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| Patent # | Description |
|---|---|
| US-4,264,836 |
Laminated rotor for a synchronous salient-pole electrical machine A rotor, for a synchronous salient-pole electrical machine, having a rim built up in annular layers consisting of segments provided with recesses forming slots... |
| US-4,264,835 |
Slot closure for the semi-closed slots of an electric machine stator A slot closure for the semi-closed slots of the stator of an electric machine is disclosed. The slot closure comprises slot closing bars interconnected in a... |
| US-4,264,834 |
Flexible serrated abradable stator mounted air gap baffle for a
dynamoelectric machine An improved air gap baffle is disclosed for a dynamoelectric machine of the type having an air-tight casing filled with a cooling gas, a stator core, a rotor... |
| US-4,264,833 |
Stepping motor A stepping motor having at least one stator with circularly disposed and equally interspaced poles. A rotor is provided which coacts with the stator and is... |
| US-4,264,832 |
Feedback amplifier This is a feedback amplifier incorporating shunt feedback pairs which are emitter coupled for differential input transimpedance configuration whose ... |
| US-4,264,831 |
Touch control switch A touch control switch suitable for connection between a lamp load and a supply circuit in a lighting installation for alternating current and comprising a... |
| US-4,264,830 |
Switching circuit for high-voltage thyristors To turn a thyristor, particularly a high-voltage thyristor, ON, and to connect the thyristor and the utilization circuit to a power source, a charge capacitor is... |
| US-4,264,829 |
MOS Inverter-buffer circuit having a small input capacitance For preventing an input signal supplied to an input terminal (A) from directly affecting an inverted signal derived at a node (15), an inverter stage of an... |
| US-4,264,828 |
MOS Static decoding circuit A metal-oxide-semiconductor (MOS) static decoding circuit for selecting an addressed line in a high density memory array, or the like, is disclosed. The circuit... |
| US-4,264,827 |
Current mode data or power bus A current mode data or power bus which provides communication between two or more terminal devices over a common, single-channel medium. The data bus comprises a... |
| US-4,264,826 |
Apparatus for generating thermal energy and electrical energy An apparatus for generating thermal and electrical energy includes an internal combustion engine connected to and adapted to drive a generator for providing... |
| US-4,264,825 |
Film splice detector system A film detector system is provided for detecting film splices or other surface abnormalities longer than a desired length. A film support member is provided over... |
| US-4,264,824 |
Far field imaging Distant radiation sources are imaged using a collimator having a multiplicity of portions, the transmissivities of the portions to radiation reaching the... |
| US-4,264,823 |
Well logging digital neutron generator control system A pulsed neutron well logging system using a sealed off neutron generator tube is provided with a programmable digital neutron output control system. The control... |
| US-4,264,822 |
Electron beam testing method and apparatus of mask A method and an apparatus for testing a mask by an electron beam are disclosed in which the electron beam probe is first incident upon a predetermined point on a... |
| US-4,264,821 |
Cassette for an X-ray film A cassette for an X-ray film has a cover part, a body part, and means for connecting these parts in a closed position of the cassette. A magnetic plate is... |
| US-4,264,820 |
Method and apparatus for making X-ray photographs of jaw structure A method of apparatus for making X-ray photographs of a jaw structure which makes it possible to obtain clear and distinct images of the dental arch without... |
| US-4,264,819 |
Sputtered particle flow source for isotopically selective ionization Method and apparatus for sputtering particles of plural isotope types to produce a particle flow of the plural isotope types into a region where laser radiation... |
| US-4,264,818 |
Single-tank X-ray generator There is provided a single-tank X-ray unit having a closed cooling circuit arranged in a housing for circulating a cooling agent to discharge the heat generated... |
| US-4,264,817 |
Coaxial electron capture detector with thermionic emission electron
source An electron capture detector in which electrons for the reaction are supplied by a filament in a cylinder through which guard gas is passed. Apertures in the... |
| US-4,264,816 |
Ionization chamber An ionization chamber has separate drift and detection regions electrically isolated from each other by a fine wire grid. A relatively weak electric field can be... |
| US-4,264,815 |
Apparatus for X-ray analysis of a specimen with local resolution In apparatus for examining the material of a specimen with local resolution employing an X-ray probe and operating according to the scanning principle, including... |
| US-4,264,814 |
Method for detecting trace impurities in gases A technique for considerably improving the sensitivity and specificity of infrared spectrometry as applied to quantitative determination of trace impurities in... |
| US-4,264,813 |
High intensity ion source using ionic conductors The present invention describes an ion source which is capable of producing relatively high density ion currents. The ion source employs an electrically biased... |
| US-4,264,812 |
Method for determining the absorption cross section of small fluid
samples A source of fast neutrons and a detector responsive to the thermal neutron population decay rate are utilized in a well logging instrument. The instrument is... |
| US-4,264,811 |
Semiconductor image sensing device A semiconductor image sensing device comprising a photoelectric conversion surface, a channel plate, means for applying an electron accelerating voltage across... |
| US-4,264,810 |
Focus detecting apparatus Focus detecting apparatus for an optical system including first and second image forming optical means for forming the image of an object along first and second... |
| US-4,264,809 |
Servo control loop using optical feedback In accordance with a presently preferred embodiment of the invention, a servo control loop is disclosed using optical feedback to control the movement of a... |
| US-4,264,808 |
Method and apparatus for electronic image processing of documents for
accounting purposes A method and apparatus are disclosed for separating the information on documents involved in transactions such as accounting or banking transactions, for... |
| US-4,264,807 |
Counter including two 2 bit counter segments connected in cascade each
counting in Gray code An electrical counter including a pair of counter segments connected in cascade. Each of the counter segments has a capacity of two bits and counts in Gray code... |
| US-4,264,806 |
Electromechanical pulse counter Electromechanical pulse counter with a housing, wherein a current carrying spool and coil means is secured, whereby the spool and coil means surround an iron... |
| US-4,264,805 |
Wireform heating element support for ceramic top Apparatus for supporting electric range heating elements below a smooth cooking surface, including a lightweight wire frame formed with at least a pair of... |
| US-4,264,804 |
Electric heating elements The invention relates to support legs for bake elements used in microwave ovens of the dual-purpose cavity oven type. The improved support leg comprises a... |
| US-4,264,803 |
Resistance-heated pyrolytic boron nitride coated graphite boat for metal
vaporization Resistance-heated vaporization boats for the vacuum vaporization of metals, such as aluminum, chromium, copper or the like, are made by machining a boat cavity... |
| US-4,264,802 |
Thermocouple, multiple junction reference oven An improved oven (10) for maintaining the junctions of a plurality of reference thermocouples at a common and contant temperature. The oven (10) is characterized... |
| US-4,264,801 |
Method of welding tube to header of heat exchanger In a method of welding a thin titanium tube to a titanium or titanium clad header of a heat exchanger, the titanium tube is inserted into a hole formed through... |
| US-4,264,800 |
Microwave oven window Microwave oven window having a microwave-blocking screen, an interior plastic film and a pressure-sensitive adhesive layer bonding the plastic film to the screen... |
| US-4,264,799 |
Electrical switches An electrical switch the body of which includes a base, and supports an operating member for rotational and axial movement relative to the body. The base is... |
| US-4,264,798 |
Electrostatic switch The indentations in a serrated wall are used as a temporary storage volume for a conducting liquid. A conducting layer in the serrated wall is separated from the... |
| US-4,264,797 |
Elongated key membrane switch A multi-layered membrane switch having a spacer layer with one or more tabs extending across the width of its cut out portion to provide support for an upper... |
| US-4,264,796 |
Circuit breaker having improved movable contact A circuit breaker including first and second spaced-apart stationary contacts and a movable contact operable between open and closed positions with respect to... |
| US-4,264,795 |
Switching device An outer arc extinguishing compartment is disposed coaxially with an inner arc extinguishing compartment and partly projects under one end thereof. A movable... |
| US-4,264,794 |
Circuit interrupter including arc extinguishing fluid pressurization
means and pressure accumulating means A circuit interrupter comprising an interrupting unit including an arc extinguishing chamber containing an arc extinguishing fluid and a pair of separable... |
| US-4,264,793 |
Machine door closure safety control apparatus In a machine which includes a motor and a housing, and wherein the machine is adapted to be connected to a source of supply of power for energizing the motor,... |
| US-4,264,792 |
Safety locking system A safety locking switch that can connect a selected wire to a grounded plate, on which the switch is mounted, has a metallic housing, a key operated lock mounted... |
| US-4,264,791 |
Devious path rotary switch A rotary switch comprising a body supporting a shaft and a plurality of spaced apart stationary contacts located around the shaft. The shaft is supported for... |
| US-4,264,790 |
Directional microphone A directional microphone of the interference type comprising a single elongated tube having one or more longitudinal slots or side apertures therein, at least... |
| US-4,264,789 |
Voice coil assembly for a speaker A voice coil assembly for a speaker comprises a substrate, a spiral pattern coil formed on the substrate, at least one holder fixedly secured to the periphery of... |
| US-4,264,788 |
Damped ultrasonic detection unit This invention relates to damping pads and accoustical horns for use with transducer assemblies. The problems of proximity detection ranges, subfreezing... |
| US-4,264,787 |
Hazardous voltage protection circuit A circuit for protecting telephone lines from AC hazardous voltages. The circuit includes an amplitude discriminator triggered at a predetermined voltage level... |
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