Remote commander

Details Remote commander Remote commander

2005-08-16

2005-08-16

Pascal, Leslie (Department: 2633)

Optical communications

Remote control

C398S120000, C398S185000

Reexamination Certificate

active

06931209

ABSTRACT:
A remote commander in which a switching element connected in series to an infrared light-emitting diode is turned on and off in response to carrier pulses to energize the infrared light-emitting diode to generate an infrared remote control signal includes varying means for varying duty ratios of carrier pulses.

REFERENCES:
patent: 4814741 (1989-03-01), Hongo et al.
patent: 5438328 (1995-08-01), Kweon
patent: 5870380 (1999-02-01), Diehl et al.
patent: 6020729 (2000-02-01), Stratakos et al.
patent: 6344874 (2002-02-01), Helms et al.
patent: 08204983 (1996-08-01), None

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