Program schedule displaying system
Patent 4199781 Issued on April 22, 1980. Estimated Expiration Date: 
April 22, 1997. 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 22, 1997. 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 References2656412 InventorAssigneeApplicationNo. 05/683954 filed on 05/06/1976US Classes:348/96, Film, disc or card scanning348/97, Motion picture film scanner386/128, Using light or beam386/83Including programmable apparatusExaminersPrimary: Murray, RichardAttorney, Agent or FirmInternational ClassesH04N 7/08 (20060101)H04N 5/222 (20060101) AbstractProgram schedule information recorded on film is converted into video signals by two video record players for transmission with audio signals through a selected channel to cable television subscribers. The film is incrementally advanced in reverse directions for alternate display of different information recorded on separate frames of the film under control of a sequence controller operating through relays to effect synchronized operation of the video and audio tape players. | |
