At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.
Image display apparatus
An image display apparatus comprises a hologram screen 2 formed by bonding a hologram element 20 to light-transmissible films 21 and an illumination device 11...
Operational amplifier in which the idle current of its output push-pull
transistors is substantially zero
A high slew rate operational amplifier circuit of which the through current of its push-pull transistors is substantially zero is disclosed. The operational...
Device and method for detecting engine combustion condition
A combustion condition detecting device detects combustion ions between opposing electrodes in a combustion chamber by ion current flowing between the electrodes...
Magnetic sensor and manufacturing method therefor
Magnetoresistive devices are formed on the insulating surface of a substrate made of silicon. The devices are connected in series through an insulating film...
Voltage regulator for alternator and method of controlling power generation
In an alternator, failure in a power supply line connected to an output terminal of a rectifier is detected. Upon detection of a failure in this power supply...
Electric discharge lamp device
An electric discharge lamp device prevents a temperature rise in the circuit device when an electric discharge lamp (30) is operated without the use of a high...
Integrally fired, laminated electromechanical transducing element
An integrally fired, laminated electromechanical transducing element, fabricated using an inexpensive electrode material and having the electrode characteristic...
Connector for button battery contained in electronic device
A button battery having a circular plus terminal formed around its outer periphery is electrically connected to a circuit board through a connector mounted on...
Gas compressor apparatus having a discharge pulsation reducing cooler
A discharge pulsation reducing cooler B is provided to cover the circumferential periphery of a compressor A. The discharge pulsation reducing cooler B has a...
Electromagnetic valve device
In an electromagnetic valve device having a valve housing, a valve member slidably accommodated in the valve housing to control oil communications among ports...
Air conditioner for vehicle
An air conditioner for a vehicle having a passenger compartment has an electric-powered hot water pump in addition to a mechanical hot water pump driven by an...
Evaporative emission control apparatus
In a double-acting diaphragm pump, a diaphragm is provided to divide a pump body into two pump chambers. An electromagnetic-type reciprocating actuator is...
Method for machining slots in molding die
An improved method of machining slots and material feed holes in a molding die such as an extrusion die designed to form a honeycomb structure of ceramics...
Control apparatus of internal combustion engine
The ignition timing is sustained at an initial value during a predetermined time beginning at a start of an engine, and is retarded after the predetermined time...
Wireless communication device capable of saving battery power by switching
A PDC/PHS phone has both PDC communication function and PHS communication function. The PDC/PHS phone switches its communication mode from a PDC communication to...
Vehicle alternator having rectifier circuit using diode and FET
A vehicle alternator includes a permanent magnet rotor, a stator having armature coils, and a rectifier circuit. In the rectifier circuit, schottky barrier...
Piezoelectric actuator with insulating member separate from piezoelectric
In a piezoelectric actuator 1 using a laminated piezoelectric device 10 having a plurality of layered piezoelectric layers, a metal case 2 is provided on the...
Semiconductor device including bonded wire based to electronic part and
method for manufacturing the same
Several electronic parts are mounted on several ceramic substrates in a semiconductor device, and are wire bonded to the respective ceramic substrates through...
Method for vibrating, melting and bonding resin parts
The present invention provides a method for vibrating, melting and creating well-bonded resin parts. Pressing the resin parts is started and then the pressing...
Functional combined equipment for motor vehicle
A shaft of a planetary gear mechanism is connected via a lock mechanism to an air-conditioner compressor. A shaft is connected to an engine, and a shaft is...
A turbine pump includes a casing having an inlet, an outlet and front and rear arc-shaped pump passages and an impeller. The impeller has plural impeller...
Automatic headlight axis direction control for vehicles
A DC motor is driven with a predetermined driving signal thereto before a headlight axis direction control is started by using a headlight axis control angle...
Structure of fuel injector for avoiding injection of excess quantity of
A fuel injector is provided which is designed to suppress unwanted vibrations of a nozzle needle-actuating piston, thereby avoiding the injection of an excess...
Electrically-powered steering device
An automotive electrically-powered steering device is provided which is easy of assembly and electric connections. The steering device includes an electric...
Device for detecting tensile force of seat belt
A device for detecting a tensile force of a seat belt composed of an elastic plate having a strain gauge mounted thereon and a protecting plate overlapped on the...
Condenser for vehicle air-conditioning systems
A condenser for vehicle air-conditioning systems, comprising a pair of parallel distributors (12) between which there is set a heat-exchange core (14) including...
Method and apparatus for inspecting for airtightness failure
An airtightness failure inspection method according to the present invention comprises an initial step of generating an independent constant flow of gas in the...
Ejector decompression device with throttle controllable nozzle
An ejector for a refrigerant cycle includes a nozzle having therein a refrigerant passage, and a needle valve provided in the refrigerant passage of the nozzle...
Air conditioner with ejector cycle system
An air conditioner with an ejector includes first and second interior heat exchangers for performing heat-exchange between refrigerant and air to be blown into a...
Ejector cycle system
In an ejector cycle system, a variable throttle is disposed at an upstream side of an ejector. When high-pressure side refrigerant pressure in the ejector cycle...
Refrigerating cycle device for vehicle and controlling method thereof
A vehicle refrigerating cycle device capable of preventing the air-conditioning from becoming inadequate and capable of improving vehicle fuel economy is...
Failure diagnostic system and electronic control unit for use in diagnosing
failure of vehicle
A center stores functional modification information and failure information, which are associated with each other. The modification information is used to store...
Control system for electric power steering apparatus
A control system for an electric power steering apparatus detects calculation anomalies in a CPU regardless of the magnitude of a modified control quantity. The...
Discharge lamp device having discharge lamp and circuit unit directly
A headlight device includes a discharge lamp, a circuit unit and a heat radiating member. The circuit unit is directly connected to the discharge lamp to apply a...
Flat rotary electric machine
A flat rotary electric machine to be mounted in a vehicle engine includes an annular stator core with a plurality of teeth and an armature winding and a field...
Rotary electric machine and method for manufacturing the same
A rotary electric machine has a stator winding. The stator winding has a plurality of conductors wound one over another. The conductors are wound with left and...
Connector partially having larger wire bonding area
The bonding area of an outer contact terminal of a connector and the bonding area of an inner contact terminal are rectangular and different in width. The...
Cooling apparatus boiling and condensing refrigerant with effective
performance in a tilted position
Among four plate 21 to 24 that make up a refrigerant container, an intermediate plate 22 in contact with a heat receiving plate 21 is so provided with...
Fuel injection pump having feed pump assembly
In a fuel injection pump, fuel discharged from a feed pump assembly is supplied to each pressurizing chamber through a corresponding metering valve. A portion of...
Ignition system with ion current detecting circuit
An ignition system has an ignition circuit and an ion current detecting circuit. The ignition circuit has an ignition coil that has relatively low inductance of...
Thermostat malfunction detecting system for engine cooling system
A malfunction of a thermostat in a coolant circulating path is detected from an engine side coolant temperature in consideration of the following behavior of the...
Vehicle air conditioner with defrosting operation of exterior heat
In a vehicle air conditioner with a heat pump cycle having an interior heat exchanger and an exterior heat exchanger, when a frosting on a surface of the...
Refrigerant cycle system with hot gas heating function
In a refrigerant cycle system with a hot gas heater cycle, a pressure difference (.DELTA.Pd) between a high-pressure side refrigerant pressure of the hot gas...
Portable terminal device with power saving backlight control
A cellular phone has back light illumination for its display unit and a key unit, and is capable of receiving internet information, receiving karaoke songs, or...
Hot-water heating apparatus for electric vehicle and hybrid vehicle
A hot water heating apparatus for an electric vehicle and a hybrid vehicle has a compact heat source apparatus not requiring a wide space for setting. A...
Processing reduction in CDMA telephones
A system of adjusting times between predetermined searches. The searching in a CDMA telephone is adjusted according to the load on the CDMA telephone processor....
Variable delay circuit, and differential voltage-controlled ring oscillator
using the same, and PLL using the...
An inventive voltage-controlled ring oscillator provides a relatively stable oscillation frequency even with a lower power supply voltage. The oscillator...
Load-driving semiconductor device
In a composite IC in which integrated are a power transistor, a bipolar analog circuit and a MOS logic circuit, a load-driving semiconductor device is provided...
Physical quantity detection device with temperature compensation
First and second resistors (sensing elements) are connected in series between first and second potentials. The junction point voltage between the first and...
Spark plug for an engine for a cogeneration system
In a side ground electrode type of spark plug, sizes of discharge members are optimized to reduce a useless portion in discharging to improve discharge wear...