Automatic sensing of safe-operation sensor apparatus and method

Details Automatic sensing of safe-operation sensor apparatus and method Automatic sensing of safe-operation sensor apparatus and method

2007-07-24

2007-07-24

Nguyen, Tai (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S686100, C340S545100, C340S540000, C340S541000, C318S280000, C318S484000, C318S468000, C318S626000

Reexamination Certificate

active

11261885

ABSTRACT:
A movable barrier operator having a microprocessor (10) or other programmable platform will automatically work in a safe and appropriate manner both with and without safe-operation sensors (13). Once a safe-operation sensor is detected, the operator will thereafter function in a fashion that requires the continued presence of such sensor. In one embodiment, the operator state can be purposely reset to the initial operating state.

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International Search Report for PCT/US03/13664 mailed Feb. 19, 2004.

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