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(19)

RU

(11)

2 166 238

(13)

C2

(51)

IPC

(21) (22)

Application

96121015/09, 1996-10-25

(24)

Start date

1996-10-25

(22)

Actual filing date

1996-10-25

(45)

Published

2001-04-27

(72)

Inventor

Khideo Sato

(73)

Holder

Soni Korporejshn

METHOD AND DEVICE FOR PREVENTING FAIR COPYING OF CHROMINANCE ANALOG SIGNAL BY ANALOG VIDEO TAPE RECORDER; COPYING-PROTECTED MEDIUM CARRYING CHROMINANCE VIDEO SIGNAL Russian patent published in 2001 - IPC

Abstract RU 2166238 C2

FIELD: video engineering. SUBSTANCE: color-picture signal of desired length shifted in phase is inserted in preset position in standard synchronization slot of analog chrominance signal. Preset position may precede normal chrominance sync signal, or it may follow normal chrominance sync signal, or may occur in center of synchronization slot. EFFECT: provision for preventing fair copying of analog chrominance signal from medium. 47 cl, 23 dwg

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RU 2 166 238 C2

Authors

Khideo Sato

Dates

2001-04-27—Published

1996-10-25—Filed

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