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Match Document Document Title
8064058 Light distribution measurement system  
A disclosed optical testing apparatus comprises: a plurality of optical fibers, each optical fiber having a collection end in optical communication with an output end; and a support member...
7417235 Particle detector for secondary ions and direct and or indirect secondary electrons  
A multi-purpose efficient charge particle detector that by switching bias voltages measures either secondary ions, or secondary electrons (SE) from a sample, or secondary electrons that originate...
7346261 Image display apparatus  
There disclosed is an image display apparatus having a light source, a scanning member for deflecting a light from the light source to scan a predetermined surface with the light to form a...
7264971 Read-head for optical diagnostic device  
A readhead for a photometric diagnostic instrument includes a housing adapted for incorporation within the photometric diagnostic instrument, and an elongated sample table operatively engaged with...
6819861 Laminated optical waveguide array, beam collecting device and laser emission device  
A beam collecting device and a laser emission device are disclosed incorporating a laminated optical waveguide array and refraction means therein. The laminated optical waveguide array is composed...
6169614 Wedged-shape holographic collector  
A diffractive collector for an optical scanner includes a wedged-shaped substrate having holographic grating provided on a front surface, a conical-shaped back surface, and at least one detector....
6127674 Uneven-surface data detection apparatus  
There is provided an uneven-surface data input apparatus capable of obtaining a fingerprint image which is seldom distorted, in which it is unnecessary to conduct image processing when the...
5818033 Reading device featuring at least two spaced light emitting elements  
A reading device for illuminating a light beam emitted from at least two light emitting elements of different light emission wavelength ranges to an original through a light conductor prevent...
5716442 Light pipe with solar bulb energy conversion system  
A light pipe with Solar Bulb energy conservation system that includes: one or more solar and/or artificial light sources; one or more opaque and/or transparent hollow tubular conduits; a...
5440140 Method and arrangement for determining an at least approximately circular contacting surface using incoherent light and a film waveguide  
A method and arrangements for determining an at least approximately circular contacting surface is disclosed. The primary object of finding a simple way of objectively determining the contacting...
5434406 Hemispheric matrixsized imaging optical system  
An optical seeker (10) has an objective lens group (12) with a wide field of view (e.g., up to about 180 degrees). Light energy from objects within a field of regard is focused by the objective...
5192863 Optical taper for increasing the effective area of a photodiode in atmospheric free space communications applications  
An optical receiver includes a photodiode having a surface area of suitable dimensions to permit reception of a signal at a high bit rate. Also, the optical receiver includes an optical taper...
5047623 Transparent selective illumination means suitable for use in optically activated electrical switches and optically activated electrical switches constructed using same  
A planar transparent light conducting means and an improved optically activated electrical switch made using the novel light conducting means are disclosed. The light conducting means further...
5006906 Integrated semiconductor waveguide/photodetector  
An integrated waveguide/detector optical device is fabricated on a semiconductor substrate whose surface includes a step region. Guiding and absorbing layers are grown on the surface in sequence...
4944116 Sensor strip  
A sensing strip for stopping or reversing the drive of a door or other movable member having an edge along which the hollow light guide profile is provided. The sensing strip has an elongated...
4924085 Uneven-surface data detection apparatus  
An uneven surface data detection apparatus for detecting an uneven surface, such as a human finger, having projected portions and recessed portions. A transparent base having upper and lower...
4900914 Wide-angle viewing window with a plurality of optical structures  
The invention is directed to a viewing window having a wide-angle view. This window is realized by subdividing the space to be viewed into sectors which requires the utilization of several...
4896048 Scattering-type particle detection device for use in high temperature process chambers  
A particle detector includes optical fiber for conducting short wavelength radiation received from a radiation source through a chamber in which a semiconductor wafer is being processed. Light...
4894531 Photodetector for receiving an index signal of a beam-index cathode-ray tube  
A photodetector including a planar light guide of a polygonal shape in which organic phosphor is dispersed in a transparent support material, and a pair of photoelectric conversion elements such...
4855588 Cylindrical wide field receiver element  
A wide-field optical receiver element for determining the direction of a distant source of electromagnetic radiation. A cylindrical reflecting surface is used in an off-axis configuration to...
4830485 Coded aperture light detector for three dimensional camera  
High speed readout is achieved in a triangulation ranger by a coded aperture light detector which provides a direct digital representation of a range or height position. A light spot reflected...
4818861 Film image reading out device  
In a film image reading out device, in which one surface of a film, where images are recorded, is scanned repeatedly with a laser light beam along a scanning line and images are read out by...
4815816 Image transportation device using incoherent fiber optics bundles and method of using same  
The invention includes a fiber optic bundle comprising a plurality of individually optic fiber elements. Each of the optic fiber elements has a first end and a second end. The first ends of the...
4814605 Entrance system for a photodetector having a 180 degree image angle and detector provided therewith  
Disclosed is an entrance system having an image angle of 180° suite for a radiation detector for detecting differing wavelengths of sunlight, comprising a hemispherical shell of light transmitting...
4806018 Angular reflectance sensor  
An angular reflectance sensor having no moving parts and capable of the essentially simultaneous measurement of the reflectivity of a surface at a plurality of angles. The sensor comprises a...
4800257 Optoelectronic reading pen  
An optoelectronic reading pen for scanning optically encoded information, applied to an information carrier, particularly in the form of a bar or line code, including means for illuminating the...
4794266 Method and apparatus for light transmission measurement by sending light, measuring received light and computing transmittance  
Measurement equipment based on the measurement of light transmission are plagued by changing characteristics of protective glass surfaces due to contamination or other factors. In a method, light...
4790641 Space telescope connected to a star tracker  
In order to be able to determine in a simple manner the angular deviations etween the optical axes (OT, OS) of a telescope lens (2) and of a star tracker lens (8) which arise during the course of...
4775637 An immunoassay apparatus having at least two waveguides and method for its use  
The unit consists of a cuvette and light guiding means comporting more than one waveguide element in contact with the solution to be analyzed. During operation, signals issuing from said waveguide...
4775791 Transparent sheet light collector for photostimulable phosphor imaging  
A light collector for collecting and detecting emitted light from a raster scanned photostimulable phosphor sheet in a photostimulable phosphor imaging apparatus includes a generally rectangular...
4774404 Optical path blockage detecting device  
An optical path blockage detecting device includes optical conductive members located between light emitting elements and light receptor elements and extending parallel to optical paths defined...
4772787 Monolithically integrated opto-electronic semiconductor component  
A monolithically integrated opto-electronic semiconductor component characterized by a semiconductor substrate having a first surface and a second surface extending parallel to each other, a strip...
4737626 Photoelectric touch panel having reflector and transparent photoconductive plate  
A photoelectric touch panel characterized in that one side is provided with a substrate having light emitting elements and light sensing elements mounted thereon and an opposing side of the touch...
4703173 Probe for collecting light for a radiation monitoring device  
Apparatus for monitoring the intensity of light comprising an optical waveguide having a light-collecting tip end with a diffusing surface which is shaped so that it can collect and transmit light...
4678906 Device for transmitting through an optical coupling data issuing from a steering wheel to an element mounted on a vehicle  
This device for transmitting data, coming from a plurality of control elements (8 to 11) mounted on a steering wheel of a motor vehicle, to a system recognizing the data and also mounted on the...
4568984 Method and apparatus for scanning masters  
A novel apparatus and method for point-to-point and line-by-line opto-electronic scanning of masters mounted on a transparent master carrier and wherein simultaneous opaque and transparency...
4525630 Apparatus for detecting tape on sheets  
Apparatus is disclosed for detecting the presence of shiny tape on a printed note, for example a banknote. An optical fibre fishtail array supplies visible light from a source (A) to a lengthwise...
4493555 High sensitivity focal sensor for electron beam and high resolution optical lithographic printers  
A three slit interferometric focus control device capable of focal positioning accuracies on the order of 300 angstroms. The device includes a zero path Michelson interferometer with reference and...
4472046 Image density detecting device for image forming apparatus  
An image density detecting device for an image forming apparatus includes a substantially rectangular diffusing member for receiving light from document through a focusing light-transmission...
4467188 Device for splitting light from an objective lens  
A phase type diffraction grating and a microprism for splitting the light beam from an objective lens into three light beams. The three light beams are split in one direction by the diffraction...
4301462 Light activated silicon switch with etched channel in cathode base and anode emitter communicating with cladded optical fiber  
A light activated silicon switch (LASS) is disclosed in which light is transmitted from a light trigger source to target areas prepared in the cathode-base and anode-emitter regions of the silicon...
4257058 Package for radiation triggered semiconductor device and method  
The invention is a package for radiation triggered semiconductor devices and a method for directing radiation to the radiation receiving region of a semiconductor device mounted in such a package....
4254333 Optoelectronic circuit element  
In an optoelectronic circuit element for effecting a manually controlled output signal comprising at least one radiation-emitting element, a radiation-propagating unit and at least one...
4243891 Apparatus for detecting holes in webs of photographic paper or the like  
Apparatus for detection of holes in a running web of photographic paper has a U-shaped housing with two spaced-apart legs between which a portion of the web travels toward a severing device. One...
4200397 Apparatus for distinguishing between predetermined ranges of angles at which light rays leave a surface  
The flanks of faults present in a surface produce abnormal reflection of a laser beam during linewise scanning of the surface by a laser beam. This apparatus deflects the angles of reflection from...
4186409 Light activated silicon switch  
A light activated silicon switch (LASS) is disclosed in which light is transmitted from a light trigger source to appropriate target areas on the body of the silicon wafer. The optical conduits...
4107517 Opto-electric device  
Apparatus for transmitting an information signal from one to the other of two relatively rotatable members comprises one or a plurality of light sources radiating into a light guide having an...
4016593 Bidirectional photothyristor device  
A bidirectional photothyristor device comprises a semiconductive substrate including an NPNPN quintuple layer in which projections of both the outer layers Ns in the stacking direction are not...
3917410 Apparatus for measuring the refractive index of liquids or gases  
There is herein disclosed a light conductor apparatus for measuring the refractive index of fluids and determining the mixture-ratios of the fluid components and the fluid temperature. A end-face...
3581100 OPTICAL READING DEVICE  
An optical read head for record-reading electronic equipment which senses and generates signals in response to marks on documents as the documents are transported along a given path.

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