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Attorney: Spencer, Frank & Schneider


Number of patents: 1675
Last date: December 31, 1996

          11            
NumberTitleIssue Date
5396863Installation and process for the crystallization of an inorganic substance and process and installation for the crystallization of sodium carbonate monohydrate
Installation for the crystallization of an inorganic substance in a crystal slurry, by desupersaturation of a supersaturated solution, the installation comprising a crystallization chamber which has a vertical axis and is divided into a central zone (4) a...
03/14/1995
5394573Upholstered sofa bed
An upholstered sofa bed for mounting on a substantially horizontal surface comprising a frame member including right and left spaced vertical arm frame sections each having side support members, a back frame section interposed between the right and left f...
03/07/1995
5395062Apparatus for removing fiber tufts by suction from a bale opener
A bale opener assembly includes a travelling apparatus detaching fiber tufts from surfaces of fiber bales supported along the travel path; and a fiber tuft removing apparatus for removing the fiber tufts from the travelling apparatus by suction. The fiber...
03/07/1995
5396082Semiconductor substrate and device with a surface layer structure
The semiconductor device has a semiconductor substrate composed essentially of a III-V compound semiconductor containing Ga and As, and a surface layer structure provided on the semiconductor substrate and this layer has a composition different from that ...
03/07/1995
5396080Thin film thickness monitoring with the intensity of reflected light measured at at least two discrete monitoring wavelengths
A method is described for monitoring the thickness and uniformity of a transparent coating applied to a substrate in sheet form. The method comprises directing polychromatic light at the coating at a plurality of locations and measuring the intensity of l...
03/07/1995
5396001Process for the purification of 1,1-difluoroethane
Purification of crude 1,1-difluoroethane (HFA-152a) from vinyl chloride, by bringing into contact with an active carbon....
03/07/1995
5395716Electrophotographic recording material
An improved electrophotographic recording material of the type comprising an electrically conductive substrate having a blocking layer composed of an amorphous material including silicon atoms, hydrogen atoms and carbon atoms disposed on the substrate, an...
03/07/1995
5396609Method of protecting programs and data in a computer against unauthorized access and modification by monitoring address regions
A method of protecting programs and data in computers against unauthorized access and modifications employs a programmable hardware circuit to monitor memory regions of a computer. The memory regions are divided into different access levels, and the circu...
03/07/1995
5394368Semiconductor memory device
A semiconductor memory device having a redundancy circuit having a large flexibility, wherein a plurality of fuse columns are operated by address signals....
02/28/1995
5394374Semiconductor memory with improved transfer gate drivers
A semiconductor memory has a sense amplifier array shared by first and second memory cell arrays, which are selected by first and second selection signals. Interconnections between the sense amplifier array and the first memory cell array are controlled b...
02/28/1995
5393061Video gaming machine
A video slot machine includes a display screen on which the wheels of a slot machine are simulated. The display screen is divided into an array of cells with each cell displaying an individual game element selected randomly from a group of available game ...
02/28/1995
5393627Photoconductor for electrophotography
The photoconductor for electrophotography comprises an electroconductive substrate and a photosensitive layer formed on the substrate. The photosensitive layer may be a monolayer or function-separated laminate type one which comprise a charge generating l...
02/28/1995
5392196Electrical installation device for fastening to a carrier rail
An electrical installation device for fastening in an attachment position on a carrier rail includes an instrument housing made of insulating plastic and having an instrument housing wall and a bottom facing the carrier rail in an attachment position. A s...
02/21/1995
5392039Sigma-delta analog to digital converter
An analog-to-digital converter has an input for receiving analog signals, a quantizer for producing a digital output of the converter, a first combining node for combining the analog input with a first feedback signal derived from the digital output and p...
02/21/1995
5391380Thromboplastin extract, reagent, and preparation thereof
A thromboplastin extract including an aqueous thromboplastin extract of a powdered thromboplastin source including a metal ion chelator. A thromboplastin reagent for use in blood coagulation tests, the thromboplastin reagent includes the extract and calci...
02/21/1995
5391649Aqueous, autoxidatively-drying alkyd composition containing polyunsaturated alkanolamide emulsifier
An alkyd composition which is one of an aqueous emulsion or an aqueous microemulsion and which is autoxidatively drying, including an alkyd which is autoxidatively-drying; and an emulsifier which at least partly consists of an alkoxylate of monoalkanolami...
02/21/1995
5388566Gas fires
A simulated solid fuel effect gas fire comprising two elongate simulated solid fuel elements in the form of logs, with a partially aerated gas burner arranged in front of and below each log with respect to the front of the fire. Thus, in use, the flames f...
02/14/1995
5389890Combiners for R.F. power amplifiers
Directional couplers 71 -720 are used to couple power from r.f. power amplifier modules 51 -520 to a transmission line 6 or other type of resonator, from which it is withdrawn by directional coupler 8. The power...
02/14/1995
5389883Measurement of gas and water content in oil
In order to measure the relative proportions of oil, water and gas passing along a pipe, the pipe is passed through the coils of a number of coil resonators having different resonant frequencies. By measuring changes in the resonant frequencies of the coi...
02/14/1995
5389366Neocarzinostatin derivative composition for oral administration
A composition for oral administration to cancer patients includes a neocarzinostatin derivative and from 0.1 and 100 ml per mg of the neocarzinostatin derivative of at least one fatty acid glyceride which has from 6 to 20 carbon atoms and which is noniodi...
02/14/1995
5388983Injection molding machine for processing synthetic materials
An injection molding machine includes an injection unit defining a horizontal injection axis and a plasticizing cylinder centered and movable along the injection axis. The injection unit is movably mounted in a horizontal shifting direction transversely t...
02/14/1995
5388982Injection molding die mounted on an injection molding machine for molding optical disc base boards
An injection molding die for simultaneously molding a plurality of optical disc base boards. The die has a stationary die assembly portion that includes a first base plate having a first center axis, and a plurality of first cavities each having a respect...
02/14/1995
5387306Manufacturing integrated circuit cards
An integrated circuit card is manufactured by reaction injection moulding around the insert bearing the electronic components, and between high tensile skins which form opposed surfaces of the card. Apparatus is disclosed for the continuous manufacture of...
02/07/1995
5388169Optical waveguide type synaptic weight modulator with nematic liquid crystal cladding
The present invention relates to an optical waveguide type synaptic weight modulator with a nematic liquid crystal cladding layer. The modulator can be used for optronics and optical neural computing. The modulator includes a multichannel waveguide provid...
02/07/1995
5387841Magnetron having an anode with cooling channels
A magnetron comprises a cathode and an anode, the anode comprising a substantially cylindrical anode block having a plurality of internal resonant cavities. A pair of enclosed channels extend about the block, a coolant inlet being present in one of the ch...
02/07/1995
5387817Dielectric isolation substrate having single-crystal silicon islands surrounded by groove and lower conductive layer filling the groove therewith
Upper and lower metallizations are formed on a semiconductor substrate so as to prevent the upper metallization from being inferior wherein the semiconductor substrate includes a plurality of element forming regions, a plurality of isolation insulating re...
02/07/1995
5387729Catalytic compositions, process for obtaining them and process for hydrogenation of 1,1,2-trichloro-1,2,2,-trifluoroethane by means of these compositions
The invention relates to catalytic compositions for the hydrogenation of 1,1,2-trichloro-1,2,2-trifluoroethane to chlorotrifluoroethylene and trifluoroethylene comprising a porous oxygenated support impregnated with a metal of group VIII of the periodic t...
02/07/1995
5386152Power-on reset circuit responsive to a clock signal
A power-on reset circuit includes a differentiator circuit, a sample-hold circuit and a reset signal generating circuit. The differentiator circuit differentiates a clock signal from an oscillator after a power supply is applied to a power supply terminal...
01/31/1995
5383761Apparatus for selectively separating articles from a stack using wheel mounted pushers
An apparatus for separating and sequentially conveying articles from an article stack includes an article accumulator in which the article stack is formed, a wheel, and a plurality of article pushers mounted on the wheel. Each article pusher has an articl...
01/24/1995
5384897Abstractor
A digital 1-bit wide abstractor for generating an exemplary pattern from a digital input information E, the abstractor having an evaluation unit which performs a transfer function p and to whose input the digital input information E is fed. The abstractor...
01/24/1995
5384539Process for monitoring inductive loads for faults on the control line using sampling techniques
A method for monitoring the operating condition of an inductive load including applying a control pulse to a control line coupled to the inductive load, generating a verification pulse indicating the operating condition of the inductive load, applying the...
01/24/1995
5384471Opto-electronic component with narrow aperture angle
The invention relates to an opto-electronic component having a narrow aperture angle. The conventional design of components transmitting radiation or reacting to radiation and concentrating that radiation with the aid of lenses results, on account of the ...
01/24/1995
5383979Process for producing a surface-hardened workpiece from sintered iron
In a process for producing a workpiece from sintered metal, especially from sintered iron, the latter is subjected, after sintering, to a steam treatment at temperatures below 500° C., especially at 430°-480° C., at a steam partial pressure of from 20 ...
01/24/1995
5381889Container for contact lenses and a reservoir for contact lens fluid
A container for contact lenses and for a supply of contact lens fluid has a base body with a receptacle for a removable contact lens etui, a fluid chamber for the contact lens fluid, which partially encloses the receptacle, and a metering connector fasten...
01/17/1995
5383106Regenerative control type switching power source device
Disclosed is a switching power source device for supplying a DC stabilized voltage to industrial or household electronic appliances. The power source device can restrict a change in the switching frequency due to the change in load so that low noise and h...
01/17/1995
5383022Method and apparatus for measuring the dimensions of an object
Laser beams from separate sources are deflected by a rotating mirror and travel over further mirrors and objective lenses into a measuring field for measuring the dimensions of an object 3 in the x and y directions. The result is a simple, compact configu...
01/17/1995
5382952Transponder for proximity identification system
A transponder for use in an object identification system including an interrogator which transmits a continuous interrogation signal and detects a responsive identification signal transmitted by the transponder. The transponder receives and detects the in...
01/17/1995
5382801Method for producing minute particles and apparatus therefor
Minute particles are produced by holding charged nucleating particles in an electric field and supplying source particles to the region where the nucleating particles are held. The source particles adhere to the nucleating particles, thus growing minute p...
01/17/1995
5382792Angle sensor with hermetic sealing and magnetic coupling
An angle sensor is proposed, preferably a no-contact angle sensor, particularly for use in motor vehicles, with the angle sensor including a component (10) that is carried along by the arrangement whose angular displacement is to be monitored, and a measu...
01/17/1995
5382784Hand-held dual technology identification tag reading head
A hand-held dual reading head including a hand-held housing having a light transmissive window at one end thereof; and containing an actuatable bar-code reader, which produces a light beam which exits the housing via the window and detects light from the ...
01/17/1995
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