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Browse by Category: Main > Optical & Optics
Class Information
Number: 396/129
Name: Photography > With exposure objective focusing means, focusing aid, or rangefinding means > Power supply control
Description: Subject matter wherein the means for adjusting an exposure objective includes details of an electrical power generation, regulation, or control circuitry.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8694815 Power supply control apparatus, image processing apparatus, storage medium storing power supply control program Apr. 8, 2014
8614767 Preview image display compensation based on environmental lighting conditions Dec. 24, 2013
8478119 Lens movement control method and lens movement control apparatus of camera module Jul. 2, 2013
7773875 Auto-focusing camera module having liquid lens Aug. 10, 2010
7606477 Electronic camera Oct. 20, 2009
7228070 Image projection apparatus, projection image pattern, laser drive apparatus, camera apparatus Jun. 5, 2007
7149421 Image pickup apparatus and power supply control method therefor Dec. 12, 2006
6937285 Image pickup apparatus and power supply control method therefor Aug. 30, 2005
6778770 Camera control settings with persistence based on elapsed time since power-off Aug. 17, 2004
6694097 Distance measuring device, focus detector, and camera including plural sensors and controller for selectively providing power to sensors and respective processing circuits Feb. 17, 2004
6650833 Exposure control drive apparatus Nov. 18, 2003
6643458 Image pickup apparatus and method of controlling same Nov. 4, 2003
6580571 Lens apparatus Jun. 17, 2003
6424808 Focus detecting device, and camera having the focus detecting device Jul. 23, 2002
6246467 Rangefinder apparatus Jun. 12, 2001
6173123 Rangefinder apparatus Jan. 9, 2001
5832324 Power supply unit of camera Nov. 3, 1998
5809315 Electronic apparatus Sep. 15, 1998
5802405 Camera apparatus that can have the time for moving rear lens group reduced when powered Sep. 1, 1998
5752100 Driver circuit for a camera autofocus laser diode with provision for fault protection May. 12, 1998
5692094 Film image scanning apparatus for picking up an image and magnetic data recorded on a film without deterioration from noise generated by a peripheral circuit Nov. 25, 1997
5669023 Optimal charging and energy conserving apparatus and method for controlling camera functions in an automatic flash camera Sep. 16, 1997
5606382 Manual focusing circuit using a signal stabilizer Feb. 25, 1997
5438387 Automatic focusing camera with control of focusing optical system position and driving power source velocity Aug. 1, 1995
5327070 Power supply circuit for driving a light emitting element Jul. 5, 1994
5283608 Camera capable of outputting brightness and measured distance information Feb. 1, 1994
5268729 Means for repeatedly measuring object distance responsive to pulse light reflected from an object and utilizing the measurements for photographing Dec. 7, 1993
5177520 Optical apparatus Jan. 5, 1993
5142318 Camera system capable of automatic focus control Aug. 25, 1992
5117251 Reflex camera May. 26, 1992
5117250 Flashlight photographing device May. 26, 1992
5043754 Power supply device for camera Aug. 27, 1991
5034769 Interchangeable camera and interchangeable flash device Jul. 23, 1991
4992821 Camera Feb. 12, 1991
4746948 Focus detection device May. 24, 1988
4733262 Camera system capable of automatic focus control Mar. 22, 1988
4652108 Driving device for illuminating lamp of flash apparatus Mar. 24, 1987
4648700 Distance detecting device for a camera Mar. 10, 1987
4623238 Camera system capable of automatic focus control Nov. 18, 1986
4557579 Automatic focussing apparatus Dec. 10, 1985
4550993 Device for providing a camera system with an information for a focus adjustment Nov. 5, 1985
4542972 Automatic focus controlling camera Sep. 24, 1985
4537489 Automatic focusing device Aug. 27, 1985
4537488 Camera system Aug. 27, 1985
4536072 Automatic focus control system Aug. 20, 1985
4527879 Camera system Jul. 9, 1985
4502774 Battery check device for camera Mar. 5, 1985
4477169 Automatic focusing camera system and photographing lens structure therefor Oct. 16, 1984
4460258 Lens barrel containing an automatic focus matching device therein Jul. 17, 1984
4455070 Compensating circuit for an infrared-ray signal detection device in an auto focus camera Jun. 19, 1984

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