US PATENT SUBCLASS 380 / 16-- .~.~ Record or coin controlled

US PATENT SUBCLASS 380 / 16
.~.~ Record or coin controlled

Current as of: June, 1999
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380 /	HD	CRYPTOGRAPHY

9	DF	ELECTRIC SIGNAL MODIFICATION (E.G., SCRAMBLING) {18}
10	DF	.~ Video {10}
16		.~.~ Record or coin controlled

DEFINITION

Classification: 380/16

Record or coin controlled:

(under subclass 10) Subject matter wherein video signal modification is actuated by an object authorizing or making payment for use of the equipment.

(1) Note. Such objects may include coins and other currency, or credit cards.

SEE OR SEARCH THIS CLASS, SUBCLASS:

23+, for signal encryption in verification of record operated equipment.

SEE OR SEARCH CLASS

194, Check-Actuated Control Mechanisms, appropriate subclasses for coin operated equipment of general utility.

235, Registers,

375+, for coded record operated equipment, absent cryptos:graphic equipment. 348, Television,

3, for remote computing a television subscriber payment and subclass 5.5 for television access control equipment without cryptos:graphic structure.