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Ejector cycle device
An ejector cycle device includes an ejector having a nozzle portion which decompresses refrigerant flowing out of a radiator, a first evaporator for evaporating...
Supercharging assist control system
As the integral value of power obtained by integrating supply power to the three-phase stator coil of an assist motor with respect to time becomes larger, a...
Fuel injection control device for internal combustion engine
A fuel injection amount control device is used for an internal combustion engine. A secondary air supply device supplies secondary air into an exhaust passage of...
Signal-processing unit for fluxgate magnetometers
A signal processing unit includes an integrating unit. The integrating unit is composed of a plurality of digital elements and is operative to integrate a...
Card type wireless device, antenna coil, and method for manufacturing
An antenna coil includes: an air-core type flat coil body; a coil case; and a reinforce frame. The coil case has a ring shape, which corresponds to the coil...
Gate driving circuit
A gate driving circuit has a variable current carrying path that switches a current carrying path among a driving target device, a DC power source and a reactor...
Vehicle-generator output voltage control apparatus
The vehicle-generator output voltage control apparatus includes a voltage control circuit regulating an output voltage of a vehicle generator by controlling a...
Alternator directly connected to engine
An alternator is composed of a frame, a rotor rotatably supported in the frame, a stator contained in the frame outside the rotor and other associated...
Sensor device and output characteristic switching method of sensor device
A pressure sensor device (1) includes a sensing element (2) for sending an analog signal according to pressure. The pressure sensor device (1) outputs the analog...
Silicon carbide semiconductor device and method for manufacturing the same
A silicon carbide semiconductor device includes: a semiconductor substrate having a principal surface and a backside surface; a drift layer disposed on the...
Object detecting apparatus having a current adjuster for controlling
amount of electric current supplied to a...
An object detecting apparatus detects an object by using a laser beam emitted from a laser diode. The apparatus has a current adjuster. An amount of electric...
Manufacturing method of semiconductor substrate
Closure at the opening of a trench with an epitaxial film is restrained, and thereby, filling morphology in the trenches is improved. A method for manufacturing...
Method for manufacturing semiconductor device having super junction
A semiconductor device includes a body region, a drift region having a first part and a second part, and a trench gate electrode. The body region is disposed on...
Wire collision sensor system
A wire collision sensor system for a vehicle, which includes a vehicle body, includes a bumper, a wire, a wire deformation sensor and a determination circuit....
Controller of pressure accumulation fuel system
A common rail fuel injection system has a fuel pump, a common rail, and an injector. The injector injects high-pressure fuel supplied from the common rail into...
Fuel injection controller for engine
A fuel injection controller calculates a difference between a rotation speed fluctuation amount of an engine in the case where an injection for learning is...
Variable valve timing control device of internal combustion engine
A required valve timing change rate Vreq is calculated so as to make a deviation D between a target valve timing VTtg and an actual valve timing VT small and...
Method for detecting malfunction of a cooling system based on detected
A malfunction of a thermostat in a coolant circulating path is detected from an engine side coolant temperature in consideration of the following behavior of the...
Navigation device and method for determining orientation of vehicle
A vehicle includes an acceleration sensor that generates an output of an acceleration in a direction of the acceleration sensor. The output of the acceleration...
Car navigation system and program
When a corridor operation is conducted in a car navigation system, a stoppable place where a vehicle is able to stop is retrieved before a map disk is removed....
Device and method for controlling ignition timing of internal combustion
An engine ECU executes a program including the steps of: calculating a magnitude value LOG(V) from a magnitude V detected using a knock sensor; calculating a...
Apparatus and method for manufacturing fuel injection control systems
A method is provided to manufacture a fuel injection control system controlling fuel injection in an internal combustion engine with a fuel injection valve. A...
Information registering and retrieving system, in-vehicle apparatus and
When an in-vehicle apparatus receives an information retrieval request from a portable cellular phone along with a phone ID of the cellular phone, a link key is...
Flying capacitor type battery voltage detector
In a flying capacitor type battery voltage detector on a circuit substrate, a large number of photo MOS switches having performance highly depending from...
Hard disk device having normal and low density memory regions
A hard disk device includes a magnetic disk for storing data, a temperature sensor for detecting an ambient temperature and a controller for controlling...
Device for controlling a semiconductor element
A control device for controlling a load drive semiconductor element for driving a load has a test operation mode for measuring a leak current of the load drive...
Internal permanent magnet rotor having improved configuration of magnetic
At each permanent magnet in a rotor of an IPM rotary electric machine, each of a pair of flux barriers respectively disposed adjoining circumferentially opposed...
A vehicle alternator for generating electric power has a stator, a rotor, a rectifier, a regulator case, and a cooling fin part. A stator winding is wound on the...
Semiconductor device having tin-based solder layer and method for
manufacturing the same
A semiconductor device includes: a semiconductor substrate; a base member; a tin-based solder layer; a first metal layer; and a first alloy layer. The...
Variable valve timing apparatus executing reference position learning and
control method thereof
A current value of an intake valve phase calculated based on a sensor output is smoothed along the direction of time axis in accordance with a smoothing factor,...
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...
Leak detector for evaporated fuel
An evaporated fuel leak detector detects leakage of an evaporated fuel generated in a fuel tank. The detector includes: a differential pressure valve, a pump for...
Method of rewriting flash EEPROM and electronic control device using same
A method of rewriting a flash EEPROM of an electronic control device for controlling a vehicle equipment via a microcomputer is proposed. The flash EEPROM stores...
Sensor apparatus, control system having the same and offset correction
Each acceleration sensor of an air bag system includes a sensing device, a communication device and an adjusting device. The sensing device generates a...
Method and apparatus for initializing injectors
In an apparatus for initializing injectors based on pieces of correction data each corresponding to one of the injectors, an obtaining unit obtains injection...
Apparatus for correcting and diagnosing angular rate sensors installed in
an automotive vehicle
An offset diagnosing and correcting section obtains an offset correction value from an angular rate value obtained from detection signals produced from a...
In a communication device, a counter counts a reference clock CLK1 at each edge of a data signal, and a clock generator generates a reception clock corresponding...
Apparatus of controlling power generation of a generator
An apparatus for controlling power generation of a generator has a voltage detector and a power controller. The voltage detector detects a voltage of electric...
Field-winding type of synchronous machine
A field-winding type of synchronous machine comprises a stator with an armature winding wound phase by phase, a rotor having a rotor core with a field winding...
The present invention provides a piezoelectric actuator with excellent durability. In the present invention, a piezoelectric element 2 in which a plurality of...
Brush device for rotary electric machine
A brush device assembled in a vehicular alternator is composed mainly of a pair of brushes, a pair of springs, and a brush holder. The brush holder accommodates...
Electric motor having resilient member and apparatus for manufacturing the
An electric motor includes a housing that receives multiple magnets that are circumferentially arranged in the housing. A resilient member has two inserted...
Ceramic body and ceramic catalyst body
A ceramic body that can support a required amount of catalyst component, without lowering the characteristics such as strength, manufactured without forming a...
Organic EL devices and production process thereof
An organic electroluminescent device comprising a light-emitting layer between a pair of electrodes, the light-emitting layer comprising a mixture of a...
Conductive adhesive, method of producing the same, and bonding method
A conductive adhesive is formed by mixing a plurality of conductive fillers into a thermosetting resin. The conductive filler includes a core material made of...
Structure for mounting ultrasonic sensor on mounting member
An ultrasonic sensor for emitting ultrasonic waves and for receiving the waves reflected from objects is mounted on a mounting member such as a bumper of an...
Information carrier reader/writer, method and apparatus for supporting the
In a reader/writer, a storage unit is configured to store a plurality of parameter files each including a plurality of control parameters required to...
Meter panel for use in automotive instrument
A meter panel such as a speedometer used in an instrument panel of an automotive vehicle includes a transparent pointer disc, a dial plate having scales and...
Air-fuel ratio controller for internal combustion engine
A target air-fuel ratio setting part has a sub-feedback part, a target air-fuel ratio enriching part, and a target air-fuel ratio changeover part. The...
Method for manufacturing multi-layer printed circuit board
A multi-layer printed circuit board includes an insulation substrate; a surface conductive pattern disposed on a surface of the insulation substrate; and an...