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ARQ parameter retransmission control for variable data rate channels
A method and apparatus for controlling the maximum number of retransmissions of an information packet that may be attempted if the information packet was not...
Apparatus for driving a brushless motor
A control unit for a brushless motor has an upper-arm current detector for detecting an electric current flowing into an upper-arm switching transistor for...
Approaching object detection apparatus
A detection apparatus determines the type of an object approaching a vehicle. The detection apparatus is provided on a bumper of the vehicle, and comprises a...
Method for circuit inspection
A method for inspecting an electronic circuit formed on a board with a peripheral circuit includes steps of providing a terminal for inputting and outputting an...
Ion current detecting device in internal combustion engine
An ion current detecting device includes an ion current detecting unit which detects ion current based on combustion ion generated after an ignition which is...
Electric motor drive apparatus and motor-driven power steering system
In an electric motor drive apparatus capable of reliably preventing adverse effects on an electric motor, when a control force detected by a torque sensor...
Gate wiring layout for silicon-carbide-based junction field effect
A silicon carbide semiconductor device includes: a semiconductor substrate including first and second gate layers, a channel layer, a source layer, and a trench;...
Method for machining grooves by a laser and honeycomb structure forming
die and method for producing the same die
A laser groove machining method for forming bottomed grooves in a surface of a workpiece using a laser, wherein an emitting position of a laser beam which is to...
Driving force transmitting system
A manual valve is provided between a mechanical oil pump and a clutch of an automatic transmission device for connecting an engine with the automatic...
Vehicle air conditioner
Engine cooling water is charged to a flexible diaphragm member (3d) to expand the flexible diaphragm member (3d) so that the substantial sectional area of an air...
Semiconductor acceleration sensor and method of testing the same
Electrical characteristics of a semiconductor acceleration sensor containing a switched capacitor filter (15) are tested while the semiconductor acceleration...
Exhaust gas purifying device for internal combustion engine
An exhaust gas purifying device for an engine includes a particulate filter midway in an exhaust passage for collecting particulate matters. A control means...
Microcomputer for apparatus control and vehicle-mounted electronic control
unit incorporating microcomputer
A microcomputer which is to be utilized in a condition of being built into an apparatus such as a vehicle ECU, includes a ROM having stored therein a program...
Control apparatus and control method for internal combustion engine
A control apparatus for an internal combustion engine provided with a fuel supply mechanism capable of adjusting a fuel supply amount includes a flow rate sensor...
Constituent parts assembling method for an actuating apparatus
A constituent parts assembling method for an actuating apparatus includes a step of assigning ID classification to each of constituent parts with reference to...
Acceleration sensor module
An acceleration sensor module, installed in a front region and/or a side region of a vehicle, includes a sensing section and an adjusting section. The sensing...
Electronic control unit and passenger detection apparatus for vehicle
In a passenger detection apparatus for a vehicle, a microcomputer conducts a timer counting operation using a sub-clock signal fed from an CR oscillation circuit...
Magnetic rotation angle sensor
In a magnetic rotation angle sensor for detecting a rotation angle of a detection target, a yoke covers outer circumferences of a magnet and a Hall device. One...
Motor control apparatus having current supply phase correction
In a motor-driven shift position switching device, when the difference between a target position and the rotation position of a rotor has become smaller than a...
Gas sensor incorporating a multilayered gas sensing element
A multilayered gas sensing element 2 is positioned in a cylindrical housing 10 via a cylindrical insulator 3. The multilayered gas sensing element 2 includes a...
Fluid injection nozzle, fuel injector having the same and manufacturing
method of the same
A fluid injection nozzle has an injection port plate, an injection port and a protruding portion. The injection port plate is to be mounted on a downstream end...
Air conditioner for vehicle use
An upper opening portion (74, 75) and lower opening portion (76, 77) are arranged in a door body (13b, 14b) located below a side window (13a, 14a), and an air...
A direct-acting type diecasting machine having an inexpensive and simplified hydraulic circuit is provided, which includes: a mold clamping cylinder for clamping...
Fuel feed apparatus
A fuel feed apparatus includes a lid module that includes a canister accommodated in a fuel tank. The canister defines a space in the vicinity of a lateral...
Fuel feed apparatus having inner supporting structure
Surplus fuel returns from an engine into the sub-tank through a bellows pipe. A downstream end of the bellows pipe is supported by a sub-tank lid that closes an...
Fuel feed apparatus having opening in sub-tank
A fuel feed apparatus includes a sub-tank and a fuel pump that are received in the fuel tank. The sub-tank has an inner space that is partitioned into at least a...
Fuel feed apparatus having conductive members grounded each other
A fuel feed apparatus includes a grounded conductive resinous sub tank, a conductive fuel inlet pipe integrally formed with a bottom section of the sub tank and...
Control apparatus for internal combustion engine
An engine adjusts the amount of intake air by cooperative control for the valve duration of the intake valve and the opening degree of the throttle valve. In the...
Electrostatically oscillated device
An oscillator is oscillatable in a predetermined direction. First and second driving electrodes are secured to the base and apply an electrostatic force to the...
Control device of internal combustion engine
A control device able to find the intake air flow rate in an internal combustion engine having a plurality of intake passages upstream of a throttle valve is...
Gas sensor equipped with gas inlet designed to create desired flow of gas
A gas sensor equipped with a protective gas cover which defines therein a gas chamber to which a sensor element is exposed. The protective gas cover has gas...
Exhaust gas cleaner for internal combustion engine with particulate filter
having heat-absorbing area
To prevent the deterioration of catalyst or the damage of a particulate filter caused by the rapid temperature rise of the particulate filter when the abrupt...
Method of manufacturing a rotor of an electric motor
It is an object of the present invention to provide a method of manufacturing a rotor for an electric motor, in which displacement of the center of gravity is...
Device for detecting hydrogen concentration and method of detecting
The method of detecting the hydrogen concentration by using a first heat-generating resistor of which a first electrophysical quantity varies depending upon the...
Signal synchronization method and receiver device for packet communication
A receiver device for a packet communication system receives a packet signal appended at its head with a known number (N) of repetition signals. A correlation...
Vehicle radar device
In a vehicle radar device, a predetermined number of received light signals output based on a predetermined number of laser beams radiated from a radar sensor...
Vehicle radar apparatus
A radar apparatus for a vehicle radiates laser beams and integrates a plurality of received signals corresponding to the same plurality of successively radiated...
Brushless motor driving device
A brushless motor driving device having a current detecting unit for detecting a phase-current of a brushless motor, a voltage detecting unit for detecting a...
Fuel pump for high torque in compact structure
In a fuel pump, four permanent magnets are installed in a housing. An armature is installed inside the permanent magnets rotatably. Six magnetic pole coil...
Enhancement of membrane characteristics in semiconductor device with
A semiconductor device having a membrane includes a semiconductor substrate, which has an active surface, and a membrane. A cavity is located between the active...
Fuel cell system with improved startability
A fuel cell system is provided which includes a fluid pump such as an ejector pump. The fluid pump is designed to be driven by energy of air flowing within an...
Membrane type gas sensor and method for manufacturing membrane type gas
A gas sensor includes a semiconductor substrate and a sensing membrane. The sensing membrane is located at the bottom of a recess, which is formed by etching the...
Gas sensor element containing a getter
The present invention provides a gas sensor element and its production method, in which poisons are trapped in a porous protective layer to prevent them from...
Mechanical fuse and method of manufacturing the same
An inexpensive mechanical fuse having a high fatigue limit ratio and high rupture reliability, and superior in forming performance, and a method of manufacturing...
Semiconductor dynamic quantity sensor
A capacitance type semiconductor dynamic quantity sensor includes a substrate having a support layer and a semiconductor layer mounted on the support layer, a...
Heat-radiation type flow sensor
In a heat-radiation type flow sensor, a heater resistor is connected to a fixed resistor in series with a transistor. An electrical potential between the heater...
Method for making stator of rotary electric machine
A rotary electric machine has a stator core and a winding. The winding has a plurality or sub-winding sets which are mounted on the stator in the order. Each of...
Electric control unit
In a electronic control unit, a computer is operable based on a first power supply voltage output from a power supply circuit. The computer executes a fault...
On-vehicle electronic control apparatus with timer-based power supply
An auxiliary circuit continuously executes a timer counting operation under a condition that electric power is directly supplied from a vehicle battery to the...
Electric power steering system having failure detection apparatus
An electric power steering system comprises a three-phase brushless DC motor, a steering torque detector, a resolver for detecting a resolver rotation angle of...