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Microcomputer including a CR oscillator circuit
A microcomputer includes an oscillator for generating a clock signal having a frequency by using a CR circuit, a multiplier for outputting the clock signal...
Current mirror circuit for reducing chip size
A current mirror circuit includes transistors having bases coupled together and emitters connected to a voltage line. The current mirror circuit further includes...
Automotive battery state monitor apparatus
A voltage control apparatus checks a battery voltage when an automotive generator gradually increases its output to be within a predetermined range after...
Method and apparatus for detecting charged state of secondary battery
based on neural network calculation
A neural network type of apparatus is provided to detect an internal state of a secondary battery implemented in a battery system. The apparatus comprises a...
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...
Laminate-type piezoelectric element and method of producing the same
A laminate-type piezoelectric element has a ceramic laminated body obtained by alternately laminating piezoelectric layers made of a piezoelectric material and...
An ultrasonic sensor includes an inner case mainly made of plastic and having a shape of a cylinder with a bottom portion. A conductive film is attached to the...
On-vehicle alternator capable of adjustably orienting output cable
An alternator (AC generator), which is to be attached to an engine mounted to a vehicle, comprises an output terminal to which one end of a cable for supplying a...
Rocking switch unit
A rocking switch unit includes a base section, a switch knob, a pair of tactile switches, a middle rocking section, and a pair of switch-pressing portions. The...
Method of manufacturing semiconductor device
A semiconductor device having SJ structure has a peripheral region having a higher withstand voltage than the withstand voltage of the cell region. A...
Semiconductor device and method for manufacturing the same
A semiconductor device includes: a semiconductor substrate having a first surface and a second surface, wherein the substrate has a first conductive type; a...
Method of manufacturing an exhaust gas purifying filter
An exhaust gas purifying filter is made of a ceramic material in a honeycomb structure having introduction passages for introducing exhaust gas that includes...
Gas compressor having a pair of housing heads
In a gas compressor, housing heads are disposed to define an internal space with a housing, and two rotors housed in the internal space are rotatable to form in...
Switch valve structure of fluid machine
A switch valve structure of a fluid machine (10) having a pump mode to operate as a compressor and a motor mode to operate as an expander is disclosed. In pump...
A display device includes a translucent member having a scale part, a light source disposed at a rear side of the translucent member and a dial plate. The dial...
Solenoid drive apparatus
A solenoid drive apparatus for driving a driven member by a magnetic attractive force includes a tubular magnetic metallic body, a coil, a magnetic metallic...
Mounting structure for suppressing vibration
An object such as an electromagnetic valve is resiliently mounted (or in a floating manner) on a mounting base such as an intake manifold of an internal...
Multi-spark ignition system
A multi-spark ignition system for an internal combustion engine includes ignition coils each of which is mounted on one of spark plugs of an engine, an energy...
Common rail fuel injection system designed to avoid error in determining
common rail fuel pressure
A common rail fuel injection system includes an electronic control unit and a fuel pressure sensor. The electronic control unit is equipped with a power supply...
Accumulator fuel injection apparatus compensating for injector individual
A common rail injection system for internal combustion diesel engines is provided which is designed to correct a limit of width of an ineffective injection...
Intermediate geared starter and seal member
An intermediate geared starter is provided, which has a pinion shaft, a pinion gear, an intermediate shaft, an intermediate gear, and a housing. The pinion shaft...
Vehicle-use battery monitor apparatus
The vehicle-use battery monitor apparatus includes a first function of receiving a power generation rate indicative of an operating state of a vehicle alternator...
Program distribution system, program distribution device, and in-vehicle
According to a request from a gateway device in a subject vehicle, a program distribution device designates a program that conducts an access to an ECU in the...
Vehicle antitheft apparatus
An antitheft apparatus for a vehicle includes a theft behavior sensing device and a paint injecting device. The theft behavior sensing device senses a theft...
Structure of electromagnetic switch for starter
An electromagnetic switch for use in actuating a starter for automotive vehicles is provided. The switch includes fixed contacts, a moving contact, and a plunger...
Output circuit and current source circuit used in the same
An output circuit includes a constant current circuit that generates and supplies a constant current to an output terminal of the output circuit. Based on the...
Current mirror circuit and constant current circuit having the same
A current mirror circuit includes a pair of first and second transistors having bases connected together and emitters connected to a power line, a resistor...
On-vehicle apparatus theft deterrence system
A navigation apparatus is detachably installed to a vehicle and is lockable to implement activation lock of the navigation apparatus. The navigation apparatus...
Method for separating semiconductor substrate
A method of separating a semiconductor substrate having an implementation member attached thereon includes a dividing process for at least the implementation...
Electromagnetic switch of starter
An electromagnetic switch has a solenoid and an electric contact section set to a closed state in response to an attraction force of the solenoid. The contact...
Flowmeter element, mass flowmeter and mass flow measurement system
A flowmeter element is used for measuring a mass flow rate of fluid, and includes a semiconductor board, an ultrasonic unit and a pressure detecting unit. The...
Method of manufacturing an actuator
A manufacturing method for an actuator including a casing and a housing. The method includes setting a metallic ring in a molding die; injection molding a first...
Speech recognition system
An audio operating unit of an audio apparatus is used for speech recognition. Specifically, when it is determined that a speech recognition start switch has been...
Camera module for combining distant image and close image into single
A camera module is advantageously used in a vision system mounted on an automotive vehicle. The camera module includes a first optical system focused on distant...
Overcurrent detection circuit
An overcurrent detection circuit for detecting an overcurrent condition in an output transistor connected in series with an electrical load includes a pair of...
Vehicle security control system
A vehicle security control system receives from a separated communication device a demand signal to prohibit or permit engine operation via an immobilizer. The...
Music composition instruction system
A music composition introduction system consists of a user's audio system and a center for managing music composition information, both of which communicate with...
Micro-structure manufacturing method
A method of manufacturing a micro-structure includes dry-etching a sacrificial layer provided to a silicon substrate to form structures the sacrificial layer...
Fuel feed apparatus
A fuel feed apparatus is accommodated in a fuel tank. The fuel feed apparatus includes a sub-tank that is provided in a bottom of the fuel tank. The fuel feed...
Injector drive device and injector drive system
An injector drive device includes a power supply unit that is supplied with power from a battery mounted in a vehicle and generates a voltage higher than the...
Mounting structure of angular rate sensor
An angular rate sensor includes: a substrate; a drive-purpose vibrator capable of vibrating in a first direction; and an angular velocity detection-purpose...
Anti-corrosion structure of gas sensor
An anti-corrosion structure of a gas sensor is provided. The gas sensor includes a hollow cylindrical air cover assembly made up of an inner and an outer cover....
Flexible wiring system for electronic apparatus
A flexible wiring system for an electronic system includes an intermediate distributing unit and a changeover control unit. The intermediate distributing unit...
Control apparatus for engine having time delay estimating unit increasing
or decreasing number of samplings...
A plant model expressing an object to be controlled by a discrete mathematical model is used. Parameters of the plant model are identified in such a way as to...
Synchronous detection method and device
In a synchronous detection method, an input signal is averaged over at least first and second phase ranges of a target carrier wave within each period thereof to...
Method and apparatus for optically reading information attached to a
In an apparatus for optically reading out through an imaging optics a first image of information by a photodetector. The information is attached to a target. In...
Laser radar apparatus that measures direction and distance of an object
There is provided a laser radar apparatus including laser beam generating means, photo detecting means, a mirror assembly, light deflecting means, and rotation...
Compact antenna having coaxial helical elements with ends connected across
an RF signal source
An antenna includes outer and inner elements, one of which is a signal line and the other of which is a ground line. Each of the outer and inner elements is a...
Card type wireless device, antenna coil, and method for manufacturing
An antenna coil includes: an air-core type flat coil body; and a coil support member disposed between the coil body and a substrate so that the coil body is...
Structure of magnet switch ensuring stability of installation of seal
A magnet switch which may be employed in automotive engine starters is provided. The magnet switch includes a metallic terminal which extends through a hole...