Class 396/64 - Control of full open aperture value

Subclass of Class 396 - Photography
Definition: Subject matter wherein the effective maximum aperture size
No. of patents: 19
Last issue date: 08/17/2010

Number	Title	Issue Date
7778538	Lens barrel The present invention provides a lens barrel having an optical system capable of change of a focal length, comprising: a diaphragm device which controls a light amount of light incident to the optical system and passing to an image forming surface; and an open F val...	08/17/2010
7760999	Image capturing apparatus, control method thereof, program, and storage medium An image capturing apparatus includes an image sensor which photo-electrically converts an object image formed by an objective lens, a shutter which is arranged between the objective lens and the image sensor, opens to set the image sensor in an exposure enable stat...	07/20/2010
7222307	Multipurpose navigation keys for an electronic imaging device A method and apparatus for a portable electronic imaging device, comprising a display screen for displaying objects including any combination of digital still images, video clips, menu items, and icons; and a navigation controller comprising navigation keys for allo...	05/22/2007
6891682	Lenses with tunable liquid optical elements A tunable optical lens includes a solid refractive optical lens, a channel adjacent to the solid refractive optical lens, and an extended body of liquid. A portion of the body forms at least part of an aperture stop for the lens. The portion of the body forms a meni...	05/10/2005
6771897	Lens barrel and camera The present invention discloses a lens apparatus that can switch the aperture diameter of the light-blocking member using a body structural member constituting a portion of the lens apparatus. The lens apparatus includes a lens unit that is moved in a direction of a...	08/03/2004
6744981	Camera with diaphragm restriction clearing section It is an object of the present invention to provide a camera that can take a bright photograph in a dark place. If a light value is equal to or smaller than a predetermined value, an aperture regulation for a diaphragm is cleared, and the aperture of the diaphragm i...	06/01/2004
6443638	Exposure control apparatus used for a camera A flash lever for actuating a flash switch is interlocked with a stop plate via a spring. When a picture is taken without a flash, photographing is performed in a state that a small stop opening of the stop plate is disposed at an optical path. When the f...	09/03/2002
6163816	System and method for retrieving capability parameters in an electronic imaging device The present invention includes a system and method for obtaining a set of capability parameters for an electronic imaging device. The invention includes a series of capability parameter storage locations for containing capability parameter value sets, a G...	12/19/2000
6154613	Diaphragm device having full-open aperture diameter electrically varied according to zooming An optical apparatus having a diaphragm device required to have the full-open aperture thereof varied according to zooming includes a zoom detection part for detecting the state of zooming, the diaphragm device including a motor serving as a drive source ...	11/28/2000
6088534	Camera having an aperture controllable shutter A camera provided with an aperture controllable shutter capable of determining exposure by varying aperture movement, and a photographic lens capable of varying focal length. In accordance with the focal length of the photographic lens, an aperture size o...	07/11/2000
6070016	Lens control device A lens control device which uses a zoom lens in which the state of marginal light quantity varies according to each focal length is arranged to compensate for a variation in marginal light quantity during zooming by detecting the focal length and controll...	05/30/2000
5687400	Built-in flash camera A photometry part measures a brightness within a shot visual field. A focusing part measures a distance up to a main subject. A focal length measuring part measures a focal length of a taking lens. A strobe light control part directs a strobe to flash reg...	11/11/1997
5247326	Camera system capable of automatic focus control A camera system with an auto-focusing system includes a camera body and an interchangeable zoom lens. The interchangeable objective lens stores various data to be sent to the camera body for improving automatic focus adjustment, such as an information nec...	09/21/1993
5146259	Electronically controlled camera including automatic shutter speed changing apparatus An electronically controlled camera having a zoom function for changing a focal length of a taking lens and a manual function which is able to select the shutter speed by the manual operation when the camera is in a manual mode, shutter speed automatic ch...	09/08/1992
5119122	Camera capable of providing a pseudo print format A camera includes a taking lens for photographing an object, a detection device for detecting the brightness of the object, a driver device for driving the taking lens to change a first magnification representing image size of the object, a generator devi...	06/02/1992
4974000	Camera system operable by carrying data from a camera accessory A camera system operable with data carried from a camera accessory to a camera body. The camera accessory has a ROM for storing various data at a plurality of addresses, respectively, each of which data consists of a plurality of bits, and a coupling term...	11/27/1990
4970541	Camera system operable by carrying data from a camera accessory to a camera body A camera system operable with data carried from a camera accessory to a camera body. The camera accessory has a ROM for storing various data at a plurality of addresses, respectively, each of which data consists of a plurality of bits, and a coupling term...	11/13/1990
4791445	Automatic focus control camera In an automatic focus control camera capable of obtaining a focus control information during focus adjustment comprising focus control information obtaining means requiring a time between the sensing of the focus condition and the generation of data indic...	12/13/1988
4560267	Camera system operable by carrying data from a camera accessory to a camera body A camera system operable with data carried from a camera accessory to a camera body. The camera accessory has a ROM for storing various data at a plurality of addresses, respectively, each of which data consists of a plurality of bits, and a coupling term...	12/24/1985

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Class 396/64 - Control of full open aperture value