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Handoff adaptation for CDMA systems
A method of determining handoff timing for a wireless device is provided. The method includes selecting a call characteristic. The call characteristic is...
Indicator system having multiple LEDs
An indicator system having light emitting diode (LED) indicators and an open-circuit detecting circuit. In the open-circuit detecting circuit, a voltage at a...
Switching status determination device and method for determining switching
A sampling voltage is periodically applied between contacts of a switch of a device to determine a status of the switch. When a CPU is in a sleep state and the...
DC motor rotation information detecting device
A rotation information detection device detects rotation information of a DC motor based on a surge component waveform superimposed on a voltage waveform between...
Spark plug having enhanced capability to ignite air-fuel mixture
A spark plug includes a metal shell, an insulator, a center electrode, and a ground electrode. The metal shell has a threaded portion with an outer diameter of...
Housing for electronic circuit
A box unit is a housing having a space for containing a circuit board therein. Bus bars are insert-molded in a resin body of the box. A metal shield plate is...
Automotive alternator having cooling-air-intake-window having uneven
opening area along rotational direction
A stator having an armature winding and a rotor having a field winding are contained in an alternator housing. A cooling fan is connected to at least one axial...
Circuit board having metallic plate, printed circuit board and flexible
A circuit board includes: a metallic plate having an opening; a flexible circuit board disposed on a first surface of the metallic plate; and a printed circuit...
Fuel cell system
Provided is a fuel cell system capable of preventing a drop of power stemming from the water residence at an electrode portion or the shortage of water content...
A coupling device has a pulley that receives rotational torque from an engine. The torque is transmitted to a shaft through a hub and a one-way clutch. A torque...
Fuel pump cutoff shuttle valve
A fuel pump cutoff shuttle valve is located between a multiple fuel pump arrangement. The valve has a first tubular member with a hollow, biased sliding member...
The valve controller is driven by a motor. The valve controller has a control circuit and a driving circuit. The driving circuit drives a motor based on a...
Fluid machine for gas compression refrigerating system
A fluid machine for a gas compression refrigerating system comprises a first and a second working for performing a pump mode operation, in which working fluid of...
Pressure sensor having a metal diaphragm responsive to pressure
A pressure sensor is composed of a cylindrical connector case firmly connected to a housing and a pressure-detecting chamber formed between the connector case...
Vehicle air conditioning system
An automobile air conditioning system controls the high pressure of the refrigeration cycle in a wide range of airflows from a low airflow region during an...
Processing execution apparatus having data reference limiting function
A processing execution apparatus has an update management program and a reference limiting program. The update management program manages whether or not A- to...
Control apparatus for on-vehicle generator that sends power from the
battery to the field winding and from the...
A control apparatus for an on-vehicle generator is provided. The generator, driven to rotate by an on-vehicle engine, is provided with stator windings,...
Apparatus for automatically adjusting direction of light axis of vehicle
An apparatus for adjusting a direction of a light axis of a swingable auxiliary headlight of a vehicle includes a steered angle sensor detecting a steered angle...
Apparatus for automatically adjusting direction of light axis of vehicle
The apparatus for automatically adjusting a direction of a light axis of a vehicle headlight includes a steering angle sensor, a vehicle speed sensor, a memory...
Sliding structure for shaft member with improved abrasion resistance and
In a sliding structure in which a shaft member is retained slidably in a guide hole, the lack of an oil film caused by the edge contact of the shaft member to...
Fuel injection controller of engine
An electronic control unit compulsorily stops supply of a fuel injection quantity, which is calculated based on various parameters including a throttle opening...
Intake control device for internal combustion engine
An intake control device includes a throttle valve and a throttle body. The throttle valve rotates to control intake air. The throttle body includes a...
Liquid level detecting apparatus
A guide pipe is formed from a metal material, and its internal cross section has a circular shape whose diametric dimension gradually becomes smaller with a...
Controller for internal combustion engine
An ECU converts a cylinder pressure P and a cylinder volume V corresponding to a crank angle .theta. at least from a compression stroke to a combustion and...
Diagnosis function evaluation system for evaluating a fault diagnosis
function, computer product, and computer...
An evaluation system for a fault diagnosis function has an engine ECU. The ECU is connected to an engine, sensors, and a MIL. The ECU diagnoses the sensors. The...
Sensor device and ceramic package for mounting electronic components
A sensor device includes a G sensor producing an electric signal in accordance with physical displacement of its sensing portion and a casing mounting this G...
Starter electromagnetic switch
The starter electromagnetic switch includes a switch coil creating magnetic force to move a plunger for closing the main contact thereof, a switch terminal bolt...
AC generator for vehicle
An AC generator has negative pole-side rectifier devices press-fitted to a holder fin so as to dispose a bottom face of the rectifier device on a surface of the...
Method and apparatus for controlling joint force of friction-joint
component mounted on vehicle
An apparatus is provided for controlling a joint force of a friction-joint component placed in a torque transmitting mechanism (e.g., transmission) mounted on a...
Fan and blower unit having the same
A cooling fan includes a cylindrical boss portion, a plurality of blades extending from the boss portion in a radial direction and a ring member integrated with...
A shaft is press-fit into the valve member or the plunger of an electromagnetic valve to transmit the axial movement of the plunger to the valve member. A...
A pressure sensor has a sensing unit and a pressure transmitting rod housed in a case, and a pressure receiving diaphragm. The case has a sensing unit housing...
Fuel vapor leak check module
A fuel vapor leak check module has a pump discharging an air through an outlet. When the fuel vapor check module is mounted on a vehicle, an outlet of the pump...
Internal combustion engine control system
A vehicle-supervising electronic control unit (VS-ECU) measures driving torque, which is outputted from an engine to a drive shaft through an automatic...
OFDM transmission system transceiver and method
An frequency division multiplexing (OFDM) system transceiver for transmitting frequency dividing data in parallel includes antenna elements for receiving known...
Housing structure of electronic control unit and mounting structure of the
A housing for enclosing an electronic control unit is constructed of a resinous cover and a metallic case having heat conductivity higher than that of the...
Motor control apparatus
In a control apparatus for a motor, an over-current protection circuit detects an abnormality in a motor current forcibly turns off a MOSFET. The over-current...
Vehicle tiredness alleviating system
A vehicle tiredness alleviating system provided with at least one of a vehicle air-conditioning system for controlling a temperature in a passenger compartment,...
Comparator circuit and rotation detector
The comparator circuit includes an amplifier amplifying a voltage signal inputted from outside, a voltage dividing circuit dividing down a power supply voltage...
Rotational speed and position detector for supercharger
A motor-assisted turbocharger is composed of a turbine driven by energy of exhaust gas, a compressor rotated by the turbine and a rotary electric machine for...
Semiconductor device manufacturing method
A semiconductor device includes: an n.sup.+ type drain region; an n type drift region that connects with the n.sup.+ type drain region; a p type body region; a...
Method of producing ceramic body
This invention provides a production method of a ceramic body that can use waste and defectives generated during a production process. The invention includes a...
Fuel filter having double layer structure
Fuel passes through a fuel filter from the outer layer of the fuel filter toward the inner layer of the fuel filter. Large debris is arrested in the outer layer...
Manufacturing method for producing silicon carbide crystal using source
A crucible, which has first member and second cylindrical body, is disposed in a lower chamber. A pedestal is disposed inside the first member, and a seed...
Airbag system having multiple collision determining circuits
An airbag system comprises an airbag, an inflator, a squib, a high-side switch, a low-side switch, a firing circuit for switching the two switches, a first...
Intake air control device having strain absorbing structure
An intake air control device, which is mounted to a fixed member, includes a throttle body and a throttle valve. The throttle body defines an intake air passage....
Physical quantity sensor having protrusion and method for manufacturing
A physical quantity sensor detects a physical quantity. The sensor includes a movable portion having a bottom and a protrusion disposed on the bottom of the...
Exhaust cleaning device of internal combustion engine
An exhaust cleaning device of an internal combustion engine includes a particulate filter disposed in an exhaust duct of the internal combustion engine. A...
Adjustment-circuit embedded semiconductor sensor and torsion bar type
torque sensor system
A torsion bar type torque sensor system is provided with the following: an elastic member that receives a torque and converts the torque to a torsion...
Control device for diesel engine
An engine control device for controlling an exhaust gas recirculation operation includes a variable-capacity turbo supercharger, an EGR valve, a supercharging...