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Sample and hold circuit, multiplying D/A converter having the same, and
A/D converter having the same
A sample and hold circuit includes an op-amp, inverting-side capacitors, and non-inverting-side capacitors paired with the inverting-side capacitors. At least...
Bus switch and electronic switch
A bus switch for connecting and disconnecting a bus connection provided by a pair of buses includes a first switching element and a second switching element. The...
A dial controller includes a dial, a displacement converter for converting a rotational displacement caused by a rotation operation of the dial to an axial...
Method for manufacturing SiC semiconductor device
A method for manufacturing a SiC semiconductor device includes: preparing a SiC substrate having a (11-20)-orientation surface; forming a drift layer on the...
Electronic device including printed circuit board, connector and casing
An electronic device includes a printed circuit board, a connector mounted on the printed circuit board, a casing, and a sealing member. The casing houses the...
Bearing having cylindrical member connected to outer member of bearing
A bearing according to the present invention includes a cylindrical member formed on and around an outer member of a usual bearing. To firmly connect the...
Butterfly valve with flow straightening
A butterfly valve comprises a valve shaft placed across a flow passage and a plate-like valve element provided on the valve shaft so as to be rotatable about the...
Power steering apparatus having failure detection device for rotation
A power steering apparatus has a steering power assisting system coupled to tire wheels and a variable gear transfer system coupled to a steering wheel. The...
Fuel feed apparatus
A feed pump pumps fuel from a fuel tank. A filter portion includes a filter element for removing foreign matter contained in the fuel discharged from the feed...
Variable valve timing apparatus with reduced operation sound and control
In a variable valve timing apparatus in which a phase of an intake valve is changed at an amount of change according to a rotational speed of relative rotation...
Load detecting sensor and collision detecting sensor using the same
A load detecting sensor includes a first member, a second member, and an optical fiber. The first member has a groove having a bottom portion and a column...
Angular velocity sensor device
An angular velocity sensor device includes a structure having an angular velocity detecting element and a vibration body formed thereon. The structure is mounted...
Method for detecting malfunction of a cooling system based on detected
A method for detecting a malfunction of a cooling system of an internal combustion engine, comprising: detecting a coolant temperature on a side of the engine;...
Air-fuel ratio control device of internal combustion engine
A dead time in the case where an output of an air-fuel ratio sensor changes in a lean direction and a dead time in the case where the output changes in a rich...
Vehicle communication method and system, function identifying system, and
electronic control unit
In a vehicle communication system, a first identifier is uniquely assigned to at least one function for vehicle control, the at least one function is installed...
An audio-integrated apparatus has a body casing attached in an instrument panel of a vehicle. The body casing contains a media reader, a circuit board having a...
Method for controlling delay time of pulse delay circuit and pulse delay
An inverter circuit configuring a delay unit is a so-called CMOS transistor including a PMOS transistor and an NMOS transistor, of which respective gates are...
Workpiece transfer apparatus
A workpiece transfer apparatus is provided for transferring workpieces throughout an entire transfer path. A workpiece is transferred along a production line and...
Variable valve timing system and method for controlling the same
An intake valve phase setting unit sets the target valve phase used in the variable valve timing control based on the engine operating state, and a control...
A refrigeration cycle controls a second evaporator while a first evaporator is operating. The refrigeration cycle of the present invention makes a differential...
Switching device and related operating method
A switching device 30 and a related operating method are disclosed for generate a train of drive pulses under a basic pattern for a repetition cycle time T. The...
Pedestrian collision detection apparatus and pedestrian protection system
A pedestrian collision detection apparatus includes a bumper sensor, an acceleration sensor, a vehicle speed sensor, and a controller. The controller calculates...
Electronic throttle device and method of manufacturing the same
An electronic throttle device includes a throttle body, a bulge, and a ring. The throttle body includes a bore part having an approximately cylindrical shape....
Starter with reliable fulcrum supporter supporting fulcrum portion of
A starter includes a motor, an output shaft, a pinion gear, a lever, a lever actuator, a supporting frame, and a fulcrum supporter. The motor includes a rotation...
Ignition switch device
An ignition switch device is provided with a switch having a key hole allowing a regular ignition key K to be inserted thereinto, and capable of being...
Fluid pump having expansion device and rankine cycle using the same
A complex fluid machine has an expansion-compressor device, a pump, and a motor generator. The expansion-compressor device, the pump, and the motor generator are...
When a vehicle deviates from a guide route at a first branch point, the state of the first branch point is memorized. Afterward, when a second branch point...
Electronic device and program for displaying map
When a guiding route is included in a display target region at a photograph display mode, route data of the guiding route is also read. Within the read route...
Driving position adjusting system
A driving position adjusting system automatically adjusts a driving position in a second vehicle appropriately to a target user based on a driving position in a...
Multi-layer substrate having conductive pattern and resin film and method
for manufacturing the same
A multi-layer substrate connecting to an external electric device includes: a plurality of resin films; and a plurality of conductive patterns. The resin films...
Electronic component mounting structure
An electronic component mounting structure includes a board and an electronic component mounted on a surface of the board. The board includes lands. The...
Optical multilayer mirror and fabry-perot interferometer having the same
An optical multilayer mirror of a Fabry-Perot interferometer includes a reinforcing section provided as a side wall of each of second and fourth high...
A navigation system having a camera captures a front view image for guiding a driver of a vehicle to a destination. A portion of the front view image is...
Starter including electromagnetic switch with protective cover for
According to the invention, a starter includes a motor and an electromagnetic switch. The electromagnetic switch includes a switch case, a movable contact, a...
Control signal generating circuit enabling value of period of a generated
clock signal to be set as the period...
A pulse signal circulates around a ring of delay elements with respective traversal signals being thereby successively outputted from the delay elements. The...
Apparatus for calculating quantity indicating charged state of on-vehicle
An apparatus is provided to calculate a quantity indicating a charged state of an on-vehicle battery. The battery powers a starter starting up an on-vehicle...
Raindrop quantity sensing apparatus and wiper control system having the
A change computing arrangement computing an amount of change in a measured value of a measurement signal of a raindrop sensor in a raindrop quantity sensing...
Rotor position detection circuit and motor driving device
A rotor position detection circuit detects a position of a rotor in a motor from a detection signal of an induced voltage generated in a stator coil. The circuit...
Piezoelectric actuator drive device
In a piezoelectric actuator control device for controlling operation of one or more piezoelectric actuators, when receiving a drive signal of a low level, a...
Silicon carbide semiconductor device
The SiC semiconductor device includes a substrate of a first conduction type made of silicon carbide, a drift layer of the first conduction type made of silicon...
Optical information reading apparatus
In an optical information reading apparatus, a pickup unit has a predetermined reading position, and is configured to optically pickup information of a target...
Flow control valve
A spool valve is movably provided in a valve sliding space of a valve casing. The spool valve has a through-hole formed in the inside thereof, and a...
Ultrasonic sensor and manufacture method of the same
An ultrasonic sensor is provided with a substrate unit where a thin-walled portion is arranged and a piezoelectric oscillator which is formed at the substrate...
Cooling apparatus of a fuel cell vehicle
A cooling apparatus of a fuel cell vehicle in which a cooling efficiency of a fuel cell cooling heat exchanger located downstream of an air conditioner external...
Control system for internal combustion engine
A control system for an internal combustion engine includes an exhaust gas purifying device, an exhaust gas temperature sensor, and temperature estimating...
Power conversion circuit, driving method and drive unit thereof
A power conversion circuit capable of varying an output voltage within a range from a negative voltage lower than a ground voltage to a positive voltage higher...
Method for detecting interference in radar system and radar using the same
A method for detecting an occurrence of interference between a return of a radar wave which has been transmitted by a radar and has an oscillating amplitude in...
Method of inspecting electronic circuit
A method of inspecting an electronic circuit that includes a first integrated circuit and a second integrated circuit formed on a circuit board. The first...
Apparatus for controlling power generation for vehicle
An apparatus for controlling generation of power to be generated by a generator driven by an engine mounted on a vehicle equipped with an electrical load...
Multiple power supply apparatus with improved installability
In a multiple power supply apparatus installed in a vehicle, a first power supply system includes a generator and a first battery. The generator is driven by an...