Apparatus for moving a lens

Details Apparatus for moving a lens Apparatus for moving a lens

1987-04-16

1988-03-29

Gellner, Michael L.

G03B 310

Patent

active

047347260

ABSTRACT:
An apparatus for moving a lens between first and second positions, comprising; a support member means for supporting said lens, an electric motor connected to said support member means for moving said support member, a control circuit means connected to said motor for supplying a first current to said motor to move said support member means from said first position to said second position and vice versa and a second current to said motor to hold said support member means at least one of said first position and second position, said second current being smaller than said first current.

REFERENCES:
patent: 4601563 (1986-07-01), Miyawaki et al.
patent: 4639111 (1987-01-01), Harvey

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