Remote control transmitter

Details Remote control transmitter Remote control transmitter

2004-11-22

2009-02-17

Phan, Hanh (Department: 2613)

Optical communications

Remote control

C398S107000, C398S108000, C398S109000, C398S111000, C398S112000, C398S114000, C398S115000, C398S116000, C398S118000, C398S119000, C398S164000, C398S182000, C398S192000, C398S194000, C398S135000, C340S870030, C340S870030, C340S870030, C340S870030, C341S176000, C348S734000, C345S169000, C345S158000, C345S173000

Reexamination Certificate

active

07493046

ABSTRACT:
Light emitting diodes are placed side by side at a front end of the remote control transmitter in a manner that their maximum radiation directions, i.e. radiation directions each giving a maximum radiation intensity, are each inclined at an angle within a range no larger than 5 degrees outwardly of the remote control transmitter1and symmetrically with respect to a bisector of a line segment which connects center points of the light emitting diodes. The inclination, within a range no larger than 5 degrees, of each of the light emitting diodes used as light sources for remote control does not cause significant reduction in the radiation intensity. Accordingly, it is possible to widen the transmittable angle within a range no larger than 10 degrees without significantly reducing the radiation intensity at a central portion of the radiation range.

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