| Patent Number |
Title Of Patent |
Date Issued |
| RE34290 |
Constant voltage generating circuit |
June 22, 1993 |
| In a constant voltage generating circuit, a predetermined voltage outputted by voltage applying means connected between first and second power source terminals is simultaneously applied to the control electrode of a first MOS transistor of a first polarity and the control electrode of a |
| RE32178 |
Process for producing compound based superconductor wire |
June 10, 1986 |
| A process for producing a compound-based semiconductor wire having a high mechanical strength and which can be coiled so as to be cooled efficiently. A starting composition is formed by blending at least one metal powder selected from among Nb-based and V-based particles having at le |
| D329870 |
Thermal printer |
September 29, 1992 |
|
| D315912 |
Vacuum pump |
April 2, 1991 |
|
| 7365902 |
Optical amplifier and optical communication system |
April 29, 2008 |
| 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 wavelength-division |
| 7227953 |
MPEG data recorder having IEEE 1394 interface |
June 5, 2007 |
| 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-protected. When copy control informa |
| 6781492 |
Superconducting magnetic apparatus |
August 24, 2004 |
| 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 static magnetic field in |
| 6441333 |
Green compact electrode for discharge surface treatment and method of manufacturing green compac |
August 27, 2002 |
| 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 using the discharge energy fo |
| 6400530 |
Complex magnetic head and manufacturing method of complex magnetic head core |
June 4, 2002 |
| 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 between the first and second core mate |
| 6377890 |
Navigator |
April 23, 2002 |
| 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. |
| 6259989 |
Navigation device |
July 10, 2001 |
| 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 geographical point and stores display |
| 5863503 |
Nitrogen oxide detecting sensor and method of manufacturing the same |
January 26, 1999 |
| 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 structure of 2212 phase and expr |
| 5404418 |
Closed-loop feedback control system having an adaptive filter |
April 4, 1995 |
| 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 filter unit, such as a notch filter, |
| 5386421 |
Image memory diagnostic system |
January 31, 1995 |
| 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 system. By contrast, according to th |
| 5373826 |
Ignition apparatus for an internal combustion engine having a current limiting function |
December 20, 1994 |
| 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 common resistor 105 connected at |
| 5336954 |
Drain unit of starter |
August 9, 1994 |
| 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 fixing hook formed at the top end |
| 5306998 |
Protection control circuit for a variable speed hoisting device |
April 26, 1994 |
| 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 the rotary encoder 16 does not |
| 5301546 |
Misfire detecting device for internal combustion engine |
April 12, 1994 |
| 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 engine from the speed thus detected; |
| 5293500 |
Parallel processing method and apparatus |
March 8, 1994 |
| 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 units operate in parallel without an |
| 5285378 |
Apparatus for and method of automatically tuning and setting control parameters for a numerical |
February 8, 1994 |
| 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 tuning program and test run program |
| 5285354 |
Base unit for controller |
February 8, 1994 |
| 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 simultaneously moveable between an eng |
| 5281940 |
Solenoid coil bobbin for electromagnetic switch |
January 25, 1994 |
| 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 therebetween, each top end of the pro |
| 5281791 |
Pulsed arc welding apparatus |
January 25, 1994 |
| 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 point of the wire electrode and |
| 5280569 |
Three dimensional model describing method |
January 18, 1994 |
| 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 rectangular regions along the |
| 5280259 |
Superconductive magnet device with transparent pipes for accommodating field correction shims |
January 18, 1994 |
| 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 superconductive magnet body are |
| 5279145 |
Heater control device for an air-fuel ratio sensor |
January 18, 1994 |
| 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 flow control means for controlling |
| 5278497 |
Magnetic sensor having a magnet-sensitive plane of an MR element arranged perpendicular to both |
January 11, 1994 |
| 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, and an electro-magnetic wave s |
| 5277075 |
Starting motor with an intermediate gear |
January 11, 1994 |
| 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 slidably by an intermediate shaft |
| 5276722 |
Absolute multi-revolution encoder |
January 4, 1994 |
| 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 related to the accuracy of a rotary |
| 5276302 |
EDM apparatus current efficiency control technique |
January 4, 1994 |
| 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 feeding the electrode towards th |
| 5274562 |
Numerical control unit for facilitating tool change |
December 28, 1993 |
| 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 future reference. During machining, |
| 5272914 |
Ignition system for internal combustion engines |
December 28, 1993 |
| 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 winding at a predetermined period. A |
| 5272379 |
Power supply device for an electric vehicle |
December 21, 1993 |
| 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 converting circuit which converts the |
| 5271344 |
Method and apparatus for controlling an automatic sewing machine |
December 21, 1993 |
| 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 supply for supplying power for an ini |
| 5270845 |
Liquid crystal display unit manufacturing method including forming one of two gate line layers o |
December 14, 1993 |
| 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 substrate including a plurality |
| 5269192 |
Strain detector |
December 14, 1993 |
| 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 second detecting coils are wound |
| 5268898 |
Information transmission system between machine master and servo mechanism |
December 7, 1993 |
| 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 display by the NC. A plurality of |
| 5268552 |
Wirecut electrical discharge machine having increased feeder life |
December 7, 1993 |
| 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 between the wire electrode and the |
| 5267918 |
Ring-shaped internal gear for epicyclic reduction gear type starter device |
December 7, 1993 |
| In an epicycle reduction gear type starter device comprising a ring-shaped internal gear 20 which is molded from resin and secured to a front frame so as to engage with planet gears driven by a DC motor, the internal gear 20 has ribs 21 in the outer periphery of an annular inner portion |
| 5267476 |
Strain detector |
December 7, 1993 |
| 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 metal more reactive with sulfur |
| 5267141 |
Machining unit application control apparatus and method employing data from several different op |
November 30, 1993 |
| In an application control apparatus or method for a machining unit such as an electric discharge machine, a plurality of methods of realizing desirable machining states such as those on machining know how techniques are independently described and stored as knowledge, and control is |
| 5267124 |
Controlling apparatus with terminal arrangement |
November 30, 1993 |
| An inverter module design having layered printed wiring boards for main and control circuit components, the printed wiring boards having external terminals for connection to external wiring, the terminals on adjacent boards being arranged orthogonally. An optional printed wiring board is |
| 5266857 |
Output-terminal device for an a.c. generator for a vehicle |
November 30, 1993 |
| An output-terminal device for an a.c. generator for a vehicle has a connecting seat which is provided at a connecting portion formed in an output side heat sink in a rectifier device attached to the rear bracket of the generator. When an output-terminal bolt extends in the lateral di |
| 5266058 |
Terminal connecting device |
November 30, 1993 |
| 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 assures that a fastening operatio |
| 5265026 |
Sewing machine control device |
November 23, 1993 |
| A sewing machine control device for controlling the drive of a sewing machine. The sewing machine control device is provided with a monitoring device having a display device for displaying data to identify the direction of rotation and abnormal conditions of the sewing machine. |
| 5264866 |
Thermal printer control apparatus employing thermal correction data |
November 23, 1993 |
| A printer, which is improved in print quality, comprises first storage means for storing at least data on dots adjacent to an aimed dot on a line to be printed; second storage means for storing data on aimed dots on the line immediately before the line to be printed and on the line locat |
| 5264773 |
Controller for induction motor |
November 23, 1993 |
| An error current component which becomes zero when an actual value of a primary flux coincides with a set value inducted by a product of an exciting current command and a primary self-inductance by detecting a primary current of an inductance motor, is inducted by an error current co |
| 5264676 |
Electric discharge machining apparatus with a vertically movable tank |
November 23, 1993 |
| In an electric discharge machining apparatus, a vertically movable processing tank is provided for reserving therein a processing liquid. The processing tank is variable in a vertical direction. A link mechanism is used as a unit for vertically moving the processing tank. A processin |
| 5263452 |
Knocking detector for internal combustion engine |
November 23, 1993 |
| A knocking device for an internal combustion engine which detects the ionization current through an ignition coil just prior to the time of ignition, and judges whether or not the ionization current is above a predetermined level after a predetermined time or crank angle from the ign |
| 5263447 |
Apparatus for controlling idling rotation of engine |
November 23, 1993 |
| An apparatus for controlling the idling rotation of an engine comprises a generator driven by the engine for charging a battery for supplying DC power to electrical loads, a switching circuit for controlling an exciting current flowing through a field coil of the generator to keep the vo |
