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Process for producing honeycomb structure
A process for producing a honeycomb structure, comprising the steps of: providing a substrate having cell walls in a honeycomb form and comprising SiO.sub.2,...
Variable valve timing control apparatus and method for engines
A variable valve timing control apparatus is constructed so as to supply hydraulic pressure to an unlocking chamber for unlocking a lock pin only from a...
Method and apparatus for manufacturing a press-formed object
A manufacturing method and a press apparatus improve the productivity of the manufacture of a press-formed object from a sheet blank, such as a nozzle hole plate...
Driver actuated accelerator mechanism with accelerator opening sensor
A support shaft is non-rotationally inserted into bearing plates of support member. Accelerator rotor is attached to support shaft and can rotate, and a driver...
Refrigerant cycle system with super-critical refrigerant pressure
In a refrigerant cycle system, a control unit controls both a refrigerant amount discharged from a compressor and an opening degree of a pressure control valve...
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...
Casing for reflection measurement device
A casing is provided for a reflection measurement device emitting a scanning beam and receiving an echo beam caused by reflection of the scanning beam at an...
Electroluminescent display device having equalized luminance
An electroluminescent display panel having a matrix electrode structure composed of scanning electrodes and data electrodes is driven by supplying scanning...
Rotary electric machine for vehicle
A rotary electric machine has two sub-windings shifted by 30 degrees from each other. Each sub-winding is connected to an individual bridge which has MOS...
Activating device of vehicular passenger protection system
An activating device for an airbag system is constructed to prevent erroneous activating operation. A microcomputer generates a test signal and applies it to a...
Check valve for engine fuel supply system
When a pump operates, a check valve body leaves a check valve seat due to a pump side fuel pressure for opening a fluid passage inside a pressure adjusting valve...
Method and apparatus for processing output of position measurement sensor
If outputs of a couple of Hall ICs constituting a throttle valve position sensor are within an operating range of throttle valve position, and if a relationship...
Capacitance type dynamic quantity sensor having displacement portion and
formed by wire bonding
In a capacitance type dynamic quantity sensor, a movable electrode is connected to a support substrate through a frame shaped displacement portion. The...
Vehicle control computer apparatus having self-diagnosis function
In a vehicle control computer apparatus, information operation processing is performed by a RISC-type microcomputer so that a storage area necessary in diagnosis...
Electronic control unit having reduced inter-object message memory
requirements for object-oriented control program
An electronic control unit that can execute object-oriented program processing without consuming much memory. When a message is dispatched due to execution of an...
Power saving mode for wireless telephones
Reducing power consumption in a dual mode wireless phone, such as a CDMA/AMPS phone, that monitors messages from a forward overhead channel in a standby mode is...
Efficient resource management for packet data services
The present invention is a system for distributing the reconnection attempts of multiple system users in a CDMA telephone system over a broad time window. The...
Thermistor-type temperature sensor
The present invention provides a thermistor-type temperature sensor equipped with a thermistor element having a thermistor section and electrode wires for...
In a solenoid portion of a solenoid valve, a fixed core for axially attracting a plunger due to magnetic force generated by a magnetic coil is divided into two....
Angular position detection device having linear output characteristics
An angular position detection device has a rotor that comprises two magnets and a primary yoke, and a stator that comprises a pair of auxiliary yokes and a...
Air conditioner for vehicle
A single position-detecting means for detecting rotation positions of electric motors is provided. Positions of a plurality of driven members are detected...
Accessory device driving apparatus for vehicles
An accessory device driving apparatus is disposed between an internal combustion engine and an accessory device of a vehicle. The driving apparatus is...
Liquid fuel vaporizer having single fuel injector
A liquid fuel vaporizer includes a combustion chamber in which heat is generated by burning fuel therein, an vaporization chamber in which liquid fuel is...
Integrated circuit having power supply voltage monitor
In an ABS control ECU, a power supply output circuit and a power supply monitoring unit are formed on the same chip. A power, supply terminal for the power...
Inside/outside air switching device with rotary door
In an inside/outside air switching device, a rotary door includes a circumference wall provided at an upper side of a rotation shaft to extend in a rotation...
Adjustment method and system for adjusting various temperature
Hall ICs constituting a redundant throttle valve position sensor are used to measure a rotational angle value indicative of a position of a throttle valve and a...
Method of manufacturing three-dimensional printed wiring board
An efficient method of manufacturing a three-dimensional printed wiring board is provided in which a conductor foil can be reliably heat-fused to the board at a...
Serial communication apparatus and serial communication system
A serial communication system, which can improve a communication speed even when it takes long time to perform a process in accordance with a command. A serial...
Engine control unit having cylinder determination function
A crank signal generated by a crank angle sensor has a front pulse missing portion and a back pulse missing portion in a pulse train of every predetermined angle...
Apparatus and method for calculating an air-conditioning system controlled
A controlled variable-calculating apparatus and method that can easily calculate a controlled variable from one or more input variables and that can...
Transmit power control circuit
A transmit power control circuit, which can control a transmit power of a transmit power control circuit through wide dynamic range and can reduce an insertion...
Rotational angle detector using linear converter
The rotational angle of a rotatable object (such as the throttle valve of an automobile engine) is accurately detected by a rotational angle detector having a...
Self-heating type cold-cathode discharge tube control apparatus
In a control apparatus for a self-heating type cold-cathode discharge tube, a microcomputer determines boosting time based on a detected surrounding temperature...
Electromagnetic actuator permanent magnet
An electromagnetic actuator has a stator core, an armature and a coil. The stator core is formed as a seamless cylindrical tube having a thin wall as a magnetic...
Semiconductor device that exhibits decreased contact resistance between
substrate and drain electrode
A semiconductor device including an N-type semiconductor substrate which includes arsenic as an impurity, a first electrode formed on a main surface of the...
A gas sensor includes a sensor element. The sensor element has a solid electrolytic member, a measurement electrode, and a reference electrode. The measurement...
Drum brake device
The present invention to provides a drum brake that generates the same braking force when a vehicle moves forward and backward. A first lever is connected to a...
Vehicle traction control system and method
Driving slip rates SLi of respective wheels are calculated, and if a driving slip is excessively large is judged based on the driving slip rates SLi. Further, if...
Intake air controller for internal combustion engine and manufacturing the
A throttle assembly including a bore wall to which a seal member is previously attached is inserted into a key-like slot of an intake air passage body, and...
Common rail fuel injection system
A common rail housing for a common rail injection system is composed of a pressure accumulation pipe whose outer circumference is formed in complete round shape...
Control system for an internal combustion engine
An output timing of an opening degree command value .phi.total is delayed by a predetermined delay time Tdly. A predictive throttle opening change ...
Control apparatus for a cylinder injection type internal combustion engine
capable of suppressing undesirable...
The present invention intends to suppress torque variation caused by the change of control parameters (e.g., throttle opening degree, EGR amount, etc.) to be...
Neuron, hierarchical neural network using the neuron, and multiplying
circuit used for multiplying process in...
There is provided a neuron which is capable of expressing an excitative coupling and a suppressive coupling by one signal by devising signals processed in the...
Method of obtaining information that corresponds to electrocardiogram of
human body from pulse wave thereof
A method of obtaining information that corresponds to the R--R interval of electrocardiogram from the pulse-wave of a human body. The method is comprised of...
Adaptive receiver having adaptive array unit and equalizer unit
An adaptive receiver includes an adaptive array unit and an equalizer unit. In the adaptive array unit, receiving signals of an array antenna are demodulated,...
Gas concentration detector using oxide-semiconductor
A gas concentration detector for detecting a concentration of pollutant gas such as NOx or SOx contained in ambient air is composed of an oxide-semiconductor gas...
Trench gate type semiconductor device and method of manufacturing
A semiconductor device has a dielectric strength for a gate oxide film at a trench bottom that is higher than that of side walls used for channels. An n.sup.+ 0...
Photo sensor with signal processing circuit
A photo sensor has a first silicon chip and a second silicon chip mounted on the first silicon chip. Photodiodes are formed in an upper surface portion of the...
High density energy beam machining method and apparatus for the same
A discharging nozzle is provided in an inside space of a metal cylinder for supplying an assist gas from an inside of the metal cylinder. The gas discharging...
Method for manufacturing semiconductor pressure sensor having reference
In a method for manufacturing a semiconductor pressure sensor, after a reference pressure chamber is formed inside a semiconductor substrate and a diaphragm is...