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Electric power generation control apparatus
An electric power generation control apparatus has a bridge circuit, a voltage detection circuit, an electric generation control circuit, and an operation mode...
Magnetic sensor having vertical hall device and method for manufacturing
A vertical Hall device includes: a substrate; a semiconductor region having a first conductive type and disposed in the substrate; and a magnetic field detection...
Method and apparatus for measuring biological condition
In an apparatus for measuring a biological condition of a living body, a light emitting unit emits individually first and second lights to a measurement portion...
Fuel injection valve
A fuel injection valve includes a valve member, a first stop member, a second stop member, a movable core, a fixed core, and a coil. The valve member opens and...
Gas fuel engine and control method for the same
In a gas fuel engine, a first air-fuel mixture having a local excess air factor .lamda. not less than 2 is combusted (a first combustion). When a target torque...
Glow plug energization control to avoid overheating
A glow plug energization control apparatus is provided which includes a power supply working to supply electric power to a glow plug mounted in an internal...
Apparatus and method for controlling internal combustion engine
An electronic control unit increases the maximum lift amount or the working angle of an intake valve if it is determined that the operation for stopping an...
A valve controller includes a detector detecting a shutdown command signal to shutdown an engine, a driving circuit for driving a motor, and a power source...
Fluid flow sensor
Two heat generating resistors are formed on a substrate in the upstream side with respect to an air flow direction and two other heat generating resistors are...
Accumulating amount estimating device detecting differential pressure of
A filter is arranged in an exhaust passage of an engine. The filter supports a catalyst. An accumulating amount estimating means detects differential pressure of...
Route-setting device, map display device and navigation system
A route is set by reading map data of an area used for calculating the route. When this area includes a road pricing area, it is determined if there exists a...
Knock determination device for internal combustion engine
An engine ECU executes a program including a step of calculating coefficient of correlation K that is a value related to a deviation between a vibration waveform...
Exhaust gas recirculation system abnormality diagnosis device
An exhaust gas recirculation passage connects an exhaust passage with an intake passage. A cooling device is mounted to the exhaust gas recirculation passage for...
Device and system for toll payment
A navigation device stores road data that includes positions of toll roads where payback of a part of a toll is provided based on a used distance of each of the...
The magnetic sensor is fabricated such that a magnetic sensor chip, having a one-chip structure in which MRE bridges and a comparator are included, is mounted...
A current sensor includes a first magnetic core that surrounds a portion of a conductor as a current path and has gaps therein, each of which is defined by...
Spark plug with increased durability and carbon fouling resistance
A spark plug for an internal combustion engine is provided which includes a metal shell, a porcelain insulator, a center electrode, a main ground electrode, and...
Apparatus for detecting a rotor angle of reluctance motor
An end surface of a rotor core is offset from an end surface of a stator core by a predetermined amount in an axial direction going away from Hall ICs. In an...
Coolant cooled type semiconductor device
A coolant cooled type semiconductor device capable of achieving a superior heat radiation capability is provided, while having a simple structure. While a...
Aluminum heat exchanger excellent in corrosion resistance
The present invention provides a heat exchanger which is assembled by brazing an aluminum fin material to the outer surface of an aluminum tube material formed...
Auxiliary machine driven by engine and motor and capable of starting
An auxiliary machine driven by an engine comprises: an operating section operated by a rotary motion and having a drive shaft; an input shaft, one side of which...
The DC motor of the starter includes first and second field coils, an armature coil series-connected to one ends of the first and second field coils through a...
Fuel feed apparatus having inner connecting structure
A fuel feed apparatus feeds fuel in a fuel tank to the outside of the fuel tank. The fuel feed apparatus includes a flange that covers an accommodation hole of...
Fuel injection apparatus for internal combustion engine
A first fuel discharge path and a first return pipe that collectively discharge the amount of flow of fuel flowing out of the piston control chamber of a...
Angular velocity detector
An angular velocity detector includes an angular velocity detecting element having a vibrating body arranged in a base substrate to be vibrated on a surface...
Gas-liquid separator for refrigerant cycle system
A gas-liquid separator (accumulator) is arranged at a refrigerant suction side of a compressor of a refrigerant cycle system mounted in a vehicle. The gas-liquid...
Fluid machine for converting heat energy into mechanical rotational force
A fluid machine according to the present invention has an expansion device for collecting waste heat from an internal combustion engine and converting the...
Adaptive information-retrieval system
A vector retrieval/generation/correction unit of a user terminal generates, corrects, and optimizes an inquiry vector on the basis of a vector profile, an...
Driver's condition detector for vehicle and computer program
A driver's condition detection device is for detecting a first life information indicating a driver's degree of activity. The driver's condition classification...
Air-fuel ratio sensor monitor, air-fuel ratio detector, and air-fuel ratio
An air-fuel ratio sensor monitor is provided which is designed to monitor reactive characteristics or response rates of an air-fuel ratio sensor when an air-fuel...
Electronic control apparatus which responds to shut-down command by
executing specific processing prior to...
An electronic control apparatus includes a control circuit and has a power supply holding function whereby when a power switch-off command is received by the...
Information-sharing system, information-sharing server,
information-sharing method, and information-sharing program
A technique to provide an information-sharing system and the like is disclosed. According to this technique, there are provided an on-board information terminal...
Electronic control unit
A main CPU transmits data used in determination of whether or not a target throttle opening degree calculation logic and an estimated target throttle opening...
Heating device for vehicle
A heating device for a vehicle is provided with a radiation-heat generating unit for generating radiation heat, a first light-distributing unit for converting...
Integrated circuit for transceiver device with means for suppressing
superimposed noise and for generating a...
A serial communication transceiver includes a trapezoidal wave signal generation circuit for producing a trapezoidal wave signal responsive to a control signal....
Coolant cooled type semiconductor device
A semiconductor device includes a cooling unit in which coolant flows, a semiconductor chip having two main surfaces press-pinched by the cooling unit, and an...
Satellite-positioning signal receiving device
A satellite-positioning receiving device includes: an antenna which receives a signal from a satellite; an RF amplifier unit which amplifies the signal received...
A/D converter that is implemented using only digital circuit components
and digital signal processing
A TAD (time analog/digital) type of A/D converter has plural series-connected delay units each producing a delay in accordance with the level of a converter...
Clamp circuit device
In a clamp circuit device, reference voltages are set up by a series circuit of an FET, a resistor and an FET. Gate potentials of FETs are set up by performing...
Transmission device for transmitting a signal through a transmission line
between circuits blocks having...
A transmission device includes a transmission line composed of first and second transmission lines. A first circuit block outputs a non-inverted transmission...
Motor controller and steering device
A motor controller including an inverter including plural switching elements that are subjected to PWM control to generate sine waves of plural phases, a motor...
Wiper controller for controlling windshield wiper
A wiper controller includes: a sensor for detecting a waterdrop on a windshield; a wiper for wiping the windshield; and control means for controlling operation...
Molded semiconductor device with heat conducting members
A power element package includes a semiconductor chip, radiating members, a mold resin member, a lead terminal for control signals, and lead terminals for large...
Aluminum alloy heat exchanger and method of producing the same
An aluminum alloy heat exchanger having a tube composed of a thin aluminum alloy clad material, wherein, in the clad material, one face of an aluminum alloy core...
Control device for automatic transmission
A position sensor for an automatic transmission has multiple switches, each of which generates "ON" or "OFF" signal depending on a selected position of a shift...
Organic electroluminescent element and process for its manufacture
An organic EL element is formed having a crystalline CuPc film as a positive hole injection layer and a positive hole transport layer, a luminescent layer, an...
Air conditioner for vehicle
In an air conditioner for a vehicle having first and second air conditioning zones positioned at right and left sides of a front seat in a vehicle compartment...
Vehicle air conditioner
A vehicle air conditioner has an IR sensor that detects a temperature of air inside a vehicle compartment. The IR sensor is disposed on an instrument panel so...
Fuel vapor processing apparatus
A fuel vapor processing apparatus includes a canister, a purge passage, a detection passage including an atmosphere passage and a restrictor, a passage changing...
A ring-shaped connecting portion is formed on a seat surface side of a pipe connector. The connecting portion is tapered so that thickness thereof gradually...