Apparatus and method for the compression and transmission of multiformat data
Patent 5182642 Issued on January 26, 1993. Estimated Expiration Date: 
April 19, 2011. 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.
April 19, 2011. 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 ReferencesTV bandwidth reduction system using a hybrid discrete cosine DPCM Frequency generation for multiplexed analog component color television encoding and decoding Adaptive digital video compression system Bandwidth reduction and multiplexing of multiple component TV signals Line-sequential pyramid processing of a plurality of raster-scanned image variables Patent #: 4982283 InventorsAssigneeApplicationNo. 687986 filed on 04/19/1991US Classes:375/240.01, Television or motion video signal375/240.18TransformExaminersPrimary: Kostak, Victor R.Attorney, Agent or FirmInternational ClassH04N 007/12AbstractVideo data is compressed, at a first site, by a transform scaling data compressor (12), and carrier signals are modulated with audio and digital data by a delta modulation data modulator (14) and a delta-sigma modulation data modulator (16) respectively. Their output signals are combined by a multichannel data compressor (18) and transmitted to a second site, where the procedures are essentially reversed to effectively regenerate the data as originally formatted. | |
