Motion detection system

Details Motion detection system Motion detection system

1998-03-25

2000-12-19

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250353, 250DIG1, G08B 13191

Patent

active

06163025&

ABSTRACT:
A detection system including motion detectors, which are built up and connected in such a manner that movement of an object through successive surveillance areas in one direction will result in the delivery of a first detector signal, which is different from a second detector signal, which will be delivered upon movement of said object through the surveillance areas in at least partially opposite direction. The trend of the detector signals furthermore includes a measure for the distance at which the object passes the detection system. When the structures for the motion detectors are provided on the substrate in a specific manner, it becomes possible to manufacture such motion detectors in a simple manner.

REFERENCES:
patent: 4614938 (1986-09-01), Weitman
patent: 5229547 (1993-07-01), Murata et al.
patent: 5291020 (1994-03-01), Lee

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