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Inventor:
Matsumura; Susumu
Address:
Kawaguchi, JP
No. of patents:
25
Patents:












Patent Number Title Of Patent Date Issued
6445365 Image display apparatus and image photographing apparatus therefor September 3, 2002
This invention relates to an image display apparatus having first image generating means for displaying first image information by a plurality of pixels emitting light, second image generating means for displaying second image information by a plurality of pixels emitting light, the seco
6246451 Stereoscopic image displaying method and stereoscopic image apparatus June 12, 2001
The present invention relates to a stereoscopic image displaying method and stereoscopic image displaying apparatus for interchangeably displaying a stereoscopic image and a two-dimensional image or for displaying a mixed stereoscopic image and two-dimensional image. In accordance with t
5879837 Styrylcoumarin compound, photosensitive resin composition, and hologram recording medium March 9, 1999
A styrylcoumarin compound jointing a styryl group by--(C.dbd.C)n--portion and having --NR.sub.1 R.sub.2 group, wherein n is an integer of 2 to 4, and each R is a proton or an alkyl group having 1 to 10 carbon atoms. A photopolymerizable composition comprises the styrylcoumarin compound a
5841755 Magnetooptical information recording and reproducing apparatus which reproduces information by d November 24, 1998
In a magnetooptical information recording-reproducing apparatus, recording of information is performed such that a laser beam is irradiated on a magnetooptical information recording medium via an optical head while applying a magnetic field to the beam irradiated portion of the recording
5790284 Display apparatus and displaying method for image display producing stereoscopic effect August 4, 1998
This specification discloses a displaying apparatus having a display emitting light, and an optical element formed by two holograms each having optical power and partially overlapping each other. The light from the display is diffracted by one of the holograms to be directed to an ob
5768219 Optical information recording/reproducing apparatus that produces verifying reproduction signals June 16, 1998
An optical information recording and/or reproducing apparatus includes an irradiating device including an objective lens, having a curved surface, for irradiating a recording light beam to a magnetooptical recording medium having at least two magnetic layers, which are a recording layer
5723633 Pyran derivative, photosensitive resin composition, and hologram recording medium using it March 3, 1998
A pyran derivative has a structure ofwherein n is 3 or 4; R.sup.1 is a proton, alkyl or phenyl group; each of R.sup.2 and R.sup.3 is independently a cyano, alkoxycarbonyl having an alkyl, acyl having an alkyl, aracyl having phenyl, sulfonyl, aryl, or aryloxy; each of R.sup.4 and R.sup.5
5717506 Image communication apparatus for communicating binary and multi-value color image data February 10, 1998
A magneto-optical disk according to the present invention has a transmission directory and a reception directory. An image to be transmitted is stored under the transmission directory as a single file, while a received image is stored under the reception directory as a single file. T
5712840 Optical information recording/reproduciing apparatus having two-division detectors January 27, 1998
An optical information recording/reproducing apparatus is disclosed. In the apparatus, a light beam polarized in a predetermined direction is irradiated onto an opto-magnetic recording medium to which a pre-determined magnetic field is applied. The light beam from the recording mediu
5701279 Optical information recording-reproducing apparatus including a light beam detector being divide December 23, 1997
A minute light spot is irradiated on an information track on a recording surface of a recording medium from an optical head. When reproducing an information mark train recorded on the recording surface by the mark position recording method, light reflected by or transmitted through the
5668872 Information processing method and system September 16, 1997
An information processing method and system in which coded or incomplete information is transmitted through a space or through a predetermined transmission line and is received by a user. A program or data needed to demodulate the information is read out from a recording medium, and the
5625493 Image display apparatus having a beam combiner for superimposing first and second lights April 29, 1997
An image display apparatus includes an image generator for generating first light having image information, and a beam combiner for superimposing the first light and second light which is incident upon the beam combiner from a direction different from that of the first light, and for gui
5612709 Multi-eye image displaying apparatus March 18, 1997
The present invention relates to a multi-eye image displaying apparatus and a method using this apparatus. The apparatus comprises an image displaying element, provided for each of right and left eyes and a virtual image moving element for moving at least one of the virtual images for th
5610897 Optical information reproducing apparatus March 11, 1997
In an optical information recording/reproducing apparatus, the reproduction of information is performed as following manner. A light spot is formed on a recording medium on which information is recorded so that a phase of light reflected by a small region as an information pit is differe
5589956 Image display apparatus December 31, 1996
An image display apparatus includes a plurality of image display elements respectively assigned to different partial image information regions of an image to be displayed, and a hologram optical element for diffracting a plurality of light beams from the plurality of image display elemen
5577017 Magnetooptical information recording/reproducing apparatus November 19, 1996
An optical information recording and/or reproducing apparatus includes an irradiating device for irradiating light polarized in a predetermined direction onto a magnetooptical recording medium having a plurality of tracks, the irradiating device includes an objective lens, having a curve
5539718 Optical head for controlling light irradiation in a magneto-optical recording and/or reproducing July 23, 1996
An optical head includes an irradiating device for irradiating a recording medium with a light beam, a separating device disposed in an optical path between the recording medium and the irradiating device, which is provided for separating a portion of the light beam traveling from the ir
5515122 Image displaying apparatus May 7, 1996
An image displaying apparatus capable of displaying to an observer a more stereoscopic image with enhanced presence and realism. The apparatus has a display unit which irradiates a beam and an optical system which directs a light beam from said display to a pupil of an observer, a virtua
5492942 Pyran derivative, photosensitive resin composition, and hologram recording medium using it February 20, 1996
A pyran derivative has a structure ofwherein n is 3 or 4; R.sup.1 is a proton, alkyl or phenyl group; each of R.sup.2 and R.sup.3 is independently a cyano, alkoxycarbonyl having an alkyl, acyl having an alkyl, aracyl having phenyl, sulfonyl, aryl, or aryloxy; each of R.sup.4 and R.sup.5
5450376 Optical information recording/reproduction apparatus with super-resolution optical filter September 12, 1995
An optical information recording/reproducing apparatus realizes a direct verifying operation with a simple structure. A light beam emitted from a light source is converged on a track provided on an optical recording medium which is adapted to be moved relatively to the light beam. A
5422204 Photo-crosslinkable resin composition and hologram recording medium June 6, 1995
A photo-crosslinkable resin composition comprises (a) a polymer having an electron-donating group in a monomer unit, (b) a halogen compound, (c) an onium salt and (d) at least one sensitizer selected from the group consisting of coumarin derivatives, rhodanine derivatives, thioxanthene
5329517 Optical information recording and reproducing apparatus utilizing a plurality of recording light July 12, 1994
An optical information recording and reproducing apparatus for recording information pits on an information track by irradiating a light beam focused into a fine spot onto the information track of an optical information recording and reproducing medium, includes a device for forming
5297128 Optical information recording/reproducing apparatus including means for varying intensity of a p March 22, 1994
An optical information recording/reproducing apparatus provided with a device for irradiating an information track of an optical information recording medium with a preheating light beam. Simultaneously, a recording/reproducing light beam irradiates a light spot of the preheating lig
5233578 Method of recording information on a recording medium having at least two magnetic layers August 3, 1993
Disclosed is a method of recording information on a magnetooptical recording medium, which medium includes a first magnetic layer and a second magnetic layer having a lower Curie temperature and a higher coercive force at room temperature than those of the first magnetic layer. The s
5231262 Optical cutting method and optical cutter July 27, 1993
An optical cutting method includes a step of detecting a center position on a sheet film with a position-detecting light flux; and a step of cutting out a disk film from the sheet film by projecting a cutting laser beam along circumference of a substantially circular form around the dete










 
 
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