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Electric power conversion circuit, and control device for multiphase
electric rotary machine
An EPC connected between a three phase motor and a battery fixes a voltage of the V phase of the three phase motor to a voltage potential of a positive...
Chopper control system for rotary machines
A control apparatus is to drive a power converter. The power converter has a power supply unit, a switching member electrically connected to the power supply...
Control system for multiphase rotary machines
In a control system designed to use a plurality of voltage vectors expressing a switching mode for a switching circuit to thereby control a difference between a...
Light apparatus control system for vehicle
A control unit determines whether a vehicle has entered an area under a covering object that covers the upper side of the vehicle. In the case where the control...
Silicon carbide semiconductor device and manufacturing method of the same
A SiC semiconductor device includes: a substrate; a drift layer on a first side of the substrate; a trench in the drift layer; a base region contacting a...
A semiconductor device includes: a semiconductor substrate; a vertical type trench gate MOS transistor; a Schottky barrier diode; multiple trenches having a...
Easily assembled cooler
A cooler capable of reducing the fabrication cost is provided. In the cooler, in which electronic parts 6 are held between neighboring tubes 1, each of the...
Engine control system
In an electronic throttle control system, a target intake pipe pressure as well as a presumed value for the intake pipe pressure is calculated, so that a...
Physical quantity sensor device and method of manufacturing the same
A physical quantity sensor device (10) having a structure in which a stress-sensitive body (1) of which the electric characteristics vary depending upon the...
Knock detection device and knock detection system diagnosis device
An output signal of a knock sensor is converted by an A/D conversion part in a specified knock determination range. In a time-frequency analysis part, data of...
Air conditioning case and drain for condensate removal
An air conditioning case houses an evaporator for an air conditioning system and a blower unit. A drainage hole for water that condenses on the evaporator is...
Exhaust purification device
An exhaust purification device increases temperature of a particulate filter by at least one of a first temperature increase device and a second temperature...
Periodic signal processing apparatus
A signal processing apparatus for processing a periodic signal outputted from a signal source has a central processing unit and a task switch timer. The central...
Device and program product for controlling map display
An automobile navigation system determines whether or not the relevant vehicle is traveling and whether or not routing assistance is being provided. When the...
Navigation apparatus and program storage medium
A navigation apparatus mounted in a subject vehicle designates an inference destination point based on historical data and calculates a reference route to the...
Control device and control system of internal combustion engine
An internal combustion engine control device has a cylinder pressure sensor for sensing pressure in a combustion chamber and a fuel pressure sensor for sensing...
Vehicle travel speed control method
A vehicle speed control method calculates a present value KdB_c(a)_p of a corrected evaluation index of approach/separation condition by the following equation,...
Electric power generation control apparatus for vehicle and electric power
generation control system equipped...
An electric power generation control apparatus mounted to a motor vehicle predicts an operational point of an internal combustion engine in the future based on...
In-vehicle handsfree apparatus
An in-vehicle handsfree apparatus connects a handsfree profile (HFP) with a cellular phone, and then connects a service discovery profile (SDF) with the...
Piezoelectric actuator driving device and method
A driving device for a piezoelectric actuator supplies charges and discharges the piezoelectric actuator through a charging switch and a discharging switch,...
Exposure control apparatus and exposure control program for
vehicle-mounted electronic camera
In an exposure control apparatus for a vehicle-installed camera which captures images of an external scene ahead of the vehicle as arrays of picture elements, a...
Device for estimating information on target object
A target object information estimating device embodied by an electronically agile radar sensor is mounted in a moving vehicle. The device has a unit outputting...
Speed limit announcing device, method for announcing speed limit, and
computer program product for the same
A speed limit announcing device for a vehicle includes: an information obtaining element for obtaining information of a speed limit of a following road, wherein...
Degradation determination device for heater of gas sensor and method for
diagnosing the heater
A sensor element detects exhaust gas emitted from an internal combustion engine. A heater is supplied with electricity from a power source so as to heat the...
Alternating-current motor control apparatus
When a rectangular wave voltage control mode is selected, a control apparatus estimates the output torque of an alternating-current motor based on the outputs...
Voltage step-up/down converter
A motor control apparatus includes a step-up/down converter and an inverter. The converter includes a coil, MOSFETs, capacitors and a control circuit. The...
Semiconductor device, method for manufacturing the same, and multilayer
substrate having the same
A method for manufacturing a semiconductor device includes: preparing a wafer formed of a SOI substrate; forming a circuit portion in a principal surface...
Active material and a secondary battery using the active material
An active material for a secondary battery has excellent large current charge-discharge characteristic and a high energy density. The secondary battery is...
Air duct for vehicle air conditioning and air conditioner for vehicle
An air duct for vehicle air conditioning, includes a duct body defining a passage, and a passage dividing wall for dividing an interior of the duct body into a...
Variable valve timing control apparatus for internal combustion engine
A variable valve timing control apparatus for an engine includes a variable valve timing unit, a lock pin, a hydraulic control unit, and a lock control unit....
A physical sensor includes: a substrate having a silicon layer, an oxide film and a support layer; and a sensor portion having movable and fixed electrodes and...
Exhaust emission control device
An exhaust emission control device reduces nitrogen oxide in exhaust air from an engine. The device includes an exhaust pipe, a catalyst, a supply device, a NOx...
Voice recognition apparatus and navigation apparatus
A voice recognition apparatus recognizes speaker's voice collected by a microphone, determines whether a telephone number is grouped into categories based on an...
Communications network of passenger protection system
A communications network for a passenger protection system of a vehicle has an electronic control unit and a plurality of sensors, which is bus-connected to the...
Eye condition detection apparatus and method for installing same
A driver's eye condition detection is conducted by an eye condition detection apparatus including a right/left near-infrared light sources, a camera and an ECU...
Housing for in-vehicle electronic control unit
A box-shaped housing of an in-vehicle electronic control unit that controls an occupant crash protection system is installed to an installation surface of a...
Display apparatus for displaying virtual image to driver
A display apparatus has an image display unit that displays a virtual image by projecting an image light to a windshield, and an obstacle detector that detects...
Radar with non-uniformly spaced antenna array
In a radar with a non-uniformly spaced antenna array, an extractor estimates a number of arrivals of echoes to the antenna array. A setter sets a number of...
Tire inflation pressure detecting apparatus capable of triggering only
selected transceiver to perform task
A transceiver includes a receiver, a signal strength determiner, and a controller. The receiver receives a trigger signal transmitted by a triggering device;...
A linear solenoid has a first magnetic pulling portion for attracting a forward end of a plunger in a forward direction. The linear solenoid further has a...
Electromagnetic relay for starters
Terminal-bolts and a fixed contact are formed with different kinds of metals, and fixed to a fixing hole formed in the fixed contact by press fitting one end of...
Capacitive occupant sensor
A capacitive occupant sensor includes a sensor mat having U-parts arranged in a first direction and, a second direction perpendicular to each other. The U-parts...
An operation lever comprises a main section, a cover section and a photoconductor. While the photoconductor is overlaid on the main section, sliding protrusions...
Laminated multi-layer circuit board
Plural thermoplastic resin films, each having a circuit pattern formed thereon, are laminated. Via-holes filled with conductor paste are formed in the...
Physical quantity sensor device and method for producing the same
A circuit board is mounted on a package via an adhesive agent as an elastic member. A sensor element is stacked in fixed relation onto the circuit board. The...
Aluminum alloy brazing sheet having high-strength and production method
An aluminum alloy brazing sheet having high strength comprising: a core alloy; an Al--Si-based filler alloy cladded on one side or both sides of the core alloy,...
Display panel, method for producing the same and composition of ink used
by the method for producing the same
A display panel has a resin substrate and a printed layer formed on at least a part of the resin substrate through inkjet printing. The printed layer is formed...
Fin inspection method of a heat exchanger
A fin inspection method comprising a step of having an imaging device capture an image of the core and inputting into an image processing device the image data...
System and method for removing foreign particles from semiconductor device
A vibration device separates foreign particles from a semiconductor device, and a suction interface of a suction device covers an opening portion of the...
Controlling device and method of estimating valve opening for internal
A controlling device for an internal combustion engine includes an estimating portion to calculate an estimation value relative to an open degree of a valve...