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Navigation system and method with intersection guidance
In a vehicular navigation system which provides a recommended travel route, a control unit checks for the number of each road branching from an entering road of...
Ultrasonically-calibrated fast-start echo canceller for cellular and pcs
telephone car kits
The present disclosure describes an ultrasonically-calibrated fast-start adaptive echo canceller system. The system consists of at least one ultrasonic...
Personal communication terminal with variable speed scroll display feature
A communication terminal having a display capable of scrolling a text message at variable speeds to thereby enhance message readability. A display of 6 full-size...
Device having multiple luminescent segments
A segment-type electroluminescent display panel is driven by a driving circuit that supplies a constant current to each luminescent segment. The display panel...
Method and apparatus for providing a moving filter
An analog input signal is inputted into a pulse delay circuit including a series combination of delay units. The analog input signal controls signal delay times...
Adjusting untrimmed VCO during operation of the oscillator
A frequency oscillator tuning process at the manufacturing stage is replaced with an adjustment of a resonant circuit in the frequency oscillator during an...
Air passage opening/closing device for vehicle air conditioner
In an air passage opening/closing device for a vehicle air conditioner, a driving member is disposed to apply driving force for a reciprocating movement of a...
Front end structure of vehicle
A front end structure of a vehicle for preventing heat from going around to before a heat exchanger (or vehicle) while reducing the damage of a shock which may...
Dynamic quantity sensor having movable and fixed electrodes with high
A dynamic quantity sensor has a weigh portion that is supported by a base portion to be displaced by a dynamic quantity, a movable electrode protruding from the...
Hot water supply system with heat pump cycle
In a hot water supply system with a heat pump cycle, an oil separator for separating refrigerant and oil flowing from a compressor from each other is provided,...
Antifriction bearing and alternator incorporating same for use in vehicles
An antifriction bearing includes a fixed ring which comprises a steel containing up to about 10% of residual austenite. An alternator for vehicles includes a...
Stator arrangement of vehicle AC generator
A vehicle AC generator including a three-phase stator winding, a rotor which has at least 16 claw pole pieces and is rotatable at a speed for the stator winding...
Raindrop sensor having plano-convex lens
A raindrop sensor has a prism body, incoming radiation side plano-convex lens portions each provided on inclined surfaces of the prism body for receiving light...
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...