Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1994-01-06
1996-04-23
Tran, Thai Q.
Facsimile and static presentation processing
Facsimile
Recording apparatus
360 60, H04N 576, G11B 1504, G11B 1904
Patent
active
055109004
ABSTRACT:
A picture signal recording system comprises a high-definition broadcasting station 1, an artificial satellite 2, a television receiver 3 and a video signal recording apparatus 5. A pilot signal P is superimposed on a luminance signal Y at the broadcasting station 1. This pilot signal P does not give any adverse influence to an image reproduced on a TV monitor and is detectable from the luminance signal Y. A frequency of this pilot signal is selected to be smaller than the frequency of the luminance signal Y, a superimposing timing thereof is set to a head position of the luminance signal Y, and an amplitude thereof is varied with respect to a grey level as a variation center. The pilot signal P superimposed on the luminance signal Y is detected by a pilot signal detecting circuit 53 within a video signal recording apparatus 5. The picture signal is recorded on a video tape 11 and rerecording prohibit information is recorded in a reserved area by a picture signal recording process circuit 51. When the video tape 11 on which this rerecording prohibit information has been recorded is reproduced, the reproduced picture signal is prohibited to be rerecorded.
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Shirochi Yoshiki
Yamashita Keitaro
Frommer William S.
Sinderbrand Alvin
Sony Corporation
Tran Thai Q.
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