Apparatus for fanning out near infrared radiation in an...

Details Apparatus for fanning out near infrared radiation in an... Apparatus for fanning out near infrared radiation in an...

2007-04-17

2007-04-17

Epps, Georgia (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C359S356000, C340S555000, C280S735000

Reexamination Certificate

active

10730857

ABSTRACT:
An automotive occupant position restraint apparatus senses a position of an occupant of a motor vehicle. The apparatus includes an optical energy source emitting a first beam of optical energy. A first optical arrangement is disposed in a path of the first beam of optical energy. The first optical arrangement expands the first beam of optical energy into a plurality of second beams of optical energy spanning across a first angle. A second optical arrangement is disposed in a path of the second beams of optical energy. The second optical arrangement expands the second beams of optical energy into a plurality of third beams of optical energy spanning across a second angle larger than the first angle. An optical energy receiver receives optical energy from the third beams, wherein the received optical energy has been reflected within a passenger compartment of the motor vehicle.

REFERENCES:
patent: 6914526 (2005-07-01), Wallace et al.
patent: 2004/0108990 (2004-06-01), Lieberman et al.

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