Robot cell safety system

Details Robot cell safety system Robot cell safety system

1986-09-29

1989-02-14

Roskoski, Bernard

Electrical transmission or interconnection systems

Switching systems

Condition responsive

901 47, 250221, 358108, 340556, 414786, H01H 3500, B25J 1900

Patent

active

048048607

ABSTRACT:
Arrangements for detecting the presence of an opaque object in an area, such as a person in a robotic work cell. Multiple light sources, light reflecting surfaces, light boxes with hole patterns or fiber optic light sources are spaced around the perimeter of the area and imaged by a camera. The change of the camera signal from its normal condition is used to interrupt power to safeguard personnel and/or machinery.

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patent: 4380696 (1983-04-01), Masaki
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patent: 4433325 (1984-02-01), Tanaka et al.
patent: 4546246 (1985-10-01), Bechtel
patent: 4652205 (1987-03-01), Ross et al.

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