Patent application number | Description | Published |
20080246426 | Control system for multiphase rotary machines - A control system aims at converting, via a switching circuit, a direct current voltage into an alternating current voltage to be applied to multiphase windings of a multiphase rotary machine to thereby control rotation of the multiphase rotary machine. In the control system, a command voltage determiner determines a command voltage value for an alternating current voltage to be applied to the multiphase windings based on a zero crossing of a line-to-line current and a zero crossing of the amount of change in the line-to-line current. A driving unit drives the switching circuit on and off based on the determined command voltage value to thereby modulate the direct current voltage to the alternating current voltage to be applied to the multiphase windings. | 10-09-2008 |
20120206077 | APPARATUS FOR CALCULATING ROTATIONAL POSITION OF ROTARY MACHINE - In a system, a superimposing element sets a command value vector of a high-frequency voltage signal and superimposes the high-frequency voltage signal with the command value vector on an output voltage of an inverter. The high-frequency voltage signal has a frequency higher than an electrical angular frequency of a rotary machine. The command value vector is correlated with a measured high-frequency component value of a current signal flowing in the rotary machine. A calculating element calculates a rotational angle of the rotary machine based on the measured high-frequency component value of the current signal flowing in the rotary machine. A reducing element controls at least one of the inverter and a direct voltage power supply to reduce a difference due to the dead time between the command value vector and a vector of a high-frequency voltage signal to be actually superimposed on the output voltage of the inverter. | 08-16-2012 |
20120217849 | APPARATUS FOR CALCULATING ROTATIONAL POSITION OF ROTARY MACHINE - In a system for driving an inverter, a superimposing element superimposes, on an output voltage of the inverter. The high-frequency voltage signal is correlated with a measured high-frequency component value of a current flowing in the rotary machine. A calculating element calculates a rotational angle of the rotary machine based on the measured high-frequency component value. A dead-time compensating element shifts a start edge and an end edge of an on duration for each of first and second switching elements of the inverter by a preset same time to compensate for an error due to dead time. A current manipulating element manipulates a current flowing in the rotary machine to maintain an accuracy of calculation of the rotational angle. | 08-30-2012 |
20130272046 | POWER CONVERSION DEVICE - The power conversion device includes a plurality of semiconductor modules, each having a main body section including a switching element therein. In a module unit, a positive module and a negative module are disposed such that main surfaces of the respective main body sections oppose each other. A positive terminal, a first intermediate terminal, a negative terminal, and a second intermediate terminal project in a Z direction perpendicular to X direction in which the positive module and the negative module oppose each other. A first vector V | 10-17-2013 |
Patent application number | Description | Published |
20110216131 | LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS, AND PIEZOELECTRIC ELEMENT - There are provided a piezoelectric element comprising a first electrode, a piezoelectric layer and a second electrode, the piezoelectric layer is made of a piezoelectric material that contains a bismuth ferrite and silicon dioxide. | 09-08-2011 |
20140284480 | INFRARED SENSOR AND HEAT SENSING ELEMENT - An infrared sensor includes a heat sensing element, the heat sensing element includes a first electrode, a second electrode and a dielectric film formed between the first electrode and the second electrode. The heat sensing element senses heat based on a change of a resistance value. The dielectric film includes at least Bi and Fe. | 09-25-2014 |
20140290725 | PHOTOELECTRIC CONVERSION ELEMENT AND PHOTOVOLTAIC CELL - A photoelectric conversion element includes a ferroelectric layer; a first electrode provided on a surface or a surface layer portion of the ferroelectric layer; a second electrode provided on a surface or a surface layer portion of the ferroelectric layer, and allowing a voltage to be applied between the first electrode and the second electrode, and a pair of lead-out electrodes that extract electric power from the ferroelectric layer, in which the first electrode and the second electrode are arranged alternately in a predetermined direction. | 10-02-2014 |
20140290733 | PHOTOELECTRIC CONVERSION ELEMENT AND PHOTOVOLTAIC CELL - A photoelectric conversion element includes a ferroelectric layer as a photoelectric conversion layer. The ferroelectric layer is formed from a polycrystalline ferroelectric material and includes a plurality of domains. Adjacent two of the plurality of domains have different polarized states. | 10-02-2014 |
20140290734 | PHOTOELECTRIC CONVERSION ELEMENT AND PHOTOVOLTAIC CELL - A photoelectric conversion element includes a ferroelectric layer; a first electrode and a second electrode provided on a surface or a surface layer portion of the ferroelectric layer; a common electrode provided on a surface or a surface layer portion of an opposite side to a side of the ferroelectric layer on which the first electrode and the second electrode are provided; and a pair of lead-out electrodes extracting electric power from the ferroelectric layer, in which the first electrode and the second electrode are arranged alternately in a predetermined direction. | 10-02-2014 |
Patent application number | Description | Published |
20090174754 | INSULATING TARGET MATERIAL, METHOD OF MANUFACTURING INSULATING TARGET MATERIAL, CONDUCTIVE COMPLEX OXIDE FILM, AND DEVICE - An insulating target material for obtaining a conductive complex oxide film represented by a general formula ABO | 07-09-2009 |
20090230346 | PIEZOELECTRICS, PIEZOELECTRIC ELEMENT, AND PIEZOELECTRIC ACTUATOR - A piezoelectric body includes a perovskite type compound that is expressed by a compositional formula being Pb (Zr | 09-17-2009 |
20090243438 | PIEZOELECTRIC MATERIAL AND PIEZOELECTRIC ELEMENT - A piezoelectric element includes a first electrode, a piezoelectric film disposed on the first electrode, and a second electrode disposed on the piezoelectric film. The piezoelectric film is composed of piezoelectric material that is lead free and formed by mixing 100(1−x)% of material A having a spontaneous polarization of 0.5 C/m2 or greater at 25° C. and 100 x % of material B having piezoelectric characteristics and a dielectric constant of 1000 or greater at 25° C., wherein (1−x)Tc(A)+xTc(B)≧300° C., where Tc(A) is the Curie temperature of the material A and Tc(B) is the Curie temperature of the material B. | 10-01-2009 |
20090246360 | OXIDE SOURCE MATERIAL SOLUTION, OXIDE FILM, PIEZOELECTRIC ELEMENT, METHOD FOR FORMING OXIDE FILM AND METHOD FOR MANUFACTURING PIEZOELECYTRIC ELEMENT - An oxide source material solution for forming an oxide film having a composition expressed by Pb | 10-01-2009 |
20120086758 | PIEZOELECTRIC MATERIAL AND PIEZOELECTRIC ELEMENT - A piezoelectric element includes a first electrode, a piezoelectric film disposed on the first electrode, and a second electrode disposed on the piezoelectric film. The piezoelectric film is composed of piezoelectric material that is lead free and formed by mixing 100(1−x) % of material A having a spontaneous polarization of 0.5 C/m2 or greater at 25° C. and 100 x % of material B having piezoelectric characteristics and a dielectric constant of 1000 or greater at 25° C., wherein (1−x)Tc(A)+x Tc(B)≧300° C., where Tc(A) is the Curie temperature of the material A and Tc(B) is the Curie temperature of the material B. | 04-12-2012 |
20130147880 | PIEZOELECTRIC MATERIAL AND PIEZOELECTRIC ELEMENT - A piezoelectric element includes a first electrode, a piezoelectric film disposed on the first electrode, and a second electrode disposed on the piezoelectric film. The piezoelectric film is composed of piezoelectric material that is lead free and formed by mixing 100 (1-x) % of material A having a spontaneous polarization of 0.5 C/m2 or greater at 25° C. and 100 x % of material B having piezoelectric characteristics and a dielectric constant of 1000 or greater at 25° C., wherein (1-x) Tc (A)+x Tc (B) >300° C., where Tc (A) is the Curie temperature of the material A and Tc (B) is the Curie temperature of the material B. | 06-13-2013 |
Patent application number | Description | Published |
20110216130 | PIEZOELECTRIC ELEMENT, LIQUID EJECTION HEAD, AND LIQUID EJECTION DEVICE - A piezoelectric element having a piezoelectric layer and electrodes. The piezoelectric layer is 3 μM or less in thickness. The piezoelectric layer is made of a piezoelectric material containing a perovskite compound including bismuth manganate ferrate and barium titanate. The piezoelectric layer is preferentially oriented with the (110) plane. The position (2θ) of the X-ray diffraction peak attributed to the (110) plane is 31.80° or more and 32.00° or less. | 09-08-2011 |
20110216133 | PIEZOELECTRIC ELEMENT, LIQUID EJCTION HEAD, AND LIQUID EJECTION DEVICE - A piezoelectric element having a piezoelectric layer and electrodes. The piezoelectric layer is 3 μm or less in thickness. The piezoelectric layer is made of a piezoelectric material containing a perovskite compound including bismuth manganate ferrate and barium titanate. The piezoelectric layer is preferentially oriented with the (110) plane. A full width at half maximum of the X-ray diffraction peak attributed to the (110) plane is 0.24° or more and 0.28° or less | 09-08-2011 |
20110217454 | METHOD FOR MANUFACTURING PIEZOELECTRIC FILM - A method for manufacturing a piezoelectric film includes: forming a piezoelectric precursor film including Bi, Fe, Mn, Ba, and Ti; and obtaining a piezoelectric film preferentially oriented with the (110) plane by crystallizing the piezoelectric precursor film. | 09-08-2011 |
20130141496 | LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS, AND PIEZOELECTRIC ELEMENT - A liquid ejecting head which discharges a liquid from nozzle openings includes: a piezoelectric element which is provided with a piezoelectric layer and an electrode provided on the piezoelectric layer, and the piezoelectric layer is formed of a complex oxide having a perovskite structure which contains bismuth, iron, barium, titanium, and at least one selected from the group consisting of copper, nickel, and zinc. | 06-06-2013 |
20140092176 | LIQUID EJECTION HEAD, LIQUID EJECTION DEVICE - A liquid ejection head including a piezoelectric element having a piezoelectric layer and electrodes The piezoelectric layer is 3 μm or less in thickness. The piezoelectric layer is made of a piezoelectric material including bismuth manganate ferrate and barium titanate. The piezoelectric layer is preferentially oriented with the (110) plane. | 04-03-2014 |
20140251436 | PHOTOELECTRIC CONVERSION ELEMENT AND PHOTOVOLTAIC CELL - A photoelectric conversion element includes a PN junction formed from an N-type oxide layer and a P-type oxide layer. The P-type oxide layer is formed from an oxide having a perovskite structure. | 09-11-2014 |
20140264028 | SENSOR - A sensor includes a first electrode, a second electrode, a ferroelectric element that is disposed between the first electrode and the second electrode and that has a ferroelectric film formed of a ferroelectric substance, and a detector configured to read an electric charge generated in the ferroelectric element. The detector performs reading by applying a first voltage for aligning polarization directions of the ferroelectric film and a second voltage for reversing polarization of at least part of the ferroelectric film whose polarization directions have been aligned. | 09-18-2014 |
20150084151 | PHOTOELECTRIC CONVERSION ELEMENT AND METHOD OF MANUFACTURING THE SAME - A photoelectric conversion element includes a first electrode, a ferroelectric layer provided on the first electrode, and a second electrode provided on the ferroelectric layer, the second electrode being a transparent electrode, and a pn junction being formed between the ferroelectric layer and the first electrode or the second electrode. | 03-26-2015 |
Patent application number | Description | Published |
20080296738 | GaAs semiconductor substrate and fabrication method thereof - A GaAs semiconductor substrate includes a surface layer. When an atomic ratio is to be calculated using a 3d electron spectrum of Ga atoms and As atoms measured at the condition of 10° for the photoelectron take-off angle θ by X-ray photoelectron spectroscopy, the structural atomic ratio of all Ga atoms to all As atoms (Ga)/(As) at the surface layer is at least 0.5 and not more than 0.9, the ratio of As atoms bound with O atoms to all Ga atoms and all As atoms (As—O)/{(Ga)+(As)} at the surface layer is at least 0.15 and not more than 0.35, and the ratio of Ga atoms bound with O atoms to all Ga atoms and all As atoms (Ga—O)/{(Ga)+(As)} at the surface layer is at least 0.15 and not more than 0.35. Accordingly, there is provided a GaAs semiconductor substrate having a surface cleaned to an extent allowing removal of impurities and oxides at the surface by at least thermal cleaning of the substrate. | 12-04-2008 |
20100013053 | METHOD FOR MANUFACTURING III-V COMPOUND SEMICONDUCTOR SUBSTRATE, METHOD FOR MANUFACTURING EPITAXIAL WAFER, III-V COMPOUND SEMICONDUCTOR SUBSTRATE, AND EPITAXIAL WAFER - The present invention provides a method for manufacturing a III-V compound semiconductor substrate, a method for manufacturing an epitaxial wafer, a III-V compound semiconductor substrate, and an epitaxial wafer, wherein the thickness of an oxide film formed on the substrate or in the wafer is controlled with high precision, and surface of the epitaxial wafer is prevented from getting rough,. The method for manufacturing a III-V compound semiconductor substrate according to the present invention includes the following steps. Initially, a substrate composed of a III-V compound semiconductor is provided. Thereafter, the resulting substrate is cleaned with an acidic solution. Subsequently, an oxide film is formed on the substrate by a wet method after the cleaning. | 01-21-2010 |
Patent application number | Description | Published |
20090073370 | Display device - A display device includes a display panel, a flexible printed circuit, and a holder that holds the display panel and the flexible printed circuit. The flexible printed circuit connects to a first side of the display panel and is bent in the vicinity of the first side, and part of the flexible printed circuit is disposed between the back of the display panel and the holder, the holder having an opening or a depression in the vicinity of the first side of the display panel. The flexible printed circuit deflects so that the top projects into a space in the opening or the depression of the holder, as viewed in section. | 03-19-2009 |
20120176325 | Liquid Crystal Display Device - A liquid crystal display device includes a touch panel constructed from a single substrate plate and disposed over a liquid crystal display panel. A color filter is disposed over a TFT substrate, and the touch panel is bonded onto the color filter substrate by way of a first adhesion layer. An upper polarizing plate is bonded over the touch panel, and a front window is bonded over the upper polarizing plate via a second adhesion layer. The front window covers a terminal portion which is a portion where only the TFT substrate exists so as to physically protect the portion. Since the upper polarizing plate is disposed over the touch panel, the connection portion of the flexible wiring substrate for the touch panel does not contact with the front window. Thus, the touch panel can be prevented from being strained. | 07-12-2012 |
20120249458 | TOUCH PANEL AND DISPLAY DEVICE WITH TOUCH PANEL - The touch panel is provided with: a touch panel substrate; and a flexible printed circuit board, wherein the touch panel substrate has an electrode for detection and a rear surface electrode, the flexible printed circuit board has a terminal portion, the terminals in the terminal portion are electrically and mechanically connected to connection terminals formed along a side of the touch panel substrate, the terminal portion has a first terminal portion and a second terminal portion, a terminal in the second terminal portion is shorter than a terminal in the first terminal portion, the flexible printed circuit board has a rear surface electrode connection portion and has a terminal for shielding, and the rear surface electrode connection portion is folded on a rear surface side of the touch panel substrate so that the terminal for shielding is mechanically and electrically connected to the rear surface electrode. | 10-04-2012 |
20130181922 | DISPLAY DEVICE WITH TOUCH PANEL - Provided is a display device which includes: a display panel having a display screen on which an image is displayed; and a touch panel which is arranged on a display screen side of the display panel. The display panel includes: a first substrate; a second substrate which is arranged on a side closer to the touch panel than the first substrate; and a polarizer which is arranged on a touch panel side of the second substrate. The touch panel is formed larger than the polarizer and is laminated to the polarizer. An auxiliary member is arranged between the touch panel and a portion of the second substrate which is exposed from the polarizer. | 07-18-2013 |
Patent application number | Description | Published |
20080211544 | Peak voltage detector circuit and binarizing circuit including the same circuit - A peak voltage detector circuit detects a peak voltage of an input voltage. The input voltage is input into a first input terminal of a comparator. A counter circuit counts up a counter value in synchronization with a first clock signal, when a signal output from the comparator is in a first state. The counter circuit counts down the counter value in synchronization with a second clock signal. A digital-analog conversion circuit outputs an output voltage corresponding to the counter value, and the output voltage is input into a second input terminal of the comparator. The first clock signal has a wave period shorter than that of the second clock signal. | 09-04-2008 |
20080238449 | Fluid sensor and impedance sensor - A fluid sensor detects property of fluid by dipping the sensor in the fluid. The sensor includes: a semiconductor substrate; and a comb-teeth electrode made of a first diffusion layer and disposed on a first surface of the substrate. Although the comb-teeth electrode is capable of directly contacting the fluid without a protection film, corrosion resistance of the sensor against the fluid is improved. Further, since the sensor has no protection film, the sensor can detect the property accurately. | 10-02-2008 |
20090049921 | Pressure sensor and method for manufacturing the same - A pressure sensor includes: a housing having a pressure introduction port; and a connector case integrated with the housing. The connector case includes: a protruding portion that protrudes in the pressure introduction port along with the introduction direction from one end of the connector case, and has a concavity hollowed in a direction perpendicular to the introduction direction; a sensor chip having a pressure gauge on one surface of the chip in the concavity; a terminal having one end inserted and molded in the connector case; and a bonding wire that electrically connects the sensor chip and the one end of the terminal. The connector case seals a connection portion between the bonding wire and the terminal, a connection portion between the boding wire and the sensor chip, and the bonding wire. | 02-26-2009 |
20090095059 | Pressure sensor and structure for attachment of pressure sensor - A pressure sensor for use in an engine by installation of the pressure sensor into an installation hole of an engine head is provided. The pressure sensor includes: a body having a first end; a pressure receiving diaphragm disposed in the first end; a sealing surface disposed on the side surface of the body; and an expansion member, which is disposed on the side surface of the body so that, with respect to the first end of the body, the expansion member is located closer than the sealing surface. When heat is generated by an engine operation after the installation of the first end of the body into the installation hole, the expansion member expands due to the heat to fill in a space between an inner surface of the installation hole and a side surface of the body. | 04-16-2009 |
20110310954 | PULSE WIDTH MODULATION COMMUNICATION SYSTEM - In a PWM communication system, a sensor unit transmits as reference pulses transmission signals, which exhibit duty cycles of 100% and 0%, respectively, prior to transmission of a transmission signal, which has data items compressed thereinto by a signal processing circuit. An input capture circuit of an ECU measures the duty time and the PWM cycle of the transmission signal according to a timer clock of a timer circuit. A signal processing circuit of the ECU produces a duty cycle correction factor k based on the measured duty times and PWM cycles of the reference pulses, produces receiving data based on the duty time and the PWM cycle of the transmission signal, and the duty cycle correction factor, and separates the receiving data into sensor output values of a pressure sensor and a temperature sensor. | 12-22-2011 |
20130037700 | OPTICAL SENSOR - An optical sensor includes: first and second light receiving elements on a semiconductor substrate; a light blocking film over the semiconductor substrate via a light transmitting film; and first and second openings corresponding to the light receiving elements and disposed in the light blocking film. First and second virtual lines are defined to extend from the centers of the first and second light receiving elements and pass through the centers of the first and second openings, respectively. At least one of elevation angles and left-right angles of the first and second virtual lines are different. The photosensitive area of the first light receiving element is larger than the aperture area of the first opening. The photosensitive area of the second light receiving element is larger than the aperture area of the second opening. | 02-14-2013 |
20150036143 | RAIN SENSOR - A rain sensor equipped to a transparent substrate includes a light emitter emitting irradiation lights toward the transparent substrate, light receivers receiving reflected lights of the irradiation lights being reflected on the transparent substrate, a defining section defining an incident angle of each reflected light with respect to each light receiver, and a detection section detecting rainfall amount based on signals output from the light receivers. The light emitter emits the irradiation lights toward an irradiation region defined on the transparent substrate. The irradiation region is divided into multiple detection regions. The detection regions correspond to respective light receivers. The defining section defines the incident angle of each reflected light reflected on the detection region such that each reflected light enters corresponding light receiver. The detection section detects the rainfall amount based on the signals output from the light receivers corresponding to the irradiation regions. | 02-05-2015 |
Patent application number | Description | Published |
20090007579 | Load Driving Device, Outdoor Unit of Air Conditioner, and Driving Method of Load - After the power source to the control substrate is turned on, power is supplied to the compressor driver and the fan driver. Then, when it is determined that an indoor unit is in operation, the compressor driver and the fan driver are operated. Meanwhile, when it is determined that the indoor unit is not in operation, after the lapse of ten minutes or twenty minutes under a predetermined setting, the power to the compressor driver and the fan driver is cut. When the operation of the indoor unit is started again, power is supplied to the compressor driver and the fan driver. | 01-08-2009 |
20090066508 | Electric Device and Method of Normality Determination for Communication Function in Such an Electric Device - A normality determination unit determines that a communication function for an outdoor unit of its own is normal when receiving a signal from one of indoor units, and writes a normality flag into an EEPROM. Further, the normality determination unit determines that it is not asserted that the communication function for the outdoor unit of its own is normal when not receiving a signal from any of the indoor units for a predetermined time period, and deletes the normality flag in the EEPROM. | 03-12-2009 |
20090118867 | Air Conditioner and Address Setting Method in Air Conditioner - A serial number detection portion simultaneously transmits a detection command for requesting a first digit of a serial number to plurality of indoor units, and the serial number detection portion simultaneously transmits a detection command for requesting a second digit immediately preceding the first digit to the indoor units when a response to the detection command is absent. That is, the address setting is performed again from the immediately preceding digit without returning to an initial digit of the serial number, so that the time necessary for the address setting can be shortened. When the address setting is performed again from the immediately preceding digit, the address setting can be performed more securely by changing a method of recognizing the detection command in the indoor units. | 05-07-2009 |
20100036532 | REFRIGERANT CYCLE AND METHOD OF CONTROLLING THE SAME - An object of the present invention is to reduce electrical noise in accordance with the necessity of a countermeasure taken against electrical noise without changing a structure of an expansion valve. In a case where a judgment result as to whether or not the countermeasure against electrical noise is taken is affirmative, a drive timing (interval) of an expansion valve ( | 02-11-2010 |
Patent application number | Description | Published |
20080244199 | COMPUTER SYSTEM PREVENTING STORAGE OF DUPLICATE FILES - A plurality of contents intrinsic values that are values intrinsic to respective contents of a plurality of files stored in one or more first storage devices are calculated. Whether two or more identical contents intrinsic values are contained among the plurality of contents intrinsic values is determined. When two or more identical contents intrinsic values are present, an access destination of a first file corresponding to a first contents intrinsic value from among these two or more contents intrinsic values is changed to a position having stored therein a second file corresponding to a second contents intrinsic value from among these two or more contents intrinsic values. | 10-02-2008 |
20100115199 | DISK ARRAY APPARATUS AND CONTROL METHOD FOR DISK ARRAY APPARATUS - A disk array apparatus capable of effecting saving and operation of data through a simple construction. When a host computer sets “write inhibit” or “read/write inhibit” for an LDEV which is set on a first storage device, this setting is registered in an access attribute management table and is also reflected onto a migration management table. A migration control program moves the LDEV for which access limitation has been set to a lower-speed (lower-performance) second storage device or to an external storage device. When the access limitation is released, the moved LDEV is restored to the first storage device from the storage device to which the LDEV has been moved. By performing migration control in interlocking relation to control of access attributes, it is possible to obtain a simple data saving function and data management function. | 05-06-2010 |
20110153692 | COMPUTER SYSTEM PREVENTING STORAGE OF DUPLICATE FILES - Arrangements including a duplication determination unit that determines whether identical contents intrinsic values are contained in a plurality of contents intrinsic values; a change control unit that changes an access destination of a first file corresponding to a first contents intrinsic value from identical contents intrinsic values, to a position having stored therein a second file corresponding to a second contents intrinsic value from among these identical contents intrinsic values when there are identical contents intrinsic values; and, a migration execution unit which, when the migration execution unit migrates data stored in files stored in one or more first logical storage devices to one or more second logical storage devices, does not migrate first data of the first file to any of the one or more second logical storage devices, and migrates second data of the second file to any of the one or more second logical storage devices. | 06-23-2011 |
20120191928 | COMPUTER SYSTEM PREVENTING STORAGE OF DUPLICATE FILES - A storage arrangement including: a first storage system having one or more first logical storage devices and a second storage system having one or more second logical storage devices, configured to: a) determine whether two or more identical contents hash values are contained in a plurality of contents hash values of said plurality of files; and b) change an access destination of a first file corresponding to a first contents hash value from among said two or more identical contents hash values, to a position of a second file corresponding to a second contents hash value if there are said two or more identical contents hash values, c) do not migrate said first file to said second storage system, and migrate said second file to said second storage system to store in any of said one or more second logical storage devices. | 07-26-2012 |
20130219136 | STORAGE APPARATUS AND METHOD FOR CONTROLLING STORAGE APPARATUS INVOLVING SNAPSHOTS - A drop in the access performance to a source volume is prevented by executing various control methods according to the snapshot usage method. A storage apparatus comprises one or more storage devices which provide storage areas; and a controller which creates a logical volume in the storage area provided by the one or more storage devices, and which reads and writes data from/to the logical volume according to a request from a host, wherein the controller acquires one or more snapshots which are data images at certain time points of the logical volume, wherein the controller determines whether the logical volume is subject to abrupt load fluctuations on the basis of performance information of the logical volume and the snapshots, and wherein, if the logical volume is subject to abrupt load fluctuations, the controller executes predetermined control processing according to usage cases of the snapshots. | 08-22-2013 |
Patent application number | Description | Published |
20110220719 | BARCODE READING APPARATUS AND COMPUTER PROGRAM PRODUCT - Disclosed is a barcode reading apparatus including: a variable focus lens in which a focus position can be adjusted at a high speed according to applied voltage; an imaging section to generate image data by imaging a barcode through the variable focus lens; a control section to change a focus position of the variable focus lens and to obtain image data of a plurality of image areas with different focus positions in one frame from the imaging section when image data of one frame is obtained from the imaging section; and a decoding section to decode a barcode image included in the image data of the plurality of image areas obtained by the control section. | 09-15-2011 |
20120248190 | CODE READING APPARATUS AND COMPUTER PROGRAM PRODUCT - Disclosed is a code reading apparatus including: a storage section storing an applied voltage table showing a relationship between a focal distance of a liquid lens and an applied voltage to the liquid lens; a laser focus section performing laser focus adjustment; a contrast focus section performing contrast focus adjustment; and a correction section correcting a content of the applied voltage table based on a distance from the liquid lens to a subject found by the laser focus section and a corresponding applied voltage with which the subject is brought into focus by the contrast focus section. | 10-04-2012 |
20120248192 | CODE READING APPARATUS AND COMPUTER PROGRAM PRODUCT - Disclosed is a code reading apparatus including a control section including: a first adjustment section repeating focus setting within a first execution time to execute first focus adjustment; a second adjustment section changing a focal position of a variable focal lens within a second execution time to execute second focus adjustment; a timer section counting a first execution number of the first focus adjustment and a second execution number of the second focus adjustment; and a time setting section setting the first execution time to be shortened starting from a predetermined first initial set time such that the first execution time is shortened as the first execution number increases, and setting the second execution time to be shortened starting from a predetermined second initial set time such that the second execution time is shortened as the second execution number increases. | 10-04-2012 |
20130161134 | DISC BRAKE APPARATUS - A disc brake apparatus includes a boot including a fitting part. A slide pin is fixed to one of a support and a caliper and is slidably mounted to a guide hole formed in the other. Convex parts extending in a sliding direction of the slide pin are circumferentially arranged on an inner periphery of the fitting part. Concave recesses are respectively formed between the neighboring convex parts. Each of the convex parts is formed with at least one a low-height portion and a high-height portion in an axial direction of a rotor, respectively. Positions of the low-height portion and the high-height portion in a circumferential direction of the rotor are respectively different between the adjacent convex parts. The high-height portion has a height so as to contact the slide pin, and the low-height portion has a height so as not to contact the slide pin. | 06-27-2013 |
20140028865 | ELECTRONIC DEVICE - An electronic device of the present invention has a flat-type device case whose front surface is provided with an imaging section and which is covered by a foldable cover, and includes an open/close detecting section which detects an open/close angle of the cover when the cover covers the device case, and outputs a detection signal for causing the imaging section to perform imaging. | 01-30-2014 |
Patent application number | Description | Published |
20110199647 | WOVEN PATTERN IMAGE PROCESSING APPARATUS AND WOVEN PATTERN IMAGE PROCESSING METHOD - According to one embodiment, a woven pattern image processing apparatus includes: a woven-pattern-image-generation-area designating unit configured to arbitrarily designate one or plural woven pattern image generation areas in one page of a print sheet; a woven pattern image pattern memory configured to store at least a sign string appearing pattern and a copy prohibition pattern as woven pattern image patterns; a woven-pattern-image selecting unit configured to select the woven pattern image patterns to be stored in the woven pattern image pattern memory and selectively set the selected woven pattern image patterns in the woven pattern image generation areas; and an image control unit configured to combine, in the areas designated by the woven-pattern-image-generation-area designating unit, the woven pattern image patterns selected by the woven-pattern-image selecting unit with printing data of a document image to be printed in the one page of the print sheet. | 08-18-2011 |
20110292153 | IMAGE FORMING APPARATUS - According to one embodiment, there is provided an image forming apparatus, including an accommodation unit, an image forming unit, an image reading unit, an image erasing unit, a first medium processing unit, and a second medium processing unit. The first medium processing unit forms the image on the recording medium carried from the accommodation unit and discharges the recording medium on which the image is formed, based on the setting of a first image process mode. The second medium processing unit forms a test image on the recording medium carried from the accommodation unit, reads the test image, erases the test image, and returns the recording medium to the accommodation unit, based on a setting of a second image process mode. | 12-01-2011 |
20110299867 | IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING THE IMAGE FORMING APPARATUS - According to one embodiment, an image forming apparatus includes: a first paper feeding unit; a second paper feeding unit; a fixing unit configured to fix a developer image transferred onto a sheet; a conveying path configured to convey sheets; a receiving unit configured to receive an execution instruction for duplex printing for continuously printing an image on one surface and on the other surface of a sheet; an acquiring unit configured to acquire, in the printing on one surface, information concerning presence or absence of an image on the other surface; and a processor configured to change, in the printing on one surface, if a result of the acquisition concerning the sheet fed from the first paper feeding unit indicates that an image is present, a paper feeding unit from the first paper feeding unit to the second paper feeding unit and performs control for re-executing the duplex printing. | 12-08-2011 |
Patent application number | Description | Published |
20090016206 | OPTICAL DISK AND OPTICAL DISK APPARATUS - There is provided an optical disk which adopts a PRML (Partial Response and Maximum Likelihood) method for reproduction of recorded information and whose shortest pit has a conical shape without a bottom surface. If the PRML method is adopted, since it is not necessary to assure a large amplitude of a reproduction waveform of the shortest pit, the pit may have a conical shape. The conical pit enables recording with the dense shortest pit even in a conventional original disk recorder and original disk exposure process, thereby increasing a recording density in a dividing direction. | 01-15-2009 |
20100329099 | STORAGE MEDIUM, REPRODUCING METHOD, AND RECORDING METHOD - According to an embodiment, a storage medium includes a transparent resin substrate having a concentric or spiral groove and a recording film formed on the groove on the transparent resin substrate, a recording mark being formed by irradiation of a laser beam, wherein a reproduction durability count in a case where reproduction is continuously carried out by a laser beam is 1,000,000 or more. | 12-30-2010 |
20130279317 | STORAGE MEDIUM, REPRODUCING METHOD, AND RECORDING METHOD - According to an embodiment, a storage medium includes a transparent resin substrate having a concentric or spiral groove and a recording film formed on the groove on the transparent resin substrate, a recording mark being formed by irradiation of a laser beam, wherein a reproduction durability count in a case where reproduction is continuously carried out by a laser beam is 1,000,000 or more. | 10-24-2013 |
Patent application number | Description | Published |
20090129232 | STORAGE MEDIUM, REPRODUCING METHOD, AND RECORDING METHOD - According to one embodiment, a write-once type information storage medium using a recording material which has a low to high characteristic that a light reflectivity in a recording mark increases with respect to a non-recording area and which has a recording characteristic in accordance with a principle of recording without substrate deformation, wherein the recording material includes at least an organic metal complex, and wherein the organic metal complex includes a center metal. | 05-21-2009 |
20120063290 | Write-once type information storage medium (disk structure of recording type information storage medium having structure in which recording layer formed on transparent susbstrate is defined as inside), and information reproducing method or information recording method as well as storage medium manufacturing - An embodiment of the invention, to provide a recording method and a storage medium for BCA data with high reliability for a storage medium and a method for reproducing BCA data from the storage medium, and an information recording apparatus and an information reproducing apparatus. In a conventional optical disk, low reliability data is recorded in a data area of BCA. Thus, the thickness of a film material for use in a recording layer oriented to BCA data or close to the inner periphery of the storage medium in the vicinity thereof is formed in uniform thickness by using a substrate of the storage medium, the substrate being formed by being suctioned by means of adsorbing mechanisms formed in an arc shape so as to integrated two of the adsorbing mechanisms to be adjacent to each other. | 03-15-2012 |
20140293767 | WRITE-ONCE TYPE INFORMATION STORAGE MEDIUM (DISK STRUCTURE OF RECORDING TYPE INFORMATION STORAGE MEDIUM HAVING STRUCTURE IN WHICH RECORDING LAYER FORMED ON TRANSPARENT SUSBSTRATE IS DEFINED AS INSIDE), AND INFORMATION REPRODUCING METHOD OR INFORMATION RECORDING METHOD AS WELL AS STORAGE MEDIUM MANUFACTURING - An embodiment of the invention, to provide a recording method and a storage medium for BCA data with high reliability for a storage medium and a method for reproducing BCA data from the storage medium, and an information recording apparatus and an information reproducing apparatus. In a conventional optical disk, low reliability data is recorded in a data area of BCA. Thus, the thickness of a film material for use in a recording layer oriented to BCA data or close to the inner periphery of the storage medium in the vicinity thereof is formed in uniform thickness by using a substrate of the storage medium, the substrate being formed by being suctioned by means of adsorbing mechanisms formed in an arc shape so as to integrated two of the adsorbing mechanisms to be adjacent to each other. | 10-02-2014 |
Patent application number | Description | Published |
20090103157 | OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS - In an optical scanning device, a rotational axis of a first rotary polygon mirror and a rotational axis of a second rotary polygon mirror are inclined toward the same side with respect to a direction perpendicular to a reference plane inclusive of each of center axes of a first member to be scanned and a second member to be scanned, as viewed in directions of the center axes of the first member to be scanned and the second member to be scanned. As a consequence, a width in an arrangement direction of a plurality of rotary polygon mirrors can be reduced, thus achieving miniaturization without degrading a quality of an image in an image forming apparatus. | 04-23-2009 |
20090231657 | Optical scanning device and image forming apparatus - In an optical scanning device, a rotational axis of a first rotary polygon mirror and a rotational axis of a second rotary polygon mirror are inclined toward the same side with respect to a direction perpendicular to a reference plane inclusive of each of center axes of a first member to be scanned and a second member to be scanned, as viewed in directions of the center axes of the first member to be scanned and the second member to be scanned. As a consequence, a width in an arrangement direction of a plurality of rotary polygon mirrors can be reduced, thus achieving miniaturization without degrading a quality of an image in an image forming apparatus. | 09-17-2009 |
20100328413 | OPTICAL SCANNING APPARATUS - An optical scanning apparatus includes a light source configured to emit a light beam, a scanning unit configured to deflect the light beam from the light source so as to scan a photosensitive member, an optical lens configured to guide the light beam scanned by the scanning unit onto the photosensitive member, and a lens supporting unit having a fixing portion configured to fix the optical lens, wherein the lens supporting unit includes a movable supporting portion configured to restrict movement of the optical lens in a direction perpendicular to a scanning direction of the light beam and an optical axis direction of the optical lens, to restrict movement of the optical lens in the optical axis direction, and to support the optical lens movably in the scanning direction. | 12-30-2010 |
20110013248 | OPTICAL SCANNING APPARATUS - An optical scanning apparatus includes a deflecting device for scanning and deflecting a light beam, a first optical member onto which reflected light from the deflecting device is incident, a wall disposed between the first optical member and the deflecting device, a mirror that reflects the light beam having passed through the first optical member, a second optical member disposed above the deflecting device to guide and form an image of reflected light from the mirror on a surface to be scanned, a supporting member supporting the second optical member and having at least one bent portion, and a housing. The bent portion of the supporting member is disposed above the deflecting device in a position nearer to the deflecting device than the wall face in a direction perpendicular to the deflecting face of the deflecting device so that a flow of air produced by the deflecting device is branched. | 01-20-2011 |
20120287483 | METHOD OF MEASURING IRRADIATION POSITION SHIFT AND FOCUS SHIFT IN OPTICAL SCANNING APPARATUS - A pupil splitting lens that splits a pupil of a light beam from a deflector into a plurality of light beams in a main scanning direction of the deflector and a pupil splitting lens that splits the light beam into a plurality of light beams in a sub-scanning direction are disposed relative to a light detection element. The light detection element detects image forming positions of the four light beams formed as a result of the splitting by the plurality of pupil splitting lenses. A CPU determines the amount of focus shift and the amount of image forming position shift from these four image forming positions. | 11-15-2012 |
20130135419 | LIGHT SCANNING APPARATUS AND IMAGE FORMING APPARATUS - A light scanning apparatus, including: a light source; a light deflector configured to deflect a light beam emitted from the light source to scan a photosensitive member; an optical member configured to guide the light beam the photosensitive member; a housing configured to contain the light source, the light deflector, and the optical member; a cover member configured to be attached to a side wall of the housing so as to keep dust out of the light scanning apparatus; and an elastic member having a first abutment portion which is attached to the cover member and is elastically deformed by abutting the side wall, and a second abutment portion which is elastically deformed to abut the side wall according to elastic deformation of the first abutment portion when the cover member is attached to the housing. | 05-30-2013 |
20130155478 | LIGHT SCANNING APPARATUS - A light scanning apparatus, including: a light source configured to emit a light beam; a light deflector configured to deflect the light beam emitted from the light source so that the light beam scans a photosensitive member; a housing which contains the light source and the light deflector, and which is provided with an opening portion through which the light beam deflected by the light deflector passes; a transparent member mounted on the housing to close the opening portion and configured to transmit the light beam deflected by the light deflector; and a fixing member having an elastic portion configured to cover an outer circumferential portion of the transparent member, the fixing member being configured to fix the transparent member to the housing by pressing the elastic portion to the transparent member. | 06-20-2013 |
20140267529 | OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS - An optical scanning apparatus capable of fixing an optical member using a plate spring without forming a die cut hole and thus having high dust-proof performance includes a mirror supporting portion supporting a reflection mirror, and a projecting portion configured to form a gap between the reflection mirror supported on the mirror supporting portion and itself, and to deform the plate spring with the reflection mirror, and the projecting portion is provided with a cut hole for engaging the plate spring. | 09-18-2014 |
20140267531 | LIGHT SCANNING APPARATUS AND IMAGE FORMING APPARATUS - A light scanning apparatus, including: a first holding member configured to hold a first light emitting element configured to emit a first light beam; a second holding member configured to hold a second light emitting element configured to emit a second light beam; a rotary polygon mirror; a first mounting portion on which the first holding member is mounted; and a second mounting portion on which the second holding member is mounted, the second mounting portion being provided adjacent to the first mounting portion, wherein the first mounting portion has a V-shape including two limbs in a cross section, and wherein one limb of the two limbs on the side of the second mounting portion is shorter than other limb of the two limbs on a side opposite to the side of the second mounting portion. | 09-18-2014 |
20140375742 | COVER MEMBER, LIGHT SCANNING APPARATUS, AND IMAGE FORMING APPARATUS - A cover member to be attached to a housing including a bottom portion and a side wall, the cover member including: a closing surface configured to close an opening surrounded by the side wall; at least three protruding portions protruding from the closing surface so as to be located on an inside of the housing; and a protection portion configured to protect a circuit board fixed to the side wall, the protection portion having: a first opposed portion opposed to the circuit board and provided to stand on the closing surface; a second opposed portion opposed to the circuit board and protruding with respect to the first opposed portion away from the circuit board; and a connecting portion configured to connect the first opposed portion and the second opposed portion, wherein a length of the at least three protruding portions is larger than a length of the first opposed portion. | 12-25-2014 |
20150029284 | LIGHT SCANNING APPARATUS - A light scanning apparatus, including: a light source; a deflector having a rotary polygon mirror configured to deflect the light beam emitted from the light source, and a motor configured to rotate the polygon mirror; a plurality of reflecting mirrors configured to reflect the light beam to the photosensitive member; and an optical box on which the light source is mounted, wherein the optical box has an installation wall on which the deflector is installed and a support wall positioned on a side of the photosensitive member with respect to the polygon mirror, the support wall being provided with a support portion configured to support at least one reflecting mirror, a stepped portion having a plurality of steps is formed between the installation wall and the support wall, and a back surface of the stepped portion has a shape following an inside surface of the stepped portion. | 01-29-2015 |
20150049373 | OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS - An optical scanning apparatus capable of fixing an optical member using a plate spring without forming a die cut hole and thus having high dust-proof performance includes a mirror supporting portion supporting a reflection mirror, and a projecting portion configured to form a gap between the reflection mirror supported on the mirror supporting portion and itself, and to deform the plate spring with the reflection mirror, and the projecting portion is provided with a cut hole for engaging the plate spring. | 02-19-2015 |
Patent application number | Description | Published |
20090034761 | ELECTROSTATIC SPEAKER - An electrostatic speaker is constituted of a vibrator held between opposite electrodes via spacers. The vibrator has a plurality of surface projections and a plurality of backside projections, which project in opposite directions. When voltage differences occur between the opposite electrodes due to audio signals, electrostatic force is exerted on the vibrator, which thus vibrates in response to audio signals with a high sensitivity. The vibrator | 02-05-2009 |
20090087002 | ELECTROSTATIC SPEAKER - An electrostatic speaker is constituted of a vibrator, conductive cloths, and elastic members, which are laminated together and woven together using strings. Since all the constituent elements are restrained in positioning by strings, the overall structure thereof is not substantially changed even when the electrostatic speaker is deformed in shape by bending or curving, wherein it is possible to secure the prescribed positional relationship between the constituent elements, which are not deviated in positioning. It is possible to introduce a sheet composed of a thermoplastic resin, which holds the vibrator and elastic members therein. The conductive cloths can be replaced with film electrodes, each of which is formed such that a conductive polymer layer is formed on a base film composed of a thermoplastic resin. | 04-02-2009 |
20090285437 | EARPHONE DEVICE AND SOUND GENERATING APPARATUS EQUIPPED WITH THE SAME - An external inserting meatus of user is closed with an insert earphone device in use so that it is hard that external sound penetrates into the external inserting meatus; not only an internal sound propagation path but also an external sound propagation path are formed in an inserting body of the earphone device, and an active diaphragm is provided in the inserting body so as to make the external sound propagation path closed therewith and block the external auditory meatus from the external sound; the active diaphragm is formed from electroactive polymer layer sandwiched between electrodes, and the active diaphragm is deformed in the presence of voltage so as permit the user easily to control it. | 11-19-2009 |
20110075868 | ELECTROSTATIC SPEAKER - An electrostatic speaker is constituted of a diaphragm and an electrode which are disposed opposite to and/or slightly distanced from each other. A first conductive layer is formed on a first surface of the diaphragm whilst a second conductive layer is formed on a second surface of the diaphragm, wherein the first surface is disposed opposite to the second surface. A holding member or installation equipment holds a holding region formed at a predetermined position of the main body of an electrostatic speaker. The first conductive layer is formed on the first surface of the diaphragm while circumventing the holding region, and the second conductive layer is formed on the second surface of the electrode while circumventing the holding region. A through-hole can be formed to run through the diaphragm and electrode in the holding region of an electrostatic speaker. | 03-31-2011 |
20130108086 | ELECTROSTATIC LOUDSPEAKER | 05-02-2013 |
20140307897 | ELECTROSTATIC SPEAKER - An electrostatic speaker includes: an oscillator; a first cushioning material layer and a second cushioning material layer; a first electrode and a second electrode; and a first cover layer and a second cover layer. In a second region inside a first region including an outer edge end of a laminated body including a plurality of layers including at least the first cover layer and the second cover layer, two adjacent layers of the plurality of layers included in the laminated body are fixed to each other, and strength at the outer edge end in the first region is higher than strength in the second region. | 10-16-2014 |