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| Number | Title | Issue Date |
| 4758898 | Video signal recording and reproducing apparatus The present invention relates to a color difference signal processing circuit of a video tape recorder (VTR) by a timeplex system. The hue of the picture face is adapted not to change with variation in amplitude and variation in DC level during the reprod... | 07/19/1988 |
| 4687976 | Electromagnetic servo device for electric power steering systems for vehicles An electromagnetic servo device for electric power steering system for vehicles including a driving control circuit (100) adapted to generate a torque magnitude signal (Sa) and a torque direction signal (Sdr, Sdl), based on an output signal (VR, VL) from ... | 08/18/1987 |
| 4551676 | Pulse coder using magnetoresistance elements having an improved z-phase signal pattern A pulse coder comprises a rotating member (1) on which first and second magnetic patterns (221, 222; 221', 222') are formed and a fixed member (3) on which first and second magnetoresistance patterns (MR5, MR6) are formed. When the first and second magnet... | 11/05/1985 |
| 4540783 | 1',2'-Diacyl-(6R,S)-5,6,7,8-tetrahydro-L-biopterin and process for preparing the same A novel compound, 1',2'-diacyl-(6R,S)-5,6,7,8-tetrahydro-L-biopterin which is prepared by catalytical hydrogenation of a 1',2'-diacyl-L-biopterin in a solvent in the presence of a catalyst. The 1',2'-diacyl-L-biopterin is prepared from a 1,1-dialkylsulfon... | 09/10/1985 |
| 4437260 | Domino toppling toy A domino toppling toy is provided which is capable of toppling a plurality of domino pieces in domino trains located at different vertical elevations. The last domino piece in a lower domino train actuates an actuation lever and hence a locking lever. The... | 03/20/1984 |
| 4431308 | Laser angular speed detector employing non-optical output A semiconductor ring laser apparatus is provided which comprises a semiconductor laser element having electrical terminals and optical terminals. An electrical power supply means is coupled to the electrical terminals for applying a voltage thereto and op... | 02/14/1984 |
| 4398386 | Process and apparatus for simultaneously drawing and false-twisting thermoplastic synthetic yarn A process and an apparatus for simultaneously drawing and false-twisting a thermoplastic synthetic yarn, in or by which an undrawn or a partially drawn yarn is drawn under a dry hot condition in a condition of the yarn being false-twisted by twist transmi... | 08/16/1983 |
| 4316887 | Composition for topical application and method for preparing the same An anti-inflammatory, analgesic and anti-pruritic compositions for topical application is made by mixing an aqueous alcoholic solution of methanol or camphor with sufficient water soluble carboxyvinyl polymer to give a viscosity of 2,000 to 20,000 centipo... | 02/23/1982 |
| 4081225 | Steam aperture device A steam aperture device in a mold for use in preparing a foamed article. The steam aperture device comprises an aperture member extending therethrough and a moving member movably inserted in the aperture member. The aperture member forms a truncated conic... | 03/28/1978 |
