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| Patent # | Description |
|---|---|
| US-4,672,237 |
Logic circuit having delay time free from temperature affection A logic circuit such as an emitter coupled logic includes a current switch section formed of transistors and resistors and comparing an input signal with a... |
| US-4,672,236 |
Voltage-to-frequency converter circuit A voltage-to-frequency converter circuit comprising an input circuit which receives an input signal and converts it to a pair of D.C. voltage signals of equal... |
| US-4,672,235 |
Bipolar power transistor A power transistor comprising a plurality of elementary transistors coupled in parallel and an identical number of current generators, each of which has a... |
| US-4,672,234 |
Switch system for overhead electric cords A switch system for overhead electric extension cords for remotely controlling overhead-mounted electrical appliances, such as fans. A drop cord includes an... |
| US-4,672,233 |
Controller with dual function switch A machine controller having start and time delay functions activated and set by a single switch. There is a cycler for activating and deactivating machine... |
| US-4,672,232 |
Microprocessor operated timing controller The timing controller includes a triac, a receptacle, and an AC wall outlet coupled in series. A sensor is coupled across the receptacle to sense when a lamp... |
| US-4,672,231 |
Control circuit particularly adapted for use with lubrication sensor
apparatus A pressure sensor probe has a first port connectable to a relatively low pressure source in a compressor crankcase and a second port connectable to a relatively... |
| US-4,672,230 |
Electronic proximity switch device An electronic switch of the type having two external lines, one of which is connected to one pole of an operating voltage source in series with a load and the... |
| US-4,672,229 |
Wall-mounted touch control switch An improved touch control switch is adapted to be a direct replacement for a standard toggle switch in a standard single-gang or multi-gang switch box. The touch... |
| US-4,672,228 |
Battery backup system for switched power supply A battery back-up system providing a short term hold-up for a converter type switched power supply. The back-up system includes a regulated charger circuit for... |
| US-4,672,227 |
Automatic transfer switch with delay An automatic transfer switch with time delayed emergency generator system is taught. The microprocessor is interconnected with a programming device and with a... |
| US-4,672,226 |
Redundant resistance temperature detector power supply system A redundant power supply/signal conditioner system for a resistance temperature detector includes power supply/signal conditioner modules having first and second... |
| US-4,672,225 |
Automotive anti-theft device An anti-theft device for automobile vehicles disables the vehicle's starter ignition system unless a coded resistive element is inserted into the device by the... |
| US-4,672,224 |
Composite automatic control system for vehicle engine with theft
prevention circuit The composite automatic control system for vehicle engine with theft prevention circuit serves the purpose of controlling the door lock and engine starting power... |
| US-4,672,223 |
Proving safe operation To ensure the safe operation of an electronic circuit, for example an amplitude modulated carrier signal generator, an output of the circuit is analyzed to prove... |
| US-4,672,222 |
Ocean wave energy converter A self-stabilized and modularly expandable system of independently operative point absorbers with respective drive transmissions and electrical generators... |
| US-4,672,221 |
Photoelectric conversion element with light shielding conductive layer A photoelectric conversion element comprises a substrate, a plurality of separate electrodes arranged in a row on the substrate, signal lead-out parts extending... |
| US-4,672,220 |
Method and apparatus for reading out an opto-electric detector For reading-out an opto-electric detector constructed as an array of rows, the signal contents of several detector elements of a row section of a row located... |
| US-4,672,219 |
Image reader with scanning by array of sequentially illuminated light
sources An image reader is adapted to read an image represented on a document. The image reader comprises a reading unit, an LEDs driving circuit, and means for moving... |
| US-4,672,218 |
Method for determining the onset of crystallization A method for determining the onset of nucleation wherein a zone of a translucent fluid in which crystals may be formed is illuminated by a beam of light. When... |
| US-4,672,217 |
Easily cleaned photoelectric smoke detector A photoelectric smoke detector which operates on the scattered light principle and involves a light source, and a photosensor placed at an angle to the light... |
| US-4,672,216 |
Liquid quality monitor having a plurality of photodiodes for detecting
light scattered at various angles A power station boiler condensate water monitor employs a light-scatter cell for the detection of oil and/or particulates in the water. In order to determine... |
| US-4,672,215 |
Hand held laser bar code reader with safety shutoff responsive to
housing motion detector A hand held laser bar code reader includes a motion sensor and associated circuitry to disable energization of the laser unless the bar code reader has just... |
| US-4,672,214 |
Optical switch having light source and receiver positioned stationary
relative to steering wheel A steering switch device (200) for a vehicle having a vehicle body (1), a steering wheel (100) rotatably attached to the vehicle body, and an electrical load... |
| US-4,672,213 |
Container, especially for radioactive substances Container, especially for radioactive substances such as radioactive liquids, with an inner container for receiving these substances and an outer container, in... |
| US-4,672,212 |
Multi leaf collimator A multi leaf collimator for a radiation beam the particles of which is selected from the group consisting of high energy photons, electrons, protons and heavy... |
| US-4,672,211 |
Blackbody simulator with uniform emissivity A blackbody simulator which includes a core having a non-spherical cavity and an aperture to the cavity. A substantial portion of the cavity surface is shaped so... |
| US-4,672,210 |
Ion implanter target chamber A target chamber for a mechanically scanned ion implanter in which semiconductor wafers are maintained in contact with a rotating target disk entirely by body... |
| US-4,672,209 |
Component alignment method A method for the alignment of electronic components to be mounted on a printed board. The alignment is accomplished by illuminating the surface of the printed... |
| US-4,672,208 |
Particle detector crystal and related particle detector assembly A particle detector crystal comprising a diamond-shaped crystal scintillation material having 60 degree and 120 degree apexes and having at least one slot... |
| US-4,672,207 |
Readout system for multi-crystal gamma cameras A radioisotope camera (10) having an array (12) of scintillation crystals (13) arranged in N rows and M columns and adapted to be struck by gamma-rays from a... |
| US-4,672,206 |
Passive infrared detector A passive infrared detector including an optical collector releasably attached to a base with a sensor on which incident infrared radiation directed through the... |
| US-4,672,205 |
Method of processing the output signals of an optical earth-horizon
sensor The invention is directed to a method for determining the anomaly portion the output signal of a zero-seeking earth-horizon sensor for a geostationary... |
| US-4,672,204 |
Mass spectrometers Mass spectrometer having an ion source, acceleration means able to impart to the ions an energy essentially dependent on their electric charge, means for... |
| US-4,672,203 |
Two stage valve for use in pressure converter A multi-stage valve having a valve housing containing an inlet port and an outlet port that communicate through means of an elongated chamber formed in the... |
| US-4,672,202 |
Adjustable mount for electro-optic transducers in an evacuated cryogenic
system The invention is an adjustable mount for positioning an electro-optic transducer in an evacuated cryogenic environment. Electro-optic transducers are used in... |
| US-4,672,201 |
Phase controlled incremental distance measuring system A device for detecting alternating light and dark areas of a Vernier or Moire interference pattern. The device comprises a plurality of paired light sources and... |
| US-4,672,200 |
Optical inspection of transparent layers Method and apparatus for optical inspection of transparent layers such as the wall of glass and plastic containers, using bifurcated fiber optic probes. One or... |
| US-4,672,199 |
Fiberoptic temperature/pressure sensor system A fiberoptic sensing system comprising a light source, a sensor responsive to external stimulus, an optical fiber connected to the light source and the sensor, a... |
| US-4,672,198 |
Signal sampler microbending fiber test clip The invention relates to a hand-held device for detecting whether or not an optical fiber is carrying a light signal. The device includes a spring loaded hook... |
| US-4,672,197 |
Photosensor employing optical guide posts to detect an object in the path A plurality of optical guide paths are built in a guide path plate. A plurality of optical guide posts are erected on the guide path plate so that each may... |
| US-4,672,196 |
Method and apparatus for measuring properties of thin materials using
polarized light A method and means for measuring and/or determining characteristics of a material by analyzing the characteristics of an energy beam incident upon and affected... |
| US-4,672,195 |
Radiant beam coordinate detector system A crossed light beam coordinate detection and encoding system having a plurality of emitter/detector pairs along each axis of the display space is disclosed. The... |
| US-4,672,194 |
Passive proximity battery control circuit for night vision goggles A circuit for automatically removing battery power from a night vision goggle (10) upon its detachment from a headgear (12). A magnet (34) on the headgear (12)... |
| US-4,672,193 |
Micro-channel plate support and lead structure An electron multiplier includes a micro-channel plate (12) having secondary electron emission. The channel plate is fitted in an annular metal frame (16, 17)... |
| US-4,672,192 |
Laser light beam noise reducing apparatus Laser beam noise reducing apparatus includes an acoustooptic cell which receives a noisy input laser light beam and produces an undiffracted or zero-order light... |
| US-4,672,191 |
Shadow solar tracking device and system A solar tracking device (10) has a shadow plate (12) mounted above support (14). A first pair of photoresponsive sensors (18) is mounted beneath the shadow plate... |
| US-4,672,190 |
Line following system and process with matrix generating A line following system comprising a matrix generating optical scanning device which produces a matrix representing a portion of a line being followed and a... |
| US-4,672,189 |
Device for sensing light and providing electrical readout The disclosed device responds to pulsed light from a light source to produce electrical signals. A photo-electric transducer element uses a number of signal... |
| US-4,672,188 |
Focus detector for optical apparatus An optical disk recorder focus-error system includes a so-called "knife-edge" focus detector. The dynamic range of the detector is enlarged by placing an... |
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