Patents by Inventor Yuji Shimada
Yuji Shimada 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).
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Publication number: 20190107920Abstract: There is provided a control circuit configured for a touch panel. The touch panel includes: a first resistive film and a second resistive film installed with a gap between the first resistive film and the second resistive film; and a first terminal and a second terminal that extend from two opposing sides of the first resistive film. The control circuit includes: a driving circuit configured to apply a driving voltage between the first terminal and the second terminal; and a current detection circuit configured to generate a digital current detection value that indicates a current amount obtained by subtracting a predetermined current from a panel current flowing between the first terminal and the second terminal.Type: ApplicationFiled: October 10, 2018Publication date: April 11, 2019Inventor: Yuji SHIMADA
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Publication number: 20180348729Abstract: A control device adapted to control a robot including a robot arm provided with a force detector includes a processor that is configured to execute computer-executable instructions so as to control the robot, wherein the processor is configured to: operate the robot arm to move a screw gauge which is disposed on a tip side of the force detector of the robot arm, used for an inspection of a screw hole, and provided with an external thread, to make the external thread have contact with the screw hole; then detect force applied to the screw gauge using the force detector to perform force control in a direction perpendicular to a direction of an axis of the screw hole based on detection information of the force detector; and operate the robot arm to move the screw gauge based on the force control.Type: ApplicationFiled: May 30, 2018Publication date: December 6, 2018Inventors: Junya UEDA, Yuji SHIMADA
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Publication number: 20180200892Abstract: A robot includes a robot arm having at least one arm, from which an end effector is detachable, a force detection unit provided between the end effector and the arm, and an energizing member that energizes the end effector toward the force detection unit side. It is preferable that the energizing member is an elastic member having elasticity. Further, a connecting part that couples the robot arm and the end effector is provided, and it is preferable that the force detection unit is provided between the end effector and the connecting part.Type: ApplicationFiled: January 5, 2018Publication date: July 19, 2018Inventors: Yuji SHIMADA, Naoki UMETSU, Tsuguya KOJIMA, Masato YOKOTA
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Patent number: 9866345Abstract: A transmission device for which a work path is established in a first degree and a protection path is established in a second degree includes: a switch equipped with a plurality of optical ports; an optical signal generator, optically connected to a first optical port, and configured to generate an optical signal that is transmitted through the work path; and a monitor light generator, optically connected to a second optical port, and configured to generate monitor light by using a wavelength tunable light source. The monitor light generator controls a wavelength of the monitor light to be substantially the same as a wavelength of the optical signal. The switch guides the optical signal that arrives at the first optical port toward the first degree and guides the monitor light that arrives at the second optical port toward the second degree.Type: GrantFiled: December 9, 2016Date of Patent: January 9, 2018Assignee: FUJITSU LIMITEDInventors: Yuki Ban, Yuji Shimada
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Publication number: 20170300148Abstract: A capacitance measurement circuit measures each of multiple electrostatic capacitances. Charger circuits respectively correspond to a sensor capacitance Cs. Each charger circuit charges the corresponding sensor capacitance Cs so as to generate a detection current Is that corresponds to a charging current ICHG. A current averaging circuit is configured to be switchable between the on state and the off state. In the on state, the current averaging circuit outputs an average current IAVE obtained by averaging the detection currents Is generated by the multiple charger circuits. In the off state, the current averaging circuit outputs an average current IAVE of zero. The capacitance measurement circuit measures each sensor capacitance Cs based on a differential current between the corresponding detection current Is and the average current IAVE.Type: ApplicationFiled: April 13, 2017Publication date: October 19, 2017Inventor: Yuji SHIMADA
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Publication number: 20170222747Abstract: A transmission device for which a work path is established in a first degree and a protection path is established in a second degree includes: a switch equipped with a plurality of optical ports; an optical signal generator, optically connected to a first optical port, and configured to generate an optical signal that is transmitted through the work path; and a monitor light generator, optically connected to a second optical port, and configured to generate monitor light by using a wavelength tunable light source. The monitor light generator controls a wavelength of the monitor light to be substantially the same as a wavelength of the optical signal. The switch guides the optical signal that arrives at the first optical port toward the first degree and guides the monitor light that arrives at the second optical port toward the second degree.Type: ApplicationFiled: December 9, 2016Publication date: August 3, 2017Applicant: FUJITSU LIMITEDInventors: Yuki BAN, Yuji SHIMADA
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Patent number: 9697998Abstract: A mass spectrometer includes: an ionization unit configured to ionize an analyte gas; a filter unit configured to allow passage of only a target ion which is a component of the analyte gas ionized in the ionization unit and which has a specific mass-to-charge ratio; and an ion detection unit configured to detect an ion detection value based on the target ion having passed through the filter unit, wherein the ion detection unit includes a Faraday electrode which includes an electrode portion disposed along a centerline of the filter unit and a bottom electrode provided at a position downstream of the electrode portion in a flow of the target ion, the electrode portion and the bottom electrode being connected to each other, a secondary electron multiplier provided to face the electrode portion with the centerline located therebetween, and a blocking portion connected to the bottom electrode.Type: GrantFiled: December 28, 2015Date of Patent: July 4, 2017Assignee: CANON ANELVA CORPORATIONInventors: Megumi Nakamura, Yoshiyuki Takizawa, Masayuki Sugiyama, Yuji Shimada, Hiroki Mita
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Patent number: 9652104Abstract: A capacitance voltage conversion circuit, which converts respective capacitances of a plurality of sensor capacitors into voltages, includes: a plurality of capacitance current conversion circuits disposed in respective correspondence with the sensor capacitors, each capacitance current conversion circuit configured to generate a detection current corresponding to a capacitance of a corresponding sensor capacitor; a current average circuit configured to average a plurality of detection currents, which are respectively generated by the capacitance current conversion circuits, to generate an average current; and a plurality of current voltage conversion circuits disposed in respective correspondence with the sensor capacitors, each current voltage conversion circuit configured to convert a difference current between a corresponding detection current and the average current into a voltage.Type: GrantFiled: January 12, 2016Date of Patent: May 16, 2017Assignee: ROHM CO., LTDInventors: Yukihiro Iwamoto, Yuji Shimada
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Publication number: 20160240364Abstract: A mass spectrometer includes: an ionization unit configured to ionize an analyte gas; a filter unit configured to allow passage of only a target ion which is a component of the analyte gas ionized in the ionization unit and which has a specific mass-to-charge ratio; and an ion detection unit configured to detect an ion detection value based on the target ion having passed through the filter unit, wherein the ion detection unit includes a Faraday electrode which includes an electrode portion disposed along a centerline of the filter unit and a bottom electrode provided at a position downstream of the electrode portion in a flow of the target ion, the electrode portion and the bottom electrode being connected to each other, a secondary electron multiplier provided to face the electrode portion with the centerline located therebetween, and a blocking portion connected to the bottom electrode.Type: ApplicationFiled: December 28, 2015Publication date: August 18, 2016Inventors: Megumi Nakamura, Yoshiyuki Takizawa, Masayuki Sugiyama, Yuji Shimada, Hiroki Mita
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Publication number: 20160124552Abstract: A capacitance voltage conversion circuit, which converts respective capacitances of a plurality of sensor capacitors into voltages, includes: a plurality of capacitance current conversion circuits disposed in respective correspondence with the sensor capacitors, each capacitance current conversion circuit configured to generate a detection current corresponding to a capacitance of a corresponding sensor capacitor; a current average circuit configured to average a plurality of detection currents, which are respectively generated by the capacitance current conversion circuits, to generate an average current; and a plurality of current voltage conversion circuits disposed in respective correspondence with the sensor capacitors, each current voltage conversion circuit configured to convert a difference current between a corresponding detection current and the average current into a voltage.Type: ApplicationFiled: January 12, 2016Publication date: May 5, 2016Inventors: Yukihiro IWAMOTO, Yuji SHIMADA
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Patent number: 9261545Abstract: A capacitance voltage conversion circuit, which converts respective capacitances of a plurality of sensor capacitors into voltages, includes: a plurality of capacitance current conversion circuits disposed in respective correspondence with the sensor capacitors, each capacitance current conversion circuit configured to generate a detection current corresponding to a capacitance of a corresponding sensor capacitor; a current average circuit configured to average a plurality of detection currents, which are respectively generated by the capacitance current conversion circuits, to generate an average current; and a plurality of current voltage conversion circuits disposed in respective correspondence with the sensor capacitors, each current voltage conversion circuit configured to convert a difference current between a corresponding detection current and the average current into a voltage.Type: GrantFiled: February 7, 2012Date of Patent: February 16, 2016Assignee: ROHM CO., LTD.Inventors: Yukihiro Iwamoto, Yuji Shimada
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Patent number: 8848738Abstract: There is provided an optical transmission device which includes a determiner, a convertor, and a switch. The determiner determines whether a frame includes a fixed stuff byte area or not when the frame is received from a first network, where the frame includes a payload area for storing client data and the fixed stuff byte area is for storing fixed data. When the determiner determines that the frame includes the fixed stuff byte area, a convertor to convert a fixed stuff byte area into the payload area and a switch switches a clock frequency from a first clock frequency used in the first network to a second clock frequency used in a second network when the frame including the converted fixed stuff byte area is output to the second network on the basis of the clock frequency as a reference.Type: GrantFiled: December 20, 2010Date of Patent: September 30, 2014Assignee: Fujitsu LimitedInventors: Ayumu Nonaka, Yuji Shimada, Syed Faruk Ahmed
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Patent number: 8833329Abstract: A hybrid transaxle 200 that is a transmission is provided with a junction surface 20 that contacts a junction surface of an internal combustion engine. A bolt span portion 20a of the junction surface 20 is provided with a protrusion portion 25 that elastically deforms so that the internal combustion engine-side junction surface and the hybrid transaxle 200-side junction surface 20 closely contact each other.Type: GrantFiled: March 31, 2010Date of Patent: September 16, 2014Assignee: Toyota Jidosha Kabushiki KaishaInventors: Tomoyuki Kasuga, Takashi Shimizu, Yukinobu Nishikawa, Yota Mizuno, Yuji Shimada, Kenji Odaka
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Patent number: 8699506Abstract: An optical transmission apparatus includes an extractor that extracts information indicating port allocation to each slot of a reception signal; a comparator that based on the extracted information and for a given slot among the slots, obtains a count of the slots allocated the same port as the given slot and compares the obtained count of slots and an expected value for the given slot; and a memory that stores therein for each slot, an expected value for the count of slots allocated the same port as the slot. The comparator detects a mismatch concerning the given slot, when the obtained count of slots and the expected value for the given slot differ.Type: GrantFiled: February 6, 2012Date of Patent: April 15, 2014Assignee: Fujitsu LimitedInventors: Miwa Taniguchi, Yuji Shimada, Yoshinobu Matsukawa
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Publication number: 20130332629Abstract: A configuration controller configured to control configuration of a partially configurable programmable device, includes a determination unit configured to determine whether or not circuit data to be arranged in any one of a plurality of areas in the programmable device matches desired circuit data for which a desired arrangement target area is specified, before the circuit data to be arranged is written into the programmable device, and a data controller configured to control whether or not the circuit data to be arranged is to be written into the programmable device, in accordance with the determination result of the determination unit.Type: ApplicationFiled: May 2, 2013Publication date: December 12, 2013Applicant: FUJITSU LIMITEDInventors: Katsuyuki OKABE, Koichi KINOSHITA, Kenichi OHYAMA, Haruhisa FUKANO, Yuji SHIMADA
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Publication number: 20130039644Abstract: There is provided an optical network apparatus included in an optical network in which alarm information including a type and a position of a generated failure is transferred, the optical network apparatus including: a reception unit configured to detect alarm information from a received signal, generate alarm code information representing content of an alarm from the alarm information, and transmit a signal including the alarm code information; a transfer unit configured to switch and transfer the signal transmitted from the reception unit; and a transmission unit configured to replace the alarm information included in the signal transferred from the transfer unit, based on the alarm code information, setting information of the transmission unit and setting information of the reception unit, and to transmit the signal including the replaced alarm information.Type: ApplicationFiled: July 30, 2012Publication date: February 14, 2013Applicant: FUJITSU LIMITEDInventors: Miwa TANIGUCHI, Yuji Shimada, Yoshinobu Matsukawa
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Publication number: 20120257903Abstract: An optical transmission apparatus includes an extractor that extracts information indicating port allocation to each slot of a reception signal; a comparator that based on the extracted information and for a given slot among the slots, obtains a count of the slots allocated the same port as the given slot and compares the obtained count of slots and an expected value for the given slot; and a memory that stores therein for each slot, an expected value for the count of slots allocated the same port as the slot. The comparator detects a mismatch concerning the given slot, when the obtained count of slots and the expected value for the given slot differ.Type: ApplicationFiled: February 6, 2012Publication date: October 11, 2012Applicant: FUJITSU LIMITEDInventors: Miwa TANIGUCHI, Yuji Shimada, Yoshinobu Matsukawa
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Publication number: 20120200306Abstract: A capacitance voltage conversion circuit, which converts respective capacitances of a plurality of sensor capacitors into voltages, includes: a plurality of capacitance current conversion circuits disposed in respective correspondence with the sensor capacitors, each capacitance current conversion circuit configured to generate a detection current corresponding to a capacitance of a corresponding sensor capacitor; a current average circuit configured to average a plurality of detection currents, which are respectively generated by the capacitance current conversion circuits, to generate an average current; and a plurality of current voltage conversion circuits disposed in respective correspondence with the sensor capacitors, each current voltage conversion circuit configured to convert a difference current between a corresponding detection current and the average current into a voltage.Type: ApplicationFiled: February 7, 2012Publication date: August 9, 2012Applicant: ROHM CO., LTD.Inventors: Yukihiro IWAMOTO, Yuji SHIMADA
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Patent number: 8225690Abstract: A power transmission device is provided with: a first gear having a plurality of teeth that share an identical tooth profile; an intermediate gear that is engaged with the first gear; and a second gear that is engaged with the intermediate gear, and has a plurality of teeth that share an identical tooth profile, wherein the first gear and the second gear have an identical number of teeth, an identical reference diameter, and an identical reference pitch; and the tooth profile of the first gear is different from that of the second gear.Type: GrantFiled: February 19, 2008Date of Patent: July 24, 2012Assignee: Toyota Jidosha Kabushiki KaishaInventors: Yuji Shimada, Katsuya Kobayashi
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Patent number: 8160111Abstract: A system and method of transmitting client data encoded according to an 8B/10B encoding between a client side and an optical communication network side, including inserting padding signals in an amount corresponding to a rate difference between a clock on the client side and a clock in the optical transmission device and controlling a clock to be used as a reference in transmitting the client data to synchronize with a clock having been used as a reference in transmitting the client data on the basis of a ratio of padding signals having been inserted in the client data.Type: GrantFiled: October 17, 2008Date of Patent: April 17, 2012Assignee: Fujitsu LimitedInventors: Ayumu Nonaka, Yuji Shimada, Hideo Kuroda, Koji Nekoda