Relative positional relation detecting system

Details Relative positional relation detecting system Relative positional relation detecting system

1987-10-02

1989-03-07

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

33533, 738658, 324538, 340540, 340686, 250555, G08B 2100

Patent

active

048110027

ABSTRACT:
A relative positional relation detecting system has a detector for the recognition of and inspection by use of a predetermined identification mark provided on each of at least two members to be put in a predetermined relative position to each other. The detector comprises an irradiation device for irradiating the identification mark with rays of light, a light detection device for detecting reflected rays of light from the identification mark, and a judging device for judging whether or not the members are put in the predetermined relative position, depending on a detection signal from the light detection device.

REFERENCES:
patent: 3611261 (1971-10-01), Gregory
patent: 3898617 (1975-08-01), Kashioka et al.
patent: 4507697 (1985-03-01), Ozil et al.
patent: 4649369 (1987-03-01), Walker et al.

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