| 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 |
