| Patent Number |
Title Of Patent |
Date Issued |
| RE33241 |
Device for measuring extremely diminished intensity of light |
June 26, 1990 |
| A device for measuring an extremely diminished intensity of light by superposing a plurality of streaking images of the light beams caused by fluorescence occurring in a phosphor layer where secondary electrons are incident thereon in single photon units. A streaking image is formed by |
| 6623913 |
Method for producing liquid crystal display device |
September 23, 2003 |
| Disclosed is a method for producing liquid crystal display devices comprising a step for forming a transparent electrode and a circuit element of semiconductor on the surface of a pair of transparent substrates, and various steps for applying a photoresist, exposing to the light, etc |
| 6322956 |
Thin film coater and coating method |
November 27, 2001 |
| Disclosed is a method for producing liquid crystal display devices comprising a step for forming a transparent electrode and a circuit element of semiconductor on the surface of a pair of transparent substrates, and various steps for applying a photoresist, exposing to the light, etc |
| 6030119 |
Dental X-ray image detecting apparatus and adaptor for same |
February 29, 2000 |
| An X-ray detecting element detects an image produced by X-ray irradiation. An apparatus case capable of being inserted into a mouth has an X-ray irradiation face having different dimensions in two directions perpendicular to each other, and houses the X-ray detecting element. A cable |
| 5677940 |
Digital X-ray imaging apparatus |
October 14, 1997 |
| A digital X-ray imaging apparatus comprises an X-ray generator 6 for generating X-rays toward a subject, an X-ray imaging device 7 for detecting an image of X-rays having passed through the subject, a swivel member 4 and a horizontal movement means 8 provided with the X-ray generator |
| 5664001 |
Medical X-ray imaging apparatus |
September 2, 1997 |
| A medical X-ray imaging apparatus is provided, which comprises an X-ray source, an X-ray imaging device for detecting an image of X-rays having passed through a subject and a swivel member for-rotating the X-ray source and the X-ray imaging device around the subject. The X-ray imaging de |
| 5640018 |
Image detecting device and medical X-ray imaging apparatus |
June 17, 1997 |
| Images are to be satisfactorily continued even at joints of image regions.The surface of a fluorescent screen on which an X-ray image is to be formed is partitioned in the longitudinal direction of a slit, into image regions. From the image regions, image information is guided to CCD ima |
| 5604781 |
Medical X-ray imaging apparatus |
February 18, 1997 |
| The present invention provides an X-ray tomographic imaging apparatus, wherein image degrading components caused by a CCD sensor (3c) or the like are reduced so as to obtain high-quality X-ray images. After tomographic imaging, dark current noise is eliminated by subtracting dark current |
| 5600699 |
Panoramic X-ray imaging apparatus |
February 4, 1997 |
| The present invention provides a panoramic imaging apparatus capable of obtaining a clear tomographic image even when the rotation speed of a swivel member changes. The clock for driving an FFT CCD device in accordance with the TDI method is set on the basis of the angular speed .ome |
| 5461233 |
Medical X-ray image detecting device and a medical X-ray tomographing apparatus comprising same |
October 24, 1995 |
| A medical X-ray tomographing apparatus, wherein the output end surfaces of a plurality of optical fiber bundles are optically coupled to the image pickup surfaces of vertically long solid-state image pickup devices, such as one-dimensional image sensors, and the input end surfaces of a |
| 5331166 |
Dental X-ray image detecting device with an automatic exposure function |
July 19, 1994 |
| A medical X-ray image detecting device arranged such that an X-ray image sensor comprising an x-ray fluorescent element, a solid-state image pickup device and a plurality of optical fiber bundles for optically connecting the fluorescent surface of the X-ray fluorescent element to the ima |
| 5208696 |
Spatial light modulating device with CRT input image |
May 4, 1993 |
| An input incoherent optical image to be supplied to a microchannel spatial light modulator (MSLM) is produced by a CRT in accordance with an input electric signal provided from a computer. An output coherent optical image is read-out by launching a laser beam into an electro-optic materi |
| 5173954 |
Spatial light modulation device and image reconstructing apparatus using the same |
December 22, 1992 |
| A spatial light modulation device includes a spatial light modulation tube and converts a one-dimensional photoelectron image into a two-dimensional electron image, rotating the two-dimensional electron image, subjecting the rotated two-dimensional electron image and a previously stored |
| 5124551 |
Apparatus for measuring the temporal correlation of fundamental particles |
June 23, 1992 |
| An apparatus for measuring the temporal correlation of fundamental particles such as photons, neutrons, X-rays or the like, comprising at least one deflector for sweeping the fundamental particles or images thereof in at least one direction, an aperture member having at least two ape |
| 5109358 |
Optical flip-flop circuit |
April 28, 1992 |
| An optical flip-flop circuit which includes an electrical power source for providing an electrical signal, a light-receiving element provided in series with the power source for switching the electrical signal in response to an optical signal, a light-emitting element for emitting the |
| 5103829 |
Examination apparatus for measuring oxygenation in body organs |
April 14, 1992 |
| An examination apparatus for measuring the oxygenation in body organs by the near infrared light transmission spectrophotometry. The invention relates to an improvement of an illumination-side fixture and a detection-side fixture. In order to hold optical fibers for introducing infra |
| 5090415 |
Examination apparatus |
February 25, 1992 |
| An examination apparatus for examining with transmission photometry an object of interest. The apparatus comprises: light launching means for successively launching an incidence light beam to the object at an incidence site; and light pickup means for picking up, in synchronism with |
| 5061860 |
Deformation measuring method and device using comb-type photosensitive element array |
October 29, 1991 |
| A deformation measuring method and device in which an object is irradiated with a laser beam before and after deformation of the object to obtain speckle patterns, the speckle patterns thus obtained are photoelectrically converted into electrical signals, and the cross-correlation functi |
| 5051573 |
Optical logic operation system |
September 24, 1991 |
| A plurality of ultra-high speed light receiving elements are provided each of which has two rectifier junctions being connected to each other opposite in polarity and has a substantially symmetrical electrode arrangement. A bias voltage is applied to each of the light receiving eleme |
| 5048942 |
Optical element with reduced reflectance |
September 17, 1991 |
| In order to reduce the light reflectance, an optical element comprises an optical element body formed of an optical crystal or a lens, and glass members with a prescribed refractive index, wherein the glass member is bonded to each of the light incident and emergent surfaces of the eleme |
| 5034921 |
High speed optical memory circuit |
July 23, 1991 |
| An optical memory circuit comprises two photodetectors, and an intermediate signal conductor for connecting the two photodetectors, wherein the two photodetectors and the signal conductor are connected in series in a closed circuit, wherein each of the photodetectors comprises two spaced |
| 5032024 |
Optical examination apparatus |
July 16, 1991 |
| An optical examination apparatus for optically examining density, distribution, etc. of oxygen in an object to be examined such as organic tissue like brain tissue, of man or animal compressing a light source, an optical fibre bundle having one end on which light emitted from the light |
| 5029221 |
Image reconstructing apparatus |
July 2, 1991 |
| An image reconstructing apparatus wherein the object under examination is irradiated in at least one direction to provide projection data, and the provided projection data is optically processed to form a reconstructed image representing the internal information of the object. An image |
| 5025142 |
Light waveform changing apparatus using an optical amplifier |
June 18, 1991 |
| A light waveform shaping apparatus comprises; a beam splitting means for branching an input optical signal into two optical signals; a photoelectric converter for converting one of the two branched optical signals into an electrical signal; an optical amplifier whose gain is adjustab |
| 5020064 |
Electromagnetic wave device |
May 28, 1991 |
| An electromagnetic wave device having an amplification function comprises a medium containing free carriers, means for applying a magnetic field to the medium, means for applying an input electromagnetic wave to the medium in a direction perpendicular to the magnetic field, and means for |
| 5017829 |
Framing camera |
May 21, 1991 |
| A framing camera comprises a photocathode, a first deflection means for scanning electron beams emitted from the photocathode, a slit plate having a single slit for converting the electron beams with a spatial picture image information into electron beams with a picture image of temporal |
| 5012103 |
Radiation detector |
April 30, 1991 |
| A radiation detector basically comprises a scintillator, a light guide for introducing scintillation light, and a photodetector for detecting the scintillation light. A light output portion of the scintillator is wedge-shaped, and a light input portion of the light guide is V-shaped in |
| 5003474 |
Method and apparatus for performing address transformation of projection data for use in positro |
March 26, 1991 |
| A method and an apparatus for performing address transformation of projection data for use in a positron CT system, where plural detectors are classified into plural detector groups. In this system, a polar coordinate of the addresses assigned to paired detectors which detect coincid |
| 5003268 |
Optical signal sampling apparatus |
March 26, 1991 |
| An optical signal sampling apparatus for high-speed gating of an optical signal in the form of repetitive waveforms comprises an input optical path for introducing the optical signal to an optical amplifier; the optical amplifier whose gain is adjustable by a gating electrical signal, fo |
| 4996475 |
Electro-optic voltage detector having a transparent electrode |
February 26, 1991 |
| A voltage detector detects a voltage developing in a selected area of an object such as an integrated circuit by utilizing an electro-optic material equipped in an optical probe. A change in refractive index of the electro-optic material which is caused by the voltage in the object, is |
| 4994663 |
Light intensity correlating apparatus |
February 19, 1991 |
| An apparatus for measuring an autocorrelation wavaeform of intensity of input light comprises a beam splitting means for dividing the input light into two light beams, a photoelectric converter for converting one of the divided beams into an electrical signal, an optical modulating means |
| 4988859 |
Optical waveform measuring device |
January 29, 1991 |
| An optical waveform measuring device, comprising an optical amplifier for amplifying a light beam under measurement and a photodetector to which a light beam amplified by the optical amplifier is applied. |
| 4982151 |
Voltage measuring apparatus |
January 1, 1991 |
| A voltage measuring apparatus comprises an optical probe furnished with an electro-optic material whose refractive index is changed in accordance with a voltage developing in a given part of an object and an auxiliary electrode for terminating electric lines of force coming from the give |
| 4980772 |
Image pickup device incorporated with image intensifier tube |
December 25, 1990 |
| An image intensifier tube and a solid-state image pickup device are combined to form a unified image pickup device. A thin fiber plate with thickness of 0.5-1.5 mm is interposed between a phosphor layer of the image intensifier tube and a photosensitive layer of the solid-state image |
| 4980632 |
Electrical signal observing device |
December 25, 1990 |
| The electrical signal observing device measures the electrical signal by applying the electrical signal to be measured to an optical amplifier in order to modulate a short pulse light train directed through the electrical amplifier. The electrical signal to be measured acts as a gain |
| 4974090 |
Image pickup device incorporated with image intensifier tube |
November 27, 1990 |
| An image intensifier tube and a solid-state image pickup device are combined to form a unified image pickup device. A thin transparent glass layer polished to a thickness of 50 microns or less is interposed between a phosphor layer of the image intensifier tube and a photosensitive layer |
| 4968881 |
Voltage detector using electro-optic material having anti-reflective coatings |
November 6, 1990 |
| A voltage detector comprises a light modulator which employs an electro-optic material whose refractive index changes according to the voltage developing in an object to be measured. A transparent anti-reflection film having a refractive index and thickness which are predetermined on |
| 4967144 |
Electrical signal observing device for converting an electrical signal to be measured into an op |
October 30, 1990 |
| An electrical signal observing device has an optical signal as a probe for converting the voltage or current waveform to be measured into an optical intensity waveform. This optical intensity waveform is converted into a signal which can be used by a signal observation device. A continuo |
| 4967093 |
Deformation measuring method and device using cross-correlation function between speckle pattern |
October 30, 1990 |
| In a deformation measuring method and device in which an object is irradiated with a laser beam before and after deformation of the object to obtain speckle patterns, the speckle patterns thus obtained are photoelectrically converted into electrical signals, and the cross-correlation |
| 4967080 |
Apparatus for measuring the temporal correlation of fundamental particles |
October 30, 1990 |
| An apparatus for measuring the temporal correlation of fundamental particles such as photons, neutrons, X-rays or the like, comprising at least one deflector for sweeping the fundamental particles or images thereof in at least one direction, an aperture member having at least two ape |
| 4962353 |
Voltage detector |
October 9, 1990 |
| A voltage detector with an optical modulator comprising a pulse light source for outputting light pulses, a pulse train generator for generating a light pulse train having a pulse interval with the aid of light pulses provided by the pulse light source and for applying the light pulse tr |
| 4960997 |
Optical window and radiation position-sensitive detector using the same |
October 2, 1990 |
| An optical window comprises a plurality of glass members and a plurality of reflective members each being formed between the adjacent glass members. Each reflective member is made of a glass medium which is the same as the glass member and grain regions made of a material having large re |
| 4958354 |
Apparatus for stabilizing the intensity of light |
September 18, 1990 |
| A light intensity stabilizing apparatus comprises an optical amplifier such as a non-resonant traveling-wave type optical amplifier, whose gain is adjustable by a controlling electrical signal and which amplifies incident light emitted from a light source, a beam splitting means for bran |
| 4958231 |
Electro-optical streak camera |
September 18, 1990 |
| An electro-optical streak camera including an amplifier for amplifying a light signal under measurement. The amplified light signal is applied to an electro-optical deflector of a photodector portion of the streak camera. |
| 4958124 |
Multi-channel voltage detector |
September 18, 1990 |
| A multi-channel voltage detector for converting multi-channel electrical signals into optical signals and simultaneously detecting multi-channel voltages in parallel mode. Comprising electro-optic conversion means provided thereon with a plurality of electrical circuits for receiving |
| 4957000 |
Apparatus for obtaining information on the interior of an object |
September 18, 1990 |
| An apparatus for obtaining information on the interior of an object, comprising irradiating elements for applying an electromagnetic wave or ultrasonic wave to an object being measured, detecting elements for detecting the electromagnetic wave or ultrasonic wave passed through and sc |
| 4950951 |
Venetian blind type secondary electron multiplier for secondary electron multiplier tubes |
August 21, 1990 |
| A secondary electron multiplier having a Venetian blind dynode structure for use in a photomultiplier tube or the like. The dynode structure includes first and second dynodes being vertically disposed transverse to each other in that the geometrically transparent part of the first dynode |
| 4949365 |
Apparatus for measuring density or the like of an object having a small transmission factor |
August 14, 1990 |
| An apparatus for measuring the density or the like of an object from the level of transmission through the object of gamma rays having different energy levels which are transmitted at the object by a gamma source having a predetermined solid angle of transmission. A collimator collimates |
| 4947031 |
Sampling streak tube with accelerating electrode plate having an opening |
August 7, 1990 |
| A sampling streak tube in which the signal-to-noise ratio is reduced. The tube includes a photocathode to which an incident light beam is applied and an accelerating electrode for accelerating an electron beam emitted by the photocathode the accelerating electrode being in the form of a |
| 4945241 |
Position-sensitive radiation detector |
July 31, 1990 |
| A position-sensitive radiation detector has a multi-layer scintillator assembly coupled to a position-sensitive photo-detector. Individual scintillator blocks of rectangular solid form in each scintillator layer are optically isolated by a reflecting agent such as BaSO.sub.4, and the |
