Optics: measuring and testing – Angle measuring or angular axial alignment
Patent
1991-04-26
1992-11-10
Evans, F. L.
Optics: measuring and testing
Angle measuring or angular axial alignment
356446, G01B 1100
Patent
active
051628651
ABSTRACT:
A method of positioning a measuring field of a sensor device on a selected region of an outer cylindrical surface of a cylinder in a rotary printing press, includes directing a light spot of a pilot light source into the selected region; storing the position of the light spot on the outer cylindrical surface of the cylinder in a computing/control device; and controlling the sensor device so that it supplies measured data from the selected region, and a device for performing the method.
REFERENCES:
patent: 4565450 (1986-01-01), Wirz et al.
patent: 4677298 (1987-06-01), Zelmanovia et al.
patent: 4737035 (1988-04-01), Aoki et al.
patent: 4976545 (1990-12-01), Kipphan et al.
patent: 5050994 (1991-09-01), Kipphan et al.
Kipphan Helmut
Loffler Gerhard
Evans F. L.
Greenberg Laurence A.
Heidelberger Druckmaschinen AG
Lerner Herbert L.
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