Door sensor and door equipped with such door sensor

Details Door sensor and door equipped with such door sensor Door sensor and door equipped with such door sensor

2005-11-29

2005-11-29

Nguyen, Hung (Department: 2636)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S545100, C340S545300, C340S547000, C340S480000, C340S551000

Reexamination Certificate

active

06970085

ABSTRACT:
Door sensor(s) may be attached to a door body or bodies of automatic swing doors. The door sensor(s) may be equipped with door position detectors including geomagnetic sensor(s), the sensor(s) being itself or themselves capable of detecting position(s) occupied by the door body or bodies during opening and/or closing thereof. During opening and/or closing of the door body or bodies, determination may be made as to whether detected object(s) are object(s) intended for detection; and in the event that object(s) are object(s) intended for detection, opening and/or closing of the door body or bodies may be stopped, slowed, and/or reversed in correspondence to detected position(s) occupied by the door body or bodies during opening and/or closing thereof.

REFERENCES:
patent: 5963000 (1999-10-01), Tsutsumi et al.
patent: 6292100 (2001-09-01), Dowling
patent: 6304178 (2001-10-01), Hayashida
patent: 2004/0113778 (2004-06-01), Script et al.
patent: 9-209652 (1997-08-01), None
Provisional U.S. Appl. No. 60/018,829, Filed on May 30, 1996, Script et al.

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