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| Patent # | Description |
|---|---|
| US-4,419,620 |
Linearizing circuits for a semiconductor pressure transducer A circuit for linearizing the output of a differential pressure transducer includes first and second operational amplifiers. Each amplifier is associated with... |
| US-4,419,619 |
Microprocessor controlled voltage regulating transformer A voltage regulating transformer utilizing a microprocessor and a versatile multipurpose set of hardware modules and software modules it is described. A standard... |
| US-4,419,618 |
On-board vehicular network method for efficient generator utilization To utilize the full power capacity of alternators 1, the alternator phases are connected through a transformer 9 to the rectifier 4 which provides rectified... |
| US-4,419,617 |
Thermally electrogenerative storage cell and generator apparatus Apparatus are described for converting thermal energy into electrical energy wherein the electrical energy conversion is accomplished by the use of materials... |
| US-4,419,616 |
Power-up rack and method of use in association with portable
microcomputers within a refinery and the like A power-up storage rack for microcomputers is provided for use in accommodating automatic recharging of each microcomputer irrespective of its multiple uses by... |
| US-4,419,615 |
Method of controlling pulse width modulated inverter for use in
induction motor drive An amplitude ratio K.sub.H of a specific level of a modulating wave and a crest value of a carrier wave is introduced into control of a pulse width modulated... |
| US-4,419,614 |
Apparatus for driving objective lens in tracking direction In an apparatus having an objective lens for projecting a light spot on a track of a disc-shaped record medium, the objective lens is driven in a tracking... |
| US-4,419,613 |
Apparatus for intermittently driving endless belt in automatic screen
printing machine An apparatus for intermittently driving an endless belt by two electric motors in an automatic screen printing machine, which comprises a pair of rollers, an... |
| US-4,419,612 |
Single workhead electro-mechanical internal grinding machine with
grinding spindle directly on cross slide An electro-mechanical control system for controlling all of the movements of one or more slides on a single workhead grinding machine. A programmable controller... |
| US-4,419,611 |
Wiper intermittent motion control device A device is disclosed for intermittent connection of a wiper drive motor to a power source. The device comprises first means for providing a control signal with... |
| US-4,419,610 |
Reversible regenerating electric vehicle drive A reversible regenerating drive system for a vehicle includes a constant speed, bi-directional motor which is energized by a source of power. The constant speed... |
| US-4,419,609 |
Device for the attenuation of the movement of reel motors in tape
recorders during standstill of the tape drive... Device for the attenuation of the movement of the reel motors in recording devices during standstill of the tape capstan drive roller. The regulation of the reel... |
| US-4,419,608 |
Horizontal deflection circuit A horizontal deflection circuit for a television receiver includes a switching output transistor which may experience high collector current under certain... |
| US-4,419,607 |
Discharge lamp starter and starting and operating circuitry Apparatus for starting and operating a discharge lamp includes a starter device having a normally-closed (N/C) switch including a pair of contacts each connected... |
| US-4,419,606 |
Magnetron A magnetron has a filter circuit inserted in a feeder line to a cathode electrode included in a high frequency generator and comprised of choke coils and a... |
| US-4,419,605 |
Gas discharge display device In a gas discharge display device with a gas discharge space which is separated by a hole matrix from an electron acceleration space, helium, to which an amount... |
| US-4,419,604 |
Light sensitive screen Disclosed is a light sensitive screen including at least a light-transmitting conductive film and a photoconductive layer, the light-transmitting conductive film... |
| US-4,419,603 |
Bialkaline photocathode having increased spectral sensitivity and method
of manufacturing same Photocathode of SbK.sub.2 Cs destined for any electro-optical tube. Photocathode (11) comprising a layer (12) of potassium and caesium antimonide SbK.sub.2 Cs... |
| US-4,419,602 |
Electric lamp The molybdenum foil coupling member is disclosed in which potassium (K) and silicon dioxide (SiO.sub.2) are respectively dispersed in the range from 200 to 800... |
| US-4,419,601 |
Spark plug for internal combustion engine A spark plug for an internal combustion engine disclosed herein includes a resistive semiconductor body connecting a center electrode and an earth electrode to... |
| US-4,419,600 |
Stress-compensated quartz resonators A stress compensated thickness-shear resonator is of an orientation (yxwl) .phi./.theta. selected from loci of stress compensated orientations provided for both... |
| US-4,419,599 |
Piezoelectric transducer made from a polymer material and process for
manufacturing same Piezoelectric and pyroelectric transducers whose active element is formed by a polymer film. The transducer is manufactured from a flat polymer film by... |
| US-4,419,598 |
Piezoelectrically controlled piezoresistor Electrically piezoresistor produced by means of a piezoresistive element coupled to an electromechanical transducer, whose terminals are the input terminals of... |
| US-4,419,597 |
Alternator assembly having a rectifier device in thermal contact with
case and cover An alternator assembly for an automotive vehicle including a rectifier device composed of a plurality of diodes supported on a negative-side cooling fin of... |
| US-4,419,596 |
Power on clear circuit A power on clear circuit in which a flip-flop circuit is formed by cross connecting two gate circuits which have logically inverting functions, with the output... |
| US-4,419,595 |
Analog or gate circuit The maximum instantaneous value of analog signals from multiple sources is detected by means of an analog OR gate circuit in which the analog signal from each... |
| US-4,419,594 |
Temperature compensated reference circuit A compensated current reference circuit (10) includes bipolar transistors (32, 48) which have corresponding base-to-emitter resistors (36, 52). A bipolar... |
| US-4,419,593 |
Ultra fast driver circuit A driver circuit in which a signal received at an input gate provides, at the output of the circuit, a signal having fast rise and fall times and high voltage... |
| US-4,419,592 |
Bidirection data switch sequencing circuit Circuit for sequencing asynchronously the direction-indicating signal and the gating signal to bidirectional switch so that the direction-indicating signal is... |
| US-4,419,591 |
Multiterminal DC power transmission system Control units are provided associative with forward and inverse converters in a multiterminal DC power transmission system, respectively. The control units set... |
| US-4,419,590 |
Sequencer for pump motors or the like There is disclosed an electro-mechanical sequencer to equalize the running time of multiple (typically four) pumps in a common sump at a sewage treatment plant... |
| US-4,419,589 |
Multi-stage electrical control system Multi-stage electrical load control apparatus includes current transformers for sensing the on and off status of electrical load elements and a predetermined... |
| US-4,419,588 |
Security electrical power distribution systems for light aircraft
equipped for flight on instruments A security electrical power distribution system for light aircraft equipped for flight on instruments and having at least one navigation system comprising a main... |
| US-4,419,587 |
Output power modulated wind responsive apparatus A wind responsive power generating apparatus (20) comprises a pair of normally mutually orthagonal cross arms (22,24) carrying impeller members (22a,22b,... |
| US-4,419,586 |
Solid-state relay and regulator An improved solid state relay and regulator having reduced turn-off time, analog or digital input, and analog or digital output, is obtained by using a depletion... |
| US-4,419,585 |
Variable angle slant hole collimator A variable angle radiation collimator particularly for use in gamma-photon medical diagnostic systems in a gamma-photon camera system for radiological... |
| US-4,419,584 |
Treating workpiece with beams Apparatus for treating workpieces by directing a beam at the workpieces, with resultant heating of the workpieces, the apparatus including a moving support... |
| US-4,419,583 |
Polarization fluoroimmunoassay with pulsed light source Fluroroimmunoassay of fluoroescently tagged species using pulsed high intensity light, and single or paired fluorescent detectors, and polarizing the activating... |
| US-4,419,582 |
Use of autoionization transition absorption peaks in isotopically
selective photoexcitation Apparatus and process for isotopically selective multi-step photoionization in which the final or ionizing step is tuned to produce a specific transition to an... |
| US-4,419,581 |
Magnetic objective lens for use in a scanning electron microscope In a scanning electron microscope, an objective lens has upper, lower and outer magnetic pole pieces. The bore diameter of the lower magnetic pole piece is... |
| US-4,419,580 |
Electron beam array alignment means An electron beam lens and deflector array mounting and alignment means are provided. The array is a structure composed of several parallel plates which are held... |
| US-4,419,579 |
Dead time compensation circuit This invention relates to a dead time compensation circuit for a radiation detector using a Geiger-Muller tube. The Geiger-Muller tube is the most commonly used... |
| US-4,419,578 |
Solid state neutron detector A solid-state neutron detector for detecting both fast and slow neutrons comprises two layers, one of which contains a neutron-sensitive first material and the... |
| US-4,419,577 |
Test pattern device for radiation detector and method of manufacture A test pattern device for testing scintillation cameras has a radiation transparent body member with internal mercury-filled communicating passages that define a... |
| US-4,419,576 |
Focus compensation linkage A defocus compensation linkage arrangement automatically corrects for the defocussing of the converging viewing lens onto a photodetector in a rotational optical... |
| US-4,419,575 |
Apparatus useful for positioning a light filter An apparatus useful for positioning a light filter includes an incrementally stepped motor having the light filter affixed thereto. The apparatus also includes... |
| US-4,419,574 |
Focus detecting device with varying pitch cylindrical lens element In the disclosed focus detecting system, the focusing condition of an objective lens relative to an object is determined by a number of pairs of radiation... |
| US-4,419,573 |
Variable data product bar code sales system A supermarket with a central computer (I) and a plurality of check-outs (K) each having a bar-code reader (L) and a register (M) connected to the computer (I)... |
| US-4,419,572 |
Check digit calculator There is provided a calculator for calculating check digits which are obtained from code numbers according to a modulus 10, modulus 11 or the like check. In... |
| US-4,419,571 |
Stepped-down mechanical counting mechanism Stepped-down counting mechanism with number wheels drawn on a locking shaft, with a control disc and with a slotted link. The number wheels and the control disc... |
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