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| Number | Title | Issue Date |
| 5317328 | Horn reflector antenna with absorber lined conical feed A conical horn microwave antenna has a reflector positioned at the large end of a conical feed horn which has the side walls of the horn wider than the projected effective area of the reflector such that microwave absorber material lining the feed horn do... | 05/31/1994 |
| 5237190 | Charge-coupled-device color image sensor A charge-coupled-device image sensor includes first, second and third linear array imagers, first, second and third horizontal charge-coupled-devices, first, second and third transfer gates and first and second vertically arranged charge-coupled-devices. ... | 08/17/1993 |
| 5219372 | Door accessory with a hydraulic retarding device A door accessory, such as a door hinge or a door check, includes a hydraulic retarding device for cushioning the closing action of a door. The hydraulic retarding device has a cylinder body which confines a fluid receiving space to receive hydraulic fluid... | 06/15/1993 |
| 5195210 | Hydraulic door hinge A door hinge includes a hydraulic retarding device for cushioning the closing action of a door. The hydraulic retarding device has a cylinder body which confines a fluid operating space to receive hydraulic fluid therein. The fluid operating space include... | 03/23/1993 |
| 5024154 | Transfer roller switching mechanisms of ink and water supply apparatus for use in printing presses In apparatus for supplying ink and or water to a plate cylinder through fountain roller, swinging roller and a transfer roller, the transfer roller is supported by a swinging lever and the motion thereof is allowed or prevented by a spring biased control ... | 06/18/1991 |
| 4976781 | Mineral recovery process Noble metal or diamond values are recovered from ore slurries by contact with pellets of oil, coal and bitumen as a secondary binder. The pellets are of a size above 0.75 mm and contain 2% bitumen and 18% lighter oil fractions. The pellets do not disinteg... | 12/11/1990 |
| 4974137 | High intensity indirect lighting fixture A luminaire for high intensity indirect lighting providing a horizontally symmetrical light distribution with peak candle power at low angles is disclosed. The luminaire includes an inner light directing member nested in spaced relation within a generally... | 11/27/1990 |
| 4892131 | Injection apparatus of die cast machines A stationary board adapted to support a metal die and a frame adapted to support an injection cylinder are formed as an integral hollow structure. A sleeve teemed with molten metal extends through the board coaxially with the injection cylinder, and the m... | 01/09/1990 |
| 4862580 | Multi-purpose modular plug crimp tool This invention discloses a multi-purpose modular plug crimp tool which is provided with at least one set of modular plug receiving groove, conduction piece pressing block, bus pressing block etc., and is thus applicable to perform crimp operations for sev... | 09/05/1989 |
| 4858865 | Wedge leveling mounting device A wedge operated levelling shoe is disclosed for supporting machine tools or the like. A top and bottom plate are separated by an adjustable distance determined by the position of an intermediate wedge. The parts are maintained aligned by slidable keys an... | 08/22/1989 |
| 4855200 | Fluorescent screens of color picture tubes and manufacturing method therefor A high contrast and brightness fluorescent screen of a color picture tube has a light absorbing layer in the form of fine dots or stripes provided for the inner surface of a panel of the tube on which the phosphor layer is formed, and a light reflection l... | 08/08/1989 |
| 4833575 | Brightness equalizing light filter system The present invention provides a brightness equalizing light filter system which can be utilized as the bottom panel or as one of a set of bottom panels in an indirect fluorescent light fixture to evenly illuminate the fixture to approximately the same de... | 05/23/1989 |
| 4833364 | Electron gun for color picture tubes having uniquely formed lens apertures An electron gun for a color picture tube has at least a cathode, a control grid, an accelerating grid, a focus grid and an anode, each of which has three apertures aligned in line. The focus grid and the anode made of elongated plates serves as main lens ... | 05/23/1989 |
| 4805893 | Abnormal-paper sensing apparatus in a printing machine An abnormal-paper sensing apparatus in a printing machine which senses the presence of a front folded corner of a sheet of printing paper. The sheet of paper hits against front lays provided at a front end of an insertion guide plate and stops. The insert... | 02/21/1989 |
| 4791869 | Phase adjusting apparatus for sheet-fed printing press In a phase adjusting apparatus for a sheet-fed printing press for adjusting a relative phase in a rotational direction between a paper sheet feeder and a printing apparatus which are coupled through a chain, a sprocket is in internal contact with a tensio... | 12/20/1988 |
| 4792975 | Digital speech signal processing for pitch change with jump control in accordance with pitch period Digital processing of speech signals for compression/expansion pitch change is provided by writing and reading a ROM at different rates and controlling the discard/repeat segments of memory to be approximately integral multiples of the pitch period with m... | 12/20/1988 |
| 4774470 | Shield tunneling system capable of electromagnetically detecting and displaying conditions of ground therearound In a shield machine, there are provided an electromagnetic wave transmitting and receiving unit mounted on the top of the shield machine for radiating electromagnetic impulse wave toward an underground and for receiving the electromagnetic wave reflected ... | 09/27/1988 |
| 4772827 | Cathode ray tube At least one of the focusing electrodes stages disposed between an acceleration electrodes stage and a rear focusing electrodes stage is constituted by first and second grid electrodes, confronting portions thereof having asymmetrical construction with re... | 09/20/1988 |
| 4772816 | Energy conversion system The apparatus uses a magnetic field (80) to accelerate a charged particle radially towards a target electrode (10). The increased kinetic energy of the particles enables the particle to give up more electrical energy to the target electrode (10) than was ... | 09/20/1988 |
| 4764982 | Secure communication system A secure communication system uses narrow beam laser transmissions from a relay station high above the surface of the earth and another station which may be a submerged submarine. Position reporting by a laser transmission from the other station or submar... | 08/16/1988 |
| 4759567 | Air suspension system A fluid suspension system is provided for a motor vehicle wheel, the wheel being rotatably mounted on an axle. The fluid suspension system comprises a load arm, an air bellows, and a torque arm. The air bellows is mounted between the load arm and the chas... | 07/26/1988 |
| 4754235 | Frequency synthesizer with low power consumption A synthesizer apparatus includes a reference oscillator for generating a reference signal, a voltage controlled oscillator (VCO) whose oscillation frequency is controlled by a control signal, a frequency divider, which is intermittently operated, for freq... | 06/28/1988 |
| 4754262 | Multiplexed alarm system A multiplexing method for an alarm system is disclosed in which a plurality of transponders connected in parallel by a pair of wires each monitors an opening and responds to a synchronizing signal after a preprogrammed time delay corresponding to the part... | 06/28/1988 |
| 4754188 | Color picture tube shadow mask material A color picture tube shadow mask material is made of an alloy consisting of 30 to 45 wt. % of Ni, 0.1 to 5.0 wt. % of V, and the balance essentially Fe. A color picture tube having a shadow mask consisting of this material is also prepared. The alloy has ... | 06/28/1988 |
| 4733124 | Cathode structure for magnetron A cathode structure for a magnetron representative of a self-oscillation type microwave electron tube comprises a pair of opposite end shields for supporting both ends of a filament helically wound in an axial direction, and a getter fixed on at least an ... | 03/22/1988 |
| 4731557 | Liquid cooling type projection picture tube A projection picture tube includes a bulb, a sealing chamber disposed in contact with a front surface of a phosphor screen panel of the bulb and sealed with a liquid coolant, and a holding mechanism for holding the sealing chamber by the bulb. The sealing... | 03/15/1988 |
| 4723091 | Technique for preventing reflections in a cathode ray tube The panel face plate of a cathode ray tube is provided with an irregular film which is formed by spraying a mixed solution of silicon hydroxide, alcohol and alkyl acetate onto the panel face plate.... | 02/02/1988 |
| 4714230 | Convertible suspension mounting system for ceiling fans A convertible suspension mounting system for ceiling fans having a disk-shaped fixing support for being secured on the ceiling surface, a housing body of a bowl shape connected to the fixing support, a connecting device flexibly coupled with the housing b... | 12/22/1987 |
| 4713576 | Color picture tube with shadow mask A color picture tube includes a shadow mask of a precipitation strengthening Fe-Ni alloy. The alloy contains Fe-Ni as a major constituent and has at least one additive element. The alloy has a precipitation strengthening phase of Nix Xy | 12/15/1987 |
| 4700391 | Method and apparatus for pitch controlled voice signal processing Digital processing of speech signals for compression/expansion pitch change is provided by writing and reading a ROM at different rates and controlling the discard/repeat segments of memory to be integral multiples of the pitch period. The rear pointer ju... | 10/13/1987 |
| 4695055 | Illuminated translucent golf ball A dimpled golf ball for use after dark. The ball is made of translucent plastic and contains in a diametrical hole therein a chemiluminescent light stick which when activated renders the ball when used in the dark plainly visible in the air and on the gro... | 09/22/1987 |
| 4684845 | Magnetron cathode assembly with grooved insulating spacer In a magnetron cathode assembly having a filament for emitting thermoelectrons, upper and lower end shields fixed at upper and lower ends of the filament, a center lead fixed at and connected to the upper end shield, a side lead fixed at and connected to ... | 08/04/1987 |
| 4685038 | Foldable lampshade for a hanging lamp A hanging lamp can be folded in a compact size so as to ease packaging and shipment. The hanging lamp includes a foldable lampshade and a switch housing having a plurality of bendable lamp tube attached thereto. A plurality of ribs of the lampshade extend... | 08/04/1987 |
| 4681824 | Method of manufacturing fluorescent screens of color picture tubes A fluorescent screen of a color picture tube is manufactured by the steps of forming a film of substance which becomes sticky when exposed to light on an inner surface of a panel of the tube, exposing predetermined portion of the film through a shadow mas... | 07/21/1987 |
| 4680969 | Ultrasonic probe jig An ultrasonic probe jig includes a leaf spring, a support member, a mounting mechanism, and a regulating member. The leaf spring member is brought into contact with the upper surface of an ultrasonic probe to be located on an object to be examined. The su... | 07/21/1987 |
| 4664518 | Secure communication system A secure communication system uses narrow beam laser transmissions between an orbiting satellite and another station which may be a submerged submarine. Position reporting by a laser transmission from the submarine to the satellite provides for tracking a... | 05/12/1987 |
| 4660068 | Substrate structure of semiconductor device and method of manufacturing the same A substrate structure utilized to fabricate a semiconductor device is constituted by a silicon substrate; an element region selectively formed on the silicon substrate and a relatively thick field oxide region formed adjacent to the element region; an ele... | 04/21/1987 |
| 4653861 | Liquid crystal display device A liquid crystal display device wherein a nematic liquid crystal having a positive dielectric anisotropy and added with a chiral material is sealed between a pair of upper and lower substrates so as to constitute a helical structure twisted within a range... | 03/31/1987 |
| 4652088 | Liquid crystal display device A liquid crystal display device wherein a nematic liquid crystal having a positive dielectric anisotropy and added with a chiral material is sealed between a pair of upper and lower substrates so as to constitute a helical structure twisted within a range... | 03/24/1987 |
| 4651217 | Video projector A video projector has a structure wherein a projection lens is disposed to be fixed at a predetermined distance with respect to a front surface of a faceplate of a projection cathode-ray tube through a medium. The medium has substantially the same refract... | 03/17/1987 |
