Camera incorporating a zoom lens

Details Camera incorporating a zoom lens Camera incorporating a zoom lens

1990-12-10

1993-05-04

Gellner, Michael L.

G03B 310

Patent

active

052086232

ABSTRACT:
Camera incorporating a zoom lens which includes an operating member for zooming, a means for driving the zoom lens, and a control for controlling the drive means. The control means controls the drive means in a first driving mode in which the zoom lens is moved in a predetermined direction upon operation of the operating member and is also moved in the same direction upon further operation of the operating member. The moving direction is reversed upon reaching either the telescopic end of the travel or at the wide-angle end of the travel.
Alternatively, a second driving mode is provided wherein the zoom lens is moved in a predetermined direction upon operation of the operating member, reverses direction of movement upon further operation of the operating member, and reverses a moving direction upon reaching either the telescopic end of the travel or at the wide angle end of the travel.

REFERENCES:
patent: 4936664 (1990-06-01), Haraguchi et al.
patent: 4962399 (1990-10-01), Numako et al.

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