Yamazaki, Ibaraki
Akihide Yamazaki, Ibaraki JP
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20100218494 | Pump Control Apparatus for Hydraulic Work Machine, Pump Control Method and Construction Machine - A pump control apparatus for a hydraulic work machine includes: a rotation speed setting device that sets a target rotation speed for an engine; a rotation speed control device that controls an engine rotation speed so as to adjust the engine rotation speed to the target rotation speed; a first variable hydraulic pump used to drive a work hydraulic actuator, driven by the engine; a second variable hydraulic pump used to drive a cooling fan, driven by the engine; and a pump control device that controls an output flow rate of the first variable hydraulic pump and an output flow rate of the second variable hydraulic pump so as to ensure that a sum of an intake torque of the first variable hydraulic pump and an intake torque of the second variable hydraulic pump does not exceed an engine output torque determined in advance based upon the target rotation speed. The pump control device a) controls the output flow rate of the second variable hydraulic pump based upon the target rotation speed and a target output flow rate of the second variable hydraulic pump assuring a required cooling air volume at the cooling fan; and b) regulates the intake torque of the first variable hydraulic pump by calculating the intake torque of the second variable hydraulic pump and subtracting the intake torque of the second variable hydraulic pump from the engine output torque determined in advance based upon the target rotation speed. | 09-02-2010 |
Koji Yamazaki, Ibaraki JP
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20080238497 | OPERATIONAL AMPLIFIER HAVING ITS COMPENSATOR CAPACITANCE TEMPORARILY DISABLED - An operational amplifier includes a differential amplifier connected between an input and an output port of the operational amplifier, a phase compensator capacitance connected between the differential amplifier and the output port, a switching transistor for controlling the connection between the phase compensator capacitance and the differential amplifier, a detection transistor responsive to a potential difference between the input and output ports to be rendered conductive, and a control transistor responsive to the detection transistor for controlling the switching transistor. The operational amplifier has its slew rate improved without detracting from stability against oscillation and continuity of the output waveform. | 10-02-2008 |
20090073152 | DRIVE CIRCUIT AND DRIVE DEVICE FOR LIQUID CRYSTAL DISPLAY - The present invention provides a drive circuit suitable for use in a liquid crystal display, comprising an op amp which has an inversion input, a non-inversion input and a first output and of which the inversion input and the first output are connected to each other; a first PMOS transistor having a gate to which a node for the non-inversion input of the op amp is connected, and a source to which a node for the output of the op amp is connected; a first NMOS transistor having a gate to which a drain of the first PMOS transistor is connected, a drain to which the node for the output of the op amp is connected, and a source connected to ground; and a second NMOS transistor having a gate supplied with a predetermined first voltage, a drain to which the drain of the first PMOS transistor is connected, and a source connected to ground. | 03-19-2009 |
20090085788 | MULTI-INPUT OPERATIONAL AMPLIFIER CIRCUIT, DIGITAL/ANALOG CONVERTER USING SAME, AND DRIVER FOR DISPLAY DEVICE USING SAME - A multi-input operational amplifier circuit operable with a high degree of accuracy and in a small area, a D/A converter using the multi-input operational amplifier circuit, and a drive circuit or driver for a display device, using the D/A converter. In embodiments of the multi-input operational amplifier circuit, a constant current source of a third differential amplifier circuit that causes a doubled constant current i×2 to flow with respect to constant current sources of first and second differential amplifier circuits by application of two types of bias voltages thereto is configured using PMOS of the same number and size. Therefore, operations equivalent to those of a conventional circuit may be realized by the three constant current source PMOSs, and a smaller chip size may be required. | 04-02-2009 |
20100214277 | OUTPUT CIRCUIT AND DRIVING CIRCUIT FOR DISPLAY DEVICE - The present invention provides an output circuit that can suppress a voltage drop in an output section of the output circuit and that can suppress a phase delay of an output signal which is feedbacked to an input section of the output circuit. An AC component of a data signal output from an output terminal of an operational amplifier to which an input signal is input, is negatively feedbacked via a capacitor, and is input to an inverting input terminal of the operational amplifier. A DC component of the data signal output from the output terminal, is lowered its potential by a second protective resistor to the same potential as the input signal and is output as an output signal to data lines via respective output pads, and is output to an inverting input terminal of the operational amplifier via a first protective resistor. | 08-26-2010 |
20120249607 | OUTPUT CIRCUIT FOR REDUCING OFFSET FOR USE IN SOURCE DRIVER ADAPTED TO DRIVE LIQUID CRYSTAL DEVICE - An offset-reducing output circuit of a source driver adapted to drive a liquid crystal device. The output circuit includes an operational amplifier having a non-inverting input to receive a reference voltage. The output circuit also includes input and output capacitors. One terminal of the input capacitor and one terminal of the output capacitor are connected to a node extending to an inverting input of the operational amplifier in at least a normal output operation mode. The output circuit also includes a switching circuit to short both terminals of the input capacitor and both terminals of the output capacitor in a reset operation so that the reference voltage is applied to the terminals of the input and output capacitors respectively. The switching device applies a gray scale voltage to an opposite terminal of the input capacitor in a normal operation mode. | 10-04-2012 |
Kouji Yamazaki, Ibaraki JP
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20130300954 | ADHESIVE SHEET FOR IMAGE DISPLAY DEVICE, IMAGE DISPLAY DEVICE, AND ADHESIVE RESIN COMPOSITION - The adhesive sheet for an image display device includes a structural unit derived from the following general formula (a), wherein the glass transition temperature is from 10 to 50° C., and tan δ at 40 to 80° C. is from 0.5 to 1.1, | 11-14-2013 |
Michiko Yamazaki, Ibaraki JP
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20080316623 | LENS MODULE, CAMERA MODULE, AND METHOD OF MANUFACTURING CAMERA MODULE - There are provided first and second lenses, by which light incident from outside is condensed and caused to outgo, a barrel, which holds the first and second lenses, a barrel holding part having a substantially cylindrical shape to hold therein the barrel, a movement device for movement of the barrel holding part in an optical axis direction of the first and second lenses, and a pedestal having a lens receiving portion, which receives therein the barrel holding part in a slidable state, the pedestal receiving therein the barrel holding part contacting in plural lines with an inner wall surface of the lens receiving portion of the pedestal. | 12-25-2008 |
Noboru Yamazaki, Ibaraki JP
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20090169610 | Liposome Preparation - The present invention provides cancer treatment preparations of excellent targetability. The sugar chain-modified liposomes of the present invention, which contain an aromatase inhibitor, anti-androgenic agent, lyase inhibitor, GnRH agonist, GnRH antagonist, anti-angiogenic agent, tyrosine kinase inhibitor, serine-threonine kinase inhibitor, antibody having an anticancer activity, ansamitocin, capecitabine, celmoleukin, docetaxel hydrate, gemcitabine hydrochloride, oxaliplatin, prednisolone, tegafur-uracil mixtures, zinostatin stimalamer or arsenic trioxide may be used as cancer treatment preparations having an excellent targetability. | 07-02-2009 |
20090186073 | Design of Delivery Vehicle Based On Rolling Model - Objects of the present invention are to provide a method for designing an optimum delivery preparation with the use of a convenient experiment and/or assay and to search for the thus produced delivery vehicle. The present invention provides a method for producing a delivery vehicle for achieving the delivery of a desired substance to a desired site, which comprises the steps of: | 07-23-2009 |
Nobushi Yamazaki, Ibaraki JP
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20160084244 | NEGATIVE PRESSURE PUMP AND CYLINDER HEAD COVER - A negative pressure pump has: a casing; a pump portion; a drive-side clutch plate that rotates integrally with a drive shaft, is movable in an axial direction of the drive shaft, and is magnetic; a driven-side clutch plate that rotates integrally with a driven shaft and transmits the rotation of the drive shaft to the driven shaft as a result of the drive-side clutch plate becoming engaged with it; a coil spring that presses the drive-side clutch plate against the driven-side clutch plate; an electromagnet that produces a magnetic force counter to a pressing force and pulls the drive-side clutch plate away from the driven-side clutch plate; and a jutting wall portion that is disposed in the casing and receives the driven-side clutch plate on which the pressing force acts and a jutting wall portion that supports one end portion of the coil spring. | 03-24-2016 |
20160084252 | Negative Pressure Pump and Cylinder Head Cover - A negative pressure pump has: a housing; a rotating shaft having a shaft portion, and a supporting portion ; a vane that is supported at the supporting portion so as to freely move reciprocally in a direction orthogonal to the rotating shaft, and that rotates integrally with the rotating shaft, and whose end portions slide on an inner wall surface, and that sections an interior of the housing into plural spaces; an intake portion that is formed in the housing; a discharging portion that is formed further toward a vane rotating direction downstream side than the intake portion; and a concave portion that is formed in a bottom surface between the discharging portion and a curved surface in a vane rotating direction, and that communicates with a circular hole, and guides the lubricant, that is moved by the vane, to the circular hole. | 03-24-2016 |
Noriyuki Yamazaki, Ibaraki JP
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20100227126 | POSITIVE-TYPE PHOTOSENSITIVE RESIN COMPOSITION, METHOD FOR PRODUCING PATTERNS, AND ELECTRONIC PARTS - A positive-type photosensitive resin composition for electronic materials having good film adhesiveness and sensitivity without causing a corrosion reaction to copper and copper alloys in metal wirings, a method for producing patterns and electronic parts are provided. The positive-type photosensitive resin composition includes (A) a polybenzoxazole precursor having a structure represented by the following general formula (I): | 09-09-2010 |
20130143011 | PHOTOSENSITIVE RESIN COMPOSITION - A photosensitive resin composition including: (a) a polyamide acid; (b) a compound (b1) having 4 or more of a methylol group, a methoxymethyl group and the both thereof, or a compound (b2) represented by the following formula (2); and (c) a photopolymerization initiator. | 06-06-2013 |
Shingo Yamazaki, Ibaraki JP
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20090148246 | DRILLING TOOL WITH DUST COLLECTOR - According to the invention, a drilling tool includes: a driving source; a transmission drive unit for transmitting a rotation force of the driving source; and a dust collector for collecting dust produced from a workpiece drilled by the end tool and blowing air against the workpiece, wherein a filtering means for filtering the air mixed with the collected dust and a centrifugal fan for taking in the filtered air and sending out the filtered air in a circumferential direction are provided, the centrifugal fan is disposed in a housing formed with an airflow sending port for sending a part of the air taken in to the dust collector and a discharge port for discharging a rest of the air to an outside, and a distance from the airflow sending port to the discharge port in a forward direction in a direction of rotation of the centrifugal fan is longer than the distance from the airflow sending port to the discharge port. | 06-11-2009 |
Takahisa Yamazaki, Ibaraki JP
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20090238996 | Substrate For Growth of Carbon Nanotube, Method for Growth of Carbon Nanotube, Method for Control of Particle Diameter of Catalyst for Growth of Carbon Nanotube and Method for Control of Carbon Nanotube Diameter - A substrate for the growth of a carbon nanotube having a catalyst layer microparticulated by using an arc plasma gun. CNT is grown on the catalyst layer by thermal CVD or remote plasma CVD. The particle diameter of the catalyst for the growth of CNT is regulated by the number of shots of the are plasma gun. CNT is grown on the catalyst layer having a regulated catalyst particle diameter by thermal CVD or remote plasma CVD to regulate the inner diameter or outer diameter of CNT. | 09-24-2009 |
Yasuo Yamazaki, Ibaraki JP
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20100024412 | Control Apparatus for Working Vehicle - There are provided: a travel circuit HC | 02-04-2010 |
20100069199 | Gearshift Controller for Industrial Vehicle - A gearshift controller for an industrial vehicle, includes: a speed ratio detection unit that detects a speed ratio of speeds of an input axis and of an output axis of a torque converter; a gearshift control unit that shifts up a speed stage when the detected speed ratio is equal to or more than a first predetermined value and shifts down the speed stage when the detected speed ratio is equal to or less than a second predetermined value, which is smaller than the first predetermined value; and an operation member with which a downshift to the first speed is instructed by operation thereof by an operator. When the downshift is instructed by the operation member, the gearshift control unit controls the speed stage to be kept at the first speed for a predetermined time period regardless of the speed ratio detected by the speed ratio detection unit. | 03-18-2010 |
20100095663 | Travel Control Apparatus for Working Vehicle - There are provided: a first circuit for traveling HC | 04-22-2010 |