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Communications system and packet structure
In a communications system, a transmitter transmits message data included in communications packets to a receiver. A data region of the communications packet...
Navigation apparatus for vehicle
A vehicle navigation apparatus displays an expressway guide diagram indicating the names of plural exits at which a travelling vehicle can exit an expressway and...
Vehicle integration control system and program
A vehicle integration control system includes a manager controller and a driving system controller. The manager controller sets a target generation driving force...
Mobile station expediting location registry to base station
When a cell phone fails in location registry to a base station, it removes the base station from a candidate group. Then it searches for and captures, for the...
Vehicular communications system
In a case that a gateway unit connected with multiple networks receives mode managing data indicating an operating mode from a first network, the gateway unit...
Optical gas sensing apparatus
An optical gas sensing apparatus for sensing gas includes a tubular housing member, a column light source member, a column light sensing element member and an...
A radar apparatus includes an error correction section and a distance calculation section. The error correction section corrects an estimate error of a peak...
Navigation apparatus and program of the same
A navigation apparatus of a vehicle includes: storage means for storing information about the vehicle and a road area; and guide route calculating means for...
Portable device for electronic key system and system for reminding user to
carry portable device
A portable device in an electronic key system has a motion detection sensor to detect its motion from a continuation of standing state over a specified period of...
Capacitive-type physical quantity sensor
A substrate forming a sensor element is connected to a non-inverting input terminal of an operational amplifier, and a common voltage is applied thereto from a...
Method of driving fan motor
A fan motor is driven under a pulse width modulation (PWM) control. PWM signals to be supplied to a circuit for driving the fan motor are formed from carrier...
Semiconductor device having semiconductor element, insulation substrate
and metal electrode
A semiconductor device includes: first and second metal electrodes having inner surfaces facing each other; a semiconductor element sandwiched between the...
Semiconductor device having IGBT and diode
A semiconductor device includes: a semiconductor substrate having first and second semiconductor layers; an IGBT having a collector region, a base region in the...
Load sensor, method of detecting load and pedestrian protection system
A load sensor includes a optical fiber sensor that provides output analog signals in response to shocks of various magnitudes caused by hits by a vehicle on...
Pressure sensor for a vehicle
A pressure sensor includes a case with an air passageway having a first opening leading to an inside of the case and a second opening leading to an outside of...
Device for utilizing waste heat from heat engine
A device for utilizing waste heat from a heat engine comprises a Rankine cycle including a pump, a heating device, an expansion device, and a condenser device,...
Waste heat recovery system of heat source, with Rankine cycle
A waste heat recovery system of an engine has a cooling water circuit and a Rankine cycle. Cooling water is circulated between the engine and a radiator in the...
Apparatus and method for driving inverter circuit
An inverter apparatus includes an inverter circuit, a temperature sensor, and a control circuit. The inverter circuit is driven by a PWM signal and includes...
Switching circuit having two MOS-FETS
A switching circuit of the present invention can be advantageously used in an electronic control unit mounted on an automotive vehicle. The switching circuit is...
Torque transmission device
A plate (13(e)), the outer diameter side of which is fixed to be integral with a plate section (13c), and which is provided with an engagement part (13g) to be...
Front end structure of vehicle
A front end structure of a vehicle surrounding heat exchangers with ducts to thereby improve the heat exchangers in cooling ability, that is, a front end...
Starter having excessive-torque-absorbing device
A starter for cranking an internal combustion engine includes an electric motor, a planetary gear speed reduction device for reducing a rotational speed of the...
Learning method of injection characteristic and fuel injection controller
A learning time counter is started and updated if an operation state is stabilized after shifting to a certain operation range. Then, convergence of a FCCB...
Control apparatus and control method for internal combustion engine
A control apparatus for an internal combustion engine provided with a fuel supply mechanism capable of adjusting a fuel supply amount includes a flow rate sensor...
Vehicle control device
First, it is determined that a measurable distance of a laser radar device is a first threshold value being an extremely short measurable distance or below,...
Test mode circuit and reset control method therefor
A power control circuit is provided in a vehicle control ECU mounted in a vehicle. The control circuit, when making a shift to a test mode by a test mode...
The digitization apparatus includes, as a main scale, a pulse delay circuit constituted by a plurality of delay units connected in series or in ring form, a...
Driver fatigue assessment device and method
A driver fatigue assessment device may include; a look information generator to generate look information regarding at least one of a driver's direction of a...
Structure of spark plug ensuring stability in location of production of
A small-sized spark plug is provided which ensures the stability in the location of production of sparks between center and ground electrodes. The center and...
Brushless automotive alternator having improved structure for minimizing
temperature of auxiliary rectifying...
According to the present invention, a brushless alternator includes a stationary field winding, a rotor with a rotary shaft, a bearing rotatably supporting an...
Optical information reader and method of reading optical information
In an optical information reader for optically reading a target based on a light reflected from the target, a translucent optical member is located on an optical...
In a heat exchanger, a core has a first core portion including first tubes and a second core portion including second tubes. The first tubes defines first...
Controller of internal combustion engine
A rotation speed calculation interval is set near a combustion top dead center of each cylinder of an engine. An interval rotation time necessary for a...
Valve timing controller
A valve timing controller includes a driving circuit, a control circuit, and a signal line. The driving circuit controls electricity applied to the electric...
Gauge laser pointer
A gauge has a face plate which includes indicia thereon to indicate specific values of a parameter. A laser system is disposed behind and/or in front of the face...
Portable device for electronic key system
The body of a portable device of an electronic key system includes a lock mechanism for removably holding an emergency key held in a housing of the body. The...
Diagnosis apparatus for secondary air supply apparatus
A secondary air supply system includes a supply passage, a valve, and a detecting unit. Secondary air is supplied to the upstream of a purification apparatus in...
In-vehicle control apparatus communicably coupled through a communication
A control apparatus is communicably coupled through an in-vehicle communication line to a device. The control apparatus is operative to control an equipment unit...
Mobile antenna mounted on a vehicle body
In a mobile antenna, an electrically conductive antenna element has a first portion with one end and the other end extending therefrom. The one end of the first...
Position detecting apparatus having electric motor and method for
A reference position detecting apparatus includes an electric motor and a motor control unit. The electric motor includes a plurality of first coils and a...
Method of diagnosing main relay by use of electronic control unit and
electronic control unit
The electronic control unit includes a control section monitoring a manipulation of an ignition switch of a vehicle, and a timer section for automatically...
Gas concentration detecting apparatus
In a gas concentration detecting apparatus, a voltage is applied to electrodes of a sensor element. A change is caused in either the applied voltage or an...
Production method of ultrasonic weld assembly
When a weld area of weld surface between a flange portion 3a of a pipe 3 and a flange portion 4a of a pipe connection member 4 is S and total energy consumed on...
Variable valve timing apparatus
In the case where an intake valve has its phase in a first region between a most retarded angle and CA(1), the rotational speed of relative rotation between an...
Acceleration sensor and process for the production thereof
A single crystal silicon substrate (1) is bonded through an SiO.sub.2 film (9) to a single crystal silicon substrate (8), and the single crystal silicon...
Microcomputer having rewritable nonvolatile memory
A CPU, when shifting to a sleep mode, discontinues the oscillating operations of an oscillation circuit and of a frequency multiplier circuit through a low power...
Data processor for processing pieces of data being successively sampled at
In a data processor for processing pieces of input data successively sampled, a memory unit and a plurality of data transferring units for transferring data are...
Vehicle occupant protection system
A vehicle occupant protection system includes a plurality of satellite sensors, a control unit, and a plurality of bus lines. The satellite sensors detect a...
Control apparatus for electric vehicles
In a hybrid vehicle control apparatus, a motor control unit executes a system voltage stabilization control, in which an input power to a MG unit is controlled...
A piezoelectric actuator 1 includes a piezoelectric element 2, which has a pair of electrodes formed on the surface of a piezoelectric ceramic member, as a drive...