RF switching with remote controllers dedicated to other devices

Details RF switching with remote controllers dedicated to other devices RF switching with remote controllers dedicated to other devices

1996-11-12

1998-09-29

Zimmerman, Brian

Communications: electrical

Continuously variable indicating

With meter reading

34082522, 348705, 359146, 359148, G08C 1900, H04B 1000

Patent

active

058150889

ABSTRACT:
Apparatus and method for switching between two input sources to a television receiver and/or video recording device. Switching may be carried out with a conventional remote control otherwise dedicated to the video recorder or television receiver by holding down a control button thereof for at least a predetermined interval of time, for example two seconds. Five RF diode switches along with solid state logic components are employed to respond to the remotely developed switching signals for carrying out TV receiver and VCR source selections by the viewer. The pre-existing television or VCR operational status is not affected by the remote controllers where an ongoing channel selection simply is reinforced or a function of the remote controller is elected which has no undesired effect upon that ongoing operational status.

REFERENCES:
patent: 3098212 (1963-07-01), Creamer
patent: 4663626 (1987-05-01), Smith
patent: 4897718 (1990-01-01), Testin et al.
patent: 5066947 (1991-11-01), Kaneko
patent: 5153580 (1992-10-01), Pollack

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