Patent ReferencesApparatus for demodulating sampled data chroma signals Demodulator for sampled chrominance signals including a Nyquist filter for recovering wideband I color difference signals IYQY format television signal encoding and decoding apparatus Time-multiplexing of an interleaved spectrum of a television signal Method and system for improved reconstruction of video images in line sequential chroma format Economical high-definition television using a modulated-signal combination Compressed quantized image-data transmission technique suitable for use in teleconferencing High-definition television transmission system Display processor with color matrixing circuitry and two map memories storing chrominance-only data Video signal digital processing system using lower sampling frequency for chroma signal data decimation InventorsAssigneeApplicationNo. 418993 filed on 10/06/1989US Classes:348/386.1Color televisionExaminersPrimary: Peng, John K.Attorney, Agent or FirmForeign Patent References
International ClassesH04N 007/12H04N 007/01 H04N 007/04 H04N 011/20 AbstractIn a system for transmitting analog video signals, the luminance and chrominance components are each subjected to different bandwidth reduction processes. In addition, the high and low frequency portions of the luminance component are subjected to different bandwidth reduction signal processes. | |