Human body detection device and electronic equipment using...

Details Human body detection device and electronic equipment using... Human body detection device and electronic equipment using...

2004-07-15

2008-08-12

Porta, David P. (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

Reexamination Certificate

active

07411195

ABSTRACT:
The human body detection device comprises a pyroelectric-type sensor7for detecting presence of a human body and an infrared distance-measuring sensor2for detecting a distance to a human body H detected by the pyroelectric-type sensor7in combination. The infrared distance-measuring sensor2is provided with a plurality of infrared-ray emitting devices3-0, . . . , 3-4arranged in various directions of infrared-ray emission I1for covering the whole detection range of the pyroelectric-type sensor7. There are also provided a light receiving surface for making infrared rays I1′reflected by a detection object H incident thereon and position sensing devices4for outputting a signal indicating a distance to the object H according to a position of the incident light on the light receiving surface. The position sensing device4corresponding to a plurality of the infrared-ray emitting devices are housed in one housing20. This human body detection device is small and low-cost.

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