Media and player using territory code

Details Media and player using territory code Media and player using territory code

1997-02-25

1999-05-11

Nguyen, Huy T

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386 94, H04N5/76

Patent

active

059037059

ABSTRACT:
A recording medium and a picture display system in which multiplexed data recorded on a recording medium sold only in a specified territory or multiplexed data broadcast for a specified territory can be displayed only on a decoding reproducing system sold or installed only in such territory. Multiplexed data including a territory code are recorded on a recording medium. This territory code is compared to the inner territory code in the decoding device and, if the territory code of the recording medium includes the inner territory code of the decoding unit, the recording medium is decoded and reproduced. In the multiplexed data, allowable period data is stated in association with the territory code. This allowed period is compared to the date of a calendar generator in the decoding unit. If the date of the calendar generator is comprised within the allowed period, the recording medium is decoded and reproduced.

REFERENCES:
patent: 5084790 (1992-01-01), Endoh
patent: 5453793 (1995-09-01), Kim
patent: 5526130 (1996-07-01), Kim
patent: 5598276 (1997-01-01), Cookson et al.

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