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| Patent # | Description |
|---|---|
| US-4,700,102 |
High intensity radiation apparatus having vortex restriction means A high intensity radiation source. A liquid vortex wall is formed on the inside surface of an arc chamber to restrict the diameter of an arc generated between... |
| US-4,700,101 |
Elongated tubular lamp construction A tubular gaseous discharge lamp such as an ultraviolet or fluorescent lamp is provided which includes a hollow cylinder which is connected to a pair of end caps... |
| US-4,700,100 |
Flexural disk resonant cavity transducer Omnidirectional sonic transducers suitable for underwater operation as either hydrophones (listening devices) or projectors (sonic sources) are disclosed. The... |
| US-4,700,099 |
Stored energy thermionics modular power system An integrated high power modular thermionic power system is described which comprises a heat source including a generally cylindrically shaped chemical reaction... |
| US-4,700,098 |
D.C. motors with unequal pole spacing A rotary electric apparatus comprising a field magnet having different magnetic poles arranged alternately on a circumferential surface, an armature including an... |
| US-4,700,097 |
Synchronous machine A synchronous machine comprising a stator (41) having armature windings matching to a .phi. phase power source and S number of slots (42) accommodating the... |
| US-4,700,096 |
High speed synchronous machine having a rotor provided with magnets
arranged for orthoradial magnetic induction The synchronous machine comprises a rotor provided with permanent magnets arranged for orthoradial magnetic induction and which are disposed around the axis in... |
| US-4,700,095 |
Construction for installing a stepping motor of a floppy disk drive unit Disclosed is a construction for installing a stepping motor on a frame. A securing portion is provided for the stepping motor such that it is located in a plane... |
| US-4,700,094 |
Magnetic suspension system A magnetic suspension system including a first control coil for establishing circumferential current flow, and second and third control coils for establishing... |
| US-4,700,093 |
Corrosion-resistant motor casing A corrosion-resistant electric motor casing comprises a substantially cylindrical yoke and barrel, and a pair of brackets fixed to and closing the axially... |
| US-4,700,092 |
Electric motor liquid cooling structure The electric motor structure comprises an outer containment box wherewith two heads are associable. The box has an annular chamber subdivided by a plurality of... |
| US-4,700,091 |
Bipolar stepping motor rotor with drive pinion and method of manufacture A wristwatch movement has a Lavet stepping motor directly driving a toothed center wheel by means of a drive pinion which is an integral part of the stepping... |
| US-4,700,090 |
Motor-compressor unit A motor-compressor unit comprises a motor including a magnetizable stator; an armature oscillatable about the motor shaft axis; two coils arranged opposite each... |
| US-4,700,089 |
Delay circuit for gate-array LSI A delay circuit for a gate-array LSI including at least one inverter having a plurality of P-channel transistors (Q.sub.1p to Q.sub.4p) and a plurality of... |
| US-4,700,088 |
Dummy load controlled multilevel logic single clock logic circuit A multi-level logic circuit includes a first plurality of logic circuits that are connected in a cascade arrangement. A second plurality of dummy logic circuits... |
| US-4,700,087 |
Logic signal level conversion circuit A circuit for converting an input logic signal to an output logic signal having differing high and/or low logic voltage levels includes an output transistor and... |
| US-4,700,086 |
Consistent precharge circuit for cascode voltage switch logic A precharge circuit for a cascode voltage switch in which at the beginning of the precharge phase the output state is memorized and the output is isolated from... |
| US-4,700,085 |
Circuit for detecting signal charges transferred in a charge transfer
device The signal charge detector includes a charge-voltage converter, a pre-charge transistor pre-charging the charge-voltage converter to a first voltage, a first... |
| US-4,700,084 |
Digital clock recovery circuit apparatus A circuit for using a high speed clock and a counter to obtain a recovered clock with incoming data resetting the counter whenever a logic "1" of more than a... |
| US-4,700,083 |
Resonant circuit arrangement for switching the current in an inductive
load A circuit for switching current in an inductive load comprising at least one semiconductor switch which periodically switches the current through the load by... |
| US-4,700,082 |
Circuit breaker A circuit breaker for automatically interrupting the flow of an electric current from a power supply to a load such as a microcomputer before the load... |
| US-4,700,081 |
Speed avoidance logic for a variable speed wind turbine A variable speed wind turbine is controlled in a way which avoids the turbine lingering at a critical speed which would otherwise tend to cause excessive... |
| US-4,700,080 |
Color photosensor utilizing color filters A color photosensor which includes a plurality of closely arranged sensor units. Each sensor includes a color filter provided at a position corresponding to that... |
| US-4,700,079 |
Light-transmission type smoke detector having a spiral optical path In a light-transmission type smoke detector, a smoke chamber is composed of a disc-like block of a non-conductive material one side of which has a spiral groove... |
| US-4,700,078 |
Method and apparatus for detecting tire information mark Tire information marks for denoting tire kind, tire size, etc. formed in a surface of side wall of tire as protrusion or groove having a triangular cross section... |
| US-4,700,077 |
Ion beam implanter control system A scanning ion beam implanter having a wafer support to control the angle of incidence between an ion beam and the wafer. The wafer support preferably bends the... |
| US-4,700,076 |
Solid-state X-ray receptor and method of making same An X-ray receptor for producing electrical signals representative of an X-ray image. An array of semiconductor elements is mounted on at least one support, each... |
| US-4,700,075 |
Detector for back-scattered electrons A detector for back-scattered electrons includes a scintillator crystal and a light-conducting device for directing away the secondary radiation to a receiver.... |
| US-4,700,074 |
Scintillation crystal device and scintillation camera incorporating such
device In order to match the trends and demands of modern nuclear medicine, a new scintillation camera head is designed, which features a new crystal-light ... |
| US-4,700,073 |
Photometer An infrared photometer having a measuring cuvette with entrance and exit windows and an output detector preferably made of polyvinylidenfluoride; a second... |
| US-4,700,072 |
Method for determining counting efficiency in a liquid scintillation
counting system Method to determine the degree of chemical quench and the degree of color quench in liquid scintillation samples in order to find the correct counting efficiency... |
| US-4,700,071 |
Method of recording and reproducing an electron microscope image A two-dimensional image sensor such as a stimulable phosphor sheet is exposed under vacuum to an electron beam that has passed through a specimen to cause the... |
| US-4,700,070 |
Radon gas detection apparatus and method A radon sampling unit comprising a cylindrical body containing a measured amount of charcoal for collecting and holding radon gas. A fine mesh screen is... |
| US-4,700,069 |
Mass spectrometer of a quadrupole electrode type comprising a divided
electrode In a mass spectrometer, a quadrupole electrode comprises four electrodes arranged at a predetermined interval about a device axis along which the mass... |
| US-4,700,068 |
Apparatus and method for spatially characterizing and controlling a
particle beam A system and method is described for obtaining a spatial characterization of a particle beam, including the beam direction, position, divergence, aberrations and... |
| US-4,700,067 |
Apparatus for checking atmospheric pollution due to alpha particle
emitting aerosols Apparatus for checking atmospheric pollution by alpha particle-emitting aerosols includes a filter, a detector positioned facing the filter and a unique grid... |
| US-4,700,066 |
Light beam scanning apparatus for reading out or recording an image In a light beam scanning apparatus, two photodetectors are positioned in spaced relation by a predetermined distance within a scanning region in a main scanning... |
| US-4,700,065 |
Pick-up head for incremental transmitter, particularly angular
incremental transmitter A pick-up head for angular incremental transmitter comprises a transmitter portion (14) with luminescence diodes connected to a hybrid circuit. The hybrid... |
| US-4,700,064 |
Temperature varying optical measurement device An optical measurement device in which changes in the output wavelength of the light source do not affect the measurement accuracy. Values representing the... |
| US-4,700,063 |
Encoder output error detecting circuit An encoder having improved output abnormality detection. First and second input signals differing in phase from one another are compared by respective first and... |
| US-4,700,062 |
Position measuring device with a scanned absolute scale A measuring instrument for determining the absolute angular position of two rotatable objects. The instrument comprises a housing which encapsulates a first... |
| US-4,700,061 |
Optical reader A plurality of light emitting elements which are adapted to emit light of three primary colors are activated in a sequential order, and the emitted light is... |
| US-4,700,060 |
Device for selectively routing audio signals bidirectionally along one
or two signal paths The device includes an audio signal circuit having two separate terminals that are connected through the photoresistor elements of two, separate, optical... |
| US-4,700,059 |
Chromatographic optical detector with logarithmic calibration circuit An optical detector is provided. The optical detector provides automatic zeroing of a logarithmic ration function in applications such as absorption meters,... |
| US-4,700,058 |
Film writing system with closed loop control for electronic images An imaging system for generating a image on film from video image data incorporates feedback control techniques to provide control of film density. The system... |
| US-4,700,057 |
Light source with power stabilizer having temperature compensation An optical power stabilizing device for use in an optical information recording and reproducing apparatus is disclosed. The device comprises a light source for... |
| US-4,700,056 |
Objective lens focus initialization system A focus initialization system adapted for use with an optical data recording system. Focus initialization is performed while a tracking servo loop is in an open... |
| US-4,700,055 |
Multiple credit card system The present invention is a system which enables a user to carry one credit card instead of many. The information pertaining to each credit card account, such as... |
| US-4,700,054 |
Electrical devices comprising fabrics An electrical heater which comprises a fabric prepared from at least one of the electrodes and another elongate element of substantially higher resistance. The... |
| US-4,700,053 |
Radiant brazing temperature sensing apparatus and process Both an apparatus and a process for accurately applying a correct amount of brazing heat to a conduit are disclosed herein. The apparatus generally comprises a... |
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