Broadcast channel lock system

Details Broadcast channel lock system Broadcast channel lock system

1994-12-13

1997-12-16

Gregory, Bernarr E.

Television

Special applications

Manufacturing

380 7, 380 10, 380 20, H04N 716, H04N 7167

Patent

active

056991045

ABSTRACT:
A broadcasting channel lock system including a broadcasting device for transmitting a broadcasting signal via one or more of a plurality of channels, and a receiving device for receiving the broadcasting signal. The receiving device is provided with a locking device for limiting reception of video and/or audio via a specific one or more of the channels. A screen saver is incorporated as a part of the locking device for limiting the video reception so as to allow the user to partially view the video in the specific channel, thereby stimulating the interest of the user to the contents in the specific channel.

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patent: 5151789 (1992-09-01), Young
patent: 5191410 (1993-03-01), McCalley et al.
patent: 5195135 (1993-03-01), Palmer

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