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| Patent # | Description |
|---|---|
| US-4,672,187 |
Focusing error detecting device in head assembly for optical disc A focusing error detecting device used in a head assembly for recording information to a recording surface of an optical disc or reading out information already... |
| US-4,672,186 |
Digital document scanning system A system for scanning and digitizing printed documents for subsequent storage, retrieval and manipulation. Documents are continuously transported across the... |
| US-4,672,185 |
Control system for semiconductor substrate process line A control system for a semiconductor substrate process line comprises a process line having processing units for processing a semiconductor wafer in accordance... |
| US-4,672,184 |
Bar code reader system A bar code reader system for scanning light reflective bar coded labels, including a pivotably mounted spring based housing member having a connecting arm, a... |
| US-4,672,183 |
Device for reading and cancelling thin film areolae of material having
uniaxial, magnetic anisotropy and... Device for reading and cancelling thin film areolae of material having uniaxial, magnetic anisotropy and deposited on credit cards or the like, comprising: (i)... |
| US-4,672,182 |
Memory card A memory card has a card medium and a laser memory for storing data. A data processing section for storing encryption and/or decryption key data, an encryption... |
| US-4,672,181 |
Heating apparatus having a weight detector A heating apparatus comprises a housing having a chamber and a door for closing the chamber, and a power supply source to supply heating energy to the chamber. A... |
| US-4,672,180 |
Heating apparatus with piezoelectric device sensor In an exhaust passage (37) of a heating apparatus, a piezoelectric device sensor (26) is provided for detecting the heating condition of a heated object (32),... |
| US-4,672,179 |
Apparatus for cooking rice substantially under atmospheric pressure Disclosed is an electric rice cooker which includes a pot to hold rice and water, an inner case defining a heating space between the inner case and the outer... |
| US-4,672,178 |
Reduced pressure heat storage element and electric heater using the same The present invention relates to a heat storage element having a latent heat storage material sealed in the container under a reduced pressure. This heat storage... |
| US-4,672,177 |
Environmental sensor control of a heated fuser The quality of toner fusing in an electrophotographic or xerographic copier or printer is improved by modifying the reference voltage employed, in conjunction... |
| US-4,672,176 |
Electric warmer In an electric warmer having a temperature sensor and a thermosensitive heater wire arranged in a body thereof, a thermal distance between the temperature sensor... |
| US-4,672,175 |
Arc starter for welder An improved non-contact type arc starter for a welding apparatus is disclosed. A diode (25) is reversed biased when a high output DC voltage is provided by a... |
| US-4,672,174 |
Monitoring stud-welding-phototransistor responds to arc light Apparatus and method are provided for sensing the presence of arc discharge in arc welding such that the change in electric current is sensed at the time of... |
| US-4,672,173 |
Gas-shielded arc welding apparatus A gas-shielded arc welding apparatus automatically welds materials to be welded, such as rails or shape steel. The apparatus includes a gas-shielded chamber and... |
| US-4,672,172 |
Workpiece supporting bed for laser cutter A worksheet supporting bed for a laser cutter comprises a series of thin bands arranged parallel to one another in a common plane to form an even support... |
| US-4,672,171 |
Plasma transfer welded arc torch A plasma arc torch is disclosed having an upper body of a non-conductive material supporting an electrode and a lower body of a conductive material supporting a... |
| US-4,672,170 |
Apparatus for thermochemical treatments of metals by ionic bombardment Apparatus for thermochemical treatment of metals with accurate control of the treatment temperature in a furnace having a structure similar to that of a classic... |
| US-4,672,169 |
Apparatus and method for heating materials with a laser heat source An apparatus and method for heating materials with photoelectric radiant energy include directing photoelectric radiant energy onto a reflective conical member... |
| US-4,672,168 |
Apparatus for perforating sheet material Apparatus is disclosed for forming plural rows of holes in a web of sheet material being advanced longitudinally along a unidirectional path of travel, the... |
| US-4,672,167 |
Method and apparatus for welding metallic parts A method and apparatus is provided for applying an electrical welding current between contacting members upon detecting a predetermined electrical resistance... |
| US-4,672,166 |
Control circuit for the current of a welding transformer The invention is directed to a control circuit for controlling the current of a welding transformer integrated in an industrial robot. For the purpose of... |
| US-4,672,165 |
Welding apparatus A welding apparatus for welding a trailing end of a preceding strip and a leading end of a subsequent strip including a shear device for cutting them in parallel... |
| US-4,672,164 |
Composite metal matrix welding A method for joining individual pieces of material together includes the steps of heating the pieces to be welded together, at least one of which consists of a... |
| US-4,672,163 |
Nozzle for gas shielded arc welding A nozzle for gas shielded arc welding having a support ring to be mounted on a welding torch, a cylindrical nozzle member to be mounted on the support ring and a... |
| US-4,672,162 |
Electric arc apparatus for severing split-pin assemblies of guide tubes
of nuclear reactors In the replacement of old split-pin assemblies of a guide tube of a nuclear reactor by new split-pin assemblies, each old split-pin assembly is severed into... |
| US-4,672,161 |
EDM method and apparatus with trapezoidized short-duration pulses An EDM method and system in which a DC output is pulsed to produce a succession of discrete, time-spaced, essentially unidirectional current pulses of a short... |
| US-4,672,160 |
Door safety switch-lock assembly for an electrical apparatus A heating appliance including an oven housing, an oven door attached to the oven housing which can be operated between a closed and an opened position to provide... |
| US-4,672,159 |
Electrically controllable magnetron power supply In a power-line-operated electronic inverter-type power supply for the magnetron in a microwave oven, the unfiltered pulsed DC output of a full-wave rectifier is... |
| US-4,672,158 |
Multiple contact switch There is disclosed a multiple electrical contact switch which has a comb block whose teeth are inserted into receptacles of a mounting block thereby wedging... |
| US-4,672,157 |
Low voltage circuit breaker with improved breaking A moulded case low voltage circuit breaker for high currents has no arcing contacts and is equipped with arc blow-out means drawing the arc very quickly away... |
| US-4,672,156 |
Vacuum interrupter with bellows shield A relatively small vacuum bottle is taught in which the fixed electrically conductive end of the fixed contact member has cup-like cylindrical walls for forming... |
| US-4,672,155 |
Coordinate reader A coordinate reader comprises first and second conductor loops each having an electrical conductor so that electrical conductors of the respective conductor... |
| US-4,672,154 |
Low power, high resolution digitizing system with cordless pen/mouse A cordless pen emits a directional electric field from the tip of a conductive pen cartridge. The pen tip is capacitively coupled to embedded major X and major Y... |
| US-4,672,153 |
Touch panel A light-transmissive touch panel is disclosed which comprises a substrate, upper and lower electrode sheets, and a transparent double adhesive tape at least... |
| US-4,672,152 |
Multilayer ceramic circuit board A ceramic insulating layer (2) for the multilayer ceramic circuit board (11) consists of 60 wt % of crystallized glass and 40 wt % of a filler such as silicon... |
| US-4,672,151 |
Package for a microwave semiconductor device A package for a microwave semiconductor device or circuit is provided having an electrical terminal suitable to cascade connection. The package includes a... |
| US-4,672,150 |
Conductor supporting apparatus for gas insulated equipment The invention relates to a conductor supporting apparatus for gas insulated equipment in which a high voltage conductor which is arranged in a grounded tank is... |
| US-4,672,149 |
Photoelectric transducer element The present invention relates to a photoelectric transducer element comprising a light-transmissive front electrode, a photo-active layer and a back electrode,... |
| US-4,672,148 |
Thin-film solar cells A thin-film solar cell with improved photoelectric conversion efficiency has an active region for photoelectric conversion including a doped layer formed in a... |
| US-4,672,147 |
Method for isomerizing olefins using acidic composite catalysts This invention provides a method for isomerizing olefins using a catalyst product which is a composite of a perfluorinated polymersulfonic acid and an... |
| US-4,672,146 |
Dehydrogenation catalyst compositions and its use in dehydrogenation A novel catalytic composite is disclosed. Also disclosed is a use for the novel composite and a method for preparing the same. The catalytic composite comprises... |
| US-4,672,145 |
Composition of matter and method of oxidative conversion of organic
compounds therewith A solid composition of matter consisting essentially of: (a) a component comprising: (1) at least one metal selected from the group consisting of Group IA metals and... |
| US-4,672,144 |
Flame conversion of methane to more reactive hydrocarbons Methane is converted to higher, more reactive, hydrocarbon products by a diffusion flame. Methane is converted to C.sub.2 + products by pyrolysis in the interior... |
| US-4,672,143 |
Flame reactor for cracking hydrocarbons A diffusion flame reactor for cracking hydrocarbon gas has an oxygen-deficient zone in the center of the flame or in the center of an array of flames. Propane,... |
| US-4,672,142 |
Process for making 1,2-dichloroethane The disclosure relates to a process for making 1,2-dichloroethane by reacting ethylene and chlorine in a reaction zone having a liquid medium containing... |
| US-4,672,141 |
Polyalkylene ether glycols Poly-2-methyl-1,3-propylene ether glycol has at least two repeating units of --CH.sub.2 --CH(CH.sub.3)--CH.sub.2 --O-- and hydroxyl groups at both ends. It is... |
| US-4,672,140 |
Acyloxyalkenoic acids and process therefor This disclosure concerns acyloxyhexenoic acids and their salts with the acids being produced by reaction of butadiene and acetic acid with metal salt oxidants in... |
| US-4,672,139 |
Benzoylurea compounds Benzoylurea compounds of the formula ##STR1## wherein the meaning of each of the symbols is described in the specification. |
| US-4,672,138 |
Phenyl substituted carbamothioic acid esters Novel benzo[b]thiophenes, compositions containing same, process for the preparation thereof and methods of reducing blood pressure and producing diuresis by... |
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