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.
Piezo actuator drive circuit
A piezo actuator drive circuit comprises a charging path for charging a piezo stack that can be driven by being charged and discharged, an arithmetic circuit for...
Stator for vehicular rotary electric machine and a manufacturing method
To secure insulation between electrical conductors at a coil end, a first electrical conductor at one coil end is arranged so as to intersect a radially adjacent...
Method and apparatus for correcting sensor signal in temperature
A slope correction signal setting unit is configured to output selectively one of a plurality of direct current signals according to the sensed temperature...
Two-dimensional code, methods and apparatuses for generating, displaying
and reading the same
In a two-dimensional code, a plurality of unit cells are arranged in two-dimension. Each of the unit cells indicates one of at least three colors, such as,...
Injection control system of internal combustion engine
An electronic control unit (ECU) of an injection control system of an internal combustion engine measures an engine rotation speed in a period from a time point...
Capacitive humidity sensor
A capacitive humidity sensor includes a detection portion and a reference portion. The detection portion includes detection electrodes and a moisture sensitive...
Secondary air supply system
In the disclosed secondary air supply system, an on-off valve (13) is driven by the discharge pressure of an air pump (12). A diaphragm chamber (44) is arranged...
Method of manufacturing stator winding of rotary electric machine
A method of manufacturing a stator winding includes a twisting step of U-shaped conductor segments having a pair of straight portions by moving the straight...
Apparatus and method for detecting abnormality of a vibration-type angular
velocity sensor, abnormality...
An acceleration sensor, installed together with an angular velocity sensor in the same casing, detects the acceleration induced by the external vibration. Its...
A vehicle navigation system has a plurality of maps, measurement modes, and operation modes. When the measurement mode is a standard in an accuracy priority...
Car navigation system prioritizing automatic travel road
Road map data includes node data indicating a branch point, a junction point, or an intersection point and link data indicating a road between the preceding...
A wireless terminal is designed to prevent the user from having to wait a long time in case fetching of search data takes a long time. The wireless terminal, if...
Radio terminal and fault detection method
Method for detecting transmission power faults in cellular telephones without detecting transmission power. A microcomputer compares a criteria B with an...
Electronic control unit
An electronic control device having a high heat dissipating ability includes a printed board secured to an enclosure and interposed between a case and a cover...
Electronic circuit device including heat-generating element mounted on
An electronic circuit device including a heat-generating element is mounted on a circuit board composed of three laminated layers: a heat-receiving layer on...
An antenna device includes a ground plane, a first radiation element, and a second radiation element that is entirely disposed within the first radiation...
Analog-to-digital converter and method of analog-to-digital conversion
The A/D converter has first and second PPDC circuits (pulse-phase-difference coding circuits). The first PPDC circuit performs A/D conversions on the reference...
A/D conversion device having input level shift and output correction
In an A/D conversion device, one level shift circuit shifts an input voltage to the low potential side by Vt1, and another level shift circuit shifts the input...
On-vehicle device including numerical information notification function
In an ETC on-vehicle device (1), notification of toll amount information is given with a sound production pattern of a buzzer (17). The toll information...
Rotational angle sensing device and assembling method thereof
A magnet is provided to one of two members, which make relative rotation therebetween. First and second Hall elements are arranged adjacent to each other and are...
Spark plug designed to enhance strength of joint of noble metal member to
An improved structure of a spark plug is provided for improving the mechanical strength of joints between a noble metal member made of Ir-alloy and a ground...
Rotary electric machine
A rotary electric machine having an armature winding that includes three first phase-windings that form a .DELTA.-connection winding having output ends and three...
Semiconductor device having aluminum and metal electrodes and method for
manufacturing the same
A semiconductor device includes a semiconductor substrate; an aluminum electrode disposed on the substrate; a protection film disposed on the aluminum electrode;...
Blower unit and air conditioning unit including the same and method of
controlling the same
A blower unit of an air conditioning unit including a scroll casing including a first engaging portion, a fan casing including a first engaging portion, and a...
Inexpensive and easy-to-handle structure of optical information reading
An optical information reading apparatus is provided which is made of an assembly of a barcode reader and a personal digital assistant (PDA). The barcode reader...
Vehicle air conditioner with hot-gas heater cycle
A vehicle air conditioner selectively switches one of a cooling mode in which an interior heat exchanger of a refrigerant cycle is operated as an evaporator for...
Acceleration pedal apparatus
An accelerator pedal is positioned at a kickdown position. Then, an output value of a measurement device of an accelerator pedal position sensor is measured....
Sensor having resin mold casing and method of manufacturing the same
A sensor includes a sensing portion for sensing physical quantity, a connector portion integrated with the sensing portion for electrically connecting the...
Vibration type angular velocity sensor
To cancel in-phase components acting on vibrators of first and second sensor units in an angular velocity sensing direction Y, a differential amplification...
Device and method for detecting force acting on tire
Two axle-side linking portions and two wheel-side linking portions are included in a rotation body. They are alternately arranged in four positions that are...
Vehicle air conditioner having a seat air conditioning unit
In a vehicle air conditioner, a front air conditioning unit and a seat air conditioning unit are automatically controlled by an air conditioner ECU. If a seat...
A fluid machine according to the present invention has an expansion-and-compressor device selectively operating as an expansion device for collecting waste heat...
Exhaust emission control device for internal combustion engine
An engine exhaust emission control device determines a differential pressure across a diesel particulate filter (DPF) to enable regeneration of the DPF at...
Vehicle control system
A vehicle control system has an ECU for controlling an actuator and a sensor ECU that receives a crankshaft signal of a vehicle engine. These ECUs exchange...
Apparatus for controlling engine rotation stop by estimating kinetic
energy and stop position
A control apparatus for an engine increases an intake air quantity just before engine stop to increase a compression pressure in a compression stroke. As the...
Voice control system notifying execution result including uttered speech
A voice recognition unit recognizes a recognition word code corresponding to a speech uttered by a user along with a command code for executing a function of a...
Coolant cooled type semiconductor device
A coolant cooled type semiconductor device capable of achieving a superior heat radiation capability is provided, while having a simple structure. While a...
A voltage-to-time conversion circuit compares a ramp-wave voltage, which steps up at a certain gradient, with each of a reference voltage, an input voltage, and...
Engine control apparatus
An engine control apparatus includes: a stop switch body 6; a stop switch knob 3; a lock plate 5; a transponder 9 that is provided at the lock plate side and...
Method and apparatus for controlling synchronous motor
An apparatus is provided for controlling a synchronous motor. The apparatus comprises a first calculator calculating a voltage characteristic showing a...
Functional device, method of manufacturing therefor and driver circuit
A driver circuit substrate is prepared and a mirror substrate is so provided as to be placed on the driver circuit substrate. Nine mirror elements are lad out on...
Method for manufacturing semiconductor device with semiconductor region
inserted into trench
In a method for manufacturing a semiconductor device of the present invention, a portion of a first epitaxial layer formed in a trench in a silicon substrate is...
Method of producing a semiconductor device
A semiconductor device includes a semiconductor substrate, a cell region in a surface portion of the substrate for operating as a transistor, a gate lead wiring...
Torque transmission device having torque limiter
A torque transmission device includes a pulley, a cylindrical member, a torque limiter and a weight member. The pulley is rotated by torque transmitted from a...
Enclosed-configuration electrically powered compressor having electric
motor with stator coil thereof cooled by...
An enclosed-configuration electrically powered compressor has an electric motor with a segment-type stator coil that is directly cooled by a flow of refrigerant...
Compressor with integral control unit
A compressor for a vehicle air conditioner includes a pressure sensor and a torque computing unit for computing the compressor torque. The compressor also has a...
Mold and method of molding metallic product
A mold M for molding a metallic product including a fixed mold section 2 and a movable mold section 1, wherein heating means 7 is provided in the fixed mold...
Casting method and casting mold
A casting method and casting mold able produce a casting having an island and connecting portion is disclosed. A casting having a body, an opening provided so as...
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...
Map evaluation system, collation device, and map evaluation device
A map evaluation system is equipped with a car navigation device and a map evaluation device. The car navigation system generates difference data indicating a...