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| Number | Title | Issue Date |
| 7957637 | Imaging device, imaging method and program An imaging device equipped with an imaging system includes an imaging lens optical system which images an object, a flash emitting unit which synchronizes imaging in the imaging system to emit a flash having not less than a prescribed luminance in a charged state no... | 06/07/2011 |
| 7689114 | Imaging device, imaging method and program An imaging device equipped with an imaging system includes an imaging lens optical system which images an object, a flash emitting unit which synchronizes imaging in the imaging system to emit a flash having not less than a prescribed luminance in a charged state no... | 03/30/2010 |
| 7106007 | Flashlight lamp circuit with automatic light adjustment A flashlight lamp circuit with automatic light adjustment includes a flashlight charging unit for controlling charging of a main capacitor, a flashlight activation unit activating the flashlight lamp to project a flashlight on the photographed object according to a ... | 09/12/2006 |
| 7039506 | Light system for defining line of approach A light system for defining a line of approach uses light sources arranged in an array. The light sources are arranged such that they define a primary field-of-view (FOV) from which all of the light sources are visible. Less than all of the light sources are visible... | 05/02/2006 |
| 6944398 | Photometric device and camera A photometric device according to the present invention performs the steps of: performing photometry in a first area of an overall area where photometry can be performed; performing photometry in a plurality of second areas, each included in the first area; and when... | 09/13/2005 |
| 6566647 | Exposure timing alignment for color specific exposure times An optical scanning system. In representative embodiments, an optical scanning system is disclosed which comprises at least one first photosensitive detector that is sensitive to light in a first frequency band, an exposure control circuit that is capable... | 05/20/2003 |
| 6472657 | Laser synchronized high-speed shutter for spectroscopic application A fast mechanical shutter, based on rotating chopper wheels, has been designed and implemented to shutter the entrance slit of a spectrograph. This device enables an exposure time of 9 μs to be achieved for a 0.8 mm wide spectrograph entrance slit, achie... | 10/29/2002 |
| 6167202 | Camera system or flash unit A camera system which performs light measurement by causing a flash unit to perform a preliminary emission before causing said flash unit to perform a main emission, and computes a control value for the main emission on the basis of a result of the light ... | 12/26/2000 |
| 5875357 | Lens-fitted photo film unit and electronic flash device for use therewith A lens-fitted photo film unit has an electronic flash device (11, 30; 115) with a printed circuit board (173). The flash device includes a flash-emitting section (6, 170) for emitting flash light toward a photographic field, and a main capacitor (31, 155)... | 02/23/1999 |
| 5692223 | Remotely-controlled flash photographing system A flash photographing system includes a first firing device operable to fire a first flash light effective for photography of the camera device; a second firing device operable to fire a second flash light ineffective for photography of the camera device,... | 11/25/1997 |
| 5634146 | Camera with automatic flash function and method for controlling the same A camera having an automatic flash function according to a charge amount and a method includes a microcontroller for flashing a strobe and carrying out a photograph when a photograph with a suitable exposure can be obtained with a presently charged voltag... | 05/27/1997 |
| 5568194 | Adjusting a white balance in a camera using a flash An exposure condition when an electronic flash is to be used, i.e., an aperture value and a shutter speed, is determined based on a photometry value. Under the exposure condition, a photographing operation is carried out without use of the electronic flas... | 10/22/1996 |
| 5555071 | Camera with self-timer and electronic flash A camera includes a self-timer operable to delay picture taking for a predetermined interval and an electronic flash having a variable re-charge time. Operation of the self-timer is prevented when the predetermined interval is less than the re-charge time... | 09/10/1996 |
| 5384617 | Exposure control system of a camera having an interval mode An automatic exposure control system for a camera includes selecting either a normal taking mode or an interval taking mode, determining an exposure value according to at least photometry data, setting a lower exposure value limit, wherein the lower expos... | 01/24/1995 |
| 5233384 | Flash photographing system The disclosure relates to the flash photographing system having a first exposure controlling mode and a second exposure controlling mode which includes a selecting device for selecting either the first exposure controlling mode or the second exposure cont... | 08/03/1993 |
| 4878081 | Exposure control device for a camera An exposure control device for a camera having a photometric unit for measuring brightness of an object and its ambient brightness individually, a range finding unit for measuring a distance from the device to the object, and a strobe light unit, the devi... | 10/31/1989 |
| 4862206 | Exposure control system A contralight compensation exposure control system which determines as a contralight condition and fires a strobe when there is a difference between the output of a partial light measuring means for measuring the brightness of a portion of a scene to be p... | 08/29/1989 |
| 4782357 | Light measuring device for camera A light measuring device for a camera comprises a light receiving circuit having a plurality of light receiving portions for seeking an area brightness information of each of at least two areas into which the field of view is divided, including a central ... | 11/01/1988 |
| 4779117 | Exposure control device for a camera An exposure control device for a camera having light measuring elements capable of outputting an average light measurement corresponding to the brightness of the entire scene to be photographed, and outputting a spot light measurement corresponding to the... | 10/18/1988 |
| 4705382 | Flash photographing apparatus A flash photographing apparatus, including a camera and an electronic flash device, comprises a plurality of photoelectric elements for measuring brightness of a main and sub objects to be photographed. A diaphragm aperture value and shutter speed value o... | 11/10/1987 |
| 4690536 | Exposure control device for a camera in flash photography An exposure control device for a camera in flash photography comprising; first means for measuring light from a central area of an object field; second means for measuring light from another area surrounding the central area; means responsive to said first and... | 09/01/1987 |
| 4653893 | Camera exposure calculating device An exposure calculating device, for use in a camera having a programmed exposure control mode which automatically calculates a shutter speed and a diaphragm aperture value in a programmed manner, is further capable of modifying the combination of calculat... | 03/31/1987 |
| 4518243 | Shutter speed setting device for camera A shutter speed setting device for a camera having a signal generator for providing an output in correspondence to the setting of a shutter speed to be set and a shutter speed setting circuit for providing a signal corresponding with a shutter speed in re... | 05/21/1985 |
| 4518237 | Indicator for proper or improper exposure by automatic electronic flash An indicator for proper or improper exposure provided by automatic electronic flash includes a first decision circuit having a first decision level lower than a proper level of exposure, and a second decision circuit having a second decision level higher ... | 05/21/1985 |
| 4474451 | Diaphragm control circuit for TTL automatic electronic flash A diaphragm control circuit associated with TTL automatic electronic flash is adapted to be used in a camera of the TTL direct photometry type and capable of photometry of light reflection from film surface. When the electronic flash is mounted on the cam... | 10/02/1984 |
| 4457601 | Camera with electrical shutter A camera with an electrical shutter comprises auxiliary shutter closing means which is responsive to an electrical signal supplied from an electronic flash to operate a photometric circuit of the camera in a normal manner. During a flash photographing ope... | 07/03/1984 |
| 4427278 | Flash photography system and electronic flash device for use in the system A flash photography system includes an electronic flash device capable of light measurement for automatic flash light control and a camera capable of automatic shutter speed control at a daylight photography mode and at a flash photography mode. The flash... | 01/24/1984 |
| 4417794 | Automatic diaphragm control camera An automatic diaphragm control camera of the T. T. L light measurement type sets a diaphragm to a fully opened aperture in the case of daylight photographing with a low brightness condition by generating a diaphragm stopping-down prevention signal which s... | 11/29/1983 |
| 4383745 | Camera and automatic exposure control therefor for use with various types of flash units In the disclosed camera, a switchover arrangement automatically shifts from an automatic exposure mode to a flash mode in response to a charge completion signal from a flash device. A line electrically connects a terminal capable of receiving the charge c... | 05/17/1983 |
| 4371243 | Photographic mode selector system A camera detects which of a number of operating modes is dialed into a flash unit by sensing the current level produced by a source. In response to dialing of a daylight EE mode, the camera measures the brightness of the object to be photographed and conf... | 02/01/1983 |
| 4324468 | Electric source circuit for camera An electric source circuit for a camera in which the voltage of a power source is automatically applied to the exposure control and display circuit of a camera when the electronic flash is fully charged. A first switch circuit is operatively coupled betwe... | 04/13/1982 |
| 4311371 | Exposure control system for camera An exposure control system for a photographic camera of a type having a two-curtain type focal plane shutter. When used in combination with an electronic flash device in which the voltage stored on a capacitor is discharged through a flash tube to illumin... | 01/19/1982 |
| 4302085 | Shutter time adjustment for a flash mode and/or film-leader location In a photographic camera comprising an exposure time control circuit for controlling the shutter speed in response to the brightness of the object and a film frame number indicating device capable of indicating a usable range for frames allowing photograp... | 11/24/1981 |
| 4298261 | Camera automatically synchronized with an electronic flash Apparatus for automatically synchronizing a camera with an electronic flash is provided in accordance with the teachings of the present invention. The inventive apparatus determines if a photographing mode employing an electronic flash has been establishe... | 11/03/1981 |
| 4285586 | Camera controller for flashgun operation A device for controlling a camera according to whether or not a flashgun is mounted on the camera and whether or not the flashgun is charged. The camera operation may be an electrically controlling an automatic shutter operation or a manual shutter operat... | 08/25/1981 |
| 4280760 | Flash camera A flash camera having features that an aperture control is made in accordance with the factors whether a film sensitivity is high or low and besides whether a flash apparatus is used, that a constant-voltage circuit of small power consumption is employed ... | 07/28/1981 |
| 4273428 | Digital exposure-duration control circuit with upper limit on exposure duration A first pulse train whose pulse repetition frequency varies in dependence upon scene light, and a second pulse train whose pulse repetition frequency does not vary in dependence upon scene light, are counted by digital counting circuitry, and a terminate-... | 06/16/1981 |
| 4272170 | Photographic arrangement using various electronic flash devices In the arrangement disclosed, a photographic camera operates both with an electronic flash that generates a charge completion signal and a flash without a charge completion signal. In the camera, two switching elements shift between a time constant set fo... | 06/09/1981 |
| 4244643 | Manual setting device in digital type electrical control camera A manual setting device is provided in a camera wherein the shutter speed is electrically controlled. The manual setting device can be used as an alternate control in an automatic exposure control camera or may be used in a non-automatic electrically cont... | 01/13/1981 |
| 4238149 | Flash camera system with daylight cutout control A shutter control circuit which normally responds to ambient light switches automatically to a flash mode in response to a charge signal from a flash unit. The light flash eliminates the charge signal. To prevent the absence of a charge signal from return... | 12/09/1980 |
