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Sintered plunger and production method therefor
A sintered plunger is used for electromagnetic actuators. The sintered member includes: an outer member composed of a soft magnetic material and having an inner...
Spark plug requiring low discharge voltage and having high self-cleaning
A spark plug according to the present invention includes a metal shell, an insulator retained in the metal shell, a center electrode secured in the insulator,...
The stator of the vehicle-mounted alternator includes a stator core formed with a plurality of slots located along a circumferential direction thereof, and first...
A sensor device includes a board, a sensor element and a resin member made of resin. The sensor element has a displace part to be displaced in a predetermined...
Silicon carbide semiconductor device and method for manufacturing the same
A silicon carbide semiconductor device includes: a semiconductor substrate having a silicon carbide substrate, a first semiconductor layer, a second ...
Semiconductor device having three-dimensional construction and method for
manufacturing the same
A semiconductor device includes: a silicon substrate; and a silicon oxide film disposed on the silicon substrate. The silicon oxide film includes a part, which...
Temperature detecting device
A temperature detecting device includes a heat receiving plate, a displacement transmitting part, a deforming part, a deformation generating part and a...
Steering control system
A steering control system includes a steering wheel and a steering shaft with upper and lower shaft portions. Steering shaft torque of the lower shaft portion...
Air conditioner for vehicle
An air conditioner for a vehicle includes a housing for defining an air passage, and the air passage has a main passage and first and second separate passages...
Fluid control valve
A fluid control valve includes a housing defining therein a fluid passage. The fluid control valve further includes a valve member for controlling a fluid flow...
Physical quantity sensor
A physical quantity sensor for detecting a physical quantity includes: a first substrate having a first physical quantity detection element; a second substrate...
Ultrasonic sensor having transmission device and reception device of
An ultrasonic sensor for detecting an object includes: a substrate; a transmission device for transmitting an ultrasonic wave; a plurality of reception devices...
Physical quantity sensor having optical part and method for manufacturing
A method for manufacturing a physical quantity sensor having a movable portion, a support portion and an optical part is provided. The method includes steps of:...
An airbag ECU includes a communication bus connection circuit for connecting communication buses to communication circuits. A central control circuit connects...
System for operating device using animated character display and such
A system for operating an electronic device enabling the same agent software to be used in common among a plurality of devices, where a car navigation system or...
Vehicular navigation system
With respect to a connection road linked with a rotary included in a guidance route, a vehicular navigation system acquires a dummy link that is defined to...
Smart unlock control by vehicle location
A remote vehicle access system for a vehicle comprises a navigation module that determines a location of the vehicle. A vehicle control module receives an unlock...
System for measuring physical relationship between vehicle and object
In a radar system installed in a vehicle, a first measuring unit measures a first physical relationship between the vehicle and a first object based on a...
A motor controller includes an inverter circuit, a speed detector, an amplifier, a voltage detector, and an offset voltage addition circuit. The inverter circuit...
Insert molding dial structure
A vehicle instrument cluster gauge may have a dial plate with an inner dial, an outer dial, indicia and graduations. The graduations may originate on a dial...
Three dimensional image illumination for instrument gauge
In one configuration, a gauge of an instrument cluster may have a base structure with an integrally molded dial structure and a separate, attached dial...
Fuel injection controller and fuel injection control system
A fuel injection controller (engine control ECU) controls a fuel injection mode of an engine having cylinder pressure sensors in all of four cylinders for...
A pressure sensor comprises: a case body including a pressure introduction port; a sensor chip including a top surface, a bottom surface, a sensing member...
The pressure sensor of the type having a pressure transmitting member transmitting a pressure received by a pressure-receiving diaphragm to a sensor chip is...
High pressure control valve
A high pressure control valve is arranged in a refrigerant passage formed from an internal heat exchanger to an evaporator 4 in a refrigerating cycle of CO.sub.2...
Vapor compression refrigerating apparatus
A vapor compression refrigerating apparatus comprises a refrigerating cycle for performing a cooling operation of an automotive air conditioning system, a...
Activation signal output circuit having multiple amplifier circuits
With a capacitor C inserted in an interstage portion of multiple stages of amplifier circuits, a high pass filter is generated by the capacitor C and an input...
A semiconductor switch interrupts output when a microcomputer or an external IC operates abnormally is connected to a control device such, and is turned on or...
Method of controlling DC-to-DC converter whereby switching control
sequence applied to switching elements...
In a DC-to-DC converter which can convert DC power supplied to a first voltage system circuit, having first and second switching elements, to DC power at a...
Radio communication module to be installed on vehicular license plate
A radio communication module to be installed on a license plate of a vehicle has a module body and a removal protector. The module body is provided with a memory...
In an electromagnet switch, a stationary iron core is composed mainly of a base part and a disk part. The base part is faced to a plunger and the disk part is...
Output circuit and operational amplifier
An output circuit comprises first and second transistors, a driving circuit and a current mirror circuit. The driving circuit supplies a relatively small...
An alternator comprises: an output rectifier converting AC voltage produced in an output armature winding into DC and supplying the DC electric power to a...
On-vehicle belt-driven alternator
An on-vehicle alternator is disclosed having a rotor driven by an engine via a belt, a stator having armature windings to generate electromotive forces in...
Torque detecting apparatus
Magnetic pole nails 51, 51 . . . aligned on magnetic yokes 5, 5 that integrally rotate with the second shaft 2 are formed in a rectangular shape, and the...
Engine knocking detection apparatus which adjusts passband of sensor
signal bandpass filter in accordance with...
In an engine knocking detection apparatus that receives a knocking sensor signal expressing vibration in an internal combustion engine and performs bandpass...
A user selects as a guide route a route from among multiple routes retrieved under respective predetermined retrieval conditions. A retrieval condition under...
Imaging apparatus for vehicles
A vehicle is provided with a plurality of imaging cameras for imaging the front left side, front right side, rear left side, rear right side and rear side....
Engine control apparatus
An engine control apparatus comprised of an engine control ECU has a program preloaded therein for determining a combustion rate (actual combustion rate)...
Optical device having micro lens array
An optical device includes a semiconductor substrate and an optical part having a plurality of columnar members disposed on the substrate. Each columnar member...
The radar apparatus includes a transmit/receive section having a function of emitting a transmission wave, receiving the transmission wave reflected from a...
Anti-theft system for vehicle
An anti-theft system for a vehicle includes schedule taking means for taking a usage schedule of the vehicle, wherein the usage schedule of the vehicle includes...
Control system for controlling output of power generator
In a control system for controlling a power generator based on a command value associated with a control parameter, a receiver receives the command signal, a...
Discharge lamp apparatus
In a discharge lamp apparatus for lighting a discharge lamp, a ballast is disposed outside of a lamp housing of a discharge lamp and is electrically connected to...
Stacked piezoelectric element and production method thereof
A stacked piezoelectric element obtained by alternately stacking a piezoelectric ceramic layer and an electrode layer, wherein said electrode layer mainly...
Vehicle-use AC generator having rear cover formed to prevent intrusion of
foreign matter into vicinity of slip...
The rear cover of a vehicle-use AC generator is integrally formed with a portion that is shaped to enclose at least a part of a circumferentially extending...
When a driving signal changes from L level to H level, a switching circuit is turned on. Then, a gate current flows from a booster circuit to MOSFET through the...
Power supply control system
A power supply control system for a vehicle includes a supply line system, a first electric generating means, a second electric generating means, and a control...
Method and apparatus for controlling charging operations for battery
An apparatus controls a state of charge (SOC) of a battery mounted on a vehicle provided with an internal combustion engine driving a generator mounted on the...
Electronic unit with a substrate where an electronic circuit is fabricated
In an electronic unit with a substrate, a control circuit is mounted on the substrate and is configured to execute an operation related to a load. A package...