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| Number | Title | Issue Date |
| 8190016 | Control of artificial lighting of a scene to reduce effects of motion in the scene on an image being acquired Motion of an image of a scene being captured by a digital image acquisition device is detected and used to control parameters of illumination of the scene by a flash lamp that is typically built into the device. Parameters that may be controlled include the intensit... | 05/29/2012 |
| 7756412 | Light emission control circuit of flash device An optical sensor receives light of a light emitting tube. A photoelectric current output from the optical sensor is integrated by a capacitor. A stop signal output part compares the generated voltage of the capacitor with a comparison voltage and outputs a light em... | 07/13/2010 |
| 7697836 | Control of artificial lighting of a scene to reduce effects of motion in the scene on an image being acquired Motion of an image of a scene being captured by a digital image acquisition device is detected and used to control parameters of illumination of the scene by a flash lamp that is typically built into the device. Parameters that may be controlled include the intensit... | 04/13/2010 |
| 7603031 | Programmable, multi-spectral, image-capture environment A multi-flash photography system provides a dynamically-configurable lighting environment for a single exposure that is created and shaped through the sequentially firing of various light sources with different lighting characteristics controlled in accordance with ... | 10/13/2009 |
| 7515822 | Imaging systems' direct illumination level adjusting method and system involves adjusting operation of image sensor of imaging system based on detected level of ambient illumination In one embodiment, a level of direct illumination for an imaging system is dynamically adjusted based on a level of at least one of ambient illumination or displayed illumination. A level of the at least one of ambient illumination or displayed illumination may be d... | 04/07/2009 |
| 7428379 | Reproduction apparatus and display control method Described is an image data reproduction apparatus including a reproduction section for reproducing image data from a recording medium. A display section shows the image data. An operation section gives a command for switching the display from a one frame image data ... | 09/23/2008 |
| 7359632 | Flash apparatus, image capture apparatus having a flash apparatus, and method of controlling a flash apparatus A flash apparatus or an image capture apparatus includes a charging unit, configured to boost a voltage of an electric source and a control unit, configured to calculate the sum of the light emission amount within a predetermined period of time. The control unit red... | 04/15/2008 |
| 7280150 | Video camera with aperture blade A video camera (10) includes a photographing device (16). The photographing device (16) generates an image signal corresponding to an optical image irradiated on a light-receiving surface, and a monitor (34) displays a moving image based ... | 10/09/2007 |
| 7265332 | Light monitor, electronic circuit incorporating a light monitor, and method of making the same A light monitor includes a single semiconductor substrate. A light to frequency (LTF) converter is on the single semiconductor substrate, a threshold comparator is on the single semiconductor substrate and coupled to an output of the light to frequency converter, an... | 09/04/2007 |
| 7184658 | Automatic flash switching rotational strobe frame In the realm of professional photography, and those amateur wanting professional results, when photographing people, the illumination devices must be located directly above and on the centerline of the camera lens. This is the desired effect as not to have shadows b... | 02/27/2007 |
| 7167202 | Image pick-up apparatus and distance measuring device An image pick-up apparatus comprises a distance measuring unit that measures a distance to a subject, and a stroboscope that emits light of an intensity determined based on the measured distance. There are further provided a distance calculating section that calcula... | 01/23/2007 |
| 7050104 | Image sensing apparatus An apparatus employing a flashlight device such as an electronic still camera, a camcorder, etc. with an adequate luminous quantity during sensing an image, independently of an electric charge accumulation period in an image sensing device, thereby to make an adequa... | 05/23/2006 |
| 6975352 | Apparatus and method for capturing a composite digital image with regions of varied focus and magnification A camera apparatus obtains a sharp, high-resolution image of an object which is difficult to focus in a single image at a fixed focus, such as the imaging of a document using a document camera held at an oblique angle to the document. The apparatus composites an ima... | 12/13/2005 |
| 6958779 | Digital camera A digital camera has a half mirror that splits the optical path from a taking lens to the image-sensing device and an optical viewfinder that offers the light reflected from the half mirror as a visible image. Inside the optical viewfinder, a photometric device is d... | 10/25/2005 |
| 6952084 | Intelligent electrical switching device The present invention, according to a preferred embodiment, is directed to portable electronic devices which operate on exhaustible power sources, for example, batteries. The electronic devices of the present invention comprise at least one signal switch and a micro... | 10/04/2005 |
| 6927799 | Auto-strobe apparatus and method for digital camera An auto-strobe apparatus and an auto-strobe method for the digital camera are provided. There is provided a variable reference voltage signal being inversely proportional to a product of an analog gain, a digital gain, and a gamma value of the digital camera. When t... | 08/09/2005 |
| 6928239 | Strobe light photographing system Strobe light emission is controlled with precision with precision of distance information. A photometry unit measures light reflected by an object to be photographed by preliminary emission in a collection of divided regions. An object distance detection unit detect... | 08/09/2005 |
| 6792202 | Lens-fitted photo film unit with stop changing device A lens-fitted photo film unit is provided with a stop blade that is switched over between a small aperture position and a large aperture position depending upon a subject brightness measured through a photometric circuit that is activated when a shutter button is pr... | 09/14/2004 |
| 6788892 | Strobe light-emission control apparatus When a strobe flash is not emitting light, a photoreception current that is output from a phototransistor is detected and correction current corresponding to amount of extraneous light is produced by a voltage-controlled current source. Further, a light-emission con... | 09/07/2004 |
| 6778769 | Camera A computation expression is stored by which an emission time period for obtaining a predetermined amount of emitted light is obtained by using temperature as a variable. An emission time period is obtained from a temperature on the basis of this computation expressi... | 08/17/2004 |
| 6778764 | Strobe controller system with flash unit interoperability A microprocessor based strobe controller provides an interface between a digital camera and one or more strobe units. The strobe controller provides interoperability and enhanced user control by enabling the user to vary separately the light output of a variety of s... | 08/17/2004 |
| 6766107 | Lens-fitted photo film unit with stop changing device A lens-fitted photo film unit is provided with a stop blade that is switched over between a small aperture position and a large aperture position depending upon a subject brightness measured through a photometric circuit that is activated when a shutter button is pr... | 07/20/2004 |
| 6754447 | Flash controlling apparatus utilizing characteristics of a logarithmic function A flash controlling apparatus is provided including a light receiving unit PS, a current-to-voltage converter IVC, a comparator CR, and a micro-controller MC. The light receiving unit PS generates a current signal corresponding to the flash intensity of a camera. Th... | 06/22/2004 |
| 6707997 | Flash control system There is provided a flash control system for a camera, which is provided with an automatic flash device which uses a predetermined appropriate amount of light to control emission of flash light, a control system that preliminarily emits the flash light, a first phot... | 03/16/2004 |
| 6707995 | Camera having control device for flash photography and its control method A photographing apparatus with a simple mechanism in which an AF sensor is employed as a light adjusting sensor. The apparatus includes a multi-AF sensor having a plurality of detecting areas for receiving light passing through a photographing lens, an AF controller... | 03/16/2004 |
| 6657672 | Flash device, control method and control apparatus for the same, and image pickup apparatus In a flash device, a control method for the flash device, an image pickup apparatus using the flash device, and a control apparatus for the flash device, when causing a light emitting portion to make light emission n times (n being a predetermined integer... | 12/02/2003 |
| 6636700 | Flash device, lens-fitted photo film unit, camera, light measuring device, and method of producing lens-fitted photo film unit A lens-fitted photo film unit is pre-loaded with photo film, and is a flash built-in type. A booster circuit boosts power source voltage to obtain high voltage. A main capacitor stores charge at the high voltage. A flash discharge tube is connected with t... | 10/21/2003 |
| 6633728 | Flash device, lens-fitted photo film unit, camera, and producing method for the same In a lens-fitted photo film unit, a flash device has a booster circuit including primary and secondary windings, the secondary winding generating high voltage when power source voltage is applied to the primary winding. A main capacitor is charged by the ... | 10/14/2003 |
| 6630798 | Electronic flash device of automatic light adjusting type An electronic flash device of an automatic light adjusting type includes a main capacitor for storing charge at a high voltage. A flash discharge tube generates flash light upon discharging the main capacitor therewith. A light adjusting circuit adjusts a... | 10/07/2003 |
| 6577820 | Camera In a camera having an automatic flash light control system, a quantity of flash light illuminating an object is restricted by a value as an upper limit or a lower limit which is calculated by a distance to the object and an aperture value of a taking lens... | 06/10/2003 |
| 6571062 | Electric flash device predicting quantity of overrun light according to target quantity of emission The present invention relates to an electronic flash device capable of dimming control, particularly with the objective of enhancing the dimming precision in weak light emissions. The electronic flash device of the present invention thus predicts the quan... | 05/27/2003 |
| 6556790 | Electronic flash device An electronic flash device includes: a flash light emission circuit that performs a flash light emission; a light emission control circuit that supplies power for light emission to the flash light emission circuit in response to an input of a light emissi... | 04/29/2003 |
| 6535692 | Camera with built-in electronic flash and electronic flash device A camera with a built-in electronic flash device, includes: a photographing lens; an aperture stop; an electronic flash emitting portion; a light receiving element for receiving light reflected on a photographic object which has been emitted by the flash ... | 03/18/2003 |
| 6516147 | Scene recognition method and system using brightness and ranging mapping A method of controlling exposure of a scene image comprising the following steps: sensing a scene for image data; deriving values representative of a brightness map of the scene; sensing the scene for image data; deriving values representative of a range ... | 02/04/2003 |
| 6510285 | Strobe control device A strobe control device for a camera is provided with a light amount measuring system that measures amount of light emitted by a strobe and reflected by an object, a comparing system that compares the measured light amount with a reference exposure light ... | 01/21/2003 |
| 6498901 | Flash photography system A flash photography system includes a first photometering device including a multi-segment photometering sensor having a plurality of zone sensors for measuring a pre-flash emission; a second photometering device including a single-segment direct photomet... | 12/24/2002 |
| 6421504 | Hybrid camera To record images by a film recording system and an electronic recording system with one light-emission of a flashing device, the flashing device is controlled according to set values of photo film recording conditions since the sensitivity of a silver hal... | 07/16/2002 |
| 6349172 | Lens drive device A lens drive device that is located inside a camera main body and can drive lenses that are interchangeably mounted to the camera main body, said lens drive device having a coupler that transmits the drive force to the lenses, a drive motor that rotates a... | 02/19/2002 |
| 6345155 | Light-emission control apparatus camera apparatus and light-emission control method A light-emission control apparatus comprising a light-receiving element 2, an A/D converting section 6, an integrating section 7, a comparing section 8, and a control section 9. The light-receiving element 2 outputs a light-reception signal corresponding ... | 02/05/2002 |
| 6336004 | Distance measuring equipment and camera There is disclosed a distance measuring equipment capable of enhancing an accuracy of focusing, and a camera capable of enhancing an accuracy of focusing and/or reducing a cost with a small scale of circuit. In the event that a photography is performed at... | 01/01/2002 |
