Repeating radio frequency transmission system for extending...

Details Repeating radio frequency transmission system for extending... Repeating radio frequency transmission system for extending...

2005-12-08

2009-08-11

Singh, Dalzid (Department: 2613)

Optical communications

Remote control

C398S107000, C398S115000

Reexamination Certificate

active

07574141

ABSTRACT:
Inventive systems and methods for remotely controlling infrared controlled devices by using addressed radio frequency control signals. Radio frequency signals propagate through most obstructions to infrared control signals. Augmenting each control signal with an address allows for great selectivity in an environment with several transmitters and receivers.

REFERENCES:
patent: 4897883 (1990-01-01), Harrington
patent: 5383044 (1995-01-01), Borchardt et al.
patent: 6359714 (2002-03-01), Imajo
patent: 6407779 (2002-06-01), Herz

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