Sensing system for pet controllable access

Details Sensing system for pet controllable access Sensing system for pet controllable access

2007-04-24

2007-04-24

Hofsass, Jeffery (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C119S053000, C119S061500, C119S858000, C119S859000

Reexamination Certificate

active

10984240

ABSTRACT:
Pet sensing is accomplished by detecting pulsed infrared light reflected from a pet worn collar or harness devised of highly reflective material. To avoid false triggering, a dual set of infrared light emitting and detecting sensor units works in conjunction with logic circuitry for reliable activation of an electrically actuated access device.

REFERENCES:
patent: 6145473 (2000-11-01), Keisner
patent: 6349671 (2002-02-01), Lewis et al.
patent: 2004/0100386 (2004-05-01), Tendler
patent: 2005/0252622 (2005-11-01), Reid
patent: 10136819 (1998-05-01), None

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