Patents Represented by Law Firm Oblon, Fisher, Spivak, McClelland and Maier
  • Machine tool
    Patent number: 4430717
    Abstract: In a numerically-controlled machine tool having a tool magazine accommodating tools in the pots, display means capable of rewriting tool numbers in correspondence to the pots is provided, and the positions where the tool numbers are stored are successively shifted in a memory in response to instruction signals applied from the machine tool side in response to the selection or exchange of the tools, so that the display of the tool numbers of the tools in the magazine is changed in synchronization with the tool displacement.
    Type: Grant
    Filed: August 6, 1981
    Date of Patent: February 7, 1984
    Assignee: Okuma Howa Kikai Kabushiki Kaisha
    Inventors: Masaki Senda, Takashi Mizoguchi
  • Dielectric ceramic compositions, capacitors in which compositions of this type are employed, and a method of production of said compositions
    Patent number: 4430689
    Abstract: Dielectric ceramic compositions of the ferroelectric type, especially for the fabrication of multilayer ceramic capacitors having improved properties, contain 90% to 98.5% by weight of barium titanate and 1.5% to 10% by weight of lithium fluoride, in which the barium titanate corresponds to the following formula:BaTiO.sub.3 with a molar ratio TiO.sub.2 /BaO which is lower than 1.
    Type: Grant
    Filed: March 15, 1982
    Date of Patent: February 7, 1984
    Assignee: L.C.C.-C.I.C.E. Compagnie Europeenne de Composants Electroniques
    Inventors: Alain Lagrange, Alain Beauger
  • Container inspection system
    Patent number: 4430568
    Abstract: A package inspection system is used for automatic inspection of a different content or identification of a content in a package such as a container especially a large container in unloading from a ship without opening or unpacking the container and comprises an X-ray transmitter, an X-ray receiver, and a processing unit for image processing.
    Type: Grant
    Filed: September 21, 1981
    Date of Patent: February 7, 1984
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Osami Yoshida, Hidekazu Tsuji, Yoshitada Nomura
  • Long-wavelength semiconductor laser
    Patent number: 4430740
    Abstract: A semiconductor laser wherein a wide range of laser emission wavelengths can be obtained by varying the composition of monocrystalline alloys employed as semiconductor material. The semiconductor structure comprises on a monocrystalline indium phosphide substrate of a predetermined conductivity type successive epitaxial layers consisting of a first confinement layer of the same conductivity type, an active layer having the formula (Ga.sub.x Al.sub.1-x).sub.0.47 In.sub.0.53 As where x is within the range of 0 to 0.27, and a second confinement layer of opposite conductivity type. The confinement layers are composed of either InP or a ternary alloy Al.sub.0.47 In.sub.0.53 As or a quaternary alloy Ga.sub.x' Al.sub.1-x' As.sub.y' Sb.sub.1-y' where x' and y' are chosen so that the material should have a predetermined crystal lattice and an energy gap of greater width than the substrate material.
    Type: Grant
    Filed: December 2, 1981
    Date of Patent: February 7, 1984
    Assignee: Thomson-CSF
    Inventors: Trong L. Nuyen, Baudouin de Cremoux
  • Display process using a thermo-optical effect with a memory in a thin disc-like liquid crystal layer and disc-like liquid crystals having such an effect
    Patent number: 4430650
    Abstract: A process wherein certain disc-like liquid crystals, which locally undergo heating and then rapid cooling on either side of the transition temperature between two mesophases permit the liquid crystal to become diffuse with an adequate contrast to be used for display purposes. The following liquid crystals can be utilized, i.e.
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: February 7, 1984
    Assignee: Thomson-CSF
    Inventors: Jean Billard, Jean-Claude Dubois, Michel Hareng, Serge Le Berre, Jean-Noel Perbet
  • Prostaglandins
    Patent number: 4430345
    Abstract: Novel bicyclo [2,2,1] heptanes and hept-2Z-enes are substituted at the 5-position by a 6-carboxyhex-2-enyl group or a modification thereof, and at the 6-position by an aldoxime or ketoxime group which is O-substituted by an aliphatic hydrocarbon residue, an aromatic residue, or an aliphatic hydrocarbon residue substituted directly or through an oxygen or sulphur atom by an aromatic residue. Such compounds may be prepared by the action of an oximating agent on an intermediate which is substituted at the 6-position by an aldehydic or ketonic carbonyl group. The compounds are of value for use in pharmaceutical compositions particularly in the context of the inhibition of thromboxane activity.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: February 7, 1984
    Assignee: National Research Development Corporation
    Inventors: Robert L. Jones, Norman H. Wilson
  • Oxygen recycle type ozonizing apparatus
    Patent number: 4430306
    Abstract: An ozonized oxygen fed from an ozonizer is passed to a reaction tower to treat an object material. In recovering non-reacted oxygen from the reaction tower to reuse in the ozonizer, zeolite is used as an adsorbent to remove impurities contained in the recovered oxygen, such as water, volatile organic materials and CO.sub.2 gas so that a raw material oxygen without containing any impurity is fed to the ozonizer to increase the ozonizing efficiency.
    Type: Grant
    Filed: December 2, 1981
    Date of Patent: February 7, 1984
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Keisuke Namba, Masaaki Tanaka, Takanori Ueno, Norikazu Tabata
  • Stoving enamel containing blocked isocyanates
    Patent number: 4430474
    Abstract: A stoving enamel comprising (a) 30-70% by weight of a mixture of a polymer containing hydroxyl groups having a hydroxyl number between 40 and 240 mg KOH/g with an isocyanurate-free derivative of isophorone diisocyanate containing uretidinedione groups and blocked isocyanate groups, (b) 0-3% by weight of a cross-linking catalyst, (c) 30-60% by weight of an organic solvent, (d) 0-65% by weight of a filler or pigment, (e) 0-5% by weight of a dye, and (f) optionally 0.1-3% by weight of leveling agents, gloss improvers, antioxidants, and/or stabilizers, has improved storage stability, reduced curing time and reduced liberation of blocking agent during cure.
    Type: Grant
    Filed: August 13, 1981
    Date of Patent: February 7, 1984
    Assignee: Chemische Werke Huels AG
    Inventors: Horst Schnurbusch, Rainer Gras, Elmar Wolf, Josef Disteldorf, Werner Hubel
  • Process for purifying cephalosporin compounds
    Patent number: 4430500
    Abstract: A cephalosporin compound of the formula: ##STR1## wherein X is hydrogen, halogen, hydroxy, alkyloxy, aralkyloxy, aryloxy, mercapto, alkylthio, aralkylthio, arylthio, alkylsulfonyl, aralkylsulfonyl, arylsulfonyl, alkylsulfinyl, aralkylsulfinyl, arylsulfinyl, amino, mono-or di-alkylamino, mono- or di-aralkylamino, mono- or di-arylamino, acylamino, a sulfonic acid group, nitro, alkyl, aralkyl, aryl or a heterocyclic group; R is hydrogen, alkyl, aralkyl, aryl or a heterocyclic group, with all of the alkyl, aralkyl, aryl and heterocyclic ring groups in radicals X and R optionally being substituted with at least one substituent, is purified by (a) adjusting the pH of an aqueous solution containing said cephalosporin compound to be purified to within the range of 1.0 to 3.
    Type: Grant
    Filed: June 15, 1982
    Date of Patent: February 7, 1984
    Assignee: Ajinomoto Co., Inc.
    Inventors: Hideomi Saito, Tomoya Yamamoto, Masayuki Nomura, Tomoyoshi Hachiya
  • Monolithic amplifier comprising a power division and recombination system grouping a plurality of transistors
    Patent number: 4430623
    Abstract: A device combining a certain number of elementary amplifiers formed on the same semiconductor wafer having a very high frequency (about 10 GHz), thus obtaining a monolithic amplifier with a high power and a wide pass band. This amplifier comprises at the input a first transmission line of the microstrip type, bent in such a way that it has an input branch and a tap branch where the waves reflected as a result of mismatches are absorbed in a resistive load. The bent region of line is connected to a row of elements of the impedance transformation lines passing to the gates (case of field effect transistors). It comprises at the output a second microstrip line parallel to the first and bias connected to a row of elements identical to those of the amplifier input.
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: February 7, 1984
    Assignee: Thomson-CSF
    Inventors: Alain Bert, Didier Kaminsky
  • Electron beam exposing apparatus
    Patent number: 4430570
    Abstract: A variable shaping type electron beam exposing apparatus is provided which comprises an electron gun which irradiates an electron beam from the front end of a cathode chip; shaping plates having openings of variable shapes for shaping the electron beam irradiated from the electron gun into the shapes of these openings; and an objective lens for focusing the electron beam passed through the shaping plates into a predetermined shape on a sample. In this apparatus, the cathode chip is made of single-crystal lanthanum hexaboride whose axial orientation is <310>, the front end of it is formed into a circular conical shape, and half the vertical angle of the front end is set to be between 60.degree. and 85.degree.. The maximum area of the image on the sample is between 2 to 50 .mu.m.sup.2.
    Type: Grant
    Filed: December 4, 1980
    Date of Patent: February 7, 1984
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Tadahiro Takigawa, Isao Sasaki
  • Cleaning device for a plasma etching system
    Patent number: 4430547
    Abstract: A cleaning apparatus for a plasma etching system for etching a sample which includes a chamber having an inlet and an outlet, a sample table positioned in the chamber and which further includes a first electrode, a counter electrode positioned in the chamber opposite the first electrode and a plurality of heating mechanisms positioned in the inlet and outlet of the chamber, in the counter electrode and in the sample table for desorbing a reaction product adsorbed on surfaces of the inlet and outlet of the chamber, the counter electrode and the sample table prior to plasma etching of the sample.
    Type: Grant
    Filed: October 6, 1981
    Date of Patent: February 7, 1984
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Masahiro Yoneda, Shiro Hine, Hiroshi Koyama
  • Disconnecting valve rocker mechanism
    Patent number: 4429853
    Abstract: The invention concerns a rocker mechanism designed to put out of use at least one cylinder, or a group or row of cylinders, of an internal combustion engine by acting on the inlet valve. The mechanism includes at least one rocker comprised of two components meshed with one another, one of those components controlling the inlet valve of the cylinder while the other is controlled by the cam shaft of the engine, and associated with control means allowing for the disconnection of the rocker components from one another. Application is to energy savings.
    Type: Grant
    Filed: April 28, 1981
    Date of Patent: February 7, 1984
    Assignee: Regie Nationale des Usines Renault
    Inventors: Pierre Chaffiotte, Christian Guicherd, Alain Saindon
  • Copper alloys for electric and electronic devices and method for producing same
    Patent number: 4430298
    Abstract: A copper alloy for electric and electronic devices, comprising: 3.0-3.5 wt % of Ni, 0.5-0.9 wt % of Si, 0.02-1.0 wt % of Mn, 0.1-5.0 wt % of Zn and the balance Cu and the inevitable impurities.
    Type: Grant
    Filed: June 6, 1983
    Date of Patent: February 7, 1984
    Assignee: Kabushiki Kaisha Kobe Seiko Sho
    Inventors: Motohisa Miyafuji, Takashi Matsui, Hidekazu Harada, Masumitsu Soeda, Shin Ishikawa, Hiroshi Murakado, Hiroaki Kawamoto, Takeo Tabuchi, Kunio Kamada, Yasuhiro Nakashima
  • Method for refinement of impure aluminum
    Patent number: 4430174
    Abstract: Refinement of impure aluminum is accomplished by a method which comprises placing the impure aluminum in a molten form as an anode on one side of a porous article impregnated with a fused-salt electrolytic bath, disposing a cathode on the other side of the porous article, and passing direct current between the cathode and the anode.
    Type: Grant
    Filed: November 30, 1982
    Date of Patent: February 7, 1984
    Assignees: Mitsui Aluminium Co., Ltd., Yoshishige Tsumura
    Inventor: Yoshishige Tsumura
  • Device for measuring the imbalance of an object
    Patent number: 4428225
    Abstract: A device for measuring the imbalance of a disc-like object has at least three load sensors having cantilevers for supporting the object at their corresponding measuring points selected, with a same angular distance therebetween, on a measuring circle which is concentric with a circular through-hole of the object. Each of the caltilevers is extended tangential to the measuring circle and directed perpendicular to the line of sight in the same sense when viewed from the center of the through-hole. A positioning device positions the center of the through-hole in the object relative to the load sensors, and a calculator device for calculating the imbalance of the object using the data supplied from the plural load sensors.
    Type: Grant
    Filed: February 25, 1982
    Date of Patent: January 31, 1984
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Shunichi Kato, Tetsuo Aikawa
  • Method of producing polyphenylene oxides using morpholinium bromide as activator
    Patent number: 4429106
    Abstract: A high molecular-weight polyphenylene oxide is produced by the oxidative coupling of a diortho-substituted phenol in the presence of a copper amine complex and an activator of morpholinium bromide and an alkali metal hydroxide or alkaline earth hydroxide.
    Type: Grant
    Filed: May 23, 1983
    Date of Patent: January 31, 1984
    Assignee: Chemische Werke Huels AG
    Inventors: Klaus Burzin, Martin Bartmann, Hanns-Jorg Bax, Wilfried Ribbing
  • High density magnetic recording medium
    Patent number: 4429010
    Abstract: A magnetic recording medium obtained by kneading ferromagnetic particles with a binder composition and coating on a non-magnetic substrate, which is characterized by that the binder composition comprises a copolymer comprising 80-89% of vinyl chloride, 5-10% of vinyl acetate and 6-10% of vinyl alcohol and a polyurethane elastomer.
    Type: Grant
    Filed: March 24, 1982
    Date of Patent: January 31, 1984
    Assignee: TDK Electronics Co., Ltd.
    Inventor: Fujio Shibata
  • Planar heat generator
    Patent number: 4429215
    Abstract: A planar heat generator comprising a linear heat generator provided with an insulating cover, a pair of insulating intermediate layers provided on opposite sides of the heat generator and heat sealed to each other via the heat generator, and a pair of outer insulating sheets provided on the outer sides of the respective intermediate layer and heat sealed to each other via the intermediate layers, the intermediate layers and outer insulating sheets being made of the same material, the insulating cover of the linear heat generator being made of a material having a slightly higher thermal deformation temperature than the intermediate layers and outer insulating sheets and flattened in a state covering the heat generator through plastic deformation caused by application of pressure and heat at the time of the heat seal.
    Type: Grant
    Filed: March 24, 1982
    Date of Patent: January 31, 1984
    Assignee: Totoku Electric Co., Ltd.
    Inventors: Yoshio Sakai, Takeshi Yamada
  • Preparation of rose oxide predominantly containing the Z isomer
    Patent number: 4429144
    Abstract: A mixture of Z- and E-2-[2-methylprop-1-en-1-yl]-4-methyltetrahydropyran isomers, of the formulae Z-I and E-I ##STR1## containing not less than 85% of Z-I and not more than 15% of E-I, is prepared by a process wherein 2-[2-methylprop-1-en-1-yl]-4-methylenetetrahydropyran of the formula II ##STR2## is hydrogenated over a platinum dioxide or platinum/charcoal catalyst in the presence of a strongly acidic cation exchanger. The product is a useful fragrance material which also occurs naturally and is known as rose oxide.
    Type: Grant
    Filed: December 9, 1982
    Date of Patent: January 31, 1984
    Assignee: BASF Aktiengesellschaft
    Inventor: Werner Hoffman