Method for transmitting a television signal by field to field processing
Patent 4745460 Issued on May 17, 1988. Estimated Expiration Date: 
March 16, 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.
March 16, 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 References 2716151 2954441 Digital processing of N.T.S.C. color television signals Patent #: 4291331 InventorAssigneeApplicationNo. 07/026281 filed on 03/16/1987US Classes:348/436.1Including use of a subcarrierExaminersPrimary: Shepperd, John W.Attorney, Agent or FirmInternational ClassesH04N 7/12 (20060101)H04N 11/00 (20060101) H04N 5/92 (20060101) H04N 11/24 (20060101) Foreign Application Priority Data1983-03-18 JPAbstractA television signal transmission system is improved to be able to transmit a video signal having a frequency band wider than existing transmission frequency bands while maintaining compatibility with existing television systems. On the sending side, a wide-band luminance signal is frequency-shifted and inserted into a vacant frequency spectrum of a television signal in the existing television systems before transmission. | |
