multimedia sub-system equipment |
| 03/04/2009 | CN100466533C Network medium content safety macromonitoring method |
| 03/04/2009 | CN100466532C Set-up method and its system for broadcast multi-cast service transmission mode |
| 03/04/2009 | CN100466531C Control system and method for multi-party demonstration manuscript conference |
| 03/04/2009 | CN100466530C Method and device for connecting a plurality of conferences |
| 03/04/2009 | CN100466529C Method and system for implementing multi-media recording |
| 03/04/2009 | CN100466528C Interconnected network web information issuing method |
| 03/04/2009 | CN100466527C Communication apparatus |
| 03/04/2009 | CN100466526C Credit control client terminal, credit control server, charging system and charging method |
| 03/04/2009 | CN100466525C Buffer-based magnitude charging middle message processing method |
| 03/04/2009 | CN100466524C On-line controlling method and system |
| 03/04/2009 | CN100466523C Charge system and method for combining on-line charge with off-line charge |
| 03/04/2009 | CN100466522C Farend access communication system, and control method |
| 03/04/2009 | CN100466521C Flame-proof and intrinsically safe type industrial Ethernet ring exchanger for mine |
| 03/04/2009 | CN100466520C Method, system for controlling front-end equipment and administrative server |
| 03/04/2009 | CN100466519C Method for downloading a plurality of files simultaneously in broadcasting network |
| 03/04/2009 | CN100466518C Communication apparatus and communication method |
| 03/04/2009 | CN100466517C Conversion method of the long-evolving network and its user device states |
| 03/04/2009 | CN100466516C Biological identifying method for resisting replay attach |
| 03/04/2009 | CN100466515C Method for establishing interaction between conversation business mark and network application entity |
| 03/04/2009 | CN100466514C Weighted secret key sharing and reconstructing method |
| 03/04/2009 | CN100466513C System and method for protecting received and sent data by parity check bit |
| 03/04/2009 | CN100466512C Encryption device and program and data processing method used on data processing equipment |
| 03/04/2009 | CN100466510C A method for preventing network address translation (NAT) device from being attacked by network user |
| 03/04/2009 | CN100466509C Information content distribution method based on private and/or personal information |
| 03/04/2009 | CN100466507C Method and device for connecting sensors or actuators to a bus system |
| 03/04/2009 | CN100466504C Read enable generator, read enable signal generating method and data transmission method |
| 03/04/2009 | CN100466501C Method for producing long code mask for cluster service |
| 03/04/2009 | CN100466498C Method and equipment for reaching synchronization to base station |
| 03/04/2009 | CN100465982C Application execution device and application execution method of the application execution device |
| 03/04/2009 | CN100465977C 信息管理系统 Information Management System |
| 03/03/2009 | US7500272 Manufacturing unique devices that generate digital signatures |
| 03/03/2009 | US7500112 Cryptographic device and methods for defeating physical analysis |
| 03/03/2009 | US7499564 Methods for decoding watermark data from audio, and controlling audio devices in accordance therewith |