Moving picture signal transmission system
September 22, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesTelevision signal encoder utilizing a correlation between frames TV Signal median prediction coding system Fascimile communication system with desired image quality Two dimensional coding apparatus Picture transmission system using secondary differential variable sampling rate coding Combined intraframe and interframe transform coding system Low bandwidth video teleconferencing system and method Patent #: 4710813 InventorsAssigneeApplicationNo. 07/117169 filed on 09/22/1987US Classes:348/390.1, Data rate reduction379/202.01ConferencingExaminersPrimary: Peng, John K.Attorney, Agent or FirmInternational ClassesG06T 9/00 (20060101)H04N 7/24 (20060101) H04N 7/64 (20060101) H04N 7/14 (20060101) H04N 7/26 (20060101) H04N 7/50 (20060101) H04N 7/68 (20060101) Foreign Application Priority Data1986-02-20 JPAbstractMoving picture signal transmission system, wherein the data-compression is effected for the moving picture by the intraframe-encoding and the interframe-encoding, the signal is divided into the fixed frame-length transmission frame, the transmission frame has the header (A, B, C) which identifies whether it is the first transmission frame, the middle transmission frame or the last transmission frame in one picture frame signal, and then the transmission frame is transmitted, a receiver informs a transmitter of the validity of the received sequence and the result of the error check, when a transmitter receives the error message from a receiver, the picture frame immediately after the message is encoded by only the intraframe-encoding, the succeeding frames are encoded through interframe-encoding, so that the influence of the error is removed within a short time. | |
