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Inventor:
Ogura; Shigeo
Address:
Tokyo, JP
No. of patents:
23
Patents:












Patent Number Title Of Patent Date Issued
6785060 Reflecting type optical system August 31, 2004
A reflecting-type optical system according to the invention includes an optical element composed of a transparent body having an entrance surface, an exit surface and at least three curved reflecting surfaces of internal reflection. A light beam coming from an object and entering at the
6734903 Image sensing apparatus May 11, 2004
In an image sensing apparatus of this embodiment, a variable angle prism for preventing a camera shake is used to attain a pixel shift. Consequently, low resolution images free from a blur and high-resolution images obtained by the pixel shift can be selectively obtained with an extr
6639729 Reflecting type of zoom lens October 28, 2003
A reflecting type of zoom optical system comprises a plurality of optical elements each of which includes a transparent body and two refracting surfaces and a plurality of reflecting surfaces formed on the transparent body and is arranged so that a light beam enters the transparent body
6636360 Reflecting type of zoom lens October 21, 2003
A reflecting type of zoom optical system comprises a plurality of optical elements each of which includes a transparent body and two refracting surfaces and a plurality of reflecting surfaces formed on the transparent body and is arranged so that a light beam enters the transparent body
6603444 Display element and display device having it August 5, 2003
A display element has a plurality of pixels and is constructed to display image information by modulating light passing through each pixel. The display element has the following for each of the pixels: a mask having a shield portion in part; and a first fluid and an electroconductive or
6498624 Optical apparatus and image sensing apparatus mounted on the same surface of a board December 24, 2002
There is provided an optical apparatus which has excellent assembly performance, can suppress an increase in cost, and attain a decrease in thickness. The optical apparatus includes a board (1) having a photographing optical system and a mechanical system mounted on its surface. A pl
6449081 Optical element and optical device having it September 10, 2002
An optical element has a first fluid and an electroconductive or polar, second fluid immiscible with each other, which are confined in a sealed space created between a first support and a second support. The first fluid and the second fluid have respective light transmittances different
6392703 Optical apparatus for forming an object image on a sensing element May 21, 2002
There is provided an optical apparatus which has excellent assembly performance, can suppress an increase in cost, and attain a decrease in thickness. The optical apparatus includes a board (1) having a photographing optical system and a mechanical system mounted on its surface. A pl
6366411 Reflecting type optical system April 2, 2002
A reflecting-type optical system according to the invention includes an optical element composed of a transparent body having an entrance surface, an exit surface and at least three curved reflecting surfaces of internal reflection. A light beam coming from an object and entering at the
6339447 Image sensing apparatus January 15, 2002
An image sensing apparatus has an image sensing unit and a display unit. The image sensing unit has an optical system for photographing an object and an image sensing element. The display unit has a liquid crystal display device for performing an image display on the basis of a video
6292309 Reflecting type of zoom lens September 18, 2001
A zoom lens comprises a plurality of optical elements each of which includes a transparent body having two refracting surfaces and a plurality of reflecting surfaces and is arranged so that a light beam enters the transparent body from one of the two refracting surfaces, repeatedly u
6184933 Image pickup apparatus wherein plural elements simultaneously pick up the image and the state of February 6, 2001
An image pickup apparatus wherein plural elements simultaneously pick up the image and the state of the incident light includes a plurality of image pickup elements for generating an object image signal on the basis of a signal output from at least one of the plurality of image pickup
6166866 Reflecting type optical system December 26, 2000
A reflecting-type optical system according to the invention includes an optical element composed of a transparent body having an entrance surface, an exit surface and at least three curved reflecting surfaces of internal reflection. A light beam coming from an object and entering at the
6021004 Reflecting type of zoom lens February 1, 2000
A zoom lens comprises a plurality of optical elements each of which includes a transparent body having two refracting surfaces and a plurality of reflecting surfaces and is arranged so that a light beam enters the transparent body from one of the two refracting surfaces, repeatedly u
5847887 Optical apparatus December 8, 1998
There is provided an optical apparatus which has excellent assembly performance, can suppress an increase in cost, and attain a decrease in thickness. The optical apparatus includes a board (1) having a photographing optical system and a mechanical system mounted on its surface. A pl
5825560 Optical apparatus October 20, 1998
There is provided an optical apparatus which has excellent assembly performance, can suppress an increase in cost, and attain a decrease in thickness. The optical apparatus includes a board (1) having a photographing optical system and a mechanical system mounted on its surface. A pl
5757423 Image taking apparatus May 26, 1998
There is disclosed an image taking apparatus comprising a first optical unit for forming an image, a second optical unit positioned on the optical axis of the first optical unit, a third optical unit positioned behind the second optical unit and having plural lens units for re-focusing p
5694165 High definition image taking apparatus having plural image sensors December 2, 1997
An image taking apparatus comprising a first optical unit for forming an image, a second optical unit positioned in the vicinity of the image, plural lens units for reforming the image, plural converters positioned at the positions of the reformed optical images and adapted to convert th
5495343 Image signal recording and reproducing system February 27, 1996
An image signal recording and reproducing system of this invention is arranged to record an image signal on a recording medium and to reproduce a recorded image signal from the recording medium. The system is provided with a first recording mode for recording an image signal for one pict
5359590 Disc drive device having negative pressure pad October 25, 1994
A disc drive device which comprises a negative-pressure pad for generating a negative pressure between the negative-pressure pad and a disc-shaped recording medium by the rotation of the disc-shaped recording medium and a displacement member for bringing the negative-pressure pad and a s
5012271 Exposure control device April 30, 1991
An exposure control device having exposure control means arranged to vary a charging method thereof according to the selection of a continuous shooting mode or a non-continuous shooting mode. With the exposure control means including at least a shutter, the shutter is arranged to be move
4972269 Electronic imaging apparatus with signal integration and selective image receiving modes November 20, 1990
An electronic imaging apparatus in which an exposure is controlled by using that output of an image pickup element which is obtained with exposure adjusting means in a corresponding position to the output of a photosensitive element solely used for light measurement, being characteri
4739356 Electric connector for camera April 19, 1988
An electric connector for a camera, the camera having a body and an accessory coupled with each other by their mounts of the mating-to-shift type, and electrically connected to each other by contacting of contact groups on the two mounts with each other when the coupling is complete.










 
 
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