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Class 396/213 - EXPOSURE CONTROL CIRCUIT


Subclass of Class 396 - Photography
Definition: Subject matter having electric circuit means to control
No. of patents: 188
Last issue date: 05/29/2012


1          
NumberTitleIssue Date
8190017Electro-mechanical shutter control
A method in a camera device having an image sensor and an electro-mechanical shutter mechanism is as follows. A constant drive current is applied to the shutter mechanism to close shutter at the end of a first exposure. Then, a decaying drive current is applied to t...
05/29/2012
8032019Camera body and imaging apparatus
A camera body is provided, to which an interchangeable lens is mountable, the interchangeable lens including a diaphragm and capable of sending driving speed information of the diaphragm. The camera body has a receiving unit operable to receive the driving speed inf...
10/04/2011
8014663Camera, accessory, and camera system
A camera includes a camera control unit configured to acquire information on an accessory mounted on the camera by performing communication with an accessory control unit included in the accessory and to control a photographing operation based on the information on ...
09/06/2011
7995913Electronic camera
An electronic camera and method include an imaging device, a luminance detection device, a selection device, a first control circuit, a second control circuit and a third control circuit. The first control circuit re-executes an exposure calculation by adjusting the...
08/09/2011
7962032Portable composite apparatus and method of controlling photographing modes
A portable composite apparatus and a method of controlling photographing modes. The portable composite apparatus includes a decision unit to decide whether current time information is included in a time range corresponding to a current photographing mode by referrin...
06/14/2011
7957639Method and system for determining optimal exposure of structured light based 3D camera
Provided are a method and system for determining an optimal exposure of a structured light based 3D camera. The system includes a projecting means for illuminating a predetermined pattern on a target object, an image capturing means for capturing an image of the tar...
06/07/2011
7949250Electro-mechanical shutter control
A method in a camera device having an image sensor and an electro-mechanical shutter mechanism is as follows. A constant drive current is applied to the shutter mechanism to close shutter at the end of a first exposure. Then, a decaying drive current is applied to t...
05/24/2011
7945155Apparatus for capturing images, method of controlling exposure in the apparatus, and computer readable recording medium storing program
A method of controlling exposure under low brightness conditions, comprising calculating an automatic exposure time such that an exposure time is substantially in inverse proportion to the brightness of a subject; when the automatic exposure time is smaller than a f...
05/17/2011
7925153Imaging apparatus and control method thereof
An imaging apparatus includes an image sensor, a diaphragm control unit configured to control an aperture value of a diaphragm, and an electronic shutter control unit configured to control an operation of an electronic shutter for adjusting a charge accumulation tim...
04/12/2011
7925152Exposure control method
An exposure control method adjusts an exposure setting used for capturing an image including a foreground object and a background. The foreground object is extracted from the image by an object detection procedure. If the area of the foreground object is greater tha...
04/12/2011
7783189Imaging apparatus and control method thereof
An imaging apparatus includes an image sensor, a diaphragm control unit configured to control an aperture value of a diaphragm, and an electronic shutter control unit configured to control an operation of an electronic shutter for adjusting a charge accumulation tim...
08/24/2010
7761002Image capture apparatus and image capture method
In an image capture apparatus which captures an image, with respect to one or a plurality of types of parameters to be set at a photo opportunity, a desired set value of the parameter is registered beforehand, and it is possible to easily change to a setting for the...
07/20/2010
7742694Optical apparatus with aperture controller
An optical apparatus, such as an image pickup apparatus, includes a detector configured to detect whether a manual aperture operation unit is operated by an amount greater than or equal to a predetermined amount during automatic aperture control. When an aperture fi...
06/22/2010
7706676Automatic exposure control method
An automatic exposure control method is used to control a shooting exposure parameter for shooting an image by a shooting end. At least one middle brightness value is acquired between a brightness value of a background region and an overall brightness value, and the...
04/27/2010
7702236Digital image acquisition device with built in dust and sensor mapping capability
A digital image acquisition device has an image acquisition sensor, a shutter, an aperture and optical elements for focusing an image on the sensor. The device includes a light source located in the body of the device. The light source is periodically activated with...
04/20/2010
7684690Method and system for automatic exposure compensation
A method for automatic exposure compensation is disclosed. A shutter is activated and the environmental brightness is detected using a sensor. An exposure value is calculated according to the detection result to obtain a default exposure time. It is determined wheth...
03/23/2010
7668452Apparatus for automatically controlling exposure of image sensor
An automatic exposure control apparatus employed by an image sensor module including a lens unit, an image sensing unit having a shutter, and an image signal processing unit, the apparatus including: a brightness calculator extracting average brightness of a image s...
02/23/2010
7646976Digital camera
A digital camera includes an imaging device for capturing images of an object, a signal processor which performs signal processing on a signal captured by the imaging device to obtain an image signal, and a single measuring device for measuring color of at least a p...
01/12/2010
7590346Digital camera
A digital camera includes: an image sensor that captures an image of a subject and outputs an image signal; and a control device that engages the image sensor to capture an image at an exposure value having been set, makes a decision as to whether or not an overflow...
09/15/2009
7532814Electronic camera
A digital camera (10) includes a CCD imager (16). An image signal corresponding to an optical image is output from the CCD imager (16), and an incident light amount to the CCD imager (16) is restricted by an aperture unit (14). A C...
05/12/2009
7526194Method and apparatus for adjusting exposure for a camera
A camera phone and method for automatically adjusting the exposure of a camera in order to improve image of an object is previewed with a current exposure, data is extracted from frames of the previewed image and analyzed to determine illumination of the previewed o...
04/28/2009
7474847Method and system in digital imaging for adjusting exposure and a corresponding device
The invention relates to a method in digital imaging for adjusting exposure, in which one or more exposure parameters (ET, AG) of a camera device are adjusted in connection with imaging. In the method, a histogram formed from a raw image frame (12) is analyse...
01/06/2009
7444075Imaging device, camera, and imaging method
At least one exemplary embodiment is directed to an imaging device, for taking images under different exposure conditions to create a single image, which includes a first condition-obtaining device configured to obtain a first exposure condition candidate for an Nth...
10/28/2008
7403707Method for estimating camera settings adaptively
A camera is configured to adaptively determine camera settings. The camera includes a plurality of sensors elements configured to acquire a current image of a scene according to a current set of camera settings. A number of sensor elements having a set of desirable ...
07/22/2008
7369762Projector device, and photographing method and program of projected image
A protector device is provided which includes a projecting system, a photographing system, and a control section. The projecting system includes a light source lamp, a micromirror element, and a projecting lens, and each image for each of a plurality of color compon...
05/06/2008
7292280Camera, aperture controlling method and apparatus, lens controlling method and apparatus, and edging amount controlling method and apparatus
Maximum and minimum aperture sizes are regulated with regard to a diaphragm in order to secure predetermined optical capability in an optical unit which includes a taking lens and the diaphragm. In a normal taking, the diaphragm is used within a normal taking range ...
11/06/2007
7283171Image pickup apparatus with external device
An image pickup apparatus including an image pickup device configured to convert a monitored object image into an electrical image signal and to output the image signal, a clock generator configured to generate a constant cyclic drive frequency to drive the image pi...
10/16/2007
7270422Image processing system, projector, program, information storage medium, and image processing method
A projector includes an image projection section, a sensor that senses a projected first calibration image at a low resolution and generates first sensing information, senses the first calibration image at a high resolution and generates third sensing information, a...
09/18/2007
7268337Optical sensor, output processing method of optical sensor, display device, and electronic apparatus
An optical sensor includes a light receiving element in which a current corresponding to the amount of received light flows between one end and the other end thereof, a comparator which compares a voltage at the one end of the light receiving element with a predeter...
09/11/2007
7200513Method for clocking speed using wireless terminal and system implementing the same
A system and method are provided for clocking the speed of a moving object using a wireless terminal in a preview mode of a camera, wherein the method includes the steps of entering a preview mode for speed measurement when a speed measurement function is selected i...
04/03/2007
7178778Portable easel
This invention is a collapsible panel assembly having a front panel, a back panel, and at least one dry erase sheet carried by said front panel. The invention can have a first position where the collapsible panel assembly is generally a triangular shape and a second...
02/20/2007
7167645Image processing system, projector, information storage medium, and image processing method
A projector includes an image projection section which projects a white image and a black image, a sensor which has an exposure adjustment function, generates first sensing information by sensing the white image, and generates second sensing information by sensing t...
01/23/2007
7133608Camera
A camera divides a light beam having passed through a taking lens unit into two light beams. One light beam forms an image on a silver salt film. Another light beam forms an image on a CCD. A light path for said another light beam is provided with an aperture diaphr...
11/07/2006
7093414Articulated mower for mowing around fenceposts and other upright obstructions
A pull-behind mower for cutting ground vegetation. The mower generally includes a rolling frame and a mowing deck. The deck is independently articulatable relative to the frame on two distinct pivot axes. ...
08/22/2006
7071987Digital camera having automatic exposure control for different photographing modes
A digital camera includes an image pick-up element which receives light reflected from an object and generates image data of the object, and a light-receiving element which receives light reflected form the object and outputs light-quantity data for the object. The ...
07/04/2006
7053938Speech-to-text captioning for digital cameras and associated methods
A digital camera includes a processor and a microphone. The camera captures audio speech and converts the speech to text. The text can be combined with a captured image to provide a composite file. The processor executes an instruction set which performs the audio t...
05/30/2006
7012590Motionless-image display with auto-adjusting light system and the method for forming the same
An auto-adjusting light system includes an inputting sub-circuit, a photosensitive sub-circuit, a controlling sub-circuit, a starting sub-circuit, and a display. The inputting sub-circuit is used to input a setting value. The photosensitive sub-circuit is used to ca...
03/14/2006
6989761Photo-timer module
A photo-timer module, including a upper cover which has a hollow window; a lower cover which could affix to said upper cover; a control and power circuit which is placed into said upper cover, wherein a portion of said control and power circuit is revealed in said h...
01/24/2006
6930723Quantity-of-light adjusting apparatus
In a quantity-of-light adjusting apparatus having an iris and an ND filter which limit incident light, a control method for the quantity-of-light adjusting apparatus, and a computer program product providing a control program for the quantity-of-light adjusting appa...
08/16/2005
6900886Photometric apparatus
A photometric apparatus includes an exposure value calculator for calculating an exposure value based on light data from a photo sensor and an inputted photosensitivity; an exposure value difference calculator for calculating a difference between a calculated exposu...
05/31/2005
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