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| Number | Title | Issue Date |
| 8131144 | Action camera with capability of capturing images in daylight and infrared The action camera has a housing, a lens, and an image sensor located in a light path from the lens. A filter is operable to move between first and second positions, with the first position located in the light path and the second position located out of the light pa... | 03/06/2012 |
| 8014664 | Filter moving solenoid system for a camera A filter-moving solenoid system for use with a camera is provided. The filter-moving solenoid system includes a solenoid and an armature that has at least first and second operative positions and at least first and second contact segments. A first contact segment is... | 09/06/2011 |
| 7936989 | Image capturing apparatus An image capturing apparatus includes an optical unit for forming an image of a subject, a first light extinction unit present on an optical axis of the optical unit and configured to adjust an amount of light by changing a dimension of a aperture stop thereof, a se... | 05/03/2011 |
| 7889987 | Camera auto UV filter mode A portable communication device having a camera functionality including a camera lens and a UV filter element moveable into or out of a position covering the camera lens. The device includes an apparatus for detecting a light feature associated with an ambient light... | 02/15/2011 |
| 7787761 | Lens assembly A lens assembly for an imaging device may include a lens member for focusing external radiation towards an image sensor of the imaging device, and a screen member adjacent the lens member. A transparent portion may be positioned between the lens member and the exter... | 08/31/2010 |
| 7668453 | Image taking apparatus including a light quantity control device that controls transmitted volume of the subject light The image taking apparatus of the invention includes a light quantity control device that is arranged on the optical axis of subject light and controls transmitted volume of the subject light. The light quantity control device includes a light quantity control layer... | 02/23/2010 |
| 7430371 | Mobile communications terminal for compensating automatic exposure of camera and method thereof A method for compensating an automatic exposure of a camera in a mobile communication terminal. The method includes determining a presumptive error value based on an average luminance value of an input current image frame and a particular target luminance value, sel... | 09/30/2008 |
| 7365791 | Image pickup apparatus having iris member and filter units An image pickup apparatus capable of preventing a decline of resolution of a still image while keeping a dynamic range of exposure control. The image pickup apparatus capable of photographing with changing over a moving image and a still image, includes an iris mech... | 04/29/2008 |
| 7295772 | Optical unit and imaging device comprising optical unit A collapsible lens mount optical unit comprises a fixed lens mount, a lens mount movable along the optical axis with respect to the fixed lens mount, an infrared ray intercepting filter interposed between the fixed lens mount and the lens mount. The collapsible lens... | 11/13/2007 |
| 7170057 | Image enhancement system and method for night goggles A dichroic type narrow-band-pass filter is used as a beamsplitter inside a night vision goggle eyepiece. The filter is combined with appropriately aligned polarizers and liquid crystal type shutter rotators movable between a “P” orientation and an “S” orient... | 01/30/2007 |
| 7170569 | Liquid crystal shutter and printhead The present invention relates to a liquid crystal shutter (5). The liquid crystal shutter (5) includes a first and a second transparent substrates (50), (51) arranged to face each other; a light shielding film (52) formed on a surf... | 01/30/2007 |
| 7158180 | System and method for varying exposure time for different parts of a field of view while acquiring an image A system and method for exposing different parts of a single field of view for various and differing lengths of time while capturing an image is provided. For astrophotography, unwanted light pollution or over-saturation bleeding from nearby or obtrusive stars may b... | 01/02/2007 |
| 7113318 | Light amount control apparatus, photographing apparatus, and filter It is an object of this invention to independently control the F-number and the number of light attenuation steps of a multi-density ND filter by using a light amount control apparatus using an iris stop and the ND filter. The iris stop mechanism made up of a plural... | 09/26/2006 |
| 6229569 | Electronic camera An electronic camera comprises a casing in which a photographing section is accommodated; a rotating member mounted rotably to the casing; a plurality of light amount regulating members for regulating a light amount incident to the photographing section; ... | 05/08/2001 |
| 6151454 | Photographic lighting apparatus for consistent and accurate exposure control A photographic lighting apparatus for consistent and accurate exposure control of a subject before a camera. The apparatus comprises a plurality of light sources, a power supply; a plurality of switches, and a controller. The switches are connected to the... | 11/21/2000 |
| 6137958 | Camera In a camera having a camera body part and a lens barrel part, an optical filter arranged to be rotatable around an axis located inside a lens optical path derived from the lens barrel part (for example, around an axis substantially parallel with an optica... | 10/24/2000 |
| 6046863 | Lens control apparatus, image pickup apparatus, and lens control method In a lens control apparatus, the performance does not deteriorate even if a filter is inserted and removed. Correction amounts of a focusing lens position which are necessary to eliminate an out-of-focus that is caused when, for example, a filter is inser... | 04/04/2000 |
| 5797050 | Selective glare reduction ocular for scenery with very bright objects A real-time, optical, nonlinear attenuator device situated in the image plane of an ocular of special construction provides a highly sensitive, broad spectral band, selective, glare reduction ocular. This system is suitable for the eye or camera which is ... | 08/18/1998 |
| 5424798 | Color temperature adjusting device A color temperature adjusting device for an auxiliary light source comprises a color temperature metering device for measuring a color temperature of an object field and a color temperature adjuster for adjusting a color temperature of the auxiliary light... | 06/13/1995 |
| 4801956 | Image recording system An image recording system capable of storing images at high density wherein a photoelectric conversion member, which converts an optical image into electric image information, is formed in a film configuration, optical images are incident to a plurality o... | 01/31/1989 |
| 4668069 | Exposure control device in a camera An exposure control device in a camera comprises power supply circuit means for producing a temperature signal representative of an amount proportional to the absolute temperature, means for producing a first digital data representative of the film speed,... | 05/26/1987 |
| 4484808 | Method of and apparatus for controlling scene radiation A compact optical assembly is disclosed for use in controlling the direction of radiation from a scene in a scene evaluating arrangement. Included in this assembly is an arrangement having different optical portions for optically directing scene radiation... | 11/27/1984 |
| 4048643 | Exposure computation system A diaphragm aperture value which has been set is transformed into corresponding frequency information. A local oscillator starts sweeping upon pushing of the shutter button. The output of the local oscillator and the frequency information are inputted to ... | 09/13/1977 |
| 4040067 | Photographic camera with automatically controlled filter An optical filter the density of which is variable is provided in the optical path of the taking lens. The density of the filter is controlled to effect optimum exposure with freely selected aperture size and the shutter speed by means of an exposure cont... | 08/02/1977 |
| 3995285 | Photographic camera with automatically controlled filter An optical filter the density of which is variable is provided in the optical path of the taking lens. The density of the filter is controlled to effect optimum exposure with freely selected aperture size and the shutter speed by means of an exposure cont... | 11/30/1976 |
| 3987461 | Photographic camera with automatically controlled filter An optical filter the density of which is variable is provided in the optical path of the taking lens. The density of the filter is controlled to effect optimum exposure with freely selected aperture size and the shutter speed by means of an exposure cont... | 10/19/1976 |
| 3978497 | Photographic camera with automatically controlled filter An optical filter the density of which is variable is provided in the optical path of the taking lens. The density of the filter is controlled to effect optimum exposure with freely selected aperture size and the shutter speed by means of an exposure cont... | 08/31/1976 |
