US PATENT SUBCLASS 386 / 94-- .~ Record protection (e.g., anti-copying)

US PATENT SUBCLASS 386 / 94
.~ Record protection (e.g., anti-copying)

Current as of: June, 1999
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386 /	HD	TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING

46	DF	PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING {25}
94		.~ Record protection (e.g., anti-copying)

DEFINITION

Classification: 386/94

Record protection (e.g., anti-copying):

(under subclass 46) Subject matter comprising means for modifying the television signal for inhibiting it from being recorded or reproduced.

(1) Note. Means for modifying includes signal or pulse mixed to the television signal.

(2) Note. This subclass includes systems for disabling the effect of means for inhibiting.

SEE OR SEARCH CLASS

360, Dynamic Magnetic Information Storage or Retrieval,

60, for dynamic magnetic recording or erasing prevention in general.

380, Cryptography,

3, 5 for stored information access or copy prevention.