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| Number | Title | Issue Date |
| 7471344 | Display apparatus periodically modulating image-signal characteristics An image display apparatus has a control circuit that periodically varies a characteristic, such as an amplitude characteristic or timing characteristic, of the displayed image signal. Periodic variations may be produced by passing the image signal through a variabl... | 12/30/2008 |
| 7365902 | Optical amplifier and optical communication system An optical amplifier includes a plurality of pump light sources, an intensity modulator that modulates intensity of a pump light to be output from any one of the pump light sources, at a predetermined frequency; a photoelectric converter that converts a part of the ... | 04/29/2008 |
| 7227953 | MPEG data recorder having IEEE 1394 interface A copy-protected-state indicating MPEG-TS data output unit (3) holds a bit stream obtained by previously compressing and encoding image and/or audio data representing that recording desired by the user has ended in failure because the contents is copy-protect... | 06/05/2007 |
| 6826610 | Method of improving communication using replicated server program The present invention endorses the communication of the client and server type application program to have a good response time even if using the communication media having low transferring rate and high latency, even if the relay communication points are increased,... | 11/30/2004 |
| 6781492 | Superconducting magnetic apparatus A superconducting magnet apparatus. By forming one or more holes in each of platelike ferromagnetic substances forming a magnetic shield for focusing the magnetic flux generated by superconducting coils, the flow of lines of magnetic flux is adjusted. Thereby, a sta... | 08/24/2004 |
| 6605830 | Power semiconductor device including an IGBT with a MOS transistor as a current suppressing device incorporated therein A power semiconductor device including first and second assembly units. The first assembly of units includes a first semiconductor region of a second conductivity type selectively formed in a first main surface of the first semiconductor layer, a second s... | 08/12/2003 |
| 6441333 | Green compact electrode for discharge surface treatment and method of manufacturing green compact electrode for discharge surface treatment A green compact electrode for discharge surface treatment used for discharge surface treatment for generating discharge between a work and a green compact electrode obtained by pressuring and compacting a metal powder or a powder of a compound metal, and ... | 08/27/2002 |
| 6400530 | Complex magnetic head and manufacturing method of complex magnetic head core A method for manufacturing a magnetic head core of a complex magnetic head includes binding a first core material of a U-shaped cross section and a second core material of a flat plate shape to form a tubular core material having two bonded portions betwe... | 06/04/2002 |
| 6377890 | Navigator Route guiding information is displayed on the basis of set information and positional data when set information and positional data are set by a keyboard or are transmitted from a sensor BOX 12.... | 04/23/2002 |
| 6259989 | Navigation device The present invention is a navigation device comprising a map data base which stores map data relating to each target geographical point and a display data base which distinguishes between named intersections and general roads and expressways at the geogr... | 07/10/2001 |
| 5863503 | Nitrogen oxide detecting sensor and method of manufacturing the same A nitrogen oxide detecting sensor, according to the present invention, incorporates a gas detecting portion including, as a main component thereof, an oxide compound having electric conductivity or semiconductivity, the oxide compound having a crystal str... | 01/26/1999 |
| 5404418 | Closed-loop feedback control system having an adaptive filter A closed-loop feedback control system is disclosed for controlling an operation of a load. An actual operation signal is subtracted from a reference operation signal to produce a resultant signal which is used to control the operation of the load. A filte... | 04/04/1995 |
| 5386421 | Image memory diagnostic system In the conventional image memory diagnosis, diagnosis data is written in the image memory for a comparison between the data read out of the image memory and the diagnosis data. All the address and control signals for the image memory are output by the sys... | 01/31/1995 |
| 5373826 | Ignition apparatus for an internal combustion engine having a current limiting function An ignition apparatus for an internal combustion engine having a current limiting function is simple in construction and can avoid variations In the current limiting values for respective power transistors 103. A current limiting circuit 109 includes a co... | 12/20/1994 |
| 5336954 | Drain unit of starter A drain unit of a starter is a cover of resin material which covers a drain hole of the under surface of said starter. The cover is provided with a plurality of upward projections which are inserted and fixed to the drain hole by the spring function of a ... | 08/09/1994 |
| 5306998 | Protection control circuit for a variable speed hoisting device A protection control circuit for a variable speed hoisting device driven by an induction motor includes, in addition to the inverter unit 1 for supplying power to the induction motor 2 and relays, a rotary encoder 16 and an abnormality detector 15. When t... | 04/26/1994 |
| 5301546 | Misfire detecting device for internal combustion engine In a misfire detecting device for an internal combustion engine, a crank angle detector detects the crank angle of the engine, a speed detector detects the speed of the engine from the crank angle thus detected, a load detector detects the load of the eng... | 04/12/1994 |
| 5293500 | Parallel processing method and apparatus A parallel processor is provided with a plurality of independently operable command units and a plurality of function units each connected to the command unit. A data unit, a register file, and a carry bit are shared such that the command and function uni... | 03/08/1994 |
| 5285378 | Apparatus for and method of automatically tuning and setting control parameters for a numerical control unit An apparatus for and method of automatically tuning control parameters of a servo or spindle drive system controlled by a numerical control unit is disclosed. The numerical control unit employs an automatic tuning device that automatically selects a tunin... | 02/08/1994 |
| 5285354 | Base unit for controller A controller base unit for a DIN-standard installation wherein a molded base is provided with an internal chassis for support and a contour that permits the direct and releasable attachment of the unit to a DIN rail via a plurality of hooks that are simul... | 02/08/1994 |
| 5281940 | Solenoid coil bobbin for electromagnetic switch A solenoid coil bobbin of the present invention for an electromagnetic switch which has a lead wire part of a coil being provided with projections an outer circumference walls adjacent to a pair grooves to be included the lead wire in the opening therebet... | 01/25/1994 |
| 5281791 | Pulsed arc welding apparatus A pulsed arc welding for carrying out arc welding or short-circuit transfer type arc welding by utilizing the pulsed discharge generated at the tip of a wire electrode. The propensity of wire electrode curvature causes irregular changes in the contact poi... | 01/25/1994 |
| 5280569 | Three dimensional model describing method A three-dimensional model displaying method of displaying on a display screen a three-dimensional model expressed in a computer in the field of CAD or CAM. The quadrangular patches of the upper interface of a three-dimensional model is approximated with r... | 01/18/1994 |
| 5279145 | Heater control device for an air-fuel ratio sensor A heater control device for an air-fuel ratio sensor which comprises: an air-fuel ratio sensor comprising a sensor element which detects an air-fuel ratio state of exhaust gas of an engine, and a heater which heats the sensor elements; a heater current fl... | 01/18/1994 |
| 5280259 | Superconductive magnet device with transparent pipes for accommodating field correction shims A superconductive magnet device includes a superconductive magnet body and non-magnetic pipes made of a transparent non-magnetic material. Preferably, the magnetic shims for compensating for the inhomogeneous magnetic field components generated by the sup... | 01/18/1994 |
| 5278497 | Magnetic sensor having a magnet-sensitive plane of an MR element arranged perpendicular to both a substrate plane and a magnet A magnetic sensor which includes a circuit substrate, a ferromagnetic resistant element (MR element) mounted on the substrate in such a manner that a magnet-sensitive plane of the MR element directs perpendicular to the substrate plane of the substrate, a... | 01/11/1994 |
| 5277075 | Starting motor with an intermediate gear A starting motor with an intermediate gear wherein rotation of a rotating shaft of a DC motor is transmitted to a pinion in a one-way rotational direction by an overrunning clutch, and an intermediate gear supported rotatably and forward-and-backward slid... | 01/11/1994 |
| 5276722 | Absolute multi-revolution encoder A precision, high-resolution, absolute, multi-revolution encoder which allows a multi-revolution position value of a shaft to be detected with high reliability, using only a single revolution detector, and makes multi-revolution detection indirectly relat... | 01/04/1994 |
| 5276302 | EDM apparatus current efficiency control technique A method for controlling an electric discharge machining apparatus of the type in which a workpiece is machined by generating an electric discharge across a machining gap between a confronting electrode and the workpiece through a machining solution while... | 01/04/1994 |
| 5274562 | Numerical control unit for facilitating tool change A "safe" position for a tool changing operation in a numerically controlled machine tool is determined based on specific tool size and machining location. In one embodiment, tool change positions are taught in a teaching operation, and are stored for futu... | 12/28/1993 |
| 5272914 | Ignition system for internal combustion engines An ignition system for internal combustion engines has an ignition coil having a primary winding and a secondary winding. The secondary winding supplies a high voltage for ignition to an ignition plug when the ignition coil is energized at the primary win... | 12/28/1993 |
| 5274574 | Dynamic simulation system A dynamic simulation system in which an internal model is dynamically changed according to input data. The status of variation of the internal model is inputted, and the display and/or sound output of the internal model is dynamically changed according to... | 12/28/1993 |
| 5272379 | Power supply device for an electric vehicle A power supply device for electric vehicle. The power supply device includes an engine, transmission, generator-motor, power converting circuit, battery and alternating drive motor. In operation, the battery supplies a direct current to the power converti... | 12/21/1993 |
| 5271344 | Method and apparatus for controlling an automatic sewing machine A control method and apparatus for controlling an automatic sewing machine having a plurality of memory units different in kind to record sewing patterns in which a particular one of these memory units is automatically selected, and an electric power supp... | 12/21/1993 |
| 5269192 | Strain detector A strain detector to be attached to the shafts of devices such as engines, motors, electromagnetic clutches. First and second magnetic layers are disposed on the driven shaft so as to change permeability with a mechanical strain in the shaft. First and se... | 12/14/1993 |
| 5270845 | Liquid crystal display unit manufacturing method including forming one of two gate line layers of display electrode material An improved method for manufacturing a liquid crystal display unit substantially free from gate electrode breakage but with no increase in the number of manufacturing steps over the conventional method. The liquid crystal display unit includes a TFT array... | 12/14/1993 |
| 5268552 | Wirecut electrical discharge machine having increased feeder life A wire guide apparatus for an electrical discharge machine (EDM). A movable feeder is placed in contact with a wire electrode, so as to transmit a machining voltage thereto. A workpiece is machined to a desired shape by virtue of electrical discharge betw... | 12/07/1993 |
| 5268898 | Information transmission system between machine master and servo mechanism An information transmission system for a numerical control (NC) system having a servo mechanism with plural units, wherein the NC issues commands for processing by corresponding servo units and the servo units issue status information for monitoring and d... | 12/07/1993 |
| 5267476 | Strain detector A strain detector includes a passive member for receiving an external force, magnetostrictive layers formed on a surface of passive member and made of a magnetic material containing nickel and at least one kind of metal sulfide produced from reaction of a... | 12/07/1993 |
| 5266058 | Terminal connecting device The present invention relates to a terminal connecting device which simplifies and facilitates achieving the proper alignment between a male-threaded portion of a terminal screw and a female-threaded hole of a stationary terminal, and moreover, which assu... | 11/30/1993 |
