Patents by Inventor Kenji Shino
Kenji Shino 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: 20230091914Abstract: A communication apparatus includes a transmission apparatus configured to transmit operation data for an apparatus, a reception apparatus configured to receive the operation data, a wireless communication unit via which the transmission apparatus and the reception apparatus wirelessly communicate with each other, and a cable configured to connect the transmission apparatus and the reception apparatus, wherein the transmission apparatus transmits a synchronization signal to the reception apparatus via the cable, the synchronization signal indicating a timing to execute the operation data, and wherein the transmission apparatus transmits the operation data corresponding to an operation of the apparatus in a predetermined period to the reception apparatus using the wireless communication unit.Type: ApplicationFiled: November 4, 2022Publication date: March 23, 2023Inventor: Kenji Shino
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Patent number: 11518043Abstract: A communication apparatus includes a transmission apparatus configured to transmit operation data for an apparatus, a reception apparatus configured to receive the operation data, a wireless communication unit via which the transmission apparatus and the reception apparatus wirelessly communicate with each other, and a cable configured to connect the transmission apparatus and the reception apparatus, wherein the transmission apparatus transmits a synchronization signal to the reception apparatus via the cable, the synchronization signal indicating a timing to execute the operation data, and wherein the transmission apparatus transmits the operation data corresponding to an operation of the apparatus in a predetermined period to the reception apparatus using the wireless communication unit.Type: GrantFiled: December 11, 2019Date of Patent: December 6, 2022Assignee: Canon Kabushiki KaishaInventor: Kenji Shino
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Patent number: 11413759Abstract: A robot arm includes a joint and links connected via the joint, a first encoder configured to detect information related to a position of the joint, a second encoder configured to detect information related to the position of the joint independently from the first encoder, and a controller configured to control an operation of the joint. The second encoder includes a scale in which a pattern is formed and a detector configured to detect position information of the joint by reading the pattern of the scale. The controller is configured to, in a case where a reading error occurs in the detector of the second encoder, execute encoder redetection processing of driving the joint of the robot arm on a basis of the detection result of the first encoder and redetecting the position information by the second encoder.Type: GrantFiled: November 6, 2018Date of Patent: August 16, 2022Assignee: Canon Kabushiki KaishaInventor: Kenji Shino
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Publication number: 20200198152Abstract: A communication apparatus includes a transmission apparatus configured to transmit operation data for an apparatus, a reception apparatus configured to receive the operation data, a wireless communication unit via which the transmission apparatus and the reception apparatus wirelessly communicate with each other, and a cable configured to connect the transmission apparatus and the reception apparatus, wherein the transmission apparatus transmits a synchronization signal to the reception apparatus via the cable, the synchronization signal indicating a timing to execute the operation data, and wherein the transmission apparatus transmits the operation data corresponding to an operation of the apparatus in a predetermined period to the reception apparatus using the wireless communication unit.Type: ApplicationFiled: December 11, 2019Publication date: June 25, 2020Inventor: Kenji Shino
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Patent number: 10569421Abstract: To improve production efficiency while maintaining stability of an operation of a robot arm. A dust position determination unit determines whether there is a read error based on a read result of a detection head of an encoder. In a case where the dust position determination unit determines that there is a read error, an error determination unit judges in which region, among an allowable region and a non-allowable region, the read error occurs. In a case where the read error is judged to occur in the allowable region, the error determination unit continues an operation of the robot arm.Type: GrantFiled: February 9, 2017Date of Patent: February 25, 2020Assignee: Canon Kabushiki KaishaInventor: Kenji Shino
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Publication number: 20190168389Abstract: A robot arm includes a joint and links connected via the joint, a first encoder configured to detect information related to a position of the joint, a second encoder configured to detect information related to the position of the joint independently from the first encoder, and a controller configured to control an operation of the joint. The second encoder includes a scale in which a pattern is formed and a detector configured to detect position information of the joint by reading the pattern of the scale. The controller is configured to, in a case where a reading error occurs in the detector of the second encoder, execute encoder redetection processing of driving the joint of the robot arm on a basis of the detection result of the first encoder and redetecting the position information by the second encoder.Type: ApplicationFiled: November 6, 2018Publication date: June 6, 2019Inventor: Kenji Shino
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Publication number: 20170232616Abstract: To improve production efficiency while maintaining stability of an operation of a robot arm. A dust position determination unit determines whether there is a read error based on a read result of a detection head of an encoder. In a case where the dust position determination unit determines that there is a read error, an error determination unit judges in which region, among an allowable region and a non-allowable region, the read error occurs. In a case where the read error is judged to occur in the allowable region, the error determination unit continues an operation of the robot arm.Type: ApplicationFiled: February 9, 2017Publication date: August 17, 2017Inventor: Kenji Shino
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Patent number: 8248354Abstract: A driving circuit includes a plurality of output terminals to be electrically connected to scan wirings, respectively, a scan controlling unit for selecting one or plural output terminals to output a driving signal for the scan wiring from among the plurality of output terminals, and a potential correcting unit for controlling a potential of the driving signal on the basis of a difference voltage between the potential of the selected output terminal and a reference potential. In addition, a reference potential adjusting unit adjusts the reference potential in response to a current passing through the selected output terminal in order to correct a voltage drop caused by a member connected to the selected output terminal. The reference potential adjusting unit changes adjustment of the reference potential in response to the number of the selected output terminals and turns off adjustment of the reference potential in the case that the number of the selected output terminals is more than 1.Type: GrantFiled: March 28, 2008Date of Patent: August 21, 2012Assignees: Canon Kabushiki Kaisha, Kabushiki Kaisha ToshibaInventors: Kenji Shino, Yasukazu Noine
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Patent number: 8154540Abstract: A drive circuit of a display panel having wirings and display devices connected to the wirings includes a first switch that transits potential of the wirings toward a first potential, a feedback amplifier that maintains the potentials of the wirings at the first potential, and a second switch that selects whether or not to supply an output from the feedback amplifier to the wirings. In addition, a self switch controls the second switch by comparing the potential of the wirings with a reference potential that is higher by a predetermined value than the first potential. The first switch and the second switch are connected to the wirings in parallel, and a drive performance of the first switch is lower than that of the second switch.Type: GrantFiled: January 30, 2009Date of Patent: April 10, 2012Assignee: Canon Kabushiki KaishaInventors: Kenji Shino, Yasukazu Noine
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Publication number: 20100321373Abstract: In a method for controlling an image display apparatus provided with a display panel including electron emitting devices connected to scan wirings and modulation wirings and light emitting members for emitting light by irradiation with electrons, a modulation voltage pulse is generated such that its pulse width becomes longer than that of a scan voltage pulse, and the modulation voltage pulse is started to be output before start of output of the scan voltage pulse whereas it is ended after end of the output of the scan voltage pulse.Type: ApplicationFiled: June 14, 2010Publication date: December 23, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Yasuhiko Sano, Kenji Shino
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Publication number: 20100259526Abstract: A scanning circuit having a plurality of output units each outputs an ON potential sequentially, comprises: a first output unit that changes an ON potential to an OFF potential during a first period; and a second output unit that changes the OFF potential to the ON potential during a second period, wherein at least part of the first period and at least part of the second period overlap.Type: ApplicationFiled: June 4, 2010Publication date: October 14, 2010Applicants: CANON KABUSHIKI KAISHA, KABUSHIKI KAISHA TOSHIBAInventors: Kenji Shino, Yasukazu Noine
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Patent number: 7746338Abstract: A scanning circuit and an image display device in which the influence of losses in a signal path to scanning wiring and a scanning signal output circuit can be reduced. By considering matrix drive in which one row is driven at a time and two or more of the rows are not simultaneously driven, the 480 rows are divided into six modules and one feedback circuit is provided in correspondence with each module to perform feedback control of the output buffers corresponding to 80 rows. An output from a switch is amplified by an operational amplifier and is input as a compensation signal to all the output buffers by an output voltage compensation circuit. Compensation for a voltage drop is made by using the compensation signal for an increase in voltage such that the apparent voltage drop due to the output current is limited to a small value.Type: GrantFiled: July 24, 2006Date of Patent: June 29, 2010Assignee: Canon Kabushiki KaishaInventors: Kenji Shino, Tadashi Aoki, Aoji Isono, Kazuhiko Murayama
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Publication number: 20090219263Abstract: A flexible printed circuit has ICs which drive display devices, connection wirings which connect the ICs and wirings on a display panel, and a resistor which is formed by the same process as the connection wirings. The ICs have a compensation circuit which compensates a voltage drop on the connection wirings. The compensation circuit applies an electric current flowing in the connection wirings or an electric current corresponding to this electric current to the resistor, so as to obtain a signal for compensating the voltage drop on the connection wirings. As a result, the voltage drop of the connection wirings on the flexile printed circuit can be accurately compensated.Type: ApplicationFiled: February 18, 2009Publication date: September 3, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Kenji Shino, Yasukazu Noine
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Patent number: 7573472Abstract: The present invention discloses an invention about a drive waveform for driving an image display unit. In particular, the present invention discloses the structure of using as a drive waveform a drive waveform signal which is level controlled by a plural of discontinuous levels including a minimum level which is a level corresponding to luminance brightness gradation data which is not 0, at least one non-minimum level which is a level corresponding to larger luminance brightness gradation data, and an intermediate level between the above-described minimum level and the above-described non-minimum level, and is given pulse width control with discontinuous pulse width, and which has a portion, which is controlled with the above-described minimum level, in its trailing edge, and a portion, which is controlled with the above-described intermediate level just before the former portion, when it has the portion controlled by the above-described non-minimum level.Type: GrantFiled: November 2, 2005Date of Patent: August 11, 2009Assignee: Canon Kabushiki KaishaInventors: Tadashi Aoki, Kazunori Katakura, Aoji Isono, Kazuhiko Murayama, Kenji Shino
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Publication number: 20090195522Abstract: A drive circuit for driving a display panel having wirings and display devices to be connected to the wirings, has a first switch that transits potential of the wirings toward the first potential, a feedback amplifier that maintains the potentials of the wirings at the first potential, and a second switch that selects whether or not to supply an output from the feedback amplifier to the wirings. The first switch and the second switch are connected to the wirings in parallel. A drive performance of the first switch is lower than that of the feedback amplifier. As a result, stable driving waveforms can be output in a simple and inexpensive circuit configuration.Type: ApplicationFiled: January 30, 2009Publication date: August 6, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Kenji Shino, Yasukazu Noine
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Publication number: 20090195528Abstract: A drive circuit, which drives a display panel having wirings and display devices to be connected to the wirings, has first driving means that allows a potential of the wirings to transit toward the first potential, second driving means that maintains the potential of the wirings at the first potential, and a control circuit that outputs the control signal for controlling the second driving means according to an output of the first driving means. As a result, a plurality of driving means can be controlled at appropriate timing in a simple structure.Type: ApplicationFiled: January 30, 2009Publication date: August 6, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Kenji Shino, Yasukazu Noine
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Patent number: 7463254Abstract: The present invention can provide a driving apparatus capable of compensating an influence of a voltage drop at low costs in a simple manner, which includes: a column driver circuit that generates at least one of modulation signals different in start reference time in one horizontal scanning period and the modulation signals obtained by using pulse width modulation and voltage amplitude modulation in combination; and a correction circuit that corrects a voltage of the row selection signal so as to suppress a voltage variation of the row selection signal, which is caused due to at least a resistance of an output stage of the row driver circuit and a current caused to flow into the resistance.Type: GrantFiled: June 9, 2006Date of Patent: December 9, 2008Assignee: Canon Kabushiki KaishaInventors: Kenji Shino, Tadashi Aoki, Aoji Isono, Kazuhiko Murayama, Yasuhiko Sano
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Publication number: 20080246750Abstract: There is provided a driving circuit including; a plurality of output terminals to be electrically connected to the scan wirings, respectively; a scan controlling unit for selecting one or plural output terminals to output a driving signal for the scan wiring from among the plurality of output terminals; a potential correcting unit for controlling a potential of the driving signal on the basis of a difference voltage between the potential of the selected output terminal and a reference potential; and a reference potential adjusting unit for adjusting the reference potential in response to a current passing through the selected output terminal in order to correct a voltage drop caused by a member connected to the selected output terminal. The reference potential adjusting unit changes adjustment of the reference potential in response to the number of the selected output terminals.Type: ApplicationFiled: March 28, 2008Publication date: October 9, 2008Applicants: CANON KABUSHIKI KAISHA, KABUSHIKI KAISHA TOSHIBAInventors: Kenji Shino, Yasukazu Noine
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Patent number: 7283131Abstract: An image display apparatus having a plurality of image forming devices. In an output circuit provided between constant voltage supplies and wiring for driving each of the image forming devices, MOSFETs are successively turned on from the one having a higher ON resistance at the time of switching to make a stepwise transition between outputs from the constant voltage supplies, and have steady potential, thereby limiting undesirable variation in signal potential at the time of switching.Type: GrantFiled: May 13, 2005Date of Patent: October 16, 2007Assignee: Canon Kabushiki KaishaInventors: Kazuhiko Murayama, Tadashi Aoki, Aoji Isono, Kenji Shino
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Patent number: 7142178Abstract: A modulator includes a modulation circuit for generating modulation signals based on inputted luminance data and for outputting the modulation signals to a plurality of image display elements, each of which is driven by a potential difference between a selection potential applied within a predetermined time period by a selection circuit and the modulation signal. The modulation signal has a waveform which is a combination of a plurality of unit pulses, with the unit pulses having an identical width and n kinds of peak values A1 to An, with n being an integer greater than 1, and A1<. . . <An. Additionally, the unit pulses are combined in such a way that maximal peak value portions of the waveform of the modulation signal are dispersed, and that a rising portion and a falling portion of the waveform have a stair-step-like shape.Type: GrantFiled: June 12, 2003Date of Patent: November 28, 2006Assignee: Canon Kabushiki KaishaInventors: Tadashi Aoki, Aoji Isono, Kazuhiko Murayama, Kenji Shino, Yasuhiko Sano