Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 5345606 | RDS radio receiver with user-definable-region filtering Memory devices containing route-specific features as well as standardized texts are provided in vehicle receivers having a decoder for decoding digitally encoded, received traffic news. By addressing the memory locations, these texts can be called up. In ... | 09/06/1994 |
| 5098071 | Die spring apparatus A compressed gas and a liquid are contained in a cylinder. A liquid chamber containing the liquid and a gas chamber containing the gas are divided by a metallic bellows. The liquid chamber is situated on the side of an open end of the cylinder. A rod is i... | 03/24/1992 |
| 5083391 | Display and dispensing apparatus An apparatus which serves as both an advertising medium, for business cards as an example, and a means to dispense certain articles needed in a business establishment, comprises a multi-sided, substantially upright enclosure which includes walls upon whic... | 01/28/1992 |
| 5070696 | Torque transmission device for variable speed control A torque transmission apparatus has a hydraulic assembly with a variable speed control, and comprises first and second rotors at a power side of the transmission apparatus, the rotors being coaxially rotatable with respect to each other. The first rotor h... | 12/10/1991 |
| 5008191 | Macrolide compounds, their preparation and their use Compounds with acaricidal, insecticidal and anthelmintic activities have the formula: ##STR1## wherein: --X--Y-- is selected from the group consisting of --CH2 --CH2 --, --CH2 --CHOH--, --CH.dbd.CH--, and --CH2 | 04/16/1991 |
| 4992772 | Metal oxide film resistor A two-layered metal oxide film resistor having a ceramic substrate which has on its surface a first thin (0.1-5 μm) metal oxide film that is based on tin oxide and which has a minor proportion of at least one auxiliary component selected from iron, indiu... | 02/12/1991 |
| 4985337 | Image forming method and element, in which the element contains a release layer and a photosensitive o-quinone diaziode layer There is disclosed an image forming method which comprises forming an image portion by exposing and developing an image forming material having a light-sensitive composition, and transferring only the image portion onto an image receiving material with th... | 01/15/1991 |
| 4984855 | Ultra-black film and method of manufacturing the same An ultra-black film is disclosed, which essentially consists of a base, a Ni-P alloy layer formed on said base and a phosphate layer formed on said Ni-P layer, the spectral reflectance of said ultra-black film being 0.04 to 0.4%. The ultra-black film is o... | 01/15/1991 |
| 4963370 | Process for producing proteinous material A process for producing a proteinous material which comprises coarsely grinding fish bodies including bones and/or shells, from which the internals had been removed optionally together with heads and/or skins, defatting said coarsely ground fish bodies if... | 10/16/1990 |
| 4936926 | Method for manufacturing steel article having high toughness and high strength A method for manufacturing a steel article having a high toughness and a high strength, which comprises the steps of: using a material comprising: carbon: from 0.020 to 0.049 wt. %, silicon: from 0.10 to 1.00 wt. %, manganese: from 1.00 to 3.50 wt. %, chromium: fro... | 06/26/1990 |
| 4936908 | Method for smelting and reducing iron ores A method for smelting and reducing iron ores comprises the steps of: the step of preheating and prereducing iron ores; the step of charging the preheated and prereduced iron ores into a smelting reduction furnace; the step of charging carbonaceous materia... | 06/26/1990 |
| 4895814 | Process for producing alumina silica sintered ceramics having improved high-temperature strength An alumina silica sintered ceramic that is produced by the normal sintering method and which has bending strength of at least 300 MPa at room temperature and at least 400 MPa at an elevated temperature, for example, 1,300° C. is disclosed. This sintered ... | 01/23/1990 |
| 4894385 | Imidazole derivatives as inhibitors of TXA2 synthesis Compounds of formula (I): ##STR1## (wherein n is 0, 1 or 2 and R1, R2, R4, R5, R6, X, Y and Z are a variety of groups and atoms) have the ability to inhibit the synthesis of thromboxane A2 | 01/16/1990 |
| 4850711 | Film thickness-measuring apparatus using linearly polarized light A linearly polarized light beam is applied to the surface of a film and is reflected therefrom. The beam is then split into three light beams by three or four optical flats. These light beams are applied to photoelectric conversion devices after passing t... | 07/25/1989 |
| 4829382 | Automatic aperture control of a television camera R, G and B outputs from the corresponding preamplifiers of a television camera are supplied to a non-additive mixer (NAM) circuit for continuous selection of the greatest of the three outputs and the selected output is continuously supplied to a set of 9 ... | 05/09/1989 |
| 4819173 | System for preventing excessive repetition of interrupt programs in a microcomputer In an automotive engine control microcomputer the frequency of interrupt programs initiated by a pulse from an engine speed tachogenerator is prevented from being excessive as a result of loose connections or other malfunctions or distrubances by blocking... | 04/04/1989 |
| 4797936 | Waveform sequence trigger system A digital signal processing apparatus has: an A/D converter for A/D converting an input signal to be processed to a digital signal, an analog comparator for comparing the input signal with a predetermined threshold voltage and generating a comparison sign... | 01/10/1989 |
| 4795696 | Light-sensitive silver halide photographic material Disclosed is a light-sensitive silver halide photographic material, comprising a plural number of photographic constituent layers on a support, wherein at least one of the layers is a silver halide emulsion layer containing a magenta coupler represented b... | 01/03/1989 |
| 4770552 | Printing apparatus for accentuating the outline portion of a printed character A printing device comprising a character generator storing items of character data, each constituted by a plurality of printing dot data, a first memory for storing the character data read out from the character generator, a printer, and a control unit fo... | 09/13/1988 |
| 4755551 | Electrodeposition resinous paint composition An electrodeposition resinous paint composition comprising (a) a modified alkyd resin, (b) a melamine resin, (c) a water-soluble silicone resin and (d) an inorganic filler, in which these components (a), (b), (c) and (d) are contained in the following rat... | 07/05/1988 |
| 4717494 | Liquid thermal accumulator composition and thermal accumulation process A liquid thermal accumulator composition comprising a dicarboxylic acid anhydride, an alcohol and a monoester of the dicarboxylic acid and the alcohol. A process for accumulation of thermal energy utilizing said composition is also disclosed.... | 01/05/1988 |
| 4705618 | Process for the preparation of an intermediate pitch for manufacturing carbon products Until now, it has not yet been succeeded to prepare high performance carbon fibers having satisfactory strength from heavy oils of coal or petroleum origin. We now succeeded to prepare an excellent intermediate pitch which allows the preparation of high p... | 11/10/1987 |
| 4704736 | Method and apparatus for reducing interference in broadcast receiver For elimination of pulse type interference in an FM receiver by intermittent blanking of the received signal while interfering pulses are present and substitution of a synthetic signal during the blanking intervals, the synthetic signal substituted during... | 11/03/1987 |
| 4611471 | Ice making apparatus particularly for an ice rink An apparatus for forming an ice layer over a wide area such as a skating rink is disclosed. A freezing medium including a liquefied gas such as freon or ammonia or an anti-freeze liquid such as brine or ethylene glycol is circulated through a freezing pip... | 09/16/1986 |
| 4595950 | Method and apparatus for marking the information content of an information carrying signal An information signal (INF) which is transmitted in coded form (CINF) from a signal source (RC) to a signal receiver (4, 5) is decoded at the receiver and at the same time marked (MINF) by the introduction of an identification information (ID) which is ch... | 06/17/1986 |
| 4590985 | Apparatus for horizontally and intermittently withdrawing cast steel strand from horizontal mold of horizontal type continuous casting machine An apparatus for horizontally and intermittently withdrawing a cast steel strand from a horizontal mold of a horizontal type continuous casting machine, which comprises: at least one pair of pinch rolls (2A, 2B; 3A, 3B) for horizontally and intermittently... | 05/27/1986 |
| 4590838 | Electronic musical instrument An electronic musical instrument employs a novel technique to produce a musical sound. A major part of a musical sound producing section of the electronic musical instrument is constructed by digital circuitry which is well adapted for an LSI fabrication.... | 05/27/1986 |
| 4586416 | Rhythm generating apparatus of an electronic musical instrument Rhythm sound data which represents a rhythm sound such as a percussion sound, is synthesized with envelope data by a gate circuit which functions as a multiplier. The synthesized data is supplied to a D/A converter and converted to an analog signal. A per... | 05/06/1986 |
| 4563997 | Control system and method for comprex supercharger A "comprex" supercharger, which has a rotor formed along its whole periphery with a plurality of axial cells wherein air introduced into the cells for supply to an internal combustion engine is compressed by engine exhaust gas introduced into the cells, i... | 01/14/1986 |
| 4554880 | Electronic sewing machine A control circuit of an electronically controlled sewing machine is arranged so that, in response to a signal generated from an electronic memory element connected to pattern selection switches and a memory switch, and during stitching operation of a lett... | 11/26/1985 |
| 4528833 | Method for removal of curling of circuit printable flexible substrate A method for removal of curling of a circuit printable flexible substrate comprising a metal foil and a film layer of an aromatic polyamideimide or an aromatic polyimide formed by coating on the said metal foil a solution of an aromatic polyamideimide, an... | 07/16/1985 |
| 4483426 | Coiled damper element A damper element comprises a lead sheet and vibration-proof sheet spirally and alternately wound to provide a spiral, circular configuration with these sheets bonded to each other. This arrangement permits a shearing energy acting upon one and the other s... | 11/20/1984 |
| 4467272 | Circuit for measuring inductance changes A Schmitt trigger circuit is caused to oscillate by a time-constant circuit including a reference inductor. The changing inductance of a variable inductor, for example, an inductive transducer for measuring mechanical movements, is switched into the same ... | 08/21/1984 |
| 4231368 | Device for intramuscular injections, especially of insulin A pistol-like casing provides for mounting a tubular holder containing a syringe in the gun barrel portion of the casing so it may be cocked in the withdrawn position against the force of a spring and released by movement of an arresting pawl. Pulling bac... | 11/04/1980 |
