Patents by Inventor Hajime Homma
Hajime Homma 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: 20230290197Abstract: A vehicle according to the present disclosure includes a first wheel, a second wheel, a body coupled to the first and second wheels and movable by the first and second wheels, a first imaging circuit configured to capture an image of exterior of the vehicle, and a processor. The processor is configured to: set a monitoring target based on a captured image; start, when a monitoring start condition is met, a monitoring process of determining whether the monitoring target belongs to a monitoring range based on a captured image by the first imaging circuit; and terminate, when a monitoring end condition is met, the monitoring process, the monitoring start condition or the monitoring end condition including a condition related to an operation of the vehicle.Type: ApplicationFiled: May 19, 2023Publication date: September 14, 2023Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tsuyoshi NISHIO, Makoto HINATA, Masahiro ANEZAKI, Hajime HOMMA, Naoki USUI, Yuki NISHIDA, Takuma MASUDA
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Publication number: 20230014553Abstract: A display device is disclosed. The device includes: a display that is provided to a moving body; and a display controller that controls displaying, on the display, of a virtual object corresponding to an object seen through the display from inside of the moving body, based on a positional relationship between the object and the moving body.Type: ApplicationFiled: September 19, 2022Publication date: January 19, 2023Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Hajime HOMMA, Makoto HINATA, Masahiro ANEZAKI, Hirotada YAGINUMA, Ayano KAWAE, Chie HIROSAWA, Xiangmei PIAO
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Publication number: 20230017486Abstract: A display device, a display method, and a vehicle are disclosed. The device includes: a transmissive display that is provided to a moving body; and a display controller that changes transparency of the transmissive display based on traveling information on traveling of the moving body.Type: ApplicationFiled: September 19, 2022Publication date: January 19, 2023Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Hajime HOMMA, Makoto HINATA, Masahiro ANEZAKI, Hirotada YAGINUMA, Ayano KAWAE, Chie HIROSAWA, Xiangmei PIAO
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Patent number: 10377241Abstract: Includes electric motor (330) driving driving wheel (610) , speed control unit (300) controlling driving of electric motor (330) based on instructed speed ?r*, brake control unit (400) controlling hydraulic brake (500) applying mechanical braking to an electromotive vehicle, speed sensor (340) detecting traveling speed ?r of the electromotive vehicle, and determination unit (200) determining whether the mechanical braking needs to be applied in response to the difference between instructed speed ?r* and traveling speed ?r, and controlling operation of brake control unit (400) based on the determination result. Determination unit (200) determines that mechanical braking needs to be applied when instructed speed ?r* indicates deceleration and traveling speed ?r is higher than instructed speed ?r* , and performs control so that brake control unit (400) works hydraulic brake (500).Type: GrantFiled: August 28, 2017Date of Patent: August 13, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Shuji Inoue, Shinji Masuda, Ryouji Oonishi, Hajime Homma
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Publication number: 20170355266Abstract: Includes electric motor (330) driving driving wheel (610) , speed control unit (300) controlling driving of electric motor (330) based on instructed speed ?r*, brake control unit (400) controlling hydraulic brake (500) applying mechanical braking to an electromotive vehicle, speed sensor (340) detecting traveling speed ?r of the electromotive vehicle, and determination unit (200) determining whether the mechanical braking needs to be applied in response to the difference between instructed speed ?r* and traveling speed ?r, and controlling operation of brake control unit (400) based on the determination result. Determination unit (200) determines that mechanical braking needs to be applied when instructed speed ?r* indicates deceleration and traveling speed ?r is higher than instructed speed ?r* , and performs control so that brake control unit (400) works hydraulic brake (500) .Type: ApplicationFiled: August 28, 2017Publication date: December 14, 2017Inventors: Shuji INOUE, Shinji MASUDA, Ryouji OONISHI, Hajime HOMMA
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Patent number: 8421713Abstract: It is an object to provide a driving method of a plasma display panel, whereby a dark contrast can be improved while suppressing an erroneous discharge. In a resetting step in a first unit display period, while a first reset pulse having a predetermined peak electric potential is applied to one of first row electrodes of row electrode pairs formed in the PDP, a second reset pulse having a peak electric potential smaller than that of the first reset pulse is applied to the other of the first row electrodes. In the resetting step in a second unit display period subsequent to the first unit display period, a second reset pulse is applied to each of the one and the other of the first row electrodes.Type: GrantFiled: April 17, 2012Date of Patent: April 16, 2013Assignee: Panasonic CorporationInventors: Kazuo Yahagi, Mitsuhiro Ishizuka, Yuya Shiozaki, Shunsuke Itakura, Kazuhiro Kanai, Hajime Homma, Yoshichika Sato, Hikaru Takahashi
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Publication number: 20120200543Abstract: It is an object to provide a driving method of a plasma display panel, whereby a dark contrast can be improved while suppressing an erroneous discharge. In a resetting step in a first unit display period, while a first reset pulse having a predetermined peak electric potential is applied to one of first row electrodes of row electrode pairs formed in the PDP, a second reset pulse having a peak electric potential smaller than that of the first reset pulse is applied to the other of the first row electrodes. In the resetting step in a second unit display period subsequent to the first unit display period, a second reset pulse is applied to each of the one and the other of the first row electrodes.Type: ApplicationFiled: April 17, 2012Publication date: August 9, 2012Applicant: PANASONIC CORPORATIONInventors: Kazuo YAHAGI, Mitsuhiro ISHIZUKA, Yuya SHIOZAKI, Shunsuke ITAKURA, Kazuhiro KANAI, Hajime HOMMA, Yoshichika SATO, Hikaru TAKAHASHI
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Patent number: 8237629Abstract: Disclosed is a method of driving a plasma display panel. In this method, one field corresponding to one image is divided into a plurality of sub-fields, and at least one second sub-field is arranged after a first sub-field. In the first sub-field, the method comprises a first step of forming wall charges with negative polarity near the scanning electrode and forming wall charges with positive polarity near the common electrode and the data electrode; a second step of adjusting an amount of the wall charges with negative polarity near the scanning electrode and an amount of the wall charges with positive polarity near the common electrode and the data electrode; a third step of generating a writing discharge in a selected display cell of the display cells; a fourth step of generating light emission for display; and a fifth step of erasing a part of the wall charges in the display cell which emits light in the fourth step.Type: GrantFiled: December 12, 2008Date of Patent: August 7, 2012Assignee: Panasonic CorporationInventors: Hajime Homma, Mitsuhiro Ishizuka, Shinji Hirakawa, Shinya Tsuchida, Koji Hashimoto
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Patent number: 7973741Abstract: When a discharge start voltage takes a normal value under the normal temperature, priming discharge starts at a time t1. In this case, at a time t3 that is later than the time t1 by a predetermined time t, a sustain driver control signal Ssud2 is raised to put a sustain electrode into the floating state to stop the priming discharge. When the discharge start voltage takes a higher value than usual under the high temperature, the priming discharge starts at a time t2. In this case, at a time t4 that is later than the time t2 by the predetermined time t, the sustain driver control signal Ssud2 is lowered to put the sustain electrode into the floating state to stop the priming discharge. With such a configuration, provided is a plasma display device capable of implementing excellent and stable display quality while maintaining constant, even if a discharge start voltage varies, the charge state in display cells after a priming period, and a drive method for such a plasma display device.Type: GrantFiled: May 28, 2008Date of Patent: July 5, 2011Assignee: Panasonic CorporationInventors: Shinya Tsuchida, Shinji Hirakawa, Mitsuhiro Ishizuka, Koji Hashimoto, Hajime Homma
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Patent number: 7940232Abstract: A driving method includes generating an address discharge in selected cells out of discharge cells and setting the selected cells to either an emission enable state or a non-emission state in an address period which is set in each subfield period. The driving method also includes generating sustaining discharge in discharge cells being set to the emission enable state by applying at least one discharge sustaining pulse P+ between a scanning electrode and a common electrode constituting each row electrode pair, in a discharge sustaining period following the address period. The driving method also includes decreasing the applied voltage between the scanning electrode and common electrode in steps when a final applied pulse P+ out of the discharge sustaining pulses falls.Type: GrantFiled: March 14, 2008Date of Patent: May 10, 2011Assignee: Panasonic CorporationInventors: Takashi Mashita, Hajime Homma
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Publication number: 20090219226Abstract: It is an object to provide a driving method of a plasma display panel, whereby a dark contrast can be improved while suppressing an erroneous discharge. In a resetting step in a first unit display period, while a first reset pulse having a predetermined peak electric potential is applied to one of first row electrodes of row electrode pairs formed in the PDP, a second reset pulse having a peak electric potential smaller than that of the first reset pulse is applied to the other of the first row electrodes. In the resetting step in a second unit display period subsequent to the first unit display period, a second reset pulse is applied to each of the one and the other of the first row electrodes.Type: ApplicationFiled: August 7, 2008Publication date: September 3, 2009Applicant: PIONEER CORPORATIONInventors: Kazuo Yahagi, Mitsuhiro Ishizuka, Yuya Shiozaki, Shunsuke Itakura, Kazuhiro Kanai, Hajime Homma, Yoshichika Sato, Hikaru Takahashi
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Publication number: 20090219229Abstract: When the temperature of a plasma display panel falls outside a predetermined temperature range or when the time during which the plasma display panel is used exceeds a predetermined time, the largest potential difference between one row electrode and the other row electrode is reduced in a second half of a reset step.Type: ApplicationFiled: September 11, 2008Publication date: September 3, 2009Applicant: Pioneer CorporationInventors: Hajime HOMMA, Yuichi Sakai, Ayuhiko Saito, Hideki Tanaka, Masanori Ishihara
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Publication number: 20090102756Abstract: Disclosed is a method of driving a plasma display panel. In this method, one field corresponding to one image is divided into a plurality of sub-fields, and at least one second sub-field is arranged after a first sub-field. In the first sub-field, the method comprises a first step of forming wall charges with negative polarity near the scanning electrode and forming wall charges with positive polarity near the common electrode and the data electrode; a second step of adjusting an amount of the wall charges with negative polarity near the scanning electrode and an amount of the wall charges with positive polarity near the common electrode and the data electrode; a third step of generating a writing discharge in a selected display cell of the display cells; a fourth step of generating light emission for display; and a fifth step of erasing a part of the wall charges in the display cell which emits light in the fourth step.Type: ApplicationFiled: December 12, 2008Publication date: April 23, 2009Inventors: Hajime Homma, Mitsuhiro Ishizuka, Shinji Hirakawa, Shinya Tsuchida, Koji Hashimoto
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Patent number: 7482999Abstract: Disclosed is a method of driving a plasma display panel. In this method, one field corresponding to one image is divided into a plurality of sub-fields, and at least one second sub-field is arranged after a first sub-field. In the first sub-field, the method comprises a first step of forming wall charges with negative polarity near the scanning electrode and forming wall charges with positive polarity near the common electrode and the data electrode; a second step of adjusting an amount of the wall charges with negative polarity near the scanning electrode and an amount of the wall charges with positive polarity near the common electrode and the data electrode; a third step of generating a writing discharge in a selected display cell of the display cells; a fourth step of generating light emission for display; and a fifth step of erasing a part of the wall charges in the display cell which emits light in the fourth step.Type: GrantFiled: April 13, 2005Date of Patent: January 27, 2009Assignee: Pioneer CorporationInventors: Hajime Homma, Mitsuhiro Ishizuka, Shinji Hirakawa, Shinya Tsuchida, Koji Hashimoto
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Publication number: 20080284684Abstract: A plasma display device and a method for driving the plasma display device are provided, wherein deterioration in image quality in a period immediately after power-on can be restrained while improving dark contrast. When driving a PDP, by applying various drive pulses, that includes a phosphor layer containing a secondary electron emissive material in respective discharge cells, drive pulses having different pulse waveforms are generated in a period from power-on of the plasma display device to after a lapse of a predetermined period of time, and in a period after a lapse of the predetermined period of time.Type: ApplicationFiled: May 13, 2008Publication date: November 20, 2008Applicant: Pioneer CorporationInventors: Mitsuhiro ISHIZUKA, Mitsuyoshi Makino, Hajime Homma, Koji Hashimoto, Masanori Ishihara, Tsutomu Tokunaga, Tatsuya Sugimoto
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Publication number: 20080284686Abstract: When a sustain discharge corresponding to the display light is repeatedly produced by applying a drive pulse to a PDP which includes a fluorescent layer in the discharge cells, the drive pulse waveform is adjusted in accordance with the total number of sustain discharges. Furthermore, an auxiliary pulse of the same polarity as that of the sustain pulse is applied to the column electrodes in a period from after the application of a final scan pulse in the address process until the application of a leading sustain pulse. A period from the final sustain pulse until the time of the application of the leading pixel data pulse which is applied first in the write address process of the one subfield of the subsequent frame is made 1 millisecond (msec) or more.Type: ApplicationFiled: May 12, 2008Publication date: November 20, 2008Applicant: Pioneer CorporationInventors: Takashi Mashita, Hajime Homma, Koji Hashimoto, Yuichi Sakai, Ayuhiko Saito, Mitsuhiro Ishizuka
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Publication number: 20080238824Abstract: When a discharge start voltage takes a normal value under the normal temperature, priming discharge starts at a time t1. In this case, at a time t3 that is later than the time t1 by a predetermined time t, a sustain driver control signal Ssud2 is raised to put a sustain electrode into the floating state to stop the priming discharge. When the discharge start voltage takes a higher value than usual under the high temperature, the priming discharge starts at a time t2. In this case, at a time t4 that is later than the time t2 by the predetermined time t, the sustain driver control signal Ssud2 is lowered to put the sustain electrode into the floating state to stop the priming discharge. With such a configuration, provided is a plasma display device capable of implementing excellent and stable display quality while maintaining constant, even if a discharge start voltage varies, the charge state in display cells after a priming period, and a drive method for such a plasma display device.Type: ApplicationFiled: May 28, 2008Publication date: October 2, 2008Inventors: Shinya TSUCHIDA, Shinji Hirakawa, Mitsuhiro Ishizuka, Koji Hashimoto, Hajime Homma
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Publication number: 20080224954Abstract: A driving method includes generating an address discharge in selected cells out of discharge cells and setting the selected cells to either an emission enable state or a non-emission state in an address period which is set in each subfield period. The driving method also includes generating sustaining discharge in discharge cells being set to the emission enable state by applying at least one discharge sustaining pulse P+ between a scanning electrode and a common electrode constituting each row electrode pair, in a discharge sustaining period following the address period. The driving method also includes decreasing the applied voltage between the scanning electrode and common electrode in steps when a final applied pulse P+ out of the discharge sustaining pulses falls.Type: ApplicationFiled: March 14, 2008Publication date: September 18, 2008Applicant: Pioneer CorporationInventors: Takashi MASHITA, Hajime Homma
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Publication number: 20080218443Abstract: A driving method in which, when a sustain discharge is caused only at each discharge cell set in on-mode by applying a sustain pulse to each row electrode pair of a plasma display panel, the electric field between row electrodes of each row electrode pair can be intensified by applying an auxiliary pulse to each column electrode of the plasma display panel together with the sustain pulse.Type: ApplicationFiled: March 6, 2008Publication date: September 11, 2008Applicant: PIONEER CORPORATIONInventors: Yuichi SAKAI, Hajime HOMMA, Ayuhiko SAITO, Takashi MASHITA, Koji HASHIMOTO
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Publication number: 20080211795Abstract: A length of an addressing period in a first sub-field is made shorter as time from an end of a second sub-field which provides light emission just previously to the first sub-field in a frame including the first and second sub-fields to a start of the first sub-field decreases, and as the number of sustain pulses in the second sub-field increases.Type: ApplicationFiled: February 15, 2008Publication date: September 4, 2008Inventor: Hajime HOMMA