Sensing apparatus

Details Sensing apparatus Sensing apparatus

2007-09-04

2007-09-04

Epps, Georgia (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S231180

Reexamination Certificate

active

11166001

ABSTRACT:
Motion sensing apparatus including at least one light sensitive electronic component, said component responsive to at least a first and second incident light level each level creating in said light sensitive component a first state and a second state, wherein the apparatus is configured to measure the response of the light sensitive component during the first state for at least one of the incident light levels and to compare the response with a previously recorded value.

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transmission. (1992). In Academic Press Dictionary of Science and Technology. Retrieved Jan. 4, 2007, from http://www.xreferplus.com/entry/3170326.

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