| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
|---|
| 03/12/2009 | US20090070817 Program guide system with preference profiles |
| 03/12/2009 | US20090070815 Electronic program guide displayed simultaneously with television programming |
| 03/12/2009 | US20090070809 Method for Providing an Electronic Program Guide Based on User Preference Data |
| 03/12/2009 | US20090070540 Receiving Apparatus, Receiving Method, Transmitting Apparatus, Transmitting Method, and Medium |
| 03/12/2009 | US20090070454 Allocating access across shared communication medium |
| 03/12/2009 | US20090070414 System and method for distributing media content using transfer file that eliminates negotiati0n between server and client in point-to-multipoint distribution |
| 03/12/2009 | US20090070341 Device and process for remote management of a network of audiovisual information reproduction systems |
| 03/12/2009 | US20090070225 Methods, Systems, and Products for Classifying Subscribers |
| 03/12/2009 | US20090067820 System and method for supplying supplemental audio information for broadcast television programs |
| 03/12/2009 | US20090067809 Transmitting and recording method, reproducing method, and reproducing apparatus of information and its recording medium |
| 03/12/2009 | US20090066851 Broadcast signal receiving apparatus |
| 03/12/2009 | US20090066724 Graphics display system with graphics window control mechanism |
| 03/11/2009 | EP2034732A1 Digital broadcasting receiver |
| 03/11/2009 | EP2034727A1 Receiving apparatus, receiving method, transmitting apparatus, transmitting method, and medium |
| 03/11/2009 | EP2034726A2 Systems and methods for interactive program guides with personal video recording features |
| 03/11/2009 | EP2034698A2 Method for tracking the size of a multicast audience |
| 03/11/2009 | EP2033438A1 Residual time-shift buffering in a digital media device |
| 03/11/2009 | EP2033360A1 Redundant media packet streams |
| 03/11/2009 | EP1470713A4 A system and method for secure distribution and evaluation of compressed digital information |
| 03/11/2009 | EP1269754A4 Digital video system using networked cameras |
| 03/11/2009 | EP1252085A4 Information distribution system for use in an elevator |
| 03/11/2009 | CN101383949A System for programme selection by remote access link to record and related method |
| 03/11/2009 | CN101383948A System for remote access and related method |
| 03/11/2009 | CN101383947A Method for programme access and providing by remote access link |
| 03/11/2009 | CN101383946A System for demanding programme and related method thereof |
| 03/11/2009 | CN101383945A System and method for applying customer configuaration to television device apparatus |
| 03/11/2009 | CN100469131C System for realizing conditional access, and method and equipment for transfering, receiving and processing content |
| 03/11/2009 | CN100469023C Digital television apparatus and method for establishing communication channel in number bus |
| 03/10/2009 | US7503056 Receiver, program retrieval method, and receiving method |
| 03/10/2009 | US7503055 Systems and methods for advertising television networks, channels, and programs |
| 03/10/2009 | US7503003 Electronic programming guide |
| 03/10/2009 | US7502975 Data transmission apparatus and method |
| 03/10/2009 | US7502799 Structure of metadata and reproduction apparatus and method of the same |
| 03/10/2009 | US7502604 Wireless environment method and apparatus |
| 03/10/2009 | US7502417 Data transmission device and method |
| 03/10/2009 | US7502416 Method and system to improve the transport of compressed video data |
| 03/05/2009 | WO2009028038A1 Decoder and decoding method |
| 03/05/2009 | WO2009028012A1 Method for generating video data for trick play |
| 03/05/2009 | US20090063510 Transmission System and Method, Transmission Apparatus and Method, Reception Apparatus and Method, and Recording Medium |
| 03/05/2009 | US20090060461 Transmitting and recording method, reproducing method, and reproducing apparatus of information and its recording medium |
| 03/05/2009 | US20090060460 Transmitting and recording method, reproducing method, and reproducing apparatus of information and its recording medium |
| 03/04/2009 | EP2030448A2 Predictive frame dropping to enhance quality of service in streaming data |
| 03/04/2009 | EP2030441A1 Method and apparatus for monitoring a user s activities |
| 03/04/2009 | CN101378397A Transmission system, transmission apparatus and method, reception apparatus and method, and recording medium |
| 03/04/2009 | CN100466863C Mobile communication terminal and the calling method |
| 03/04/2009 | CN100466862C Communication apparatus and display method |
| 03/04/2009 | CN100466861C Anti-theft method for cell phone |
| 03/04/2009 | CN100466860C A method for optimization of distribution user interface instance under the master-slave structure |
| 03/04/2009 | CN100466859C Service QoS ensuring method and device for radio mesh network |
| 03/04/2009 | CN100466858C Wireless communication network expanding system and method |
| 03/04/2009 | CN100466857C Network reprogramming method of wireless sensor network based on priority cluster |
| 03/04/2009 | CN100466856C Internet protocal carried voice user accessing method, positioning device and network equipment |
| 03/04/2009 | CN100466854C Method for selection of an available transmission channel, mobile termination and wireless network |
| 03/04/2009 | CN100466851C Methods and apparatus for identifying asset location in communication networks |
| 03/04/2009 | CN100466849C Method and system for controlling user terminal to read system message |
| 03/04/2009 | CN100466845C System for efficient recovery of node-B buffered data following MAC layer reset |
| 03/04/2009 | CN100466844C Detecting method and the system for missing matched adjacent zone |
| 03/04/2009 | CN100466838C Mobile communication system, base station controller and the load state testing method thereof |
| 03/04/2009 | CN100466836C A verification method, device and communication system for the identification code of the temporary mobile user |
| 03/04/2009 | CN100466834C Method for enabling subscriber entity to actively communicate in a communication network |
| 03/04/2009 | CN100466832C Group broadcasting member management method for radio local network IP group broadcasting frame transmission |
| 03/04/2009 | CN100466829C Method, system and MSC server and HLR of processing calling service |
| 03/04/2009 | CN100466828C Call failure handling method and system |
| 03/04/2009 | CN100466822C Method and apparatus for selecting target cell |
| 03/04/2009 | CN100466819C User dispatching method and system in uplink enhanced link |
| 03/04/2009 | CN100466811C Method for calling user terminal of IP multimedia subsystem |
| 03/04/2009 | CN100466800C Cell recognition method for OFDMA cellular system |
| 03/04/2009 | CN100466795C Statistic method for checking communication service quality and the system terminal |
| 03/04/2009 | CN100466785C Double-mode mobile terminal |
| 03/04/2009 | CN100466777C Method of switching communication module in communication devices |
| 03/04/2009 | CN100466775C Method for shortening active receiving time and saving power in stand-by mode |
| 03/04/2009 | CN100466770C Method for realizing end-to-end encrypting call in cluster system |
| 03/04/2009 | CN100466769C Synchronizing push to talk service in wireless communication system |
| 03/04/2009 | CN100466753C Method for implementing multipoint codes in a switching office |
| 03/04/2009 | CN100466752C Converter and method with hybrid RGB chart and YUV video signal |
| 03/04/2009 | CN100466747C Predictive coding device and decoding device for dynamic image |
| 03/04/2009 | CN100466746C Method for information selecting and dividing based on micro block inner edge |
| 03/04/2009 | CN100466741C A method and device for carrying out coding using correlation between video signal frames in video code processing |
| 03/04/2009 | CN100466740C A method to quantify difference for video code processing and its device |
| 03/04/2009 | CN100466735C Video encoding and decoding methods and video encoder and decoder |
| 03/04/2009 | CN100466734C Coding image signal |
| 03/04/2009 | CN100466729C Method and apparatus for searching next signal frame synchronous character in digital coding signal |
| 03/04/2009 | CN100466728C Long-distance monitoring business realizing method, system and terminal equipment between video information terminals |
| 03/04/2009 | CN100466727C Update rank processing method and device for lasting service allocation list |
| 03/04/2009 | CN100466723C Method for storing and transmitting data generated by a security module |
| 03/04/2009 | CN100466722C Method of forming digital film content according to audience's tolerance standard |
| 03/04/2009 | CN100466721C Interactive protocol for remote management of access control to scrambled data |
| 03/04/2009 | CN100466719C Multimedia communication method and the terminal thereof |
| 03/04/2009 | CN100466717C Automatic clear, adding recording and searching acquiring method for digital TV EPG information |
| 03/04/2009 | CN100466716C Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data |
| 03/04/2009 | CN100466715C Quick digital channel switching |
| 03/04/2009 | CN100466711C Information processing apparatus and method, program, and recording medium |
| 03/04/2009 | CN100466710C Data conversion system |
| 03/04/2009 | CN100466709C Portable multimedia recording and playing apparatus and multithread testing method |
| 03/04/2009 | CN100466705C High-resolution image projection |
| 03/04/2009 | CN100466704C Television apparatus |
| 03/04/2009 | CN100466703C Display device with a speaker grill |
| 03/04/2009 | CN100466699C Displaying apparatus and the control method thereof |
| 03/04/2009 | CN100466697C Moving frame display unit |
| 03/04/2009 | CN100466693C Peripheral device of portable audio-visual device and broadcast audio-visual system |