Patents by Inventor Toshio Mamiya
Toshio Mamiya 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: 20090009471Abstract: An input apparatus outputting input information for controlling a movement of a user interface displayed on a screen is provided. The input apparatus includes: an angular velocity output unit for outputting a first angular velocity about a first axis, a second angular velocity about a second axis. A third angular velocity about a third axis; a combination calculates unit calculating a first combined angular velocity as a combination result of two angular velocities obtained by respectively multiplying the second and third angular velocities by two migration coefficients of a predetermined ratio. An output unit outputs, as the input information, information on the first angular velocity for controlling a movement of the user interface on the screen in an axial direction corresponding to the second axis and information on the first combined angular velocity for controlling the movement of the user interface on the screen in an axial direction corresponding to the first axis.Type: ApplicationFiled: July 2, 2008Publication date: January 8, 2009Applicant: SONY CORPORATIONInventors: Kazuyuki Yamamoto, Toshio Mamiya, Hidetoshi Kabasawa, Katsuhiko Yamada, Hideaki Kumagai
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Publication number: 20080263574Abstract: An information processing device is provided. The device includes an upper enclosure; a lower enclosure which supports the upper enclosure with a varied attitude and on which the upper enclosure may be superposed; a disk drive device stored in the upper or lower enclosure and having a disk mounting part on which a disk-shaped recording medium is detachably mounted; and an enclosure moving mechanism setting a disk storage region to have a first thickness with the upper enclosure allowed to have a distance from the lower enclosure when the disk drive device is used and setting the disk storage region to have a second thickness smaller than the first thickness with the upper enclosure allowed to come close to the lower enclosure to reduce the disk storage region when the disk drive device is not used.Type: ApplicationFiled: April 9, 2008Publication date: October 23, 2008Applicant: Sony CorporationInventors: Kazuyuki Yamamoto, Toshio Mamiya, Hidetoshi Kabasawa, Katsuhiko Yamada, Takashi Yamada, Hideaki Kumagai
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Publication number: 20070277186Abstract: Disclosed is a disk drive apparatus including a chassis having a disk insertion slot through which a disk-type recording medium is inserted and/or ejected; a disk transfer mechanism by which the disk-type recording medium is transferred between a disk ejection position and a disk loading position. The apparatus further includes a rotational drive mechanism including a disk loading portion; an optical pickup configured to record and/or reproduce an information signal on the disk-type recording medium; a pickup movement mechanism by which the optical pickup is moved along an information recording surface of the disk-type recording medium. The apparatus still further includes a base member with the rotational drive mechanism, the optical pickup and the pickup movement mechanism; and a base movement mechanism; and an attitude adjustment mechanism.Type: ApplicationFiled: May 14, 2007Publication date: November 29, 2007Applicant: Sony CorporationInventors: Takashi Yamada, Hideaki Kumagai, Katsuhiko Yamada, Kazuyuki Yamamoto, Hidetoshi Kabasawa, Toshio Mamiya
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Publication number: 20070101347Abstract: A disk drive device includes a housing having a front side with a slot through which a disk-shaped recording medium is inserted and ejected, a pickup unit including a mount on which the recording medium is mounted, a rotating mechanism that rotates the recording medium on the mount, a pickup mechanism that reproduces a signal recorded on the recording medium, a pickup-moving mechanism that moves the pickup mechanism in a radial direction of the recording medium, and a base plate that has a protruding surface guiding the recording medium toward the mount and on which the mount, the rotating mechanism, the pickup mechanism, and the pickup-moving mechanism are integrated, and a conveying mechanism that conveys the recording medium between the slot and the mount.Type: ApplicationFiled: April 18, 2006Publication date: May 3, 2007Applicant: Sony CorporationInventors: Takashi Yamada, Hideaki Kumagai, Kazuyuki Yamamoto, Toshio Mamiya
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Patent number: 7164559Abstract: A head actuator is made thinner without sacrificing its strength to thereby achieve the thinning of a hard disk apparatus. On the base end of each of two suspensions is provided a boss that protrudes in the direction of the side on which a magnetic head is provided, and a suspension fixing section having a hole into which the bosses are inserted is formed towards the tip of an arm. The boss of one of the suspensions is inserted into the hole from the upper end section thereof, and the boss of the other suspension is inserted into the hole from the lower end section thereof. Thus, the arm is fixed in place by being held by the two suspensions from above and below.Type: GrantFiled: October 15, 2003Date of Patent: January 16, 2007Assignee: Sony CorporationInventors: Kazuyuki Yamamoto, Takashi Yamada, Masami Miike, Kazutoshi Yamamoto, Toshio Mamiya
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Publication number: 20060250715Abstract: A disk drive device includes a housing having a slot through which a disk-shaped recording medium having a recording surface is inserted and ejected, a mount that is disposed in the housing and on which the recording medium inserted through the slot is mounted, and a conveying mechanism including an arm unit that extends and retracts along a plane substantially parallel to the recording surface of the recording medium to convey the recording medium between the slot and the mount while holding a peripheral portion of the recording medium and a restricting unit that restricts the movement of the arm unit.Type: ApplicationFiled: April 18, 2006Publication date: November 9, 2006Applicant: Sony CorporationInventors: Kazuyuki Yamamoto, Toshio Mamiya, Takashi Yamada, Hideaki Kumagai
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Publication number: 20060245313Abstract: There is provided a disc drive adopting a slot-in loading by which an optical disc (2) is loaded into or ejected out of the device body through a disc slot. The disc drive can have loaded therein a large-diameter optical disc (2A) and small-diameter optical disc (2B), different in outside diameter from each other. With the small-diameter optical disc being set on a turntable (23a), an objective lens (25a) is retreated in a direction away from the signal recording surface of the small-diameter optical disc when a pickup moving mechanism (26) moves an optical pickup (25) between the outer and inner radii of the small-diameter optical disc.Type: ApplicationFiled: June 1, 2005Publication date: November 2, 2006Applicant: Sony CorporationInventors: Takashi Yamada, Kazuyuki Yamamoto, Hideaki Kumagai, Toshio Mamiya
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Patent number: 6982851Abstract: A flying head slider that keeps out dust particles while improving the CFH characteristics, skew dependence characteristics, and linear speed dependence characteristics for achieving a stable fly height. A flying head slider includes a positive pressure generating surface, which includes a leading pad for ensuring pitch stiffness; a pair of side pads, which are positioned behind of the leading pad and to the right and the left for ensuring roll stiffness; and a center pad, which is positioned between the side pads and controls the fly height characteristics. Furthermore, the flying head slider includes steps, which are at a lower height than the positive pressure generating surfaces and extend from the front of the slider toward side edges thereof in order to prevent dust particles from entering an area between the flying head slider and a disk surface.Type: GrantFiled: October 22, 2003Date of Patent: January 3, 2006Assignee: Sony CorporationInventors: Kazuyuki Yamamoto, Kazutoshi Yamamoto, Koji Fukumoto, Toshio Mamiya
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Publication number: 20050198656Abstract: Disclosed is an ultra-thin slot-in disc drive device capable of coping with discs with different outer diameters. The outer rim of a disc 2, inserted via a disc inserting/ejecting opening 19, is held in-between a pair of rotational arms 35, 36, rotationally driven between the major surface of the device facing a disc loading unit 23 and the major surface of the disc 2 inserted via the disc inserting/ejecting opening 19. In this state, the loading operation of retracting the disc 2 via the disc inserting/ejecting opening 19 into the inside of the casing 3, the centering operation of setting the disc 2 in the disc loading unit 23 and the ejecting operation of ejecting the disc 2 through the disc inserting/ejecting opening 19 to outside the casing 3, are carried out.Type: ApplicationFiled: December 1, 2004Publication date: September 8, 2005Applicant: Sony CorporationInventors: Kazuyuki Yamamoto, Hideaki Kumagai, Takashi Yamada, Toshio Mamiya, Takashi Aoyama
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Patent number: 6836040Abstract: A spindle motor using a hydraulic bearing is provided, wherein an R-face or C-face is formed on each of upper and lower edges of an outer periphery of a rotating disk portion rotatable integrally with a spindle, and the R-face or C-face is formed into a mirror-finished surface having a surface roughness of 0.3 s or less in Ra, preferably, 0.1 s or less in Ra. Alternatively, a recess may be formed in a portion, facing to each of the upper and lower edges of the outer periphery of the rotating disk portion, of an inner wall surface of the hydraulic bearing. Such a spindle motor provides a disk drive capable of suppressing a variation in rotational speed of the spindle motor caused by tilting of the spindle due to vibration and impact, thereby ensuring a stable recording or reproducing operation.Type: GrantFiled: May 16, 2002Date of Patent: December 28, 2004Assignee: Sony CorporationInventors: Minoru Watanabe, Toshio Mamiya, Takashi Yamada, Kazuyuki Yamamoto
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Publication number: 20040114277Abstract: A head actuator is made thinner without sacrificing its strength to thereby achieve the thinning of a hard disk apparatus. On the base end of each of two suspensions is provided a boss that protrudes in the direction of the side on which a magnetic head is provided, and a suspension fixing section having a hole into which the bosses are inserted is formed towards the tip of an arm. The boss of one of the suspensions is inserted into the hole from the upper end section thereof, and the boss of the other suspension is inserted into the hole from the lower end section thereof. Thus, the arm is fixed in place by being held by the two suspensions from above and below.Type: ApplicationFiled: October 15, 2003Publication date: June 17, 2004Inventors: Kazuyuki Yamamoto, Takashi Yamada, Masami Miiki, Kazutoshi Yamamoto, Toshio Mamiya
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Publication number: 20040090708Abstract: A flying head slider that keeps out dust particles while improving the CFH characteristics, skew dependence characteristics, and linear speed dependence characteristics for achieving a stable fly height. A flying head slider includes a positive pressure generating surface, which includes a leading pad for ensuring pitch stiffness; a pair of side pads, which are positioned behind of the leading pad and to the right and the left for ensuring roll stiffness; and a center pad, which is positioned between the side pads and controls the fly height characteristics. Furthermore, the flying head slider includes steps, which are at a lower height than the positive pressure generating surfaces and extend from the front of the slider toward side edges thereof in order to prevent dust particles from entering an area between the flying head slider and a disk surface.Type: ApplicationFiled: October 22, 2003Publication date: May 13, 2004Inventors: Kazuyuki Yamamoto, Kazutoshi Yamamoto, Koji Fukumoto, Toshio Mamiya
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Publication number: 20040021987Abstract: Disclosed herein is a flying head slider having an air bearing surface forming portion opposed to a recording medium and adapted to receive a buoyancy produced by air bearing due to a dynamic pressure between the air bearing surface forming portion and a recording surface of the recording medium. The flying head slider includes a head for recording and/or reproducing information, a head mounting portion formed on the air bearing surface forming portion for mounting the head, and a projection of diamond-like carbon provided on the head mounting portion at the upstream side of air flow, which is along the slider, on said head. By providing the projection at the upstream side of air flow on the head, the penetration and deposition of any disturbance such as lubricant and dust to the head can be minimized to thereby prevent damage to the head. Accordingly, the operation reliability of the slider can be improved.Type: ApplicationFiled: March 25, 2003Publication date: February 5, 2004Applicant: Sony CorporationInventors: Michio Yotsuya, Toshio Mamiya, Kazushige Kawazoe, Koji Fukumoto, Kazuyuki Yamamoto
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Publication number: 20030214756Abstract: A flying head slider is disclosed which can fly stably above the surface of a recording medium and thereby prevent deterioration of a reproduction signal output of the head. The flying head slider has a head for recording and reproducing information onto and from a recording medium and has an air bearing portion at an opposing portion thereof which opposes to the recording medium. The flying head slider is acted upon by buoyancy by air bearing caused by dynamic pressure between the air bearing portion and a surface of the recording medium. The flying head slider is disposed with respect to the recording medium such that, within a flying region of the flying head slider in a radial direction of the information recording medium between an inner circumference position and an outer circumference position of the surface of the recording medium, a flying pitch angle equal to or greater than 120 &mgr;rad is formed between the air bearing portion and the surface of the recording medium.Type: ApplicationFiled: April 7, 2003Publication date: November 20, 2003Applicant: Sony CorporationInventors: Kazuyuki Yamamoto, Michio Yotsuya, Koji Fukumoto, Kazushige Kawazoe, Toshio Mamiya
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Patent number: 6633529Abstract: A disk drive preventing entry of air containing dust into a cartridge when a rotation table enters from an opening formed in a bottom surface of the cartridge and makes a disk-shaped recording medium rotate includes a carrier in which a cartridge accommodating a hard disk is loaded, a rotation table which enters from a disk drive opening in the bottom surface of the cartridge, clamps and makes the disk rotate when the cartridge is loaded in the carrier, and a sealing member which is attached to the carrier and which is formed with a lip in press-contact with the bottom surface of the cartridge so as to surround the disk drive opening when the cartridge is loaded in the carrier. The sealing member includes through holes through which height positioning projections penetrate to attach the sealing member to the carrier.Type: GrantFiled: June 29, 2000Date of Patent: October 14, 2003Assignee: Sony CorporationInventors: Takashi Yamada, Kazuyuki Yamamoto, Yotaro Sanada, Kazuo Takahashi, Toshio Mamiya
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Patent number: 6563672Abstract: A disk cartridge permits improved efficiency of airflow circulation in a disk accommodation chamber and improved efficiency of dust collection, and also allows the spring force of a shutter spring to be reduced. In a cartridge main body of the disk cartridge, a spring accommodation chamber is formed outside a disk accommodation chamber. The spring accommodation chamber is separated by upper and lower partitions of upper and lower halves so that it is discrete and independent from the disk accommodation chamber. An elastic member installed in the spring accommodation chamber is used to rotatably drive a shutter opening and closing arm in the direction for closing.Type: GrantFiled: February 6, 2001Date of Patent: May 13, 2003Assignee: Sony CorporationInventors: Kazuyuki Yamamoto, Kazuo Takahashi, Toshio Mamiya, Takashi Yamada
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Patent number: 6556373Abstract: A disk storage apparatus has a magnetic head (8) that is completely retracted outside of a disk cartridge, except upon a reading/writing operation. The magnetic head (8) is inserted into the disk cartridge (16) only upon the reading/writing operation. The disk storage apparatus can completely retract a rotation actuator to an outside of a disk cartridge. The disk storage apparatus can be reliably and stably operated and has a reduced overall thickness.Type: GrantFiled: August 26, 1997Date of Patent: April 29, 2003Assignee: Sony CorporationInventors: Toshio Mamiya, Takashi Yamada, Kazuyuki Yamamoto, Kazuo Takahashi, Eiji Oshima
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Publication number: 20020190590Abstract: A spindle motor using a hydraulic bearing is provided, wherein an R-face or C-face is formed on each of upper and lower edges of an outer periphery of a rotating disk portion rotatable integrally with a spindle, and the R-face or C-face is formed into a mirror-finished surface having a surface roughness of 0.3 s or less in Ra, preferably, 0.1 s or less in Ra. Alternatively, a recess may be formed in a portion, facing to each of the upper and lower edges of the outer periphery of the rotating disk portion, of an inner wall surface of the hydraulic bearing. Such a spindle motor provides a disk drive capable of suppressing a variation in rotational speed of the spindle motor caused by tilting of the spindle due to vibration and impact, thereby ensuring a stable recording or reproducing operation.Type: ApplicationFiled: May 16, 2002Publication date: December 19, 2002Inventors: Minoru Watanabe, Toshio Mamiya, Takashi Yamada, Kazuyuki Yamamoto
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Patent number: 6490124Abstract: To perform a high dustproof when a disk drive apparatus records and/or reproduces information signals on a disk shape recording medium, which is stored rotatably within a disk cartridge. The present invention provides a disk drive apparatus for recording and/or reproducing information signals on a disk shape recording medium, which is stored rotatably within a disk cartridge comprising a case having a cartridge storing space in which the disk cartridge is inserted, rotatably driving means for holding the disk shape recording medium, which is stored within the disk cartridge, which is inserted in the cartridge storing space and for rotatably driving the disk shape recording medium, shielding means for defining a shielded space by covering a surrounding area of the rotatably driving means for holding the disk shape recording medium and a filter for removing a dust or the like inside of the cartridge storing space. The shielded space and the cartridge storing space communicate each other via said filter.Type: GrantFiled: July 12, 2000Date of Patent: December 3, 2002Assignee: Sony CorporationInventors: Kazuyuki Yamamoto, Kazuo Takahashi, Toshio Mamiya, Takashi Yamada, Yotaro Sanada
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Patent number: 6480360Abstract: In a removable disk storage apparatus, a reading/writing head can be stably and reliably moved so as to correspond to an information recording medium. A rotation supporting member for supporting the reading/writing head is formed of a rotary arm and an elastic supporting member fitted to a tip end portion of the rotary arm for supporting the reading/writing head. The rotary arm member is formed by bending it so that it should be dogleg-shaped. The elastic supporting body is fixed on a tip end portion of a bent portion thereof in the extended direction in which the elastic supporting body is bent. The rotary arm is inserted into a disk cartridge substantially straight with its tip end being faced to the disk cartridge, and then supported by a ramp on a center line thereof.Type: GrantFiled: October 27, 2000Date of Patent: November 12, 2002Assignee: Sony CorporationInventors: Kazuyuki Yamamoto, Toshio Mamiya, Takashi Yamada, Kazuo Takahashi, Eiji Oshima