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| Patent # | Description |
|---|---|
| US-4,342,020 |
Electrical network A mechanically stable electrical network has a metal carrier and an insulating layer which supports the electrical network on the metal carrier. |
| US-4,342,019 |
Electromagnetic relay with a flat armature An electromagnetic relay has a flat armature which is normally biased away from a pole plate by a bearing spring attached to the armature which is mounted in a... |
| US-4,342,018 |
Magnet control device for cameras In a camera, a magnetic control device for controlling a shutter release mechanism or the like includes an electromagnet and a member to be attracted by the... |
| US-4,342,017 |
Electrical relay means An electrical relay assembly is shown having a mounting base carrying a plurality of electrical terminals extending from one side thereof (for connection to... |
| US-4,342,016 |
Transfer-type electromagnetic relay comprising a coil around a housing
of the relay and an armature carrying... In a transfer-type electromagnetic relay, movable contact studs are attached to both ends of a leaf spring (38) fixed onto an armature (39) for reducing the... |
| US-4,342,015 |
Electromechanical band pass filters An electromechanical band pass filter includes a plurality of cells in cascade. Each cell comprises two parallel cylindrical bars forming longitudinally... |
| US-4,342,014 |
Multi-resonator crystal filter having a reduced number of pins and
method of fabrication thereof A multi-resonator crystal filter is provided having a reduced number of electrical connecting pins. The monolithic crystal filter includes at least four... |
| US-4,342,013 |
Bidirectional power line filter A bidirectional power line filter provides distributive capacitance to accomplish filtering is electrically connected between the power lines and the ground wire... |
| US-4,342,012 |
Surface acoustic wave device A surface acoustic wave device in which an X-cut LiTaO.sub.3 single crystal substrate has its one major surface coated with a SiO.sub.2 film and the direction of... |
| US-4,342,011 |
Surface acoustic wave device A surface acoustic wave device comprising a piezoelectric substrate, an input transducer and an output transducer arranged diagonally to each other. A multistrip... |
| US-4,342,010 |
Dielectric waveguide power limiter A dielectric waveguide power limiter for a self-oscillating mixer operating n millimeter-wave frequencies. The limiter includes a high resistivity silicon... |
| US-4,342,009 |
Electronically tuned Gunn oscillator and mixer including the same The millimeter and submillimeter wavelength oscillator includes a Gunn diode coupled to a hole in a ferrite image waveguide in such a way that a portion of the... |
| US-4,342,008 |
Switched tuneable frequency multiplier A broadband high frequency signal generator is disclosed having a low and a high frequency swept signal source connected to a YIG tuned frequency multiplier. One... |
| US-4,342,007 |
Swept frequency oscillator with compensation for variations in tuning
sensitivity In a swept frequency oscillator arrangement compensation is provided for the non-linearities in the tuning sensitivity of the oscillator. The non-linearities are... |
| US-4,342,006 |
Amplifier circuit for supplying load with output signal current
proportional to input signal voltage An amplifier circuit comprises a differential or operational amplifier having a first input connected to receive an input signal, and a transistor having its... |
| US-4,342,005 |
Television intermediate frequency amplifier with feedback stabilization An I.F. amplifier is provided in which gain control is accomplished by varying the A.C. impedances of variable impedance devices, which devices are coupled as... |
| US-4,342,004 |
Voltage comparator circuit The comparator circuit of the invention is provided with a bias voltage generating section which produces a bias voltage corresponded to an output voltage of a... |
| US-4,342,003 |
Operational amplifier with increased settling speed A compact, complementary metal-oxide on silicon integrated circuit operational amplifier (10, 70, 76) having a differential input stage and an output transistor... |
| US-4,342,002 |
Modular electronic systems An amplifier system comprises a plurality of modules located within a cabinet in a manner providing minimum signal paths. The signal to be amplified is divided... |
| US-4,342,001 |
Differential amplifier having a low-pass characteristic The input terminal of a voltage follower is coupled to a point of reference potential via a first capacitor. A second capacitor is alternately connected across a... |
| US-4,342,000 |
FM Detecting circuit In an FM detecting circuit of either the ratio detecting circuit type or the quadrature detecting circuit type arranged to have an LC resonance circuit and to... |
| US-4,341,999 |
High accuracy phase shift control system The phase shift imparted to a signal is accurately controlled by passing the signal through a phase shifter in which the phase shift is adjusted by an automatic... |
| US-4,341,998 |
Magnetostatic wave magnetometer A unidirectional magnetometer comprising at least two magnetostatic wave oscillators with resonators or delay lines, made in two portions in a magnetic material... |
| US-4,341,997 |
Magnetic particle inspection process useable with simultaneous
illumination by ultra-violet and white light A method and composition for non-destructive testing of a magnetizable workpiece in which the surface of the workpiece is coated with a composition containing... |
| US-4,341,996 |
Speed measuring apparatus for indicating percentage of nominal full
speed, acceleration and deceleration A speed measuring apparatus is provided for indicating a percentage of noal full speed RPM of a jet engine and also for indicating time required for... |
| US-4,341,995 |
Velocity profile analyzer A velocity profile analyzing device measures the change or non-linearity in the velocity of a system under test, and digitally displays the measured variation.... |
| US-4,341,994 |
Power level measurement system A power level measurement system includes a power level sensor having a linear response to power level variations for power levels below a predetermined level... |
| US-4,341,993 |
Reflector optics with impedance sensing orifice A particle analyzing apparatus comprising a reflector chamber containing an electrolyte and having a concave reflector surface with a first focus and a second... |
| US-4,341,992 |
Conductive probe cover Several improvements are disclosed for the design of a protective cover for the probe component of an electronic thermometer. In one embodiment, the probe cover... |
| US-4,341,991 |
Voltage stabilizer suitable for a telephone set Voltage stabilizer for use in a telephone set which in order to obtain a low direct current resistance and a high alternating current impedance comprises two... |
| US-4,341,990 |
High frequency line ripple cancellation circuit In circuits such as voltage regulators and the like where parasitic currents may be generated as a result of high frequency ripple on the supply line, means are... |
| US-4,341,989 |
Device for phase compensation and excitation of an asynchronous machine
operating as a generator The invention relates to a device for phase compensation and excitation of a multiphase asynchronous machine, especially one to be driven as a generator and to... |
| US-4,341,988 |
Voltage level detector for battery charger control circuit A voltage level detector for controlling a battery charger, includes a power supply circuit adapted to be coupled to a battery during charging thereof, a first... |
| US-4,341,987 |
Two-speed single phase motor with centrifugal switch A two-speed single phase motor of the capacitor-start type is disclosed wherein the motor is switched from the start condition to the run condition by means of a... |
| US-4,341,986 |
Servo control system for the positioning of an apparatus A servo control system for the positioning of a projector comprising a dit current motor having the projector connected to the shaft of the motor, and a digital... |
| US-4,341,985 |
Proportional speed control arrangement A proportional speed control arrangement (100) is disclosed for use with vehicles requiring variable velocities of operation. Specifically, the arrangement is... |
| US-4,341,984 |
Electronic commutation for direct current electric motors A Direct Current electric motor comprises a stator consisting of a plurality of coils interconnected to one another, and a plurality of gate controlled solid... |
| US-4,341,983 |
Automatic sequence control system An automatic system for controlling a plurality of motors includes motor starting circuitry and motor stopping circuitry that serves to sequentially start and... |
| US-4,341,982 |
Simultaneous independent control system for electric motors A system for simultaneously and independently controlling a plurality of electric motors from a number of dispersed stations. The system operates by transmission... |
| US-4,341,981 |
Rotary direction reversing apparatus for a motor of a microcassette tape
transport A direction reversing apparatus for a rotary motor of a microcassette tape transport includes a motor (14) having substantially the same characteristic for the... |
| US-4,341,980 |
Flat display device A flat display device comprises a vacuum envelope constituted by a back base plate consisting of an elastic metal plate and a display panel and accommodating a... |
| US-4,341,979 |
Fluorescent lamp with rotating magnetic field arc spreading device An arc discharge device such as a fluorescent lamp comprising an outer envelope having an inner phosphor coating. A rotating field magnetic arc spreading device... |
| US-4,341,978 |
High-intensity-discharge lamp with improved color rendition of
illuminated objects High-intensity-discharge lamp is fabricated in a fashion generally similar to a standard high-pressure-mercury lamp which has a red-emitting phosphor coated on... |
| US-4,341,977 |
Arc spreading with initiators An arc discharge device such as a fluorescent lamp comprising an envelope having an inner phosphor coating. Arc discharge filaments are disposed in said envelope... |
| US-4,341,976 |
Display system A monochromatic and polychromatic display system (10) which is operative by the generation of ultraviolet energy impinging on fluorescent material compositions... |
| US-4,341,975 |
Jacketed lamp having transversely mounted arc tube Transverse mounting of the arc tube within the lamp jacket is effected through a mount featuring a hinged attachment of the arc tube between divergent support... |
| US-4,341,974 |
Piezoelectric crystal element for use in force, pressure and
acceleration transducers A piezoelectric crystal element for use in force and pressure transducers and accelerometers, consisting of a monocrystalline cubic-polar material with electrode... |
| US-4,341,973 |
Armature in electrical rotary machine In the armature of an electrical rotary machine, each of the half coils printed on both surfaces of an insulating disc is made up of a radially extended linear... |
| US-4,341,972 |
Dynamoelectric machine commutator structure and method of making same A dynamoelectric machine commutator structure having a plurality of conductive commutator segments secured in operating position by a commutator banding is... |
| US-4,341,971 |
Armature of electric rotating machine At least one circumferential slot is provided at a predetermined axial position on an armature core so as to cross axial slots receiving a plurality of coil... |
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