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Environmental test method and system
In an environmental test system for controlling a temperature environment of a member to be tested at least from a low temperature environment to a high...
Voltage detecting apparatus applicable to a combination battery
A voltage detecting apparatus for a combination battery includes a multiplexer type flying capacitor voltage detecting circuit, a synchronous control type A/D...
Rotation angle detecting device
A rotation angle detecting device includes a magnet (4), a magnetic substance unit (5), and a non-contact magnetic detection element (7). The magnet (4) rotates...
Rotation detecting device
A rotation detecting device includes a rotary member having teeth, a biasing magnet, a magnetic sensor unit and a differential amplifier circuit for providing an...
Vehicle AC generator apparatus having improved generator control apparatus
A vehicle AC generator apparatus includes one or more rectifier elements for rectifying a generated AC voltage, and a generator control apparatus which monitors...
Brushless rotary electric machine having tandem rotary cores
A brushless rotary electric machine includes a stator having an annular armature core with first radial teeth at the outer periphery thereof and second radial...
Alternator for a vehicle
In a side-mount type vehicle alternator, the mounting faces of a larger stay and a smaller stay are arranged such that the fictive line, which runs through the...
Object detection apparatus for a vehicle
An object detection apparatus for a vehicle includes a light emitter covered with an emission window, a light receptor covered with a reception window, a defect...
Corrosion resistance structure of ceramic heater and gas sensor equipped
A ceramic heater is provided which may be employed in a gas sensor. The ceramic heater includes a heating element disposed inside a ceramic body, a connector...
Method of manufacturing silicon carbide semiconductor device
An insulating film (2) is formed on a semiconductor substrate (1) formed of silicon carbide. A contact hole (3) is formed in the insulating film (2) to expose a...
Method for manufacturing magnetic sensor
Magnetoresistive devices are formed on the insulating surface of a substrate made of silicon. The devices are connected in series through an insulating film...
Mechanical fuse and production method for the same
A mechanical fuse has further improved and stabilized fatigue limit ratio, and can obtain high reliability under a using condition in which cyclic loading is...
Contact structure for connector array and electronic appliance having the
A contact structure for electrically connecting a spring-loaded connector array and a pad array, the spring-loaded connector array having a plurality of...
Split-type stator core winding device
A split type stator core winding device which can continuously form windings on each of divided core elements assembled in a single stator core having a small...
Brazed condenser jumper tube
A jumper tube assembly for a heat exchanger includes a first connector block having an attachment portion engaged to the heat exchanger, an outlet and an inlet...
Exhaust gas heat exchanger
An exhaust gas heat exchanger has a tank, laminated exhaust gas tubes where the exhaust gas flows, a cooling water inlet pipe and a cooling water outlet pipe....
Engine starter having starter motor
An engine starter includes a starter motor which has an armature, a series-wound field coil and a parallel-wound field coil and a short-circuiting unit for...
Valve timing controller
A valve timing controller of a motor utilizing type has a control circuit for generating a control signal, and a driving circuit for turning-on and driving the...
Liquid level sensor switch
A liquid level sensor-switch capable of effectively reducing variations in levels detected depending on directions in which it is inclined. The sensor-switch has...
Super-critical refrigerant cycle system and water heater using the same
In a heat-pump water heater with a super-critical refrigerant cycle, a valve open degree of a decompression valve is controlled to control a pressure of...
Exhaust gas cleaning system of internal combustion engine
An exhaust gas cleaning system of a diesel engine includes a diesel particulate filter (a DPF) disposed in an exhaust passage, and a diesel oxidation catalyst (a...
Apparatus and method for activating occupant restraint device
An apparatus includes a roll condition detector detecting a roll condition of a vehicle and a lateral acceleration sensor sensing a lateral acceleration of the...
Mobile terminal and program executed therein
A CPU of a mobile telephone can carry out both a standby operation for monitoring an incoming call addressed to the mobile telephone and an image processing...
Gain control device for packet signal receiver
In a gain control device for packet signal receiver, a variable gain amplifier amplifies an input signal with a gain corresponding to a control voltage applied...
Adaptive image processing unit for extracting characteristic portion from
An image area extract unit includes a modeling unit for generating a pixel evaluation model used for extraction, and an extract unit for extracting a...
Method for installing antenna, antenna installation structure, and monitor
A vehicular antenna is mounted on a circuit board in a monitor. The circuit board has a conductor substrate that is used as a ground for the antenna, and it has...
Tire pneumatic pressure monitoring system
Tires of wheels of a vehicle incorporate detectors that detect the pneumatic pressures and transmit them wirelessly to a plurality of receivers installed on the...
Small-diameter ignition coil
A small-diameter ignition coil includes a center core, a primary coil, a secondary coil, and a thin film tube. The primary and secondary coils are arranged on an...
Electromagnetic drive flow controller
An electromagnetic drive has a sliding portion and a stator, the stator forming a magnetic circuit in combination with the sliding portion. The stator has an...
Motor control apparatus for adjusting target rotation speed of motor in
accordance with current condition of...
A motor control apparatus, for controlling an electric motor to move a control object from a current position to a target position, estimates a condition of a...
Heater-equipped air-fuel ratio sensor
A heater is inserted into an inside chamber of a sensor element until a tip end of the heater is surely brought into contact with a bottom surface of the inside...
Starter having structure for preventing overheating
A starter for cranking an internal combustion engine is composed of an electric motor, an output shaft driven by the motor, a pinion gear coupled to the output...
Cooling water circuit system
A cooling water circuit system for an engine includes a radiator bypass passage through which cooling water of the engine bypasses a radiator, a heat exchanger...
In a steam engine having a heating device, a cooling device, and an output device, the output device comprises a piston reciprocally moving by a self-excited...
Fault detecting apparatus designed to detect different types of faults of
A fault detecting apparatus for a gas concentration sensor is provided. The apparatus includes a storage device and a fault detecting circuit. The storage device...
Stacked piezoelectric device and method of fabricating same
To provide a stacked piezoelectric device which is inexpensive and excellent in bonding strength between a piezoelectric layer and an internal electrode layer,...
Method of manufacturing center electrode for spark plug
In a method of manufacturing a center electrode for a spark plug, a core member is press-fitted into a metal cup and, thereafter, a cold-forging process is...
Stick-type ignition coil having improved structure against crack or
A stick-type ignition coil have a central core, a cylindrical member, primary spool, primary coil, secondary spool, secondary coil, outer core and a resin...
Circuit for detecting capacitance change in variable capacitance
A capacitance of a capacitor member, which varies according to a dynamic force such as an acceleration force imposed on the capacitor member, is detected by a...
Rotation angle sensing device having enlarged detectable angle range
A rotation angle sensing device for detecting a relative rotation angle between a rotor and a stator includes main magnets, fixed in the rotor, and hole ICs,...
Circuit for supplying constant voltage
A constant voltage supplying circuit including an output transistor is connected to a power source line and an output terminal. A base-emitter voltage of the...
Torque computation unit for vehicle generator
A torque computation unit of a vehicle generator includes a rotor, an armature winding, a field coil and a field current switching element. The torque...
Production method of gas sensor
To provide a method for producing a sensing film for gas sensors by sintering particles comprising a metal or a metal oxide on a substrate, where the sensing...
Fuel feed apparatus having sub tank and jet pump
A fuel feed apparatus including a sub-tank is received in a fuel tank having multiple tank sections. Multiple jet pumps respectively transfers fuel received in...
Compression ignition internal combustion engine
A compression ignition engine injects fuel through injection holes of an injector at a substantially constant injection rate to atomize the fuel so that the fuel...
Simultaneous forming method of throttle body and throttle valve
An electrically controlled throttle apparatus is constructed with a throttle body and a throttle valve that are simultaneously formed in the same dies. The...
Control device for internal combustion engine
A control device for an internal combustion engine comprises an air flow meter arranged in the intake passage. The air flow meter includes a main passage and a...
Synchronous detection method and device, and sensor signal detector
The present invention is intended to efficiently minimize high-frequency noise stemming from synchronous detection without the necessity of a low-pass filter...
Multi-output electric power source device and vehicle-mounted electronic
A multi-output electric power source device has at least two channels for producing a constant voltage and a constant voltage from a single input voltage. Each...
Control information rewriting system
In a control information rewriting system, a rewriting device for vehicle ECUs and a control center are provided. A function f necessary for the rewriting device...