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Semiconductor device having a metal conductor in ohmic contact with the
gate region on the bottom of each groove
A silicon carbide semiconductor device such as JFET, SIT and the like is provided for accomplishing a reduction in on-resistance and high-speed switching...
Silicon carbide semiconductor device having junction field effect
transistor and method for manufacturing the same
A silicon carbide semiconductor device includes a substrate and a junction field effect transistor. The transistor includes: a first semiconductor layer disposed...
A raindrop sensor for sensing water attached to a second surface of a transparent body includes a light emitting element, a light guide body, a light receiving...
Semiconductor wafer and semiconductor device manufacturing method using
In a method of manufacturing a semiconductor device, a semiconductor wafer is prepared that includes a plurality of IC chips, each having a circuit including a...
Air direction changing system for vehicular air ducts
A vehicle air conditioning system secures an appropriate temperature difference in the air blown through vertically arranged air ducts when the system is in a...
Canister having absorbent and internal purge pump
A canister includes a casing that has a tank port connected to a fuel tank, an atmospheric port connected to an atmospheric passage communicating with...
Fuel injection apparatus for internal combustion engine
A fuel injection apparatus has an accumulator, a booster, a nozzle, a hydraulic circuit, a hydraulic pressure valve and a control valve. At least one of a...
Electronic throttle control apparatus for internal combustion engine
An electric throttle control apparatus for an internal combustion engine includes a throttle motor that operates the throttle valve. A throttle control unit...
A pressure sensor includes a hollow cylindrical stem, a sensor chip, and a wiring board. The hollow cylindrical stem has a pressure-sensitive flexible diaphragm...
Air flow rate measuring device having sensing unit
A sensing unit is constructed of a heater element and a temperature sensing element. The sensing unit is arranged in a region, in which measurement air, which...
Inner terminal installation jig used to install an inner electrode
An inner terminal installation jig used to install an inner electrode terminal mount formed on an inner peripheral surface of a hollow cylindrical sensor element...
Electronic control unit
In an electronic control unit, a case has a peripheral side portion formed with a concave groove in which a connector is fitted with a clearance portion between...
Tire inflation pressure sensing apparatus with high reliability and
A tire inflation pressure sensing apparatus according to the present invention includes a transmitter and a receiver. The transmitter is provided on a wheel of a...
Tire inflation pressure sensing apparatus based on transponder method
A tire inflation pressure sensing apparatus includes a transmitter on a wheel of a vehicle and a receiver on a body of the vehicle. The transmitter includes a...
Electronic key system for entry objects
An electronic key system for an entry object such as a vehicle is comprised of a portable device and an in-object device. The portable device has a device body...
Angular position determining apparatus with malfunction detector
An angular position determining apparatus is provided which includes a magnet affixed to a rotary shaft and a plurality of magnetic sensor elements and works to...
Engine control apparatus
The engine control apparatus includes: the stop switch body 6; the stop switch knob 3; the lock plate 5 insertable to the stop switch knob 3; the transponder 9...
Control apparatus for electrical generator of motor vehicle
A control apparatus such as an ECU, that controls the generator of a vehicle, measures the engine rotation speed and generator rotation speed while the engine is...
Vane pump having vanes slanted relative to rotational axis
A vane pump is composed of a casing having a cylindrical inner bore and a rotor disposed in the inner bore with an eccentric relation to the inner bore. A...
Valve device for internal combustion engine
A valve device for an internal combustion engine is provided with two flange portions, each of which is arranged at the outer periphery of a valve and has a...
Two sides of a single metal plate are bent to form the structure of a spring terminal having two spring portions. In the spring terminal having such a structure,...
Method of producing winding of dynamo-electric machine
A method of producing a winding from electric conductors received in slots formed in a stator core has the steps of forming a first copying surface at an end of...
Production method of stacked piezoelectric element
A stacked piezoelectric element is produced by alternately stacking a piezoelectric layer and an inner electrode layer. The method includes producing a green...
Vehicle navigation system
In a vehicle navigation system, a data storage device stores data on categories of points of interest indicated on sign boards provided at freeway exits and...
Map search system
Retrieving an on-map position is executed within a targeted search area that is one of search areas. Search information items are stored for retrieving. Each of...
Antenna apparatus and method for mounting antenna
A planar antenna has a radiating element and a ground plate. A body of a vehicle has an internal edge that is formed by making a hole in the body. The planar...
Vehicle positioning control apparatus
A vehicle positioning control apparatus includes a vehicle positioning detection device, a vehicle positioning sudden change detection device, a tire air...
Vehicle security system
When transmitting an instruction for activating an immobilizer function to a vehicle, a base station also transmits a given password for releasing the...
Physical quantity sensing element having improved structure suitable for
electrical connection and method of...
A physical quantity sensing element according to the invention includes an insulating layer and a sensing layer. The sensing layer is configured to generate an...
Vehicle power-generation control unit
The vehicle power-generation control unit includes a voltage detecting circuit detecting a generation voltage of a vehicle generator driven by a vehicle engine,...
Control of vehicle generator using PWM signal with specially determined
duty and frequency
A control apparatus for a vehicle generator includes a switch, a regulator, a fault condition detector, and a PWM signal generator. The switch is selectively...
A ground electrode has one end portion fixed to a metal housing, a bent portion provided at an intermediate portion thereof, and the other end portion positioned...
Ceramic support capable of supporting a catalyst, a catalyst-ceramic body
and processes for producing same
A ceramic support capable of supporting a catalyst comprising a ceramic body having fine pores with a diameter or width up to 1000 times the ion diameter of a...
Method of etching metallic thin film on thin film resistor
An Al film is formed on a barrier metal covering a thin film resistor to have a first opening. A photo-resist is formed on the Al film and in the opening, and is...
Method of manufacturing a sensor device with binding material having a
A sensor device includes a sensor chip and a bonding wire being fixed on a substrate. The sensor device is manufactured by using a binding material made of an...
Torque transmission system
When a first damper contacts both of a protruding portion of a pulley body and a protruding portion of a center hub, a second damper is disposed as being apart...
Seating condition detecting system for vehicle
A seating condition detecting system has four load sensors, a belt tension sensor and a self-diagnostic system. The first and second abnormal ranges are set for...
Apparatus for optically reading information
In an apparatus for optically reading an information code, a case has one wall in which a reading window through which light is transmittable. The reading window...
Control unit for electric power steering
An electric power steering control unit is provided which is capable of detecting a motor current stably irrespective of a temperature variation to improve...
Awakening degree determining system
When a variation amount of a driving operation falls outside of a determining reference, a determining system determines that an awakening degree of a driver is...
Vehicle air-conditioning apparatus that can surely defog window
A vehicle air-conditioning apparatus includes a dehumidification means, which has a compressor and dehumidifies inside of the vehicle, a humidity calculation...
Vehicle air conditioning system with air temperature sensor
A vehicle air conditioning system uses a non-contact temperature sensor for feedback control of the temperature of the air blown out from a blowing opening. The...
Stick ignition coil apparatus for ignition plug
A stick ignition coil apparatus for an ignition plug includes a primary coil arrangement, a secondary coil arrangement, a center core, a coil case, a high...
Fuel feed apparatus having small sized structure
A lid member is mounted to the fuel tank to cover an opening of the fuel tank. A fuel pump is arranged in the fuel tank to pump fuel in the fuel tank. A module...
Injector for high-pressure injection
An injector has a housing, a command piston, a control chamber, a needle, a nozzle chamber, a fuel inflow passage, a fuel discharge passage and an electric...
Throttle control system and method
A throttle control system includes a valve, an electric throttle unit, a control unit, a throttle sensor, a memory device, and a memory execution unit. The...
Fuel injection controller for in-cylinder injection engine
A fuel injection controller of an in-cylinder injection engine determines that a combustion state has deteriorated and executes a split injection for injecting...
Valve timing controller
A vane rotor, a bush, and a press-fitting member are connected with a camshaft of an engine. The bush is supported by an inner surface of a front plate of a shoe...
Control apparatus for an internal combustion engine
A variable valve mechanism performs a valve lift switching operation for an intake valve. ECU defines valve lift switching characteristics corresponding to the...
Capacitive humidity sensor
A capacitive humidity sensor for detecting a humidity change includes a first sensor element having a first capacitance, a second sensor element having a second...