Searching:
Search by keyword, patent number, inventor, assignee, city or state:
| Patent # | Description |
|---|---|
| US-4,341,970 |
Three phase winding for high voltage machines with y-connected phases A three phase winding for a high voltage machine with Y connected legs, whose coil groups, disposed on the circumference so as to be cyclically distributed,... |
| US-4,341,969 |
Direct current motor with improved pole piece that reduces cogging A direct current motor having pole pieces in the shape of partial cylinders each having an inner surface terminating in a leading and trailing edge. A series of... |
| US-4,341,968 |
Support means for high-temperature generator stators Means for assembling ferromagnetic stators of rotating electric machines to housings made of lightweight alloys where high temperature operation causes loss of... |
| US-4,341,967 |
Charging generator for vehicle A charging generator for a vehicle comprises a stator; a rotor facing said stator with a gap; a pair of slip-rings mounted on said rotor; a pair of brushes... |
| US-4,341,966 |
Laminated dynamoelectric machine rotor having cast conductors and radial
coolant ducts and method of making same A rotor comprising stacked laminations having conductor slots and axial passageways provided with closed-slot spacer assemblies that are stacked in groups... |
| US-4,341,965 |
Composite electrode and insulating wall elements for magnetohydrodynamic
power generating channels... A composite element comprises a matrix composed of at least one member selected from the group consisting of oxides, carbides, nitrides and borides and a fibrous... |
| US-4,341,964 |
Precision time duration detector A detector for determining whether the time duration between a positive and a negative peak of a waveform is greater or less than a predetermined time interval... |
| US-4,341,963 |
Integrated circuit for chip op/amp interface An integrated circuit including a charge-coupled device for accumulating charge in a potential well and pair of metal-oxide semiconductor (MOS) transistors... |
| US-4,341,962 |
Electronic gain control device An electronic gain control device including a first bipolar circuit having log transfer functional elements, preferably in the form of a pair of parallel first... |
| US-4,341,961 |
Discrimination apparatus for extracting maximum-value output from a
plurality of signals and indexing the... A channel discrimination apparatus comprises a plurality of photocouplers each consisting of an electroluminescent element and a photoelectric element, and... |
| US-4,341,960 |
I.sup.2 L Static shift register Each bit of the register includes a plurality of active elements which perform as NOR logic gates. Each active element comprises an I.sup.2 L unit consisting of... |
| US-4,341,959 |
Wave energy power station A wave energy power station comprises two water-filled chambers in communication at the bottom, wherein a first chamber is in communication with the sea at the... |
| US-4,341,958 |
Yarn-break/yarn-stop detecting device In a photoelectric yarn-break/yarn-stop detecting device in which a light emitter element and a photoelectric transducer element are positioned in such a manner... |
| US-4,341,957 |
Fluorescent antibody composition for immunofluorometric assay A new family of fluorescent antibodies (FAB) and a method for their synthesis is disclosed for use in an apparatus and method wherein the effects of background... |
| US-4,341,956 |
Apparatus and method for compensating the dark current photoelectric
transducers A sample and hold auto-zeroing feedback circuit is utilized to drive the dark current of a solid state photodiode to zero in the absence of incident light... |
| US-4,341,955 |
Image intensifier of the proximity-focus type An image intensifier of the proximity-focus type, comprising at least one photocathode and at least one anode screen located opposite to the photocathode, said... |
| US-4,341,954 |
Photo-electric converting apparatus A photo-electric converting apparatus comprises an array wherein a plurality of photo-electric converting elements are provided, each of which having a... |
| US-4,341,953 |
Focus detecting system A focus detecting system for detecting focusing condition of an image forming optical system to an object. In this system there are produced first and second... |
| US-4,341,952 |
Variable pitch grooved label for video disc A video disc record suitable for use with a video disc player apparatus is provided with a label for identifying the program material stored on the surface of... |
| US-4,341,951 |
Electronic funds transfer and voucher issue system In a system for transferring electronic funds data in lieu of cash between vendees and vendors associated with a sponsoring financial institution, each vendee is... |
| US-4,341,950 |
Method and circuitry for synchronizing the read and update functions of
a timer/counter circuit The present invention pertains to a method and synchronizer circuit for controlling the counting operation of a timer/counter circuit to synchronize the read and... |
| US-4,341,949 |
Electrical heating apparatus with a heating element of PTC material Electrical heating apparatus, including a frame formed of insulating material having an opening formed therethrough, a heating element formed of positive... |
| US-4,341,948 |
Apparatus with built-in heating device for disinfecting contact lenses Apparatus for disinfecting contact lenses by heating, comprising a reservoir designed for holding a liquid and having a tight lid together with a heating device... |
| US-4,341,947 |
Glow discharge heating apparatus Typically, a bottom of a cup-shaped electrode opposes to that of a similar electrode through a predetermined gap and in a mixture of helium and hydrogen. A... |
| US-4,341,946 |
Electrical resistance heating element In an electrical resistance heating element (1) comprising a heating conductor support (3) of insulating material and a heating conductor (4) of resistance wire... |
| US-4,341,945 |
Fire extinguishing device for electrophotocopier A fire extinguishing device for use with a heat fusing apparatus in an electrophotocopying machine, comprising a roller movably mounted above a copy paper... |
| US-4,341,944 |
Reduction of arc blow in multi-electrode welding A method and apparatus for reducing "arc blow" in multi-electrode welding of a metallic workpiece. Arc blow is produced by interaction between the magnetic... |
| US-4,341,943 |
Method of butt welding sheet metal A method of positioning and guiding two edges of thin sheet metal in such a manner that the edges are urged into overlapping relationship with each other under... |
| US-4,341,942 |
Method of bonding wires to passivated chip microcircuit conductors A wire is positioned in intimate contact with a microcircuit chip above a conductor line or pad on the chip. The line is protected by a layer of passivating or... |
| US-4,341,941 |
Method of operating a plasma generating apparatus Disclosed is a method of operating a plasma generating apparatus including at least one multi-bushed torch unit. The ratio of inside gas flow rate-to-outside gas... |
| US-4,341,940 |
Monitoring resistance welding During each period in which electrical power is supplied to the electrodes one determines whether the weld is subject to flash, by means of an accelerometer on... |
| US-4,341,939 |
Wire electrode for cutting an electrode workpiece by electrical
discharges A metallic wire, for cutting a workpiece by electrical discharge machining, coated with at least one layer of a metal having a low temperature of vaporization... |
| US-4,341,938 |
Method and apparatus for seam-welding steel pipes A method of longitudinally seam-welding steel pipes comprises the steps of providing a conductive net-like enclosure tube around a cable for supplying a direct... |
| US-4,341,937 |
Microwave oven cooking progress indicator Apparatus and methods for determining the progress of a food load cooked within a microwave oven responsive to changes in dielectric or electrical load... |
| US-4,341,936 |
Electromagnetic induction energy converter Fluid placed in contact with each of a plurality of magnetizable cores is heated by application of alternating electrical current to an induction heating coil... |
| US-4,341,935 |
Slide switch A slide is movable by an actuating knob back and forth in a rectangular housing and is attached to a movable metal contact below it by elements integral with the... |
| US-4,341,934 |
Actuator for keyboard switches A resilient metallic actuator and contact, for use with keyboard switches, designed to provide a specific tactile effect to the keyboard operator. The preferred... |
| US-4,341,933 |
Method and apparatus for extinguishing an electric arc in a circuit
breaker A method and apparatus for extinguishing an electric arc in a circuit breaker is disclosed which is applicable to circuit breakers in which a gaseous... |
| US-4,341,932 |
Electric switches An electrical switch comprising a snap-acting actuator (22) movable with a snap action between two configurations to control the making and breaking of... |
| US-4,341,931 |
Switching device comprising at least one contact member mounted
pivotally about axis parallel to the axis of a... The invention concerns an improvement in an electric switching device comprising at least one leaf spring mounted in curved position between the internal surface... |
| US-4,341,930 |
Electrodynamic loudspeaker An electrodynamic loudspeaker having a cone diaphragm within which there is arranged a centrally located body which influences the acoustic radiation. This body... |
| US-4,341,929 |
Memory accessing system Data stored in an electronic memory is accessed by search electronics which permit identification and access to a selected memory location in response to a... |
| US-4,341,928 |
Ringing signal supply A ringing signal supply, provided at a concentrator remote from a switching office, compares a fraction of its output with a low level reference ringing signal... |
| US-4,341,927 |
Data transmission apparatus Signal data is generated by interconnected non-inverting and inverting voltage followers and is transmitted on power-carrying conductors to a remote detection... |
| US-4,341,926 |
Apparatus for the direct connection of ancillary equipment to the
telephone network Apparatus and method for the direct connection of a facsimile transceiver or other ancillary apparatus to the telephone network is disclosed. The connection is... |
| US-4,341,925 |
Random digital encryption secure communication system A new and improved secure communication system is provided. A product code, formed from two pseudorandom sequences of digital bits, is used to encipher or... |
| US-4,341,924 |
Superconductor A superconductive article is described which comprises an electrically normal conductive metal cable having on the outer surface thereof a layer containing... |
| US-4,341,923 |
Coated asbestos insulation transformer wires An electrically insulating coating for transformer wire consists of an asbestos paper coated with a plurality of strips of resin material. The resin material... |
| US-4,341,922 |
Strain-relief brace for cable splice case A strain-relief device for use in a cable splice case for communications cables comprises a horizontal portion having a plurality of tangs projecting therefrom,... |
| US-4,341,921 |
Composite connector having heat shrinkable terminator A composite connector for electrical conductors has a heat-shrinkable terminator for each conductor. Each terminator is secured to the connector body, and a... |
Copyright 2008−2012 Patents.com
