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Switching circuit and driving circuit for transistor
A switching circuit includes: a transistor having a first electrode, a second electrode and a control electrode; a zener diode; and a capacitor. A connection...
Abnormal condition detecting system for engine
In an abnormal condition detecting system, an electronic control unit determines that a condition for carrying out a process for detecting an abnormal condition...
Gas concentration detection apparatus having function for detecting sensor
element activation status
A gas concentration detection apparatus includes a series-connected combination of a sensor element and a resistor, with an AC voltage being applied to one of...
Rotation angle detecting device with a selecting means for selecting a
pair of output signals of the...
A rotation angle detecting device includes a magnetic field forming member, magneto-sensing IC circuit including first and second sensing sections in a magnetic...
Automotive alternator having improved structure for effectively cooling
According to the present invention, an alternator includes a rotor, a stator, and at least one cooling fan. The rotor includes a rotary shaft, a field core, and...
Dynamic quantity sensor
A dynamic quantity sensor includes a sensor chip having a movable portion at one surface side thereof and a silicon layer at another surface side thereof. The...
Image sensor and control method of the image sensor
An image sensor has plural array blocks B1 to B20 arranged in a two dimensional (2D) arrangement. Each array block has a sub array and a corresponding analogue...
Semiconductor device having impurity-doped resistor element
Resistor elements are formed by doping impurity into a single crystal film formed on a substrate such as a silicon-on-insulator substrate. A semiconductor device...
Fuel cell system, related method and current measuring device for fuel
A fuel cell system, control method and current measuring device for a power unit are disclosed. The fuel cell system includes a fuel cell having local areas, a...
Pedestrian protecting apparatus for vehicle
A pedestrian protecting apparatus is provided with a pedestrian protecting unit which is mounted at a hood of a vehicle to protect a pedestrian in a collision...
Knocking state determination device
An engine ECU executes a program including the steps of: calculating a correlation coefficient K based on the result of comparing a vibration waveform of an...
Throttle control apparatus and method for throttle control
A throttle control apparatus includes a valve. A motor is provided for generating driving force to rotate the valve. Gears transmit the driving force to the...
Valve timing controller
A valve timing controller has a shaft body as an output rotor, a torque generating system which generates the controlling torque outputted from the shaft body,...
Valve timing adjusting device
In a valve timing adjusting device, a support section of a planetary carrier supporting a planetary rotator to enable sun-and-planet motion is located on an...
Knocking determination device for internal combustion engine
An engine ECU includes a bandpass filter (1) extracting only vibrations at a first frequency band A, a bandpass filter (2) extracting only vibrations at a second...
Heat exchanger module
A heat exchanger module includes a condenser for condensing a refrigerant, a modulator, a sub-cooler for cooling liquid refrigerant supplied from the modulator,...
External combustion engine
An external combustion engine provided with a plurality of evaporators and stabilized in output and efficiency, that is, an engine provided with at least one...
Information reading apparatus with a screen for displaying stored symbol
An information reading apparatus such as a handheld personal device comprises a memory having a plurality of cells arranged in a two-dimensional array of rows...
Interface device, inferring system, and visual expression method
When a start key is operated, an inferring process of estimating a demand of a user is executed on the basis of preset situation data, a user profile, and...
External temperature display control algorithm
A method of controlling an initial external temperature display in a vehicle may include comparing an ignition-off time with a first threshold and displaying a...
Navigation device having route guidance to parking spot close to border
A navigation device mounted on an automotive vehicle includes geographical map data, a position detector such as a global navigation system and a device for...
Control apparatus for internal combustion engine
An electronic control unit executes a delay control and a load compensation control. In the delay control, the period from when an engine stop request for an...
Ellipsoid detecting method, figure center detecting method, image
recognizing device, and controller based on image
A method for detecting an ellipsoid includes: extracting an ellipsoid candidate; extracting an ellipsoid contour; calculating an ellipsoid parameter; calculating...
Electronic package encapsulating electronic components therein
An electronic component unit including a metallic member and an electronic component, such as a semiconductor element, mounted on the metallic member is...
Electronic circuit device and method of making the same
A method of making an electronic circuit device includes preparing an electronic element having at least one projection, mounting the electronic element on only...
A waterproof case for housing an electronic component includes a case member that has a plurality of breathing holes, and a breathable waterproof filter fitted...
Vehicle start inhibition system using a cell phone and position detection
A vehicle moves to and remains in an out-of-cellular coverage area for a long time period. As long as the vehicle is located within a specified range from a...
Motor control apparatus
Presence/absence of a failure in a feedback control system of a motor is monitored. When a failure is detected in the feedback control system, the motor is...
Trench gate type semiconductor device
A semiconductor device includes: a first semiconductor layer; a second semiconductor layer on the first semiconductor layer; a third semiconductor layer on the...
Semiconductor device having LDMOS transistor and method for manufacturing
A semiconductor device includes: a semiconductor substrate having a first semiconductor layer, an insulation layer and a second semiconductor layer, which are...
Power transmission device
A power transmission device (10) comprises a rotatable rotary part (1, 2) to which a rotational drive force is transmitted from a drive source and a power...
Fluid drive unit and heat transport system
The fluid drive unit includes a cylinder communicating with both end portions of a meandering passage formed in the heat transport device. In the cylinder, the...
Pressure sensor and attachment structure of pressure sensor
A pressure sensor comprises: a case; a detection unit attached to one end of the case; a housing member coupled with the one end of the case, the housing member...
Air flow measuring device
An air flow measuring device includes a flow amount sensor for measuring a flow amount of air in a duct, and a tube body for defining a bypass passage in the...
Microcomputer and encoding system for instruction code and CPU
A microcomputer that can process plural tasks time-divisionally and in parallel, wherein one of a plural programs described by one of the tasks is described as a...
Fault detection unit for rotation angle detecting device
A fault detection unit detects a fault occurred in a detecting device which detects a rotational angle of a rotor with respect to a stator from sine and cosine...
Obstacle detection device
Each of plural detection units performs a signal transmission-reception operation responding to at least one of a plurality of kinds of operation timing signals...
Fuel injection control apparatus
The fuel injection control apparatus includes a function of making a determination of whether learning conditions are satisfied to allow a fuel injection amount...
Control apparatus capable of economically and reliably controlling
According to the present invention, a control apparatus for an electric generator includes a power generation cost determiner determining a power generation cost...
Wireless transceiver and method for producing the same
A wireless transceiver includes a mechanical key, a resin case having a hollow space that accepts the mechanical key and a reinforcement for reinforcing the...
Wireless transceiver and method for producing the same
A wireless transceiver includes a resin case having a hollow space that accepts the mechanical key, a mechanical key having a hook for engagement with the resin...
Load driver circuit and ignition device using the same
A protection circuit can be prevented from malfunctioning due to the parasitic operation attributable to the unstable base potential of a transistor. In one...
Target detecting apparatus using electronically agile radar
A target detecting apparatus mounted on a vehicle has an electronically agile radar detecting a beat signal indicating a difference in frequency between...
Vehicle location information notifying system
When searching of a location of a vehicle is commanded, a vehicle search signal is transmitted from a portable device. The vehicle search signal includes an ID...
Turn signal control device for vehicle
In a turn signal control device for a vehicle having an automatic canceling function, a switch operating element is carried on a pivot shaft mounted in a fixed...
In-vehicle device remote control system and method
In an in-vehicle device remote control system, a vehicle-side device determines in which detection area an electronic key exists based on a response signal...
Passenger seat having occupant detector and seat heater covered with
A passenger seat device includes a detector electrode for detecting occupancy of the seat, a seat heater powered by an on-board electric power source, and a...
Rotation angle detecting device
A rotation angle detecting device includes a magnetic member for providing a magnetic field, a magnetic sensor for sensing a change in the magnetic field when...
Commutator motor with brush biased toward initial contact side
A motor includes a rotor, a commutator, a brush, and a bias member. The commutator has a rectifying surface. The commutator rectifies an electric current...
A semiconductor device includes a vertical field-effect transistor having a substrate of first conduction type in a substrate base, a drain electrode formed on a...