Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Patent
1997-04-11
1999-10-19
Chevalier, Robert
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
386 46, H04N 591, H04N 700
Patent
active
059702060
ABSTRACT:
Encoded video recorder/player timer preprogramming information listed in a television calendar allows a timer preprogramming feature on a video cassette recorder VCR to be programmed using a compressed code of as few as 1 to 8 digits, which are decoded by a decoder built into either the video cassette recorder or a remote controller to convert the compressed code into channel, date, time and length information. The channel, date, time and length information is communicated to a VCR and used to automatically activate the VCR to record a given television program with the corresponding channel, date, time and length. Alternately, the channel, date, time and length information is decoded directly in a remote controller and only start record, stop record and channel selection commands are sent to the VCR at the appropriate times. The compressed code indications associated with each television program can be printed in a television program calendar in advance and used with a VCR or remote controller with the decoding means. The compressed codes for timer preprogramming can be utilized for just one program or repeatedly for daily or weekly use. Algorithms for decoding the compressed codes can be a function of time to ensure security of the decoding method. A method is included for use of the compressed codes with cable channels and a method and apparatus is described for timer preprogramming for a large number of programs.
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Electronic Media p. 18 Feb. 25, 1991.
Kwoh Daniel S.
Yuen Henry C.
Chevalier Robert
Gemstar Development Corporation
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