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Controller for internal combustion engine
The present invention is directed to provide a controller for an internal combustion engine, capable of suppressing deterioration in drivability of an engine. A...
Air amount detector for internal combustion engine
A response delay compensation element for compensating a response delay of an output g.sub.MAF of an airflow meter by a phase advance compensation is provided so...
Vehicle air conditioner having refrigerant cycle with heating function
In a vehicle air conditioner, a refrigerant cycle system is constructed to switch a cooling refrigerant cycle where an interior heat exchanger is used as an...
Apparatus for controlling catalyst temperature and method for controlling
A catalyst is warmed up by a rapid heating control that retards ignition timing and increases an intake air amount. Then the warm up is completed or a...
Seated person determination apparatus for vehicle seats
The present invention provides a seated person determination apparatus for a vehicle seat that accurately differentiates the type of person seated, or...
Characteristic adjusting method in process of manufacturing products
In a process control data base, intermediate characteristics, processing condition for controlling a characteristic and a final characteristic in a process of...
Mobile station to base station communication and signal acknowledgement
A retransmission value in a digital cellular phone is negotiated using information from the cellular phone, sent to the network.
Revolution detecting device
In a revolution detecting device, a tunneling magnetoresistance sensor having an element located in a region is provided. The tunneling magnetoresistance sensor...
Construction for transmitting displacement of piezoelectric element
Structure for transmitting displacement of a piezoelectric element includes a piston member. A distal-end plate portion has a receiving face adapted to be...
Piezoelectric device and method for producing the same
A stacked piezoelectric device 1 comprising a plurality of piezoelectric layers which are stacked one over another has an abutment 61, 62 which is brought into...
Alternator for vehicles having permanent magnets in rotor
A brushless-type alternator has a rotor, which comprises a pair of pole cores. The pole cores include a plurality of nail parts, respectively. The nail parts are...
Internal combustion engine device
When a load given to the engine 100 is less than a predetermined value, the outside air suction port 104 is closed and only inside air is supplied to the engine...
Polyester resin composition and molding product thereof
A polyester composition comprising (A) 30 to 95 parts by weight of a polybutylene terephthalate resin containing a polybutylene terephthalate-isophthalate...
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...