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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...
Microcomputer and emulation apparatus
A single-chip microcomputer includes a logic circuit, a CPU and a flip-flop for synchronizing an interrupt-request signal, which is supplied by the logic circuit...
In an EEPROM of a microcomputer, data is stored for determining a communication rate CMR for fixing the data transmission time of one frame managed by a...
Adjusting sound characteristic of a communication network using test
signal prior to providing communication to...
A voice recognition system has a vehicle unit, which is a communication terminal, and a voice recognition server. The voice recognition server recognizes a voice...
Knock determination apparatus and method for engines
In determining a knock of an engine, a vibration intensity is calculated by logarithm-transforming a peak value or an integral value of an output signal of a...
Controller for engine having component
A required-generate-current (RGC) is calculated according to conditions of the electric loads and a charging state of the battery. The ...
Inter-device communication system
An inter-device communication system for a wiper control apparatus that includes a rain detection device and a wiper driving device includes communication...
Onboard wireless communication system
An onboard wireless communication system includes a power supply circuit, a wireless communication circuit, a control circuit, and a current integration circuit....
Mobile communications terminal with position determination
A mobile communications terminal has a transmitter for transmitting a specific identification code of a reference base station as a time reference for network...
TAD A/D converter in which pulse delay circuit is initialized prior to
each conversion operation for deriving...
In a TAD (Time Analog-to-Digital) type of A/D converter in which delay units of a pulse delay circuit successively transfer a pulse signal during each of...
Electromechanical conversion device
An electromechanical conversion device includes an electromechanical conversion unit and a cable, which has a signal wire and a ground wire for grounding the...
Rotation detecting device using magnetic sensor
A rotation detecting device is provided that detects the rotation of a rotating object by means of a biasing permanent magnet and multiple sensor chips. The...
Motor driven blower support system
A drive motor is supported and fixed onto a motor support plate composing a support member through vibration proof rubber which damps vibration, the frequency of...
Power generation control apparatus for internal combustion engine
An increment of a fuel consumption rate caused by power generation is determined from a difference in fuel consumption rate between a case of performing power...
Silicon carbide semiconductor device and method for manufacturing the same
A manufacturing method of a silicon carbide semiconductor device includes the steps of: preparing a semiconductor substrate including a silicon carbide...
Trench-gate transistor with ono gate dielectric and fabrication process
A trench-gate type transistor has a gate insulating film formed on an inner wall of a trench. The gate insulating film includes a first portion located on a wall...
Fuel cell system and method of controlling the same fuel cell system
The fuel cell system is provided which detects a freeze among specific components and portions thereof by evaluating various conditions upon starting operation...
Pipe joint device
An object of the present invention is to provide a pipe joint device, according to which two pipe members can be easily connected and disassembled without...
Method of surface treating aluminum alloy base body of heat exchanger and
heat exchanger produced by the method
A method of surface treating an aluminum alloy base body of an heat exchanger which method enables an etching procedure to be carried out uniformly and quickly...
Signal output unit and electronic control unit
A timer module in an ECU has an angle counter and a timer counter. A value counted by the angle counter indicates a crank angle of a crankshaft. Under the...
Collision object discrimination apparatus for vehicles
A collision object discrimination apparatus for vehicles includes two collision detection sensors for discriminating kinds of a collision object based on two...
Turning angle detector
External magnetic members are provided outside the outer periphery of a rotor. When the rotor is positioned around its turning angle of 70 degrees, part of the...