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An ultrasonic sensor includes a piezoelectric vibrator, a reverberation measuring device and a compensating device. The piezoelectric vibrator vibrates to...
Semiconductor dynamic quantity sensor
In a semiconductor acceleration sensor (S1), above one side of a first silicon substrate (10) made of a semiconductor and serving as a fixed electrode (11), a...
Capacitance type acceleration sensor
A capacitance type acceleration sensor includes a semiconductor substrate, a weight portion supported with the substrate through a spring portion, a movable...
Evaporative emission leak detection system with brushless motor
An evaporative emission leak detection system provides for detecting a leakage of a fuel vapor evaporating in a fuel tank by using a pressure difference between...
Injector nozzle and method of manufacturing injector nozzle
A fuel injector has an orifice member having an aperture for injecting atomizing and metering fuel. The orifice member is made of a plate material. The orifice...
An engine controller controls an injection quantity or intake airflow supplied to a cylinder of an engine. Constant associated with e running resistance of the...
Electronic control unit for a vehicle
In an electronic control unit for a vehicle, control data is stored in a volatile memory until a predetermined time passes after an ignition switch is turned...
Manufacturing method for a plurality of manufacturing lots
As a basic managing pattern, each manufacturing lot containing at least one workpiece is designated as a main objective to be managed. An appropriate number of...
Communication system, communication method and mobile terminal
A Micro-cell is formed to include a plurality of spot-cells. Communication is executed between a micro-cell base station and a mobile terminal in the micro-cell,...
GPS receiver using software correlation for acquisition and hardware
correlation for tracking
A GPS receiver includes a CPU for synchronously acquiring the GPS satellites by using software correlating and a hardware section composed of multiple hardware...
Rotation angle detecting device
A rotation angle detecting device includes a magnet, a magnetic flux concentrator, a first magnetic sensor, and a second magnetic sensor. The magnet is provided...
Pressure detecting device
A pressure detecting device includes a semiconductor substrate (30, 200, 300, 400) for outputting an electrical signal corresponding to an applied pressure...
Optical object detection apparatus designed to monitor front and lateral
zones of vehicle
An optical detection device for vehicles such as a laser radar is provided. The device consists of frontal and lateral object detection optical systems to...
Cooling system for vehicle
In a cooling system for cooling a heating element mounted in a vehicle, a radiator is located at a position higher than a heat sink, which absorbs heat from the...
Flow amount control device
A filter is annularly attached around a peripheral wall of a housing. The filter is composed of a filtering element that covers a fluid passage for inhibiting...
Angular velocity sensor device
An angular velocity sensor device includes a switch (S1) for selecting a first or second driving signal mutually opposite in phase applied to driving electrodes...
Multipath assistance for pilot phase measurement processes
A method for enhancing the accuracy of Advanced Forward Link Trilateration (AFLT) position location calculations is disclosed. A position determination entity...
Mobile station having indoor/outdoor mode shifting function
In a mobile station, a period for receiving a GPS signal from a predetermined satellite based on data for satellite reception is set up by a timer, and the GPS...
Method and apparatus for discriminating a target objective, and related
An average power value of a peak pair corresponding to a subjective target objective is converted into a radar cross section, to calculate a normalized average...
Rotation position detecting device
A rotation position detecting device includes an angular signal generator which generates pulses the cycle period of which is even or equal when a rotating...
Parking assistance system
During a period until a subject vehicle stops to go back for being parked, detection distance data items and advance distance data items are obtained by using an...
Operating device in a vehicle
An operating device in a vehicle has hierarchical display screens. The hierarchical display screens have operation items for operating an operational object. An...
In-vehicle-device control system varying manipulation item display
A manipulation display area and an operation state display area are disposed in a display. The manipulation display area is divided into a constant area and a...
Multi-rotor synchronous machine permitting relative movement between
A compact and reliable structure of a multi-rotor synchronous machine which may be employed as a generator/motor for automotive vehicles is provided. The machine...
Rotary electric machine
In a vehicular alternator, a stator is arranged to oppose a rotor in a housing. The stator includes a stator core, which forms a plurality of slots extending in...
Semiconductor device having radiation structure
A semiconductor device includes two semiconductor chips that are interposed between a pair of radiation members, and thermally and electrically connected to the...
Sensor having membrane
A sensor includes a detector for detecting physical quantity, a membrane, and a stress relaxation area. A stress is expected to concentrate in the stress...
In an electric compressor, in which an electric motor and a compressor driven thereby are integrated, in order to prevent a reduction in the durability of the...
Method for displaying and reading information code for commercial
An optical information reader for settling a commercial transaction reads and decodes with certainty a quick response (QR) code displayed on a buyer's mobile...
Throttle control apparatus having internally supporting structure
A throttle apparatus includes a throttle body having a motor insertion hole in which a motor is received. The throttle body has an undercut groove...
Control apparatus and control method for internal combustion engine
A control apparatus for controlling an internal combustion engine includes a flow rate sensor that detects an intake air flow rate that represents a flow rate of...
A starting apparatus for starting an engine has a drive motor and a reduction gear. The reduction gear includes a shock absorbing member and restricting members....
A load-detecting device includes a supporting member, a load transfer member, a load sensor, and a load sensor supporting member. The load transfer member is...
A pressure sensor includes a metal stem having a diaphragm, and a semiconductor substrate in which an insulation layer is inserted between first and second...
Gas sensor having improved structure for installation of protective cover
An improved structure of a gas sensor is provided which is designed to provide for firm installation of the protective cover assembly on a cover mount of a...
Abnormality detecting device for gas sensor
In a device for detecting an abnormality of a gas sensor having a detected cell in which a pair of electrodes are provided on a solid electrolyte material, a...
Vehicle electronic control apparatus incorporating a plurality of
microcomputers and implementing a...
A vehicle ECU (Electronic Control Unit) has a main microcomputer and an auxiliary microcomputer, with the main microcomputer periodically executing a processing...
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...
Forward-link rescue synchronization method and apparatus
A method and apparatus are disclosed for efficiently synchronizing the transmission and reception of the rescue channel from the network and to the failing MS,...
Data relay unit and multiplex communication system capable of inhibiting
data relay in response to failure
A multiplex communication system includes a plurality of networks and a data relay unit. Each node included in each network resets a relay flag which is a...
Stick-type ignition coil having improved structure against crack or
A stick-type ignition coil have a central core, a cylindrical member, primary spool, primary coil, secondary spool, secondary coil, outer core and a resin...
Rotational direction detecting apparatus for a three-phase brushless DC
A region judging circuit judges an electric angle region of a three-phase brushless DC motor based on an output signal of a resolver. A latch timing output...
Electric rotary machine equipped with stator coil consisting of
sequentially connected conductor segments
Three partial coils are accommodated in inphase slots arranged successively in the circumferential direction and also accommodated in the same conductor...
Semiconductor device having passivation cap and method for manufacturing
A semiconductor device includes a semiconductor wafer having a weak portion and a removable passivation cap disposed on the wafer for covering the weak portion....
Gas sensor and method of detecting gas concentration
A gas sensor includes a measurement gas chamber into which a measurement gas is introduced. An oxygen pumping cell adjusts an oxygen concentration in the...
Fuel injection device
In an injection hole plate of a fuel injection device, injection holes are arranged about a circle. Fuel injected from the injection holes forms a flat...
Heat accumulator for vehicle use
A heat accumulator for vehicle use, attached to a vehicle, has a double tank structure composed of an outer tank and an inner tank, a space formed between the...
Aluminum heat exchanger
In an adsorber for an adsorption type refrigerator of the present invention, aluminum heat exchangers 120, 130 arranged in a casing 110 are provided with films...
Pressure control valve
A pressure control valve, which has a main valve for control, capable of opening and closing a valve hole by means of a diaphragm, and controls the pressure of a...
A starting apparatus includes a drive motor and a reduction gear having a planetary gear for starting an engine by the drive motor via the reduction gear. An...