Method for the automatic location of particular zones of a surfa

Details Method for the automatic location of particular zones of a surfa Method for the automatic location of particular zones of a surfa

1976-03-25

1977-11-22

Dobeck, B.

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

318577, 318640, 250202, G05B 1942

Patent

active

040597873

ABSTRACT:
Particular zones are given a distinctive appearance with respect to surrounding areas on a surface such as a printed-circuit board to be drilled in an automatic process. The surface is automatically scanned in a system of two rectilinear perpendicular coordinates by a reader comprising at least one detector which is responsive to the distinctive appearance. The coordinates of the surface points for which the detector delivers a signal representing the presence of the distinctive appearance during the scanning are recorded in a coded form which can be utilized by the automatic machine.

REFERENCES:
patent: 3532893 (1970-10-01), Marantette
patent: 3610935 (1971-10-01), Voros
patent: 3703674 (1972-11-01), Doxey
patent: 3774098 (1973-11-01), Moss
patent: 4002900 (1977-01-01), Sitnichenko et al.

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