Auto focus apparatus

Details Auto focus apparatus Auto focus apparatus

2006-09-19

2006-09-19

Perkey, W. B. (Department: 2851)

Photography

With exposure objective focusing means, focusing aid, or...

Temperature compensating

C348S349000

Reexamination Certificate

active

07110667

ABSTRACT:
An auto focus apparatus of the present invention comprises a first temperature detection device, a second temperature detection device, a reference driving range storage device, a correction information storage device, a reference driving range acquisition device, a correction information acquisition device, a driving range setting device, and a driving control device.

REFERENCES:
patent: 6023589 (2000-02-01), Ohta
patent: 11-142714 (1999-05-01), None
patent: 2003-131106 (2003-05-01), None

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