Apparatus for correcting scanning rate deviation of a galvanomet

Details Apparatus for correcting scanning rate deviation of a galvanomet Apparatus for correcting scanning rate deviation of a galvanomet

1985-11-13

1988-12-13

Gruber, Felix D.

Boots, shoes, and leggings

346108, 350 65, G01C 2500, G01D 942

Patent

active

047915919

ABSTRACT:
A method and apparatus for correcting deviation from a constant scanning speed of a galvanometer driven by a linear drive signal, characterized in that the linear drive signal for driving the galvanometer is converted into a non-linear drive signal in accordance with predetermined correction data to thereby reduce the deviation to zero.

REFERENCES:
patent: 4213146 (1980-07-01), Maiman
patent: 4272151 (1981-06-01), Balasubramanian
patent: 4293202 (1981-10-01), Ohnishi et al.
patent: 4323906 (1982-04-01), Ohnishi et al.
patent: 4340894 (1982-07-01), Oono et al.
patent: 4618940 (1986-10-01), Schmitt
patent: 4630223 (1986-12-01), Schoon
patent: 4692884 (1987-09-01), Pryor

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