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Soldering paste, soldering method, and surface-mounted type electronic
Soldering paste for bonding an electronic component to electrodes on a ceramic substrate includes alcohol having at least two OH groups, organic acid, and...
Vehicle air conditioner with control system learning manual control
operation of blower voltage
In a control system of a vehicle air conditioner, when a temperature difference between a previous target air temperature at the previous manual operation and a...
Vibration-resisting structure of optical scanner
An optical scanner and a two-dimensional scanning device using the same are provided. The optical scanner includes a scanning mechanism and a swing support. The...
Magnetic switch for starter motor
In a magnetic switch for a starter motor, a magnetic core member providing a magnetic flux path is composed of separate components: a first core, a cylindrical...
Vehicle air conditioner with refrigerant flow-amount control of compressor
In a vehicle air conditioner having a refrigerant cycle using carbon dioxide as refrigerant, a displacement of a compressor is changed and controlled, so that an...
Method of selecting a preceding vehicle, a preceding vehicle selecting
apparatus, and a recording medium for...
The radius of the curvature of the lane on which a subject vehicle is traveling, is calculated in accordance with the turning condition of the subject vehicle...
Hologram and process for producing hologram
There is provided a hologram with excellent heat resistance. The hologram comprises a hologram film (10) in which a diffraction grating has been recorder, a...
Capacitive physical quantity sensor
The clock signal for the sample and hold circuit for sampling the C-V conversion circuit output generated by the control signal generation circuit is different...
Angular position detection apparatus
An angular position detection apparatus, which can improve a detection accuracy of the angular position by improving a linearity of an output characteristic with...
Direction-indication-lamp control apparatus for vehicle
Left and right turn lamps are used as lamps in a daytime travel of a vehicle. When a first daytime turn-on requirement is satisfied, i.e., when an ignition...
Piezoelectric element for injector
A piezoelectric element, for generating drive force for an injector, is provided with a plurality of alternately stacked piezoelectric layers expanding and...
Glow plug and method of manufacturing the same, and ion current detector
The present invention is to provide a glow plug (1) with an ion current detecting function, which is mounted in a combustion chamber of a Diesel engine. The glow...
Method of manufacturing silicon carbide semiconductor device having oxide
film formed thereon with low...
In a method for manufacturing a silicon carbide semiconductor device including a gate oxide film formed on a surface channel layer, the gate oxide film is formed...
Integrated gate bipolar transistor and method of manufacturing the same
A method of manufacturing a trench gate type IGBT element, which can sufficiently round off a corner at a bottom of a trench with restricting silicon from being...
Trochoid gear type fuel pump
Two inner gears are overlapped with each other through a partition wall and are eccentrically arranged at an inner peripheral side of an outer gear, and...
Bi-directional update of displays in portable electronic device
A visual display system is described that optimizes the apparent visual effect of a particular sequence of screen update process. The system includes at least...
Semiconductor device for load drive circuit
A semiconductor device for a load drive circuit includes a main LDMOS device and a sense LDMOS device that are connected to each other in parallel to form a...
Gas sensing element and method for manufacturing the same
A gas sensing element has a solid electrolytic body, a reference gas side electrode provided on a surface of the solid electrolytic body so as to be exposed to a...
Gas concentration sensing apparatus capable of suppressing sensor voltage
A limit-current type A/F sensor produces element current responsive to oxygen concentration in the exhaust gas when a voltage is applied to its sensor element...
An air-conditioning system alternately produces a cooled air stratum and a heated air stratum as viewed from an air outlet opening, and the guide length a1 of a...
Seat air conditioner having mechanism following passenger seat
A seat air duct includes a floor duct fixed to the floor surface of vehicle cabin and flexible ducts. The upper wall of the floor duct is partially formed by...
Plate-fin type heat exchanger and method for manufacturing the same
A recess portion for setting an attachment position is formed in each plate fin at positions adjacent to both longitudinal ends of the plate fins on both...
Heat storage tank in cooling water circuit
In a heat storage tank, first and second valve bodies are disposed to open and close first and second valve ports, respectively. A density of the first valve...
Cooling device for liquid-cooled type internal combustion engine
In a cooling device for an engine, having a motor-driven pump and a flow rate control valve, to obtain a predetermined discharge flow rate (circulating coolant...
Refrigeration cycle apparatus
The refrigerant cycle apparatus comprises a communication pipe 32 which is an upper refrigerant flow-in means allowing the refrigerant which has passed through a...
Ejector cycle system with critical refrigerant pressure
In an ejector cycle system using carbon dioxide as refrigerant, an ejector decompresses and expands refrigerant from a radiator to suck gas refrigerant...
Memory writing device for an electronic device
To provide a memory-writing device which can simply and reliably write desired data to a nonvolatile memory of an electronic device, connection is made with an...
Navigation system and method capable of registering new locations
A navigation system for vehicles has a rewritable memory, which stores data of a plurality of locations, and searches the rewritable memory for a target location...
Controller for vehicle with self-diagnostic function and recording medium
To enable easier change of a self-diagnostic program for making a contribution towards improvement in quality of the same program, even if it is required to...
Adjustable bandwidth phase locked loop with fast settling time
An adjustable bandwidth phase-locked loop including a phase-locked loop having a first input node receiving an input signal having a first frequency, a second...
Angular position measuring device
A compact and high-accuracy angular position measuring device is provided which has magnets installed in a rotor core and a magnetic sensor installed in a stator...
Capacitor charge control circuit and microcomputer using the same
A microcomputer has a CPU, a charge and discharge control circuit connected to the CPU, an input/output port, and comparator. A capacitor is connected to the...
Stator of alternator for use in automotive vehicle
A stator of an alternator for use in an automobile vehicle is composed of a cylindrical stator core and a stator coil disposed in slots of the stator core. The...
Vehicle electric control system with input device connected to central and
peripheral control devices for...
An electric control system for an automotive vehicle, including a peripheral control device for electrically controlling an actuator device, a central control...
Semiconductor device capable of enhancing a withstand voltage at a
peripheral region around an element in...
A semiconductor device has an element region including MOS structure. A p-well region, a connecting impurity diffused region, and an impurity diffused region for...
An infrared sensor includes a concavity made on a side of a semiconductor substrate and a plurality of sensing areas formed in a thin film area on the back side...
Cyclone type gas-liquid separator
A cyclone type, gas-liquid separator has a gas lead-through pipe penetrating an upper end wall of a cyclone chamber and extending downward to have a gas outlet...
Rotary pump and braking device using same
In a rotary pump, an outer rotor and an inner rotor are assembled in a casing such that, when a clearance between an inner teeth portion of the outer rotor and...
Hydraulic circuit having a rotary type pump and brake apparatus for a
vehicle provided with the same
In the brake apparatus having a rotary pump, outer and inner rotors of the rotary pump are made of bearing steel and inner and outer teeth portions of the rotors...
Apparatus for detecting fuel property for internal combustion engine
The following conditions are used as requirements for executing a fuel property detection: an intake air temperature is lower than a restart judging value; a...
Adsorption-type cooling apparatus
The present invention provides an adsorption-type cooling apparatus comprising first, second, third, and fourth adsorption devices filled with a coolant and...
Engine control unit operable with different clocks based on crank signal
An engine control unit receives a crank signal that includes a pulse train of a predetermined angle interval corresponding to rotation of an engine crankshaft....
Electromagnetic device driving apparatus
A driving apparatus for an electromagnetic valve comprises a conduction control circuit and a current-limit-value setting circuit. The conduction control circuit...
Electrical load driving device
An electrical load driving device is constructed to accurately detect an over-current state in either a high-side output mode or a low-side output mode...
Fin material for brazing
An aluminum alloy fin material for brazing which is composed of an aluminum alloy comprising above 0.1 wt % to 3 wt % of Ni, above 1.5 wt % to 2.2 wt % of Fe,...
Vehicle bearing device
A bearing device includes a pair of bearings. One of the bearings is exposed to a higher temperature condition than the other. Each of the bearings has an outer...
Flow amount control device
In a flow amount control device which control flow amount of fuel to be supplied to a high pressure fuel pump, an opening, which communicates with a port for...
Air-fuel ratio control with improved fuel supply operation immediately
after complete combustion of mixture
In an air fuel ratio control for engines, a target operation characteristic of engine speed is set based on a coolant temperature when the engine starts...
Spark plug for internal combustion engine
In a spark plug for an internal combustion engine, having a fitting screw portion with a diameter of M10. An axial distance A between an end surface of a fitting...
Accelerator with attachment of pedal arm
In an accelerator, an acceleration rotor made of resin is rotatably supported in a support shaft, one end portion of a pedal arm is connected to an acceleration...