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Patent # Description
US-3,979,625 Ceramic spaced sensor assembly for a gas leak detector
A sensor assembly for a halogenated gas leak detector is characterized by having a porous ceramic spacer element positioned around a central electrode and around...
US-3,979,624 High-efficiency discharge lamp which incorporates a small molar excess of alkali metal halide as compared to...
High-intensity arc-discharge (HID) device of the metal-halide additive type incorporates as essential discharge-sustaining constituents mercury and inert...
US-3,979,623 Indicator display tube
An indicator display tube in which indicator electrode units, each consisting of anode and cathode segments, lie in the same plane and in which all of the...
US-3,979,622 Headlight and incandescent lamp for anti-dazzle beam
The invention relates to a headlight as well as an incandescent lamp which is suitable for being arranged in a reflector by means of which an anti-dazzle beam is...
US-3,979,621 Microchannel plates
An electron multiplier channel plate comprised of a web structure of open channels fused within a solid glass annulus. Inner walls of the channels are...
US-3,979,620 Segmental discoidal winding structure for dynamoelectric machines
A discoidal winding structure for an axial gap dynamoelectric machine is made in segments. Each segment is in the general shape of a sector of the discoid and...
US-3,979,619 Permanent magnet field structure for dynamoelectric machines
A dynamoelectric machine has a stator and a discoidal rotor with an axial air gap between them. The machine has a permanent magnet field structure wherein each...
US-3,979,618 Two layer winding for electric machines
A two layer cord winding for a three phase electric machine in which each of the three winding circuits comprise coils with a number of turns which fill a slot...
US-3,979,617 Electrical rotary speed signal generator
An electrical rotary speed signal generator comprising a rotor mounted on a rotary component and a stator mounted opposite part of the rotor on a stationary...
US-3,979,616 Unipolar rotary step motor
A unipolar rotary step motor having a polarized rotor which turns step-by-step in response to the magnetic field of a control coil as the coil is periodically...
US-3,979,615 Field assembly for electric motors
An electric motor assembly in which a one piece connector housing is mounted generally concentrically upon one end of the stack of core laminations, with...
US-3,979,614 DT cut, contour mode piezoelectric crystal
In a crystal element of the type wherein a DT-cut crystal element is used to generate vibrations of the contour mode, one side of the crystal element is flat and...
US-3,979,613 Multi-terminal controlled-inversion semiconductor devices
Multi-terminal controlled-inversion semiconductor devices are presented having current or voltage controllable switching characteristics provided through use of...
US-3,979,612 V-groove isolated integrated circuit memory with integral pinched resistors
A semiconductor integrated circuit having microminiature active and/or passive elements in which a crystallographic surface of a semiconductor body lies in the...
US-3,979,611 Transistor switching circuit
A switching circuit includes an offset PN junction serially connected to the base of a transistor. In response to an input signal transition for turning off the...
US-3,979,610 Power regulator circuit
This relates to a monolithically integrable circuit for providing an effective constant voltage to automobile instruments; fuel, temperature, etc. The standard...
US-3,979,609 Station finder circuit for two directions
A search tuning circuit for two search directions which includes a starting signal memory having a starting signal input. A search direction signal memory having...
US-3,979,608 Solid state binary logic signal source for electronic timepiece or the like
A pulse generator provides a first and a second train of pulses, the triggering edges of the second pulses occurring within the inactive period of the first...
US-3,979,607 Electrical circuit
A network for preventing large transient currents in the conduction paths of a pull-up transistor connected between a first point of operating potential and an...
US-3,979,606 Current level detector
At least two current mirrors, both responsive to the same input current, the output transistor of the first serving as a current sink for the output current...
US-3,979,605 Integrating circuit for separating a wide pulse from a narrow pulse
This invention relates to an integrating circuit especially suitable for use as a vertical synchronizing signal separation circuit in a television receiver set,...
US-3,979,604 Infrared charge-coupled imager
A charge coupled device for infrared imaging covered with a layer of insulation for absorbing infrared patterns and generating signals due to the temperature...
US-3,979,603 Regenerative charge detector for charged coupled devices
The disclosure relates to an improved detector for use in digital charge coupled device (CCD) applications for recreating full logic voltage levels by detecting...
US-3,979,602 Resistive neuristor junctions
A neuristor R-junction is provided by coupling neuristor lines by paths of varying resistance so that a pulse being propagated on one line when coupled to a...
US-3,979,601 Combination dimmer and timer switch mechanism
A combination switch for use in a standard wall receptacle for controlling the range of power supplied to the receptacle and also for turning on and off the...
US-3,979,600 Sense circuit arrangement
A unique, two-node sense circuit is disclosed. The circuit includes a bridge comprised of resistance elements and a differential amplifier. The two-node circuit...
US-3,979,599 Operatively interlocked electronic system
A first electronic apparatus is provided with a relay energized at a low voltage, the relay having a contact connected in parallel with a power supply switch for...
US-3,979,598 Dual range adjustable delay circuit
The rpm, dwell and timing of an internal combustion engine are measured by starting and stopping a digital counter on the leading edge of pulse waveforms...
US-3,979,597 Solar power plant
A solar energy powerplant has a group of tall, vertical towers open at both ends and containing a plurality of wind-powered impellers mounted in vertically...
US-3,979,596 Coronametric instrument for aerosol measurements
A coronametric instrument includes first and second optical axes respectively responsive to first and second fields of view slightly removed from the sun. The...
US-3,979,595 Knee support and cassette holder for axial X-rays of the knees
A frame which holds the legs, knees, and x-ray film cassette in proper alignment to one another would allow an accurate, easily reproducible, and comfortable...
US-3,979,594 Tomographic gamma ray apparatus and method
This invention provides a radiation detecting apparatus for imaging the distribution of radioactive substances in a three-dimensional subject such as a medical...
US-3,979,593 Detector for measuring a radioisotope tracer gas
The present invention is a detector suitable for an apparatus for the absolute measurement of the mass flow rate of a gas by injecting a radioactive tracer...
US-3,979,592 Large area radiographic scanner
A radiographic imaging system coupled to a movable table for repositioning subject matter at the conclusion of a scanning of an area of the subject matter. The...
US-3,979,591 Method and apparatus for transferring a pattern on an overlying web by laser burning into an underlying web
In the field of the storage and retrieval of information, information records in the form of patterns of microspots of small size and high packing density are...
US-3,979,590 Electron microscope comprising an energy analyzer
A Wien filter, used as an energy analyzer in an electron microscope, includes a four-pole lens which enlarges the dispersion of electrons in one direction. By...
US-3,979,589 Method and system for the infrared analysis of gases
A dual path analyzer and a single path analyzer are disclosed, each for determining the concentration of one or more gaseous components in a mixture of gases....
US-3,979,588 Light projecting and absorbing apparatus in a system for selecting automatically desired music in phonographic...
A detecting unit for automatic tune selection apparatus of a phonographic record player comprising a light projector and a CdS photoelectric element housed in a...
US-3,979,587 Component for light detection and emission
A component formed by the superimposition of a photo-emissive diode and a photodetector diode, is formed by four semi-conductor layers deposited upon one...
US-3,979,586 Non-crystalline device memory array
An erasable optical memory array having at each storage location a non-crystalline, semiconductor threshold switching device. The threshold voltage of each...
US-3,979,585 Adaptive imaging telescope with camera-computer transform image quality sensing and electro-optic phase shifting
An adaptive imaging telescope having a linear sensor for detecting a received optical image. The system includes a choice of two electro-optic phase shifters...
US-3,979,584 Modular chandelier
A modular chandelier whose various decorative elements may be quickly and conveniently disassembled and reassembled to assume numerous different configurations...
US-3,979,583 Photoflash filter
Illumination from a photoflash lamp is limited to radiation useful for photographic exposure by providing the photoflash lamp with an infrared absorbing filter...
US-3,979,582 Discrete analog processing system including a matrix of memory elements
A programmable analog transversal filter is disclosed for processing analog signals and comprising a charge-coupled device (CCD) for receiving a series of...
US-3,979,581 Method and arrangement for determining the mass of tobacco or the like by capacitance and attenuation...
The material whose mass is to be determined is transported along a predetermined path. At a measurement station it forms the dielectric of a capacitor which is...
US-3,979,580 Function selector
A solid state electronic circuit designed to accept coded information to trol the function of a mine mechanism.
US-3,979,579 Aircraft engine fatigue cycle recorder
In an aircraft, a system for recording aircraft fatigue cycles senses engine starting, engine shutdown, landing gear status, engine reversal and throttle setting...
US-3,979,578 Access controller and system
An access controller and system in which an opening for the reception of an access identification member, such as a ticket, card, and the like, is provided with...
US-3,979,577 Code recognition record medium and technique
A method of reading on a record medium a two level code representing at least one character of a set of characters, each character having six consecutive...
US-3,979,576 Electric heating element control circuit
A circuit for connecting to an alternating current electric network having at least one phase a high-power electric heating device, such as a sauna heater,...
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