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Patent # Description
US-4,678,902 Fiber optic transducers with improved sensitivity
Fiber optic transducers are constructed from a single optical fiber wherein the geometry of the fiber is altered such as by introducing a bend or curve area in...
US-4,678,901 Optical sensor for monitoring cigarette groups
During the packaging of cigarettes, cigarette groups (10) assigned to a pack are checked to ensure that all the cigarettes are present. For non-contact...
US-4,678,900 Illuminating optical system for endoscopes
An illuminating optical system for endoscopes wherein, in order to make it possible to effect a uniform illumination with a simple structure and without using a...
US-4,678,899 Afocal variable magnification optical system
An afocal variable magnification optical system has a first optical system having at least one variable refracting power element; and a second optical system.
US-4,678,898 Identification card with improved concealed coding and an optical swipe reader housing for use with it
A concealed code of a card or badge arranged along a line parallel to one edge is read by advancing the card or badge along a slot defined between two internal...
US-4,678,897 Processes and devices for reading magnetic access control cards or similar
For reading a coded sequence of magnetic signals recorded on a card, which sequence is formed of bits of identical duration the reading of which results, for the...
US-4,678,896 Point-of sale mechanism
A secured point-of-sale mechanism is disclosed in which there is a closable two compartment housing having an unsecured door portion covering a monetary...
US-4,678,895 System for making payments for transactions
A payment making system comprises an electronic cash register and a payment making terminal device connected to the register and is adapted for use with a bank...
US-4,678,894 Sample identification system
A system is described for keeping track of the identity of a plurality of individual medical samples when the samples are loaded into multiple holders in which...
US-4,678,893 Method and means for determining the ease with which a cow may give birth to a calf
The present invention comprises a method and device for determining the ease with which a cow may give birth to a calf. It includes a slide rule having two...
US-4,678,892 Combination cleaner safety circuit
A safety control circuit for an electric combination cleaner includes an on-delay relay (18) operatively coupled with the motor start relay (16) together with an...
US-4,678,891 Method for adjusting an electrical device by electrode trimming
The frequency of a quartz crystal resonator (10) having a known radius (R) initially is adjusted upward toward a nominal resonant frequency in a "rough adjust"...
US-4,678,890 Hermetically sealed metal film resistor
A heat sensitive electrical component is hermetically sealed within a glass sleeve by focusing a laser beam on the circumferential ends of the glass sleeve which...
US-4,678,889 Method of laser trimming in semiconductor wafer
A method of laser trimming in a semiconductor wafer, and more particularly, a method of laser trimming for disconnecting programmable links by use of a laser...
US-4,678,888 Power circuit apparatus for starting and operating plasma arc
An apparatus for starting and maintaining a plasma arc is disclosed, which comprises a plasma arc torch composed of a rear electrode and a front tubular member,...
US-4,678,887 Method and apparatus for resistance welding
A method and apparatus are disclosed for resistance spot welding including applying a preconditioning pulse at the beginning of a welding process to stabilize...
US-4,678,886 Automatic soldering device
An automatic soldering device is characterized in that the end portion (solder nozzle) 30 of a feeding tube 10 for guiding thread solder 22 is supported near and...
US-4,678,885 Power supply circuit for spark erosion
A circuit arrangement for producing machining pulses in a spark erosion installation from a direct current power source that functions without the use of ballast...
US-4,678,884 Wire discharge machining power source
A wire discharge machining power source controls an average machining voltage value applied between a wire electrode (P) and a workpiece (W) to be zero to...
US-4,678,883 Electromagnetic-induction heater with magnetic field control
An electromagnetic-induction heater having electromagnets which are disposed on both sides of a strip and in face-to-face relationship with each other is...
US-4,678,882 Packaging container for microwave popcorn popping
A container (2) for heating popcorn or other types of particulate food items in a microwave oven formed from a single blank having a bottom panel (4) coated with...
US-4,678,881 Induction apparatus for heating and mixing a fluid
The simultaneous heating and mixing of a fluid in a vessel with heated walls and a stirring device can lead to excessively high temperatures at the walls due to...
US-4,678,880 Keyboard switch
A keyboard switch is provided which comprises a substrate on the upper surface of which a flexible switch is disposed that has paired fixed and movable contacts...
US-4,678,879 Panel mounted apparatus with front operated clamping means
A front mounted rectangular pushbutton switch is clamped within a hole in the panel by screws accessible through a front opening of the switch housing which...
US-4,678,878 Gas pressure circuit breaker
In a gas pressure circuit breaker with two fixed contacts an insulation tube is in the path of the quenching gas flow during circuit breaking. The insulation...
US-4,678,877 Operating mechanism for a circuit-breaker, and a circuit-breaker fitted with the mechanism
A mechanism for operating a circuit-breaker and suitable for causing a circuit-breaker to perform a rapid opening-closing-re-opening cycle, said circuit-breaker...
US-4,678,876 Isolating switch apparatus for a high-voltage switching system which may be insulated with SF.sub.6 gas
An isolating switch apparatus, includes an encapsulation having at least one disconnection point and a plurality of contact points corresponding to a given...
US-4,678,875 Steering column switch for motor vehicles
A steering column switch has two switching members superposed in a housing, which are swivellable about two parallel axes at least substantially diametrically...
US-4,678,874 Anti-burglary device for automobile radios and cassettes
A substantially totally enclosed radio-cassette car radio mountable in an automobile dashboard, by which all operative parts thereof are enclosed within the...
US-4,678,873 Low-voltage circuit breaker having a switching mechanism arranged in a separate chamber
A low-voltage circuit breaker of compact design has a housing of insulating material with several parallel disposed chambers. A switching mechanism designed as a...
US-4,678,872 Button set and switch
A button set and switch particularly useful for an automotive power seat switch are disclosed. The button set is a single one-piece, molded set of buttons each...
US-4,678,871 Reversing switch for rechargeable hand tool
A reversing switch for use in a rechargeable hand tool, the switch being located between the battery and the electric motor and being in direct contact with...
US-4,678,870 Position detecting device
A position detecting device includes a magnetic member composite which is integrally composed of a pair of insulating substrates with a plurality of long...
US-4,678,869 Position responsive apparatus, system and method having electrographic application
A position responsive apparatus, system and method which employs a position responsive surface formed of two orthogonally disposed arrays of grid elements which...
US-4,678,868 Hermetic electrical feedthrough assembly
A hermetic feedthrough consisting of a niobium electrical lead-in wire surrounded by an alumina insulator which is carried by a niobium ferrule, the feedthrough...
US-4,678,867 Electrical device with protective shroud for flexible electrical cable extending therefrom
A protective shroud (22) for a flexible electrical cable (20) at the location where it emerges coaxially from the rear end (14) of an electrical device, such as...
US-4,678,866 Forming of cable splice closures
Forming an encapsulated splice region between cables in which conductors of one cable are electrically connected to conductors of the other cable to form...
US-4,678,865 Low noise electroencephalographic probe wiring system
A low noise EEG probe wiring system that substantially eliminates noise picked up by the loop enclosed by the cables of the wiring system, electrostatic and...
US-4,678,864 Mass terminable flat cable assembly with readily separable ground plane
A flat cable assembly for use with a mass termination connector. The cable assembly includes a main cable having a plurality of conductors held in regularly...
US-4,678,863 Corrosion resistant conductive elastomers
A corrosion resistant resilient electrically conductive gasket is comprised of a metal-containing conductive elastomer which has had any exposed metal coated...
US-4,678,862 Molten salt hydrocarbon conversion process using oxygen containing feed
Methane is converted into higher hydrocarbons by a process wherein a gas comprising methane and molecular oxygen is contacted at elevated temperatures with a...
US-4,678,861 Process for producing a cycloolefin
A process for producing a cycloolefin which comprises partially hydrogenating a monocyclic aromatic hydrocarbon in the presence of a ruthenium catalyst composed...
US-4,678,860 Process of producing liquid hydrocarbon fuels from biomass
A continuous thermochemical indirect liquefaction process to convert various biomass materials into diesel-type transportation fuels which fuels are compatible...
US-4,678,859 Synthesis of fluorochloromethanes
A vapor phase process for selective conversion of fluorodichloromethane and carbon tetrachloride to fluorotrichloromethane, difluorodichloromethane, ...
US-4,678,858 Process for producing ethanol
A process for producing ethanol which comprises reacting methanol, carbon monoxide and water in the presence of a catalyst comprising cobalt or a cobalt compound...
US-4,678,857 Process for separation of product resulting from hydroformylation
A process is disclosed for preparing products such as 4-hydroxybutanal which comprises contacting unsaturated compounds such as allyl alcohol with carbon...
US-4,678,856 Method of manufacturing aromatic urethane and intermediate product thereof
The present invention relates to a method of manufacturing aromatic urethane, an aromatic mononitro-compound, an aromatic primary amine, and carbon monoxide...
US-4,678,855 Substituted benzenesulfonamides
Benzenesulfonamides with a substituted-alkyl-S(O).sub.n -substituent are carbonic anhydrase inhibitors useful in the treatment of elevated intraocular pressure.
US-4,678,854 Cobalt complexes and their use as nutritional supplements
Complex salts of cobalt useful for nutritional supplementation to provide cobalt in a form which effectively increases the bioavailability of cobalt, assuring...
US-4,678,853 1-(3,4-dimethylbenzyl)-2-(N-alkyl)-carbamoyl tetrahydroiso quinolines
Compounds of the Formula (I) ##STR1## wherein R.sub.1 and R.sub.2 are hydroxyl or methoxyl; R.sub.3 is hydrogen or methoxyl; and R.sub.4 is methyl or...
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