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Patent # Description
US-7,034,437 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...
US-7,034,429 Stator for vehicular rotary electric machine and a manufacturing method thereof
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...
US-7,033,071 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...
US-7,032,823 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,...
US-7,032,582 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...
US-7,032,448 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...
US-7,032,375 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...
US-7,032,291 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...
US-7,031,852 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...
US-7,031,834 Navigation system
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...
US-7,031,829 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...
US-7,031,723 Wireless terminal
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...
US-7,031,674 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...
US-7,031,165 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...
US-7,031,164 Electronic circuit device including heat-generating element mounted on circuit board
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...
US-7,030,833 Antenna device
An antenna device includes a ground plane, a first radiation element, and a second radiation element that is entirely disposed within the first radiation...
US-7,030,803 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...
US-7,030,791 A/D conversion device having input level shift and output correction function
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...
US-7,030,776 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...
US-7,030,608 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...
US-7,030,544 Spark plug designed to enhance strength of joint of noble metal member to ground electrode
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...
US-7,030,533 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...
US-7,030,496 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;...
US-7,029,391 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...
US-7,028,905 Inexpensive and easy-to-handle structure of optical information reading apparatus
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...
US-7,028,767 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...
US-7,028,577 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....
US-7,028,568 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...
US-7,028,548 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...
US-7,028,540 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...
US-7,028,493 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...
US-7,028,475 Fluid machine
A fluid machine according to the present invention has an expansion-and-compressor device selectively operating as an expansion device for collecting waste heat...
US-7,028,467 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...
US-7,027,913 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...
US-7,027,911 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...
US-7,027,565 Voice control system notifying execution result including uttered speech content
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...
US-7,027,302 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...
US-7,026,972 A/D converter
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...
US-7,026,912 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...
US-7,026,782 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...
US-7,026,698 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...
US-7,026,248 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...
US-7,026,215 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...
US-7,025,680 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...
US-7,025,577 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...
US-7,025,572 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...
US-7,025,116 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...
US-7,025,114 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...
US-7,024,926 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...
US-7,024,307 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...
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