Patents by Inventor Kyoji Kasuga
Kyoji Kasuga 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: 9804354Abstract: A part (91, 92) of a lower plate spring (9) of a lens driving device (1) includes a base-fixed section (911, 921) fixed to a base (11), a lens holder fixing section (912, 922) fixed to a lens holder (8), and an arm section (913, 923) connecting the base-fixed section (911, 921) and the lens holder fixing section (912, 922) to each other, the base-fixed section (911, 921) including a terminal connection section (911b, 921b) near which an elastic section (911c, 921c) is provided.Type: GrantFiled: October 1, 2013Date of Patent: October 31, 2017Assignee: Sharp Kabushiki KaishaInventor: Kyoji Kasuga
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Publication number: 20170285336Abstract: In a camera module (51), a lid glass (15) protrudes from a sensor cover (14) toward an image pickup lens (1), and a base section (9) includes an overhanging part (9b) overhanging in such a manner as to cover part of the lid glass (15).Type: ApplicationFiled: June 21, 2017Publication date: October 5, 2017Inventor: Kyoji Kasuga
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Patent number: 9759887Abstract: According to a camera module (1), a lens barrel (2) and a lens holder (8) adhere to each other via an adhesive layer (12), and the lens barrel (2) has a recess (2a) having a bottom surface (2a3) that is located between an upper side surface (8a1) and a lower side surface (8a2) of a groove (8a).Type: GrantFiled: December 9, 2013Date of Patent: September 12, 2017Assignee: Sharp Kabushiki KaishaInventor: Kyoji Kasuga
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Patent number: 9733473Abstract: In a camera module (51), a lid glass (15) protrudes from a sensor cover (14) toward an image pickup lens (1), and a base section (9) includes an overhanging part (9b) overhanging in such a manner as to cover part of the lid glass (15).Type: GrantFiled: December 29, 2016Date of Patent: August 15, 2017Assignee: Sharp Kabushiki KaishaInventor: Kyoji Kasuga
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Publication number: 20170108695Abstract: In a camera module (51), a lid glass (15) protrudes from a sensor cover (14) toward an image pickup lens (1), and a base section (9) includes an overhanging part (9b) overhanging in such a manner as to cover part of the lid glass (15).Type: ApplicationFiled: December 29, 2016Publication date: April 20, 2017Inventor: Kyoji Kasuga
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Patent number: 9547153Abstract: In a camera module (51), a lid glass (15) protrudes from a sensor cover (14) toward an image pickup lens (1), and a base section (9) includes an overhanging part (9b) overhanging in such a manner as to cover part of the lid glass (15).Type: GrantFiled: February 26, 2015Date of Patent: January 17, 2017Assignee: Sharp Kabushiki KaishaInventor: Kyoji Kasuga
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Publication number: 20150370034Abstract: According to a camera module (1), a lens barrel (2) and a lens holder (8) adhere to each other via an adhesive layer (12), and the lens barrel (2) has a recess (2a) having a bottom surface (2a3) that is located between an upper side surface (8a1) and a lower side surface (8a2) of a groove (8a).Type: ApplicationFiled: December 9, 2013Publication date: December 24, 2015Inventor: Kyoji KASUGA
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Publication number: 20150355432Abstract: A part (91, 92) of a lower plate spring (9) of a lens driving device (1) includes a base-fixed section (911, 921) fixed to a base (11), a lens holder fixing section (912, 922) fixed to a lens holder (8), and an arm section (913, 923) connecting the base-fixed section (911, 921) and the lens holder fixing section (912, 922) to each other, the base-fixed section (911, 921) including a terminal connection section (911b, 921b) near which an elastic section (911c, 921c) is provided.Type: ApplicationFiled: October 1, 2013Publication date: December 10, 2015Inventor: Kyoji KASUGA
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Publication number: 20150168685Abstract: In a camera module (51), a lid glass (15) protrudes from a sensor cover (14) toward an image pickup lens (1), and a base section (9) includes an overhanging part (9b) overhanging in such a manner as to cover part of the lid glass (15).Type: ApplicationFiled: February 26, 2015Publication date: June 18, 2015Inventor: Kyoji Kasuga
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Patent number: 9046678Abstract: In a camera module (51), a lid glass (15) protrudes from a sensor cover (14) toward an image pickup lens (1), and a base section (9) includes an overhanging part (9b) overhanging in such a manner as to cover part of the lid glass (15).Type: GrantFiled: July 24, 2012Date of Patent: June 2, 2015Assignee: Sharp Kabushiki KaishaInventor: Kyoji Kasuga
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Publication number: 20130027602Abstract: In a camera module (51), a lid glass (15) protrudes from a sensor cover (14) toward an image pickup lens (1), and a base section (9) includes an overhanging part (9b) overhanging in such a manner as to cover part of the lid glass (15).Type: ApplicationFiled: July 24, 2012Publication date: January 31, 2013Applicant: Sharp Kabushiki KaishaInventor: Kyoji Kasuga
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Patent number: 8102752Abstract: An optical head comprises a laser holder retaining a laser diode, and a holder support retaining the laser holder, and irradiates an information storage medium with laser light from the laser diode to perform recording/reproduction of information. In this optical head, the laser holder is a frame structure that fixes the laser diode, having an abutment portion protruding from a base side of the frame structure. Also, the holder support has a receiving surface that supports by abutment the abutment portion, and a through-hole that lets pass the laser light. The receiving surface is a plane approximately perpendicular to an optical axis of the optical head, the abutment portion being made as an arc surface having a central axis that passes through an emission point of the laser diode and is perpendicular to the optical axis.Type: GrantFiled: June 27, 2006Date of Patent: January 24, 2012Assignee: Sharp Kabushiki KaishaInventors: Kyoji Kasuga, Akiho Yoshizawa
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Patent number: 8094391Abstract: A driving device includes: a bending displacement member (1A), partially fixed, which is excited by electrical control to be bent and displaced; a bending displacement member (1B), partially fixed, which is excited by electrical control to be bent and displaced; an elastic member (2) joined to the bending displacement members (1A, 1B); a friction member (3), joined to the elastic member (2), which is capable of partially making contact with a body tube (4); and a camera module housing (6) capable of housing the bending displacement members (1A, 1B), the elastic member (2), and the body tube (4). The bending displacement members (1A, 1B) may be disposed along an inner wall of the camera module housing (6). The driving device may also include control means for exciting the bending displacement members (1A, 1B).Type: GrantFiled: February 6, 2008Date of Patent: January 10, 2012Assignee: Sharp Kabushiki KaishaInventors: Tsuneo Fujiwara, Kyoji Kasuga, Tomohiro Egawa
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Publication number: 20100149665Abstract: In order to achieve a low-profile driving device, the driving device includes: a bending displacement member (1A), partially fixed, which is excited by electrical control to be bent and displaced; a bending displacement member (1B), partially fixed, which is excited by electrical control to be bent and displaced; an elastic member (2) joined to the bending displacement members (1A, 1B); a friction member (3), joined to the elastic member (2), which is capable of partially making contact with a body tube (4); and a camera module housing (6) capable of housing the bending displacement members (1A, 1B), the elastic member (2), and the body tube (4). The bending displacement members (1A, 1B) are disposed along an inner wall of the camera module housing (6).Type: ApplicationFiled: February 6, 2008Publication date: June 17, 2010Applicant: Sharp Kabushiki KaishaInventors: Tsuneo Fujiwara, Kyoji Kasuga, Tomohiro Egawa
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Patent number: 7461388Abstract: An optical disk device including a tray in which recording mediums having differing outer diameters can be selectively mounted. The tray carries the recording media into the main body of the optical disk device wherein it is, chucked by a turntable. Holding members for holding the recording medium at a predetermined position relative to a mounting face of the tray are provided in a front portion and a rear portion respectively relative to the transport direction of the tray. At least one of the holding members is movable between a first holding position for holding a small diameter recording medium, and a second holding position for holding a large diameter recording medium. The holding member is biased toward the first holding position by a biasing member.Type: GrantFiled: September 12, 2005Date of Patent: December 2, 2008Assignee: Sharp Kabushiki KaishaInventor: Kyoji Kasuga
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Publication number: 20080285163Abstract: An actuator of the present invention includes a holder 8 for holding a lens 13; an upper guide 3 and a base 9 for supporting the holder 8 so that the holder 8 can move in the optical axis direction of the lens 13; and spherical bodies 2, disposed in spaces between the holder and the upper guide 3 and between the holder 8 and the base 9, which are able to rotate in the spaces, respectively, the upper guide 3 and the base 9 supporting the holder 8 via the spherical bodies 2. This makes it possible to provide a compact and slim actuator excellent in impact resistance.Type: ApplicationFiled: May 15, 2008Publication date: November 20, 2008Applicant: Sharp Kabushiki KaishaInventors: Kyoji Kasuga, Seiichi Nagatome
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Mounting mechanism for mounting a cartridge or an optical disc to the tray of an optical disc device
Patent number: 7424726Abstract: An optical disc device is provided with a tray for mounting a disc or a cartridge thereon, a chassis that is laid out under the tray, and a top plate that is laid out above the tray. The optical disc device comprises two types of holding mechanisms that form either a single disc mounting space or a cartridge mounting space according to a shape of a single disc or a cartridge to be mounted in the tray, and hold the single disc or the cartridge in the respective mounting space.Type: GrantFiled: April 28, 2004Date of Patent: September 9, 2008Assignee: Sharp Kabushiki KaishaInventor: Kyoji Kasuga -
Publication number: 20070286037Abstract: A light source, an objective lens which concentrates light from the light source onto an information recording surface of an information storage medium, and a spherical aberration correction mechanism provided on a light path between the light source of the objective lens are provided. The spherical aberration correction mechanism includes a piezoelectric element for moving a coupling lens, a photo interrupter which detects whether the coupling lens has been moved to an initial position, and a spherical aberration correction element control circuit which moves the coupling lens, which has been moved to the initial position, to one of first to n-th (n is an integer not less than 2) positions where light is concentrated onto an information recording surface of one of first to n-th layer of the information storage medium, the distances between the initial position to the respective first to n-th positions having been determined in advance.Type: ApplicationFiled: June 6, 2007Publication date: December 13, 2007Applicant: Sharp Kabushiki KaishaInventors: Osamu Miyazaki, Nobumasa Ono, Kyoji Kasuga
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Publication number: 20070101346Abstract: An optical disc device is provided with a tray for mounting a disc or a cartridge thereon, a chassis that is laid out under the tray, and a top plate that is laid out above the tray. The optical disc device comprises two types of holding mechanisms that form either a single disc mounting space or a cartridge mounting space according to a shape of a single disc or a cartridge to be mounted in the tray, and hold the single disc or the cartridge in the respective mounting space.Type: ApplicationFiled: April 28, 2004Publication date: May 3, 2007Applicant: Sharp Kabushiki KaishaInventor: Kyoji Kasuga
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Publication number: 20070014204Abstract: An optical head comprises a laser holder retaining a laser diode, and a holder support retaining the laser holder, and irradiates an information storage medium with laser light from the laser diode to perform recording/reproduction of information. In this optical head, the laser holder is a frame structure that fixes the laser diode, having an abutment portion protruding from a base side of the frame structure. Also, the holder support has a receiving surface that supports by abutment the abutment portion, and a through-hole that lets pass the laser light. The receiving surface is a plane approximately perpendicular to an optical axis of the optical head, the abutment portion being made as an arc surface having a central axis that passes through an emission point of the laser diode and is perpendicular to the optical axis.Type: ApplicationFiled: June 27, 2006Publication date: January 18, 2007Applicant: Sharp Kabushiki KaishaInventors: Kyoji Kasuga, Akiho Yoshizawa