Automatic focus control based on voltage, temperature, and...

Details Automatic focus control based on voltage, temperature, and... Automatic focus control based on voltage, temperature, and...

2006-09-19

2006-09-19

Vu, Ngoc-Yen (Department: 2612)

Television

Camera, system and detail

Power supply

C348S345000

Reexamination Certificate

active

07110037

ABSTRACT:
A digital camera is provided with, a voltage detection unit for a driving power supply, a temperature detection unit which detects an inner temperature and an outer temperature of the apparatus, a power supply detection unit which detects whether the power supply is an AC power supply or a DC power supply (battery), a power-supply condition control unit which makes a determination as to a power-supply state of the apparatus based upon a voltage, a temperature and the kind of the power supply that have been respectively detected by the respective detection and monitoring unit; and a focusing unit which automatically focuses a focus lens system onto a subject, and in this arrangement, the gap of automatic focusing timing is varied by an output from the power-supply condition control unit.

REFERENCES:
patent: 5614983 (1997-03-01), Iwane et al.
patent: 5799214 (1998-08-01), Iwane
patent: 5831945 (1998-11-01), Shinbori et al.
patent: 6292256 (2001-09-01), Yoshida
patent: 6812965 (2004-11-01), Kijima et al.
patent: 9-130649 (1997-05-01), None
patent: 2000-253303 (2000-09-01), None

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