Optical system controlling apparatus

Details Optical system controlling apparatus Optical system controlling apparatus

1994-01-07

1995-04-11

Gray, David M.

G03B 1300

Patent

active

054063450

ABSTRACT:
An optical system controlling apparatus includes a plurality of lenses for varying an optical characteristic, a plurality of driving parts for driving the plurality of lenses, respectively, a plurality of sensors for detecting the respective states of drive of the plurality of lenses, and a controlling circuit for driving each of the driving parts on the basis of detection information provided by the sensor and controlling each of the lenses during a steady state. The controlling circuit is capable of performing initialization for the respective lenses by parallel processing during an initial state before the steady state is established.

REFERENCES:
patent: 5065175 (1991-11-01), Suzuki et al.

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