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Cooling apparatus using boiling and condensing refrigerant
A cooling apparatus includes a refrigerant tank having a surface to which heating devices are attached and containing liquid refrigerant which is boiled and...
Etching method and method for manufacturing semiconductor device using the
In a method for manufacturing a semiconductor device, a barrier metal disposed on a metallic thin film for forming a thin film resistor is patterned by...
Thermostat malfunction detecting system for engine cooling system
Malfunction of an engine coolant thermostat is detected from the engine side coolant temperature by the subsequent behavior of the coolant temperature. When an...
Gas sensor for vehicle engine having a double-pipe cover
A gas sensor has a housing, a gas sensing element held by the housing and having a gas contact portion and an element cover for covering the gas contact portion....
Tag reader writer
Vehicle system for travel guidance of intersections
A vehicle navigation system performs regular travel guidance with respect to a guidance target intersection at a specific distance short of the intersection....
Piezoelectric ceramic composition for use in an ultrasonic wave motor
A piezoelectric ceramic composition, having a tetragonal perovskite structure and represented by a general formula Pb.sub.a Sr.sub.b (Zr.sub.c Ti.sub.d Sb.sub.e...
P-channel MOSFET semiconductor device having a low on resistance
In a semiconductor device having a substrate, a p-type semiconductor layer, an n-type channel well region, a p-type lightly doped source region, and a source...
Method for manufacturing semiconductor device
A method of manufacturing a semiconductor device, which can effectively form a trench having a high aspect ratio with relatively simple steps. An initial trench...
Illuminating light guide for instrument panel
A meter that has a dial plate, a pointer, a light transmitting plate disposed at a rear side of the dial plate and a light source. The light transmitting plate...
Control system for hybrid vehicle
In an electronic control for a hybrid vehicle which is driven either by an engine or an electric motor, or both, possible failures in an ignition system and a...
Apparatus formed by brazing and method for manufacturing the same
A tube is formed by brazing first and second plates, and is connected to a pipe through a connection block being brazed to a contacting surface of the first...
Heat exchanger with heat insulating member disposed between condenser and
A heat exchanger has a condenser having a condenser tank and a radiator having a radiator tank. An end of the condenser tank in a longitudinal direction thereof...
Semiconductor physical quantity sensor having movable portion and fixed
portion confronted each other and...
A semiconductor acceleration sensor, which prevents an adhesion of a movable portion to a fixed portion due to an electrostatic force generated during being...
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...
Fingerprinting judging method
The present invention relates to a method for renewing dictionary image data in a fingerprint identification device, and enables to shorten dictionary...
Method and system for data communications using synchronizing signals of
different data length
A road side communication equipment is provided crossing over lanes of an expressway, so that a communication processing for toll collection is executed between...
Rectifier arrangement of vehicle AC generator
An AC generator for a vehicle includes a rotor, a stator having a three-phase stator winding, a three-phase full-wave rectifier unit, an insulation cover, and a...
Electronic control device and jig device therefor having casing inclination
Ribs are unitarily formed on an outer wall surface of a casing to compensate for an inclination of an inner wall surface corresponding to a draw angle provided...
Vehicle wheel information supply device and wheel tire abnormality
A vehicle wheel information supply device for supplying wheel information relating to a state of a wheel of a vehicle, including a wheel state detector for...
Motor drive control with excess current period timer resetting
A microcomputer produces to a drive circuit drive command signals for starting to drive and braking a motor so that the position of a throttle valve is...
Power window controller having function to prevent pinching
A controller for a power window detects a pinching situation where an obstacle is pinched or sandwiched between a frame of a window and a window glass sliding...
Shock-resistive printed circuit board and electronic device including the
A printed circuit board has a layer including a resin material, which has a tensile breaking strain of approximately 1% or more at a tensile strain rate of...
Semiconductor device having multilayer interconnection structure and method
for manufacturing the same
After an insulating layer made of BPSG is formed on a diffusion layer, a contact hole is formed to expose the diffusion layer. Then, a first aluminum layer is...
Rotary pump with better fluid sealing structure and brake apparatus having
In the rotary pump, a sealing member is provided at a clearance between a casing and axial end surfaces of the inner and outer rotors, the sealing member...
The electromagnetic valve has a valve body capable to open and close a fluid communication path, first and second springs opposing to each other and biasing the...
Wave soldering method and system used for the method
In a method of soldering a work-piece in a state where the work-piece contacts a wave molten solder, a soldering process is performed while controlling an...
Flow soldering apparatus having resilient substrate clamping mechanism and
solder oxide film removing mechanism
In a flow soldering apparatus, a substrate is clamped by a pair of nails of a chuck mechanism and transferred over a molten solder barrel while being held in...
Cooling device for electronic parts of vehicle
A case which accommodates electronic control circuit is housed in a housing box. An air passage is formed between the case and a main body of the housing box to...
Refrigerant evaporator and manufacturing method for the same
An evaporator has plural tubes arranged in parallel with each other in a width direction perpendicular to an air flowing direction. The tubes are further...
A multiplying device operates for implementing multiplication between multiplicand data and multiplier data in a two's complement representation form. Each of...
Electroluminescent display device
An Electroluminescent display device is designed not to display residual images due to electric charges stored in electroluminescent pixels or to make them...
Method for producing a semiconductor
In a method for producing a semiconductor dynamic sensor, an anisotropic etching mask is formed on a (100) crystal orientation silicon substrate with a main...
Torque rod apex mount
A V-configuration torque rod has an apex pivotal joint system which includes a pair of pivotal end joint assemblies connected by a bar-pin journal. The bar-pin...
Hydraulic actuator for an anti-lock braking system
A motor, installed on a first surface of a housing, has a drive shaft normal to the first surface. Two pumps are installed in the housing and driven by the motor...
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...
Variable valve timing mechanism
A cylindrical bush is provided at the distal end of an oil distributor inserted from the front cover side of a housing to prevent pressure oil from leaking from...
Method of manufacturing a heat exchanger
Fins and tubes are brazed by brazing material spread on the inside of bent portions. As the interval between the fins and the tubes does not increase upon...
Engine-motor hybrid vehicle control apparatus and method having engine
performance Lessening compensation
In an engine-motor hybrid vehicle, vehicle drive regions are divided into a plurality of groups specified by a plurality of operation state variables. A learning...
Electronic control unit having voltage responsive data writing
An electronic control unit is provided with a microcomputer, a power supply circuit and a filter circuit. The microcomputer comprises a CPU, a ROM, a RAM and a...
Method of manufacturing semiconductor device
In a method of manufacturing a semiconductor device, after performing ion-implantation and before forming an oxide film, a silicon substrate is disposed within a...
Two-dimensional code and method of optically reading the same
A two-dimensional code made up of a matrix of cells formed with dark and light squares arranged in a pattern carrying an optically readable binary-coded data,...
Double heat exchanger having condenser and radiator
A double heat exchanger has a condenser having a condenser tank and a condenser tank cap for closing an open end of the condenser tank, and a radiator having a...
Integrated sensor device
An integrated sensor device includes first and second housings combined together and is attached to a wall of a conduit via a joint portion thereof....
Refrigerant cycle system for vehicle air conditioner
In a refrigerant cycle system for a vehicle air conditioner, when a continuous operation time of a compressor elapses a predetermined time after the compressor...
Refrigerant cycle system having hot-gas bypass structure
In a refrigerant cycle system, a refrigerant discharge side of a compressor is directly connected to a refrigerant inlet side of an evaporator through a hot-gas...
Catalyst activation control system for engines
An engine variable valve timing mechanism is controlled during engine starting to set valve opening overlap of intake and exhaust valves around 30.degree. CA. In...
Apparatus and method for controlling a distance between two traveling
vehicles and a recording medium for...
At least one of a plurality of deceleration devices is selected to decelerate a succeeding vehicle. A warning is generated only when a deceleration level...
Air conditioner having electrical heating member integrated with heating
In a vehicle air conditioner, an electrical heating member is disposed integrally with a heating heat exchanger including a core portion and upper and lower...
Controller of automatic transmission having a lock up clutch and control
method of the automatic transmission
A controller of an automatic transmission having a lockup clutch and a control method of the automatic transmission, in which engine rotational speed is...