Composite sensor for door and automatic door system

Details Composite sensor for door and automatic door system Composite sensor for door and automatic door system

2007-05-22

2007-05-22

Duda, Rina (Department: 2837)

Electricity: motive power systems

Motor-reversing

Periodic- or intermittent-reversing

C318S286000, C318S466000, C318S468000, C049S026000, C049S028000

Reexamination Certificate

active

11432927

ABSTRACT:
A first area (16) for detecting an object is formed by a radio wave or an ultrasonic wave, and a second area (18) for detecting an object by means of light is formed near the first area (16). When an object is detected in the first area (16) approaching the second area (18), the second area (18) is enabled. When an object is detected in the first area (16) moving in the direction away from the second area (18), the second area (18) is disabled.

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BEA ACTIV8 THREE ON User's Guide, 42.0166/ V2, Feb. 2004, pp. 1-8.
BEA ACTIV8 Three Technical Specification, Sep. 28, 2002, www.beasensors.com.
BEA ACTIV8.3 motion senor, product information, 2 pages.

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