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Display panel having pixels arranged in matrix
A matrix-display panel such as a liquid crystal display panel is composed of row and column electrodes and liquid crystal interposed between both row and column...
Real-time clock backup
A real-time clock circuit for saving real time information during removal of a battery is presented. The battery provides power to the clock circuit during a...
Load drive circuit having low voltage detector
A charge pump circuit receives a battery voltage of a power line, and outputs a raising voltage proportional to the battery voltage. A low voltage detecting...
Vehicle alternator control device and method
A vehicle alternator control device has a power transistor, a flywheel diode, a voltage control circuit, a primary power supply circuit, and a secondary power...
Apparatus for controlling cooling fan for vehicle
A cooling fan control circuit drives a brushless motor to rotate a cooling fan to cool a condenser and a radiator mounted on a vehicle when a drive signal is...
Spark plug used for cogeneration purpose and adjusting method for
discharging gap thereof
A noble metal tip of a grounding electrode is inclinedly disposed with respect to a noble metal chip of a central electrode by an angle .alpha. so that a...
Vertical type MOSFET
A vertical power MOSFET, which can improve a surge withstand voltage and a surge withstand voltage against a surge voltage from an inductance load L. The...
Method of manufacturing sensor having membrane structure
A sensor for measuring a physical amount such as an amount of air includes a membrane structure composed of metal stripes sandwiched between first and second...
Electromagnetic driving device, fluid control valve having same and method
of manufacturing same
In a magnetic driving device, a fixed core has a housing portion, in which a plunger is housed to reciprocatingly move, and an attracting portion toward which...
Fuel injection valve
In a fuel injection valve, a cylindrical valve body has a valve seat protruding radially inward out of an inner wall thereof and a needle supporting cylindrical...
Method of connecting circuit boards
The invention provides metal connecting composition for connecting metal to metal with removing oxide film on the mother metal surface. The metal connecting...
Electronic part mounting method
At the step of printing a wiring portion of a ceramic substrate with a conductive adhesive for mounting an IC chip or a part such as a capacitor other than the...
Corrosion preventing layer forming method
Radiator caps (266) and radiator tubes (211) are heat brazed with an ingot Z of a sacrificial material being disposed in the interior of a radiator tank main...
Vehicle air conditioner with attachment and detachment of evaporator
In a vehicle air conditioner where an air conditioning unit is disposed at an approximate center within an instrument panel portion in a vehicle right-left...
Semiconductor pressure sensor having rounded corner portion of diaphragm
A semiconductor pressure sensor has a recess formed on a semiconductor substrate. The recess has a sidewall, a bottom wall that serves as a diaphragm for...
Emission control apparatus for engine and method for reducing emissions of
An emission control apparatus for an engine has a plurality of catalysts disposed in series in an exhaust passage. An HC absorbent catalyst is utilized for at...
Method of manufacturing fuel injector for internal combustion engine
In a fuel injector, a valve unit consisting of a valve body and an injection plate is connected to a bottom end of a cylindrical housing. The valve unit is...
Catalyst deteriorating state detecting apparatus
If conditions for measuring a storage quantity of O.sub.2 in a catalyst are satisfied, a target air-fuel ratio is switched to a rich value after the end of a...
Cellular phone for radio communication system having automatic data
A cellular phone is programmed to convert language and currency of a home country into corresponding language and currency of another country. When the cellular...
Mounting arrangement of vehicle rotary electric machine
A vehicle rotary electric machine to be mounted in an engine is comprised of a rotor having a shaft, a stator, a front housing, a rear housing and a pulley. The...
Method of connecting circuit boards
The present invention provides a circuit board connecting method that includes an alkane application step and a heat-press-bonding step. The alkane application...
In a vehicle air conditioner, a defroster opening and a foot opening are provided at both right and left sides of a face opening. An outlet portion of a warm air...
Fuel supply apparatus
A fuel supply apparatus maintains a level of fuel within a sub tank and, even if the fuel within the sub tank becomes low in volume, maintaining fuel coverage on...
Current supply circuit for engine starters
In a current supply circuit for starters, an inductance coil is connected in series or a capacitor is connected in parallel with a starter motor to slow down the...
Physical quantity detection device
Respective first ends of first and second strain gates are connected to a first voltage potential. First and second constant currents from first and second...
Vehicle air conditioning heat exchanger seal
A vehicle air conditioning system in which a sealing member is provided with, as an integral part, plates of main lips and sub-lips that are pressed against an...
Junction guide device for providing guidance concerning looped branch road
A vehicle navigation system stores road data and a plurality of schematic diagrams of junctions. Each schematic diagram represents a common pattern of a road...
Hologram screen and a method of producing the same
In a hologram screen for reproducing an image based on an output light obtained by scattering and diffusing an image light from an image projector, when a white...
Antenna for portable radio communication device and method of transmitting
An antenna for a portable radio communication device is constructed with a conductive shield plate provided in a casing made of resin and shaped to be worn on a...
Mobile communication having link ID code checking function
In a communication system between mobile communication devices and an immobile communication device, a mobile device receives a FCMC signal from the immobile...
Ceramic honeycomb structural body and methods of preparing the same
A ceramic honeycomb structural body, and method for preparing the same, which can satisfactorily support a catalyst and can demonstrate superior mechanical...
Method of manufacturing electrode for plug
A method of manufacturing an electrode for the use of a spark plus is provided, in which a laser welding process is adopted. In the laser welding process, a tip...
Vehicle headlight discharge lamp
A vehicle headlamp housing is naturally ventilated by a temperature difference between air inside and air outside the lamp housing, to prevent the temperature of...
Exhaust gas heat exchanger
An exhaust gas heat exchanger has a tank, laminated plural exhaust gas tubes disposed in the tank, a cooling water inlet pipe and a cooling water outlet pipe....
A laminated-type heat exchanger has plural flat tubes in which refrigerant flows and plural corrugated fins each of which is disposed between adjacent two flat...
Double heat exchanger having condenser core and radiator core
In a double heat exchanger having a condenser core and a radiator core, a protrusion is provided on a condenser header tank which contacts a radiator header tank...
Heat exchanger of aluminum
A heat exchanger made of aluminum includes a plurality of first plates and a plurality of second plates stacked alternately in the direction along the thickness...
Intake control system of multi-cylinder engine
An intake control system has intake control valves disposed in intake passages of cylinders of a multi-cylinder internal combustion engine. ECU controls the...
Variable valve timing controller
A variable valve timing controller has a housing having a hole in its surface facing a vane rotor. A fitting ring is press-fitted into the hole. A stopper piston...
Pressure sensor using resin adhesive between sensor element and stem
In a pressure sensor made by bonding a sensor chip and a metal stem together with a resin adhesive, fluctuation of the sensor output caused by temperature...
Pressure detecting apparatus with metallic diaphragm
A pressure detecting apparatus has a single-crystal semiconductor sensor chip disposed on a metallic diaphragm through a low melting point glass. The sensor chip...
Wire bonded sensor and method for manufacturing wire bonded sensor
A sensor includes a first insulating layer, a second insulating layer having an opening, a plurality of metal wirings, and a plurality of electrodes. Each metal...
Method for making corrugated fins
Residual stress generated in strip metal W is removed by annealing the strip metal W which has gone through a pressing process, and a compressing process is...
Inter-vehicle distance control apparatus and a recording medium for the
It judges whether a decelerator, such as fuel cut, over-drive cut, down shifting, braking, is in a temporarily unusable condition and further judges that it is...
Device and method for setting steering characteristics of electric power
The optimum value of steering feelings in operating an electric power steering system depends on a vehicle model, changes in vehicle model characteristics,...
Display panel driving system
A display panel driving system, constituted in such a manner that the occurrence of a display irregularity on the display panel can be suppressed without regard...
Obstacle recognition system for automotive vehicle
An obstacle recognition system for automotive vehicles is provided which is designed to recognize targets such as preceding vehicles to be tracked by a radar by...
Apparatus and method for controlling cooling fan for vehicle
When air passing through a condenser and a radiator passes through a cooling fan in a state where a driving circuit controls a voltage applied to a motor to be...
Electronic device including stacked microchips
An electronic device includes two microchips and a bonding layer with which the microchips are bonded together. The bonding layer is a silicone-type adhesive...
Pump equipment and method for assembling same
In a pump equipment having one or more rotary pumps for hydraulic circuit, the intake port is communicated with the shaft hole for inserting the drive shaft and...