Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1993-10-05
1996-01-23
Sikes, William L.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
340555, 340556, 340557, B62D 124, B60T 716
Patent
active
054866910
ABSTRACT:
A monitoring apparatus for working machines (16) has a light curtain (11) at the entry side (14) of the working space (13). A rotational scanner (12) is also provided which scans at least the dangerous zone of the working space in a horizontal plane in order to also protect body parts of operators which enter into the working space (13).
REFERENCES:
patent: 4514625 (1985-04-01), Heiland
Abraham Fetsum
Erwin Sick GmbH Optik-Eletronik
Sikes William L.
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