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Oxygen sensor element
An oxygen sensor element is provided which may be used in an oxygen sensor designed to measure the concentration of oxygen contained in exhaust gasses of an...
Nonfragile and quickly activatable structure of gas sensor element
A nonfragile ad quickly activatable structure of a gas sensor element which may be built in a gas sensor employed in an air-fuel ratio control system for...
Manufacturing method for a spark plug
First and second guides of a guide jig are removed from a tip in a direction normal to an axial direction of the tip. This surely prevents the guide jig from...
Composite drive system for compressor
A dynamotor capable of operating as either a motor or a generator is used with both the armature portion and the field portion thereof capable of being rotated....
Axial fan for vehicles
Front edges 212b of blades 212 are so constituted as to be deviated toward the upstream side in the air stream beyond an axial end surface 211a, as viewed from a...
Vehicle air conditioner having surface temperature sensor
The air conditioner includes a surface temperature sensor for detecting a surface temperature of a clothes portion of a passenger. In the air conditioner, a...
Hydrophilic modification method and heat exchanger treated thereby
A hydrophilic modification method comprising a step of forming a coat having a solid coat amount of 0.02 to 3 g/m.sup.2 on a heat exchanger with a modifier for...
In a link mechanism, a first link is disposed to be movable by a driving force from a driving source, and a second link is operatively linked with the first link...
Starter having resilient shift lever for driving pinion gear
A starter for engines uses a leaf spring as a shift lever for advancing a pinion gear for engagement with a ring gear. The shift lever may be constructed with a...
Semiconductor dynamic quantity sensor
A bridge circuit includes four gage resistors. Each gage resistor is divided into two division gage resistors. A couple of division gage resistors. The junction...
Oscillatory angular rate sensor
An oscillatory angular rate sensor unit includes a mount base and a sensor element installed on the mount base. The sensor element includes an oscillator which...
Structure of gas sensor
An improved structure of a gas sensor is provided which may be employed in an oxygen measuring device of an air-fuel ratio control system measuring an oxygen...
Automatic toll collection system for automotive vehicle
An automatic toll collection system for automotive vehicles moving along a roadway is provided which includes a toll collecting facility and an inspecting...
VEHICLE NAVIGATION APPARATUS PROVIDING RAPID CORRECTION FOR EXCESSIVE ERROR
IN DEAD RECKONING ESTIMATES OF...
In a vehicle navigation apparatus having a control section which calculates relative vehicle positions and travel direction by dead reckoning calculations based...
Misfire detection apparatus for internal combustion engine
A misfire detection apparatus for an internal combustion engine determines misfire based on first and second variation amounts calculated based on variations of...
Vehicle headlamp's optical axis control system
A headlamp's optical axis control system for a vehicle includes a infrared light camera for detecting an object on a road in front of the vehicle and a...
Distance measuring apparatus
A distance measuring apparatus controls a forward laser beam to scan a detection area. A photodetector array includes a plurality of photo detecting elements. At...
Distance measurement apparatus
A forward electromagnetic wave is generated in accordance with a succession of pseudo random noise code signals. An echo electromagnetic wave caused by...
Physical quantity detection device with error detection in power supply
A pressure sensor is supplied with a supply voltage from a system control circuit having the function for changing the supply voltage. When the supply voltage is...
Plane commutator with metal base plate and carbon compound segments having
A plane commutator includes a plurality of commutator segments made of carbon compound, a resinous boss member and a plurality of metal base plates. The...
Semiconductor integrated circuit device and method for mounting circuit
blocks in semiconductor integrated...
A plurality of bypass capacitors are associated with a plurality of circuit blocks involved in a microcomputer. Each bypass capacitor is disposed between a power...
Connection structure and connection method of for connecting two circuit
In a connection structure for both first and second circuit boards, plural first terminals are arranged on the first circuit board in an arrangement direction,...
Method for manufacturing semiconductor device by polishing
When an SOI substrate composed of a support wafer and an element formation wafer that are bonded together with an insulating film interposed therebetween is...
Manufacturing method for a gas sensing element
A non-sintered element body having a predetermined shape is fabricated from powdery raw material of a solid electrolytic body. The non-sintered element body is...
Gas concentration measuring apparatus compensating for error component of
A gas concentration measuring apparatus is provided which includes a gas concentration sensor consisting of a pump cell, a sensor cell, and a monitor cell. The...
Concentrically arranged pulley and shaft with one-way clutch
Providing a pulley unit with a reduced diameter, stable operating characteristics, and that is simple and readily removable from an engine is accomplished by a...
Ignition coil assembly for engine
In an ignition coil assembly, a plurality of ignition coils is arranged to be electrically connected to spark plugs received in plug holes of an engine, and a...
Valve timing adjusting apparatus
Upon transmission of a first torque from a first brake portion to a first eccentric shaft, the first eccentric shaft rotates in a retarding direction relative to...
Automotive meter having illuminated pointer
A pointer of a meter such as a speedometer for use in an automobile is so structured that it is observed as if its illuminated length extends upon turning on a...
Semiconductor light projection apparatus and distance measurement apparatus
In performing an light emitting operation using a plurality of semiconductor light-emitting devices, these semiconductor light-emitting devices are lighted up...
Filtering method and A/D conversion apparatus having filtering function
In an A/D conversion apparatus comprising an A/D converter (4) and a digital moving average filter (6) for removing high-frequency signal components, there is...
An ignition coil includes a housing which contains a central core portion, an inner spool having a first winding, and an outer spool having a second winding. The...
Magnetic member for electromagnetic driving device and manufacturing method
A first core is formed by stacking a plurality of magnetic plates of a soft magnetic material, such as iron, in a direction perpendicular to a plane of each...
Input interface circuit for semiconductor integrated circuit device
An input interface circuit for a semiconductor integrated circuit device is provided which includes a pair of diodes, first, second, and third PMOSFETs, and...
Semiconductor integrated circuit device forming power sources having
different voltages for operating circuit...
A microcomputer prevents an unnecessary signal from being outputted before the microcomputer is released from a reset state when the microcomputer includes a...
Ion current detecting device for internal combustion engine
In an engine ignition unit, a transistor and a current detecting resistor are connected to primary and secondary windings of an ignition coil, respectively. The...
Starter control system for automotive vehicle
A starter control system is comprised of a starter motor, a control circuit for controlling the starter motor to rotate at a preliminary rotation speed that is...
Spark plug and ignition apparatus
At least one of a center electrode tip and a ground electrode tip is made of an iridium alloy. A discharge gap, formed between the center electrode tip and the...
Spark plug and method of manufacturing same
A spark plug for an engine comprises a mounting member to be mounted to an engine, an insulator disposed inside the mounting member and formed with an axial...
Semiconductor pressure sensor having strain gauge and circuit portion on
A semiconductor pressure sensor includes a SOI substrate composed of first and second silicon substrates. A diaphragm portion is formed by the first silicon...
Method of fabricating brushes
In a two-layer brush for a commutator, the plane form projected on a commutator surface is nearly similar to the plane form of the segment. A molding die used in...
Apparatus for producing ceramic moldings
An apparatus for producing a ceramic molding having a desired shape by extruding a ceramic material includes a screw type extruder and mold connected to the...
Brake fluid pressure generating device
A brake fluid pressure generating device includes a first valve element connected to an input shaft, a first force device connected to the first valve element to...
Method of attaching mold releasing agent to molding die, molding apparatus
and molding die
A method of attaching a mold releasing agent to a molding die, a molding apparatus and a molding die therefor are disclosed. A fixed die (11) of the molding die...
Heater control apparatus for a gas concentration sensor
An air-fuel ratio sensor is equipped with a sensing element including a solid electrolytic substrate. When the sending element is warmed up and activated by a...
Engine starting method in idling stop condition
The present invention provides an engine starting method from an idling stop condition wherein a preliminary step pushes a pinion to abut with a ring gear when a...
Pressure sensor having semiconductor sensor chip
A semiconductor sensor chip includes a thin diaphragm and an electrical circuit formed on a front surface of the diaphragm. The diaphragm distorts according to a...
Power supply circuit with adaptive error detection and an electronic
control circuit including the same
A supply current is supplied to an error detection circuit for detecting an error condition of an IC of the power supply circuit such as an overheat detection...
Method and apparatus for recognizing object
A transmission wave is applied to a predetermined range in a width-wise direction of a subject vehicle. Objects located ahead of the subject vehicle are...
Electrical wiring of semiconductor device enabling increase in
electromigration (EM) lifetime
A method for manufacturing a semiconductor device having on a silicon substrate semiconductor elements and aluminum (Al) alloy wiring leads as electrically...