Patents by Inventor Toshiaki Itazawa
Toshiaki Itazawa 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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Patent number: 8467187Abstract: A flat-panel display apparatus comprises a display panel, a circuit board, and a cover. The circuit board includes a first and second circuit boards. The first circuit board is arranged above the second circuit board so that, on the back side of the display panel, a mounting surfaces of the first and second circuit boards are approximately in parallel with a display surface of the display panel and do not overlap each other. Each of the first and second circuit boards have a primary mounting surface on which a large number of electrical components are mounted, and a secondary mounting surface that is opposite the primary mounting surface. The primary mounting surface of the first circuit board is arranged in an inverted orientation to the primary mounting surface of the second circuit board. A radiator with fins is provided on the secondary mounting surface side of the first circuit board.Type: GrantFiled: December 23, 2009Date of Patent: June 18, 2013Assignee: Canon Kabushiki KaishaInventors: Toshiaki Itazawa, Kunio Sakurai, Kiyoshi Kumagai
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Patent number: 8295052Abstract: A flat panel display apparatus includes a display panel, a chassis configured to support a backside of the display panel, and a flexible circuit board on which a driving circuit for driving the display panel is mounted. The chassis includes a first flat plate bonded to the display panel on a surface side, and a second flat plate bonded to a front cover arranged on the surface side of the display panel. The flexible circuit board has one end connected to the display panel, and another end arranged between the first and second flat plates. The second flat plate includes a plurality of flange portions formed to be bonded to the front cover.Type: GrantFiled: March 19, 2008Date of Patent: October 23, 2012Assignee: Canon Kabushiki KaishaInventor: Toshiaki Itazawa
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Patent number: 8072550Abstract: A remote control unit capable of bidirectionally communicating with a display apparatus, such as a television set. The remote control unit comprises a display unit adapted to display an image transmitted from the display apparatus, a detector unit adapted to detect a state of a power supply of the remote control unit, and a switching unit adapted to switch a display mode of the display unit from a moving image mode to a still image mode, according to the state of the power supply.Type: GrantFiled: January 17, 2006Date of Patent: December 6, 2011Assignee: Canon Kabushiki KaishaInventors: Takashi Tsunoda, Toshiaki Itazawa
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Publication number: 20100177479Abstract: A flat-panel display apparatus comprises a display panel, a circuit board, and a cover. The circuit board includes a first and second circuit boards. The first circuit board is arranged above the second circuit board so that, on the back side of the display panel, a mounting surfaces of the first and second circuit boards are approximately in parallel with a display surface of the display panel and do not overlap each other. Each of the first and second circuit boards have a primary mounting surface on which a large number of electrical components are mounted, and a secondary mounting surface that is opposite the primary mounting surface. The primary mounting surface of the first circuit board is arranged in an inverted orientation to the primary mounting surface of the second circuit board. A radiator with fins is provided on the secondary mounting surface side of the first circuit board.Type: ApplicationFiled: December 23, 2009Publication date: July 15, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Toshiaki Itazawa, Kunio Sakurai, Kiyoshi Kumagai
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Publication number: 20080310092Abstract: A flat panel display apparatus includes a display panel, a chassis configured to support a backside of the display panel, and a flexible circuit board on which a driving circuit for driving the display panel is mounted. The chassis includes a first flat plate bonded to the display panel on a surface side, and a second flat plate bonded to a front cover arranged on the surface side of the display panel. The flexible circuit board has one end connected to the display panel, and another end arranged between the first and second flat plates. The second flat plate includes a plurality of flange portions formed to be bonded to the front cover.Type: ApplicationFiled: March 19, 2008Publication date: December 18, 2008Applicant: CANON KABUSHIKI KAISHAInventor: Toshiaki Itazawa
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Patent number: 7154558Abstract: A display control apparatus includes a display controller for receiving image signals corresponding to a plurality of images, to perform image processing on the image signals, and to synthesize images corresponding to the thus-processed image signals. While the images are displayed in a main picture and a sub-picture, the display controller further displays, adjacently to the sub-picture, a list of a plurality of images.Type: GrantFiled: May 22, 2002Date of Patent: December 26, 2006Assignee: Canon Kabushiki KaishaInventors: Hideaki Yui, Takashi Tsunoda, Makoto Uehara, Toshiaki Itazawa, Eiichi Matsuzaki
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Publication number: 20060158571Abstract: A remote control unit capable of bidirectionally communicating with a display apparatus, such as a television set. The remote control unit comprises a display unit adapted to display an image transmitted from the display apparatus, a detector unit adapted to detect a state of a power supply of the remote control unit, and a switching unit adapted to switch a display mode of the display unit from a moving image mode to a still image mode, according to the state of the power supply.Type: ApplicationFiled: January 17, 2006Publication date: July 20, 2006Applicant: Canon Kabushiki KaishaInventors: Takashi Tsunoda, Toshiaki Itazawa
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Patent number: 6763252Abstract: An information processing apparatus can accommodate a portable device in a detachable way, and can detect accommodation/removal of the portable device, and can read ID information transmitted from the portable device. Therefore, access to a security system and a host computer via a same portable device can be achieved, and an individual can be relieved of the trouble of carrying to many portable devices.Type: GrantFiled: May 18, 1999Date of Patent: July 13, 2004Assignee: Canon Kabushiki KaishaInventor: Toshiaki Itazawa
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Publication number: 20020196367Abstract: A display control apparatus comprises display control means for receiving image signals corresponding to a plurality of images, to perform image processing on the image signals, and to synthesize images corresponding to the thus-processed image signals. While the images are displayed in a main picture and a sub-picture, the display control means further displays, adjacently to the sub-picture, a list of a plurality of images.Type: ApplicationFiled: May 22, 2002Publication date: December 26, 2002Inventors: Hideaki Yui, Takashi Tsunoda, Makoto Uehara, Toshiaki Itazawa, Eiichi Matsuzaki
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Publication number: 20020169001Abstract: An information processing apparatus of this invention can accommodate a portable device in a detachable way, and can detect accommodation/removal of the portable device, and can read ID information transmitted from the portable device. Therefore, according to this invention, for example, making feasible an access to a security system and a host computer via a same portable device can be achieved, and an individual of the trouble of carrying too many portable devices can be relieved thereby.Type: ApplicationFiled: May 18, 1999Publication date: November 14, 2002Inventor: TOSHIAKI ITAZAWA
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Patent number: 6216989Abstract: A support structure for a body to be supported, such as a display unit, includes a support base, a stand support held upright by the support base, and an attachment member for attaching a body to be supported thereto laterally held by the stand support. The stand support and the attachment member may be coupled to each other in an electrically insulated state. The body to be supported may be mounted on the attachment member via a tilting mechanism for holding the support body at an arbitrarily vertically tilted angle from a home position.Type: GrantFiled: March 22, 1996Date of Patent: April 17, 2001Assignee: Canon Kabushiki KaishaInventors: Yasushi Shioya, Osamu Hoshino, Takao Miyamoto, Akio Yoshida, Hiroshi Takabayashi, Toyohide Miyazaki, Toshiaki Itazawa, Takashi Yamamoto
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Patent number: 6020867Abstract: A display apparatus includes a display unit for displaying images, a backlight unit disposed behind the display unit for illuminating the display unit, an inverter unit for electrically controlling the backlight unit, a controller unit for controlling the inverter unit and the display unit, and a power supply unit having an exothermic heat distribution for supplying electricity to the inverter unit and the controller unit. The inverter unit and controller unit are disposed behind the backlight unit and the power supply unit is disposed on a side of the display unit, backlight unit, inverter unit and controller unit. The display unit, backlight unit, inverter unit, controller unit and power supply unit are disposed in a common housing. The inverter unit and the controller unit are arranged behind the backlight unit.Type: GrantFiled: March 22, 1996Date of Patent: February 1, 2000Assignee: Canon Kabushiki KaishaInventors: Tetsuya Shimada, Katsumi Kurematsu, Hiroshi Takabayashi, Shigeki Yabu, Makoto Uehara, Toshiaki Itazawa, Yasushi Maeda, Masanori Takahashi, Yoshihiro Onitsuka, Kumiharu Takai, Osamu Yuki
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Patent number: 5719752Abstract: A liquid crystal apparatus is constituted by a display device for data display, a drive circuit unit for driving the display device, a unit substrate for supplying electric signals to the drive circuit unit, and a tape-form film carrier comprising an insulating substrate and a conductor covered with the insulating substrate for connecting the display device, the drive circuit unit and the unit substrate. A part of the film carrier is provided with a blank portion where the insulating substrate is locally removed to absorb a stress applied to the film carrier. A unit substrate constituting the drive circuit unit is screwed to a supporting member so as to allow a movement thereof relative to the supporting member by use of a space regulating means surrounding the screw shank.Type: GrantFiled: February 5, 1996Date of Patent: February 17, 1998Assignee: Canon Kabushiki KaishaInventors: Hideo Mori, Hisao Tajima, Hiroshi Takabayashi, Toshiaki Itazawa, Masanori Takahashi, Kenji Niibori
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Patent number: 5659376Abstract: A liquid crystal display apparatus is constituted by: a housing; a liquid crystal panel comprising a liquid crystal disposed between a pair of substrates each provided with electrodes, the liquid crystal panel being affixed to the housing; and a backlight for illuminating the liquid crystal panel, detachably affixed to the housing. A light-transmissive plate, such as a diffusion plate, allowing transmission of light from the backlight is further disposed between the liquid crystal panel and the backlight so as to define an almost closed first space in cooperation with the liquid crystal panel, whereby the first space retaina its almost closed state even when the backlight is detached from the housing.Type: GrantFiled: August 10, 1994Date of Patent: August 19, 1997Assignee: Canon Kabushiki KaishaInventors: Makoto Uehara, Hidetarou Tsuchiya, Hisao Tajima, Hiroyuki Yokomizo, Hiroshi Takabayashi, Shigeki Yabu, Toshiaki Itazawa, Mitsuo Iwayama, Yoshihiro Onitsuka, Yasushi Shioya
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Patent number: 5631756Abstract: A display apparatus includes a display cell having a plurality of electrodes, a cell-supporting member for supporting the display cell, and a circuit substrate connected to the display cell for driving the display cell. The circuit substrate is supported for limited movement; relative to the cell-supporting member by a holding plate. The holding plate may preferably be composed of a plate spring for pressing the circuit substrate against the cell-supporting member.Type: GrantFiled: February 17, 1995Date of Patent: May 20, 1997Assignee: Canon Kabushiki KaishaInventor: Toshiaki Itazawa
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Patent number: 5583681Abstract: A liquid crystal apparatus includes: a liquid crystal panel, an illumination means for illuminating the liquid crystal panel, a supporting means for supporting the liquid crystal panel and a housing for housing the above members. The liquid crystal panel and the supporting means are arranged so as to define an almost closed space functioning as an air damper to suppress deformation caused by an externally applied force owing to elasticity of air within the almost closed space. The supporting means includes a unit-supporting portion for supporting the illumination means, the unit-supporting portion being provided with a cutout at a part thereof for promoting discharge of heat evolved from the illumination means, and, the illumination means is supported by the unit-supporting portion so as to stop up the cutout of the unit-supporting portion, thus retaining the almost closed space.Type: GrantFiled: November 12, 1993Date of Patent: December 10, 1996Assignee: Canon Kabushiki KaishaInventors: Yasushi Shioya, Hisao Tajima, Hiroshi Takabayashi, Toshiaki Itazawa, Masanori Takahashi, Kenji Niibori
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Patent number: 5517208Abstract: A liquid crystal apparatus is constituted by a display device for data display, a drive circuit unit for driving the display device, a unit substrate for supplying electric signals to the drive circuit unit, and a tape-form film carrier comprising an insulating substrate and a conductor covered with the insulating substrate for connecting the display device, the drive circuit unit and the unit substrate. A part of the film carrier is provided with a blank portion where the insulating substrate is locally removed to absorb a stress applied to the film carrier. A unit substrate constituting the drive circuit unit is screwed to a supporting member so as to allow a movement thereof relative to the supporting member by use of a space regulating means surrounding the screw shank.Type: GrantFiled: September 5, 1995Date of Patent: May 14, 1996Assignee: Canon Kabushiki KaishaInventors: Hideo Mori, Hisao Tajima, Hiroshi Takabayashi, Toshiaki Itazawa, Masanori Takahashi, Kenji Niibori
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Patent number: D292806Type: GrantFiled: June 17, 1985Date of Patent: November 17, 1987Assignee: Canon Kabushiki KaishaInventors: Seiichi Omino, Toshiaki Itazawa
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Patent number: D295288Type: GrantFiled: July 22, 1985Date of Patent: April 19, 1988Assignee: Canon Kabushiki KaishaInventors: Seiichi Omino, Toshiaki Itazawa