Patents by Inventor Toru Yamashita

Toru Yamashita has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20120249654
    Abstract: A temperature detecting apparatus includes: a temperature sensor having an element whose resistance value changes depending on temperature and detecting temperature based on a voltage value obtained by supply of a supply current to the element from a power source and outputting an output voltage depending on the voltage value; a change-instructing-signal output portion connected to the temperature sensor and outputting a change instructing signal for changing the supply current based on the output voltage outputted from the temperature sensor; and a current-value change portion disposed between the power source and the element, connected to the change-instructing-signal output portion, and changing a current value of the supply current to be supplied to the element when having received the change instructing signal.
    Type: Application
    Filed: January 31, 2012
    Publication date: October 4, 2012
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Toru YAMASHITA
  • Patent number: 8256856
    Abstract: A liquid droplet jetting apparatus includes a nozzle which jet the liquid droplets in a plurality of types of jetting modes; a liquid droplet jetting head which has the nozzles; a signal generating section which generates a plurality of types of jetting signals, each of which is formed of bit data, has predetermined bits not less than three bits, and corresponds to one of the plurality of types of jetting modes; and a signal supply section which outputs serially the bit data forming one of the jetting signals to the liquid droplet jetting head at each of jetting timings of the nozzle. The jetting signals are set such that the jetting signals corresponding to the jetting modes respectively are subjected to binary switching of the bit data at frequencies decreasing proportional to usage frequencies of the jetting modes when the bit data are outputted serially from the signal supply section.
    Type: Grant
    Filed: September 21, 2009
    Date of Patent: September 4, 2012
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Toru Yamashita
  • Publication number: 20120186859
    Abstract: A wiring board includes: a substrate; first connection electrode portions which are disposed on a surface of the substrate and which are to be connected to individual-electrode connection terminals of an actuator via first bumps; first wires having electrical continuity with the first connection electrode portions; a second connecting electrode portion which is disposed on the surface of the substrate and which is to be connected to the a common-electrode connection terminal of the actuator via a second bump; and a second wire having electrical continuity with the second connection electrode portion. The second connecting electrode portion is located in an edge portion of the substrate. The second wire has a conducive-material absent portion that is located between an edge of the substrate and the second connecting electrode portion.
    Type: Application
    Filed: January 19, 2012
    Publication date: July 26, 2012
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Toru YAMASHITA
  • Publication number: 20120154488
    Abstract: There is provided a piezoelectric actuator device including a piezoelectric actuator which includes a plurality of piezoelectric elements, each of which has a piezoelectric layer sandwiched between two types of electrodes; and a plurality of driver ICs which drive the piezoelectric elements, wherein a part of the piezoelectric elements are connected to the plurality of driver ICs.
    Type: Application
    Filed: December 20, 2011
    Publication date: June 21, 2012
    Inventor: Toru YAMASHITA
  • Publication number: 20120069527
    Abstract: A wiring structure including printed circuits each including: a base member including one end portion facing an actuator and the other end portion of the base member drawn from the one end portion along a face of the actuator and then turned, the other end portion extending in parallel with the one end portion; output terminals formed on the one end portion and configured to output signals to the actuator; a drive IC mounted on the base member and connected to the output terminals by wirings; and input terminal formed on the other end portion and connected to the drive IC by wirings to input signals to the drive IC, wherein the printed circuits are arranged in a predetermined direction along the face of the actuator, wherein the one end portions of the respective base members are arranged in the predetermined direction, and wherein the other end portions of the respective base members are arranged in the predetermined direction.
    Type: Application
    Filed: March 28, 2011
    Publication date: March 22, 2012
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Toru YAMASHITA
  • Patent number: 8136927
    Abstract: A piezoelectric actuator includes a first active portion interposed by an individual electrodes and a first constant electric potential electrode and a second active portion interposed by the individual electrode and a second constant electric potential electrode, and a wiring structure is provided with a wiring board and driver IC. The wiring board is provided with individual lines, a power line, a ground line, a first and second constant electric potential lines, a first short circuit line for short-circuiting the power line and the first constant electric potential line, and a second short circuit line for short-circuiting the ground line and the second constant electric potential line. Accordingly, a liquid droplet discharge head, which is capable of suppressing the crosstalk, is provided. The liquid droplet discharge head has the wiring structure suitable for the head.
    Type: Grant
    Filed: January 27, 2010
    Date of Patent: March 20, 2012
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Hirofumi Kondo, Koji Imai, Toru Yamashita, Masayoshi Hayashi
  • Patent number: 8113635
    Abstract: A piezoelectric actuator has a first ceramic layer covering openings of pressure chambers, a first electrode provided over the plurality of pressure chambers, a second ceramic layer, a second electrode, a third ceramic layer and a third electrode in this order from the side of the pressure chambers. By measuring insulation resistance between a cavity unit and the first electrode in the state where ink is filled into the pressure chambers, a defect in the ceramic layer is detected.
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: February 14, 2012
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Toru Yamashita, Yoshitsugu Morita, Tomoyuki Kubo
  • Publication number: 20120010744
    Abstract: Disclosed herein is a chatter suppressing method for a work machine. The method comprises the steps of detecting vibration occurring when a bar tool or a workpiece is started to rotate, determining whether the vibration detected from the start of rotation has exceeded a threshold, and analyzing the vibration by Fourier series expansion when it is determined that the vibration has exceeded the threshold and adjusting the number of rotations of the spindle.
    Type: Application
    Filed: February 25, 2010
    Publication date: January 12, 2012
    Applicant: NT Engineering Kabushiki Kaisha
    Inventors: Toru Yamashita, Yasuhiro Komai
  • Publication number: 20110315428
    Abstract: When electric discharging occurs inside a gas insulated apparatus in which sulfur hexafluoride is filled, hydrogen-fluoride gas is generated, which abrades a part formed of glass fiber reinforced plastics included in the apparatus. Previously, resin for preventing the abrasion has been coated on the surface of the part; however, a problem has occurred that the coating film peels off. Organic fiber woven cloth woven using organic fiber such as aramid fiber or the like having hydrogen fluoride resistance and mechanical toughness is wrapped around the surface of glass fiber reinforced plastics, and thermosetting resin is wettably impregnated into weave patterns of the organic fiber woven cloth and then heat cured; thereby, an abrasion-preventing protection layer that does not peel off is formed.
    Type: Application
    Filed: January 28, 2010
    Publication date: December 29, 2011
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yuji Yoshitomo, Toru Yamashita, Toshie Takeuchi, Makiko Kawada, Takao Tsurimoto, Shigeyuki Yamamoto, Kazuki Kubo, Takashi Miyamoto
  • Patent number: 8075098
    Abstract: An electronic apparatus includes an electrical load and a flexible wiring member, on which a circuit element is mounted, and which transmits a signal from an external signal source to the electrical load via the circuit element, by a plurality of electroconductive wires. The flexible wiring member is a band-shaped member, and on one surface of the flexible wiring member, an output electrode for connecting to the electrical load is formed in an area facing the electrical load and a connecting electrode for mounting the circuit element is formed in a drawing area in which the electroconductive wires are drawn from the electrical load. An opening is formed in the drawing area and the flexible wiring member is folded such that the circuit element is exposed, through the opening to a side of the other surface of the flexible wiring member.
    Type: Grant
    Filed: June 19, 2008
    Date of Patent: December 13, 2011
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Toru Yamashita
  • Publication number: 20110292107
    Abstract: A piezoelectric actuator apparatus which is connectable to a power supply includes: a piezoelectric actuator which is provided with a plurality of piezoelectric elements each of which is sandwiched by two types of electrodes; a drive device which is connected to the power supply to drive each of the piezoelectric elements by changing a voltage between the two types of electrodes; a comparison section which compares a predetermined reference value with one of a supply voltage from the power supply to the drive device and an electric current flowing between the power supply and the drive device under the condition that the drive device applies the voltage to at least one piezoelectric element of the piezoelectric elements; and a judgement section which judges a degradation degree of dielectric strength voltage for the at least one piezoelectric element based on a comparison by the comparison section.
    Type: Application
    Filed: March 24, 2011
    Publication date: December 1, 2011
    Inventor: Toru YAMASHITA
  • Publication number: 20110263327
    Abstract: A game system as an information processing system includes a game apparatus and a controller, and the controller is attached with an attachment device. In a case that a slit plate of the attachment device is removed, the controller detects positions of high-intensity parts as to infrared ray output from markers provided on a monitor, and designates coordinates on the monitor screen thereby. Alternatively, in a case that the slit plate is loaded, when a card printed and so forth with a dot pattern is slid along a guide groove of the attachment device, a position of a high-intensity part of a plurality of dots to which infrared ray is irradiated is detected, so that information processing based on the dot pattern is executed.
    Type: Application
    Filed: June 23, 2010
    Publication date: October 27, 2011
    Applicant: NINTENDO CO., LTD.
    Inventors: Kazuhiro HOSOI, Yasuyuki Shimohata, Toru Yamashita, Ryoji Kuroda
  • Publication number: 20110261012
    Abstract: A game system as an information processing system includes a game apparatus and a controller, and the controller is attached with an attachment device. The controller images an image including infrared rays output from markers arranged on a monitor through a half mirror integrated in the attachment device. Furthermore, the controller images an image including an infrared ray from a pen input device reflected by the half mirror via a touch panel. In the former, the controller functions as an input device for a direct coordinate input, and in the latter, the controller functions as a pen tablet.
    Type: Application
    Filed: June 23, 2010
    Publication date: October 27, 2011
    Applicant: NINTENDO CO., LTD.
    Inventors: Kazuhiro HOSOI, Yasuyuki Shimohata, Toru Yamashita, Ryoji Kuroda
  • Publication number: 20110263328
    Abstract: An operating device has a narrow housing, and in this housing, an acceleration sensor and/or a gyro sensor are accommodated. Operation data inclusive of acceleration data and/or angular velocity data acquired from the acceleration sensor and/or the gyro sensor is transmitted by an operation data transmitter. Then, at a lower end of the housing, an elastic member having a spherical surface or substantially a spherical surface is provided.
    Type: Application
    Filed: June 23, 2010
    Publication date: October 27, 2011
    Applicant: NINTENDO CO., LTD.
    Inventors: Toru YAMASHITA, Yasuyuki Shimohata, Kazuhiro Hosoi, Ryoji Kuroda
  • Publication number: 20110247853
    Abstract: A gas bushing is constructed in such a manner that a center conductor includes: a main electrically-conductive portion having a first outside diameter; and a larger-diameter portion being provided in an upper end portion of the center conductor and having a second outside diameter that is larger than the first outside diameter; and a connection portion connecting the main electrically-conductive portion and the larger-diameter portion together; a lower end of the larger-diameter portion is positioned lower than a lower end of the flange portion, and the lower end of the larger-diameter portion and an upper end of the connection portion are connected together in such a manner that a curvature of an external surface of the center conductor is continuous and that a connecting section has a round shape.
    Type: Application
    Filed: February 24, 2009
    Publication date: October 13, 2011
    Inventors: Ishinori Ochiai, Yuji Yoshitomo, Toru Yamashita
  • Publication number: 20110242225
    Abstract: A piezoelectric actuator unit includes: a wiring board; a piezoelectric actuator which is provided with a piezoelectric layer, a plurality of individual electrodes provided to the piezoelectric layer, a common electrode which faces the plurality of individual electrodes sandwiching the piezoelectric layer between the common electrode and individual electrodes, and which is divided into a plurality of split electrodes, a plurality of individual contact points which are in conduction with the individual electrodes, and which are to be connected to the wiring board, and a plurality of reinforcing contact points which are connected to the wiring board to reinforce a connection with the wiring board; and a conduction mechanism which brings the plurality of split electrodes into conduction. Each of the split electrodes is in conduction with at least one of the reinforcing contact points.
    Type: Application
    Filed: March 30, 2011
    Publication date: October 6, 2011
    Inventor: Toru YAMASHITA
  • Publication number: 20110242163
    Abstract: A wiring substrate unit is provided. The unit includes: first and second wiring substrates, first and second input portions respectively formed in marginal portions of the first and second wiring substrates, and first and second output contact points respectively formed on one surfaces of the first and second wiring substrates. A through hole is formed in the first wiring substrate to correspond to the second output contact point; a cutout is formed either at a position adjacent to the first input portion of the marginal portion of the first wiring substrate or at a position adjacent to the second input portion of the marginal portion of the second wiring substrate; and one of the first and second input portions is exposed from the cutout.
    Type: Application
    Filed: March 15, 2011
    Publication date: October 6, 2011
    Inventor: Toru Yamashita
  • Patent number: 8002373
    Abstract: In a switch provided in a driver device and connected to a driver, a terminal and a lever is separated from each other (in the separated state) when a predetermined electric potential is not applied to a gate electrode. When a predetermined electric potential is applied to the gate electrode, the lever of the corresponding switch is deformed by electrostatic force between the gate electrode and the lever and comes into contact with the terminal, and thus the terminals are connected with the lever (in the contact state). A plurality of drivers are connected to the terminals of two or more of switches, respectively, and, when a driving potential is outputted from a driver, the driving potential is applied to a surface individual electrode connected to the switch in the contact state.
    Type: Grant
    Filed: March 10, 2008
    Date of Patent: August 23, 2011
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Toru Yamashita, Koji Imai
  • Publication number: 20110181643
    Abstract: A wiring connection structure of driver IC is provided. The wiring connection structure includes: a driver IC installed on a wiring substrate; output wires connected to output terminals of the driver IC; input wires including multiple kinds of signal input wires for transmitting multiple kinds of signals different from each other in susceptibility to an influence of noise; and bonding wires which connect input terminals of the driver IC to connection terminals of the input wires, and have an identical length to each other and a different loop height from the wiring substrate. The intervals between the input terminals are narrower than those between the connection terminals, and the loop height is higher with respect to the bonding wire connected to the connection terminal of the signal input wire for transmitting a signal more susceptible to the influence of noise.
    Type: Application
    Filed: January 26, 2011
    Publication date: July 28, 2011
    Inventor: Toru YAMASHITA
  • Publication number: 20110074848
    Abstract: A liquid discharge apparatus includes a liquid discharge head and a circuit board. The liquid jetting head includes a channel unit in which a plurality of nozzles and a plurality of liquid channels communicating with the nozzles respectively are formed, a plurality of drive portions which drive a plurality of deforming portions to deform so as to apply a jetting pressure to a liquid in the liquid channels, a plurality of lead portions arranged to cover the electrodes while maintaining a space between the electrodes and the lead portions, and a plurality of input terminals which are electrically connected to the electrodes via the lead portions. A plurality of connecting terminals which are electrically connected to the input terminals respectively are formed on the circuit board.
    Type: Application
    Filed: September 27, 2010
    Publication date: March 31, 2011
    Inventor: Toru YAMASHITA