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Power supply voltage booster
A power supply voltage booster avoids inadequate step-up capability. In a voltage boosting circuit, a switching device connects and disconnects between the...
Apparatus for carrying out improved control of rotary machine
In an apparatus, a norm setter sets, based on a request torque for a rotary machine and a rotational velocity of a rotor, a norm of a vector of an a output...
Coil wire for coil assembly for rotary electrical machine
A coil wire for a coil assembly of a rotating electrical machine is provided such that sufficient space in braiding is secured when coil-wire-bundles bundling a...
Hybrid-type synchronous machine
A rotor core has permanent magnets. Magnetic flux of the permanent magnet of an even-numbered rotor magnetic pole part is guided in an axial direction by an...
Semiconductor device and method for manufacturing the same
A semiconductor device includes a semiconductor substrate, a cell region, an outer peripheral region, a field plate, an outermost peripheral ring, outer...
Semiconductor device including a plurality of chips and method of
manufacturing semiconductor device
A semiconductor device includes a first chip and a second chip. The first chip includes a first conductivity type channel power MOSFET. The second chip includes...
Illuminated indicating devices for instrument panels
An illuminated indicating device includes a dial plate, a pointer, a first light source, a light guide and a light filter. The first light source emits a beam...
Air-fuel ratio control apparatus
An air-fuel ratio control apparatus is applied to an internal combustion engine including a variable lift mechanism which changes a lift amount of an intake...
Apparatus for controlling variable valve device
A variable valve device modulates movement of a valve for an internal combustion engine by using hydraulic fluid pressure. The variable valve device is...
Electric cooling fan control based on known vehicle load conditions
A method of controlling a cooling fan for an engine of a vehicle may entail determining an engine coolant temperature, providing a normal load operation mode...
Fuel injection controller for internal combustion engine
A common rail type fuel injection system of an engine includes: a common rail for accumulating and holding high-pressure fuel; a fuel pump for pressure-feeding...
Electronic control apparatus
In an electronic control apparatus, a connector mounted on a circuit board accommodated in a casing body constructed with top and bottom casings is partially...
Motor control apparatus
In an automatic transmission position control by a motor, it is determined whether the present instant belongs to a starting period, that is, the present...
Rotary electric system with neutral-point powering system
In a rotary electric system, a controller works to turn high-side and low-side switching elements of first and second multiphase inverters on and off to thereby...
Sensor apparatus for detecting variations in a dynamic quantity while
suppressing detection deviations that are...
A miniaturized sensor such as a micro-accelerometer includes a sensor chip having a sensor element mounted thereon, with the sensor element being oriented with...
Drive control device of fuel pump
A drive control device of a fuel pump for sucking fuel in a fuel tank supplying the fuel to an internal combustion engine, and using a motor with a brush as a...
Centrifugal multiblade fan
A centrifugal multiblade fan according to the present invention sucks air from one end side of an axial direction of a rotation axis to a radial inside, and...
Condenser attachment bracket
A mounting arrangement for a heat exchanger in a vehicle includes a bracket having a main body. A first portion is secured to the heat exchanger and a second...
Ignition coil for internal combustion engine
A housing of an ignition coil has an approximately rectangular shape. A central core is in parallel with both side surfaces of the housing. The peripheral core...
Valve timing adjusting apparatus
A valve timing adjusting apparatus includes a first rotor, a second rotor, and a bias mechanism. The bias mechanism is provided to one of the first and second...
Electronic device and program for operating the same
A navigation device realizes such processing as map display and route guidance based on map data stored in a memory card. The data in the memory card tends to...
Noise cancellation system, speech recognition system, and car navigation
A noise cancellation system with improved performance for canceling from an input signal of a microphone a noise component relating to reproduced sound of an...
Driving evaluation system and server
Travel information of a target vehicle is stored in time sequence and, on the basis of the travel information and pre-stored travel information of a...
Fuel injection controller and diagnosis method of fuel supply system
A fuel injection controller (incorporated in an engine control ECU) for controlling an injection operation of an injector has a program for executing injections...
Electronic control units for controlling in-vehicle devices using
time-dependent data and vehicle control...
An electronic control unit is incorporated as one of a plurality of electronic controllers composing a system for controlling in-vehicle devices on a...
Handsfree apparatus for vehicle
A cellular phone receives an incoming call from a communication network in a state where an in-vehicle navigation apparatus cannot execute a handsfree control...
Ultrasonic sensor with piezoelectric elements and vibration isolator
An ultrasonic sensor includes a transmitting device, receiving devices arranged in an array, and a circuit device. One receiving device is configured as a...
Passive matrix type display device
A passive matrix type display device includes: a display unit having a display area; first electrodes on the area for switching between a conductive state and a...
Audio system and navigation device
An audio system for a vehicle includes: a hard disk drive for storing an audio data; an output element for converting the audio data to an electric signal and...
Sleep warning apparatus
A sleep warning apparatus includes a stimulation generating portion, a reaction detecting portion, a warning determining portion, and a warning generating...
System for recommending maintenance for fuel economy improvement
A method of optimizing fuel economy and carbon dioxide emissions of a vehicle may entail utilizing an interior vehicle display to alert a driver as to the state...
Automotive display device showing virtual image spot encircling front
A display device of the present invention is mounted on an automotive vehicle. An obstacle located in front of the vehicle is detected by a camera, and its...
Portable-terminal holder and radio communication system
A portable-terminal holder for holding a portable terminal that has a rechargeable battery and a first radio communication device is constituted by a base and c...
Peak voltage detector circuit and binarizing circuit including the same
A peak voltage detector circuit detects a peak voltage of an input voltage. The input voltage is input into a first input terminal of a comparator. A counter...
Stator for rotary electric machine and rotary electric machine using same
The wire 30 forming the stator winding 20 includes the in-slot portions 40 to be disposed in the slots 14 and 15 of the stator core 12 and the turned portions...
Electric rotating machine
The electric rotating machine includes a rotor around which a field coil is wound, and a stator including a stator core around which an armature winding is...
Semiconductor device having heat radiating configuration
A semiconductor device and a method of manufacturing the same are disclosed. The semiconductor device includes: a casing, a board and a semiconductor chip. The...
Compressor with thrust bearing having insular pressure- receiving portions
on sliding surface and diamond-like...
A scroll compressor (11) comprising a thrust bearing (53) including a first sliding surface (100) and a second sliding surface (101) in opposed relation to the...
A fuel pump includes a rotatable impeller having a plurality of blades and blade ditches on the periphery thereof, a motor section for driving the impeller, and...
Side collision detecting apparatus for vehicle
A side collision detecting apparatus includes a pressure sensor disposed in a side door of a vehicle and including a diaphragm for detecting a pressure in the...
Electric spool valve
A sleeve has an input port, an output port, an insertion hole, and only one discharge port. A spool is axially slidable through the insertion hole to...
Fuel injection pump
A low-pressure pump portion pumps fuel from a fuel tank. A pressure regulating valve controls pressure of fuel discharged from the low-pressure pump portion. A...
Surface acoustic wave pressure sensor
A sensor chip has a substrate and a comb-teeth electrode arranged on the substrate. The sensor chip is fixed to a diaphragm structure to be distorted by...
Cap member for covering sensor unit
A cap member for covering a sensor unit such as a rotational speed sensor is composed of a cylindrical wall, a thin bottom wall and an open end to be closed...
Semiconductor sensor having heater on insulation film and manufacturing
method of the same
A sensor includes: a silicon substrate having a hollow portion, which is arranged on a backside of the substrate; an insulation film disposed on a front side of...
Device and method for controlling ignition timing of internal combustion
An engine ECU executes a program that includes: calculating a median value and a standard deviation based on a calculated value based on the detected vibration...
In-vehicle apparatus with radio transmission restricting function and
radio transmission restricting system
An in-vehicle apparatus determines in the vicinity the presence of a portable terminal designated with a device requiring restriction on radio transmission as a...
Multilayered piezoelectric element and method of producing the same
A multilayered piezoelectric element and a method of producing the multilayered piezoelectric element are disclosed. The multilayered piezoelectric element is...
Rotor for automotive alternator having mechanism for positioning magnetic
A rotor for an automotive alternator includes a rotary shaft, first and second magnetic pole cores each having a plurality of magnetic pole claws, a bobbin, a...
Engine start control system having failsafe arrangement
An engine start control system for a vehicle includes a first switch with which a user operates to start the engine, a second switch, a third switch, a brake...