Patents by Inventor Masashi Ohkubo
Masashi Ohkubo 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: 9658067Abstract: A velocity calculation device includes: a vertical direction acceleration detection portion that is mounted on a vehicle and detects an acceleration in a vertical direction generated correspondingly to undulation of a road surface; a horizontal direction angular velocity detection portion that is mounted on the vehicle and detects an angular velocity about a horizontal axis orthogonal to a travel direction of the vehicle generated correspondingly to the undulation of the road surface; and a velocity calculation portion that calculates a velocity in the travel direction of the vehicle on the basis of the acceleration in the vertical direction and the angular velocity about the horizontal axis.Type: GrantFiled: June 28, 2016Date of Patent: May 23, 2017Assignee: Sony CorporationInventor: Masashi Ohkubo
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Patent number: 9513124Abstract: A velocity calculation device includes: a vertical direction acceleration detection portion that is mounted on a vehicle and detects an acceleration in a vertical direction generated correspondingly to undulation of a road surface; a horizontal direction angular velocity detection portion that is mounted on the vehicle and detects an angular velocity about a horizontal axis orthogonal to a travel direction of the vehicle generated correspondingly to the undulation of the road surface; and a velocity calculation portion that calculates a velocity in the travel direction of the vehicle on the basis of the acceleration in the vertical direction and the angular velocity about the horizontal axis.Type: GrantFiled: February 25, 2015Date of Patent: December 6, 2016Assignee: Sony CorporationInventor: Masashi Ohkubo
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Publication number: 20160305783Abstract: A velocity calculation device includes: a vertical direction acceleration detection portion that is mounted on a vehicle and detects an acceleration in a vertical direction generated correspondingly to undulation of a road surface; a horizontal direction angular velocity detection portion that is mounted on the vehicle and detects an angular velocity about a horizontal axis orthogonal to a travel direction of the vehicle generated correspondingly to the undulation of the road surface; and a velocity calculation portion that calculates a velocity in the travel direction of the vehicle on the basis of the acceleration in the vertical direction and the angular velocity about the horizontal axis.Type: ApplicationFiled: June 28, 2016Publication date: October 20, 2016Applicant: Sony CorporationInventor: Masashi Ohkubo
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Publication number: 20150211860Abstract: A velocity calculation device includes: a vertical direction acceleration detection portion that is mounted on a vehicle and detects an acceleration in a vertical direction generated correspondingly to undulation of a road surface; a horizontal direction angular velocity detection portion that is mounted on the vehicle and detects an angular velocity about a horizontal axis orthogonal to a travel direction of the vehicle generated correspondingly to the undulation of the road surface; and a velocity calculation portion that calculates a velocity in the travel direction of the vehicle on the basis of the acceleration in the vertical direction and the angular velocity about the horizontal axis.Type: ApplicationFiled: February 25, 2015Publication date: July 30, 2015Applicant: SONY CORPORATIONInventor: Masashi Ohkubo
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Patent number: 8989982Abstract: A velocity calculation device includes: a vertical direction acceleration detection portion that is mounted on a vehicle and detects an acceleration in a vertical direction generated correspondingly to undulation of a road surface; a horizontal direction angular velocity detection portion that is mounted on the vehicle and detects an angular velocity about a horizontal axis orthogonal to a travel direction of the vehicle generated correspondingly to the undulation of the road surface; and a velocity calculation portion that calculates a velocity in the travel direction of the vehicle on the basis of the acceleration in the vertical direction and the angular velocity about the horizontal axis.Type: GrantFiled: August 24, 2009Date of Patent: March 24, 2015Assignee: Sony CorporationInventor: Masashi Ohkubo
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Patent number: 8571795Abstract: A navigation apparatus includes: a section that calculates a mobile object's acceleration in the direction of the motion, based on the mobile object's speed calculated from information received from a satellite; a section that calculates lateral acceleration whose direction is perpendicular to the mobile object's motion, based on the mobile object's speed and direction calculated from information received from the satellite; an acceleration sensor that observes motion acceleration of the mobile object and gravity acceleration; a section that calculates an altitude difference of road based on an atmospheric pressure value supplied from a barometric sensor; a section that calculates an inclination angle of the road in the direction of the motion, based on the altitude difference and a travel distance corresponding to the mobile object's speed; and a section that calculates an attachment angle of the acceleration sensor with respect to the mobile object by using a multidimensional function formula.Type: GrantFiled: August 29, 2007Date of Patent: October 29, 2013Assignee: Sony CorporationInventors: Tomohisa Takaoka, Masashi Ohkubo
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Patent number: 8457923Abstract: Provided is a velocity calculating apparatus including: a horizontal-angular-velocity-detecting portion disposed to a main-body portion attached to a movable object moving along a movement plane to detect a horizontal-axis angular velocity around a horizontal axis perpendicular to a moving direction generated according to an inclination angle of the movement plane; a vertical-acceleration-detecting portion disposed to the main-body portion to detect a vertical acceleration generated according to a shape of the movement plane; a time-difference-calculating portion configured to calculate a time difference between characteristic components occurring in the horizontal-axis angular velocity and the vertical acceleration due to a position of the movement plane; and a velocity-calculating portion configured to calculate a time-differential velocity based on a ratio between an installation distance from a position to which the horizontal angular velocity is exerted in the overall movable object to an installation poType: GrantFiled: October 7, 2010Date of Patent: June 4, 2013Assignee: Sony CorporationInventor: Masashi Ohkubo
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Patent number: 8231091Abstract: Provided is a clip that allows two securing members to be firmly joined to each other without requiring a special working process to the applied to either one of the securing members. The clip for securing joining a first securing member to a second securing member comprises a base plate portion formed with a through hole, a first clamping piece extending from the base plate portion in a front side direction, and a second clamping piece extending from a part of the base plate portion intermediate between the first clamping piece and through hole in the front side direction and further extending above the through hole. A threaded member is passed into the through hole from a back side of the base plate portion to fixedly attach the second securing member to the back side of the base plate portion.Type: GrantFiled: August 20, 2008Date of Patent: July 31, 2012Assignees: Honda Motor Co., Ltd., Nifco Inc.Inventors: Ken Shinomiya, Kazuya Handa, Takeshi Ichikawa, Masashi Ohkubo, Motoyuki Momii
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Publication number: 20110136512Abstract: Provided is a velocity calculating apparatus including: a horizontal-angular-velocity-detecting portion disposed to a main-body portion attached to a movable object moving along a movement plane to detect a horizontal-axis angular velocity around a horizontal axis perpendicular to a moving direction generated according to an inclination angle of the movement plane; a vertical-acceleration-detecting portion disposed to the main-body portion to detect a vertical acceleration generated according to a shape of the movement plane; a time-difference-calculating portion configured to calculate a time difference between characteristic components occurring in the horizontal-axis angular velocity and the vertical acceleration due to a position of the movement plane; and a velocity-calculating portion configured to calculate a time-differential velocity based on a ratio between an installation distance from a position to which the horizontal angular velocity is exerted in the overall movable object to an installation poType: ApplicationFiled: October 7, 2010Publication date: June 9, 2011Applicant: Sony CorporationInventor: Masashi OHKUBO
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Publication number: 20110054781Abstract: A velocity calculation device includes a vertical direction acceleration detection unit that is mounted on a mobile object to detect the acceleration of a vertical direction generated corresponding to the unevenness of a surface on which the mobile object moves; a horizontal direction angular velocity detection unit that is mounted on the mobile object to detect the angular velocity around a horizontal axis perpendicular to a direction of travel of the mobile object generated corresponding to the unevenness of the surface on which the mobile object moves; and a velocity calculation unit for calculating the velocity in the direction of travel of the mobile object based on the acceleration of the vertical direction and the angular velocity around the horizontal axis.Type: ApplicationFiled: June 18, 2010Publication date: March 3, 2011Applicant: Sony CorporationInventor: Masashi OHKUBO
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Publication number: 20100252705Abstract: Provided is a clip that allows two securing members to be firmly joined to each other without requiring a special working process to the applied to either one of the securing members. The clip for securing joining a first securing member to a second securing member comprises a base plate portion formed with a through hole, a first clamping piece extending from the base plate portion in a front side direction, and a second clamping piece extending from a part of the base plate portion intermediate between the first clamping piece and through hole in the front side direction and further extending above the through hole. A threaded member is passed into the through hole from a back side of the base plate portion to fixedly attach the second securing member to the back side of the base plate portion.Type: ApplicationFiled: August 20, 2008Publication date: October 7, 2010Inventors: Ken Shinomiya, Kazuya Handa, Takeshi Ichikawa, Masashi Ohkubo, Motoyuki Momii
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Patent number: 7747383Abstract: To accurately detect a zero gravity offset in an acceleration sensor. As an embodiment of the present invention, in the case where position information can be obtained from a GPS processing section, a velocity detecting unit performs an operation according to Expression (15), using real detected acceleration ?Gr that was actually obtained from the acceleration sensor, vehicle acceleration ?P based on the position information, distance Dm, an amount of height change Dh based on pressure PR, and gravity acceleration g. Therefore, offset acceleration ?o can be accurately calculated, and an acceleration detection signal can be converted into detected acceleration ?G with high accuracy, based on a zero gravity offset value Vzgo by that the above offset acceleration ?o was converted.Type: GrantFiled: August 28, 2006Date of Patent: June 29, 2010Assignee: Sony CorporationInventors: Masashi Ohkubo, Tomohisa Takaoka
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Publication number: 20100057360Abstract: A velocity calculation device includes: a vertical direction acceleration detection portion that is mounted on a vehicle and detects an acceleration in a vertical direction generated correspondingly to undulation of a road surface; a horizontal direction angular velocity detection portion that is mounted on the vehicle and detects an angular velocity about a horizontal axis orthogonal to a travel direction of the vehicle generated correspondingly to the undulation of the road surface; and a velocity calculation portion that calculates a velocity in the travel direction of the vehicle on the basis of the acceleration in the vertical direction and the angular velocity about the horizontal axis.Type: ApplicationFiled: August 24, 2009Publication date: March 4, 2010Applicant: Sony CorporationInventor: Masashi Ohkubo
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Patent number: 7505865Abstract: As an embodiment of the present invention, in a navigation system using an acceleration sensor, when position information cannot be obtained from a GPS processing section, a velocity detecting unit performs an operation using detected acceleration ?G, a measurement time mt, a velocity V0 at a time t0, gravity acceleration g and an amount of height change Dh, according to Expression (11). By using the relationship among a gravity acceleration component gf, the gravity acceleration g, the amount of height change Dh and distance Dm shown in Expression (4), the gravity acceleration component gf can be offset by the amount of height change Dh. Therefore, velocity V can be calculated with high accuracy without receiving the effect of the gravity acceleration component gf.Type: GrantFiled: August 28, 2006Date of Patent: March 17, 2009Assignee: Sony CorporationInventors: Masashi Ohkubo, Tomohisa Takaoka
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Publication number: 20080243384Abstract: Disclosed herein is an azimuth determination apparatus including: a horizontal-direction acceleration detection section installed in a movable body as a section configured to detect an acceleration caused by a centrifugal force, which is generated when said movable body is making a turn, as an acceleration oriented in a horizontal direction perpendicular to the traveling direction of said movable body. The apparatus further includes an azimuth determination section configured to produce a result of determination as to whether said movable body is making a right or left turn on the basis of said detected acceleration oriented in said horizontal direction and threshold values.Type: ApplicationFiled: September 24, 2007Publication date: October 2, 2008Applicant: Sony CorporationInventors: Masashi OHKUBO, Tomohisa TAKAOKA
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Publication number: 20080109166Abstract: A navigation apparatus includes: a section that calculates a mobile object's acceleration in the direction of the motion, based on the mobile object's speed calculated from information received from a satellite; a section that calculates lateral acceleration whose direction is perpendicular to the mobile object's motion, based on the mobile object's speed and direction calculated from information received from the satellite; an acceleration sensor that observes motion acceleration of the mobile object and gravity acceleration; a section that calculates an altitude difference of road based on an atmospheric pressure value supplied from a barometric sensor; a section that calculates an inclination angle of the road in the direction of the motion, based on the altitude difference and a travel distance corresponding to the mobile object's speed; and a section that calculates an attachment angle of the acceleration sensor with respect to the mobile object by using a multidimensional function formula.Type: ApplicationFiled: August 29, 2007Publication date: May 8, 2008Inventors: Tomohisa Takaoka, Masashi Ohkubo
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Publication number: 20070067096Abstract: To accurately detect a zero gravity offset in an acceleration sensor. As an embodiment of the present invention, in the case where position information can be obtained from a GPS processing section, a velocity detecting unit performs an operation according to Expression (15), using real detected acceleration ?Gr that was actually obtained from the acceleration sensor, vehicle acceleration ?P based on the position information, distance Dm, an amount of height change Dh based on pressure PR, and gravity acceleration g. Therefore, offset acceleration ?o can be accurately calculated, and an acceleration detection signal can be converted into detected acceleration ?G with high accuracy, based on a zero gravity offset value Vzgo by that the above offset acceleration ?o was converted.Type: ApplicationFiled: August 28, 2006Publication date: March 22, 2007Applicant: Sony CorporationInventors: Masashi Ohkubo, Tomohisa Takaoka
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Publication number: 20070067137Abstract: As an embodiment of the present invention, in a navigation system using an acceleration sensor, when position information cannot be obtained from a GPS processing section, a velocity detecting unit performs an operation using detected acceleration ?G, a measurement time mt, a velocity V0 at a time t0, gravity acceleration g and an amount of height change Dh, according to Expression (11). By using the relationship among a gravity acceleration component gf, the gravity acceleration g, the amount of height change Dh and distance Dm shown in Expression (4), the gravity acceleration component gf can be offset by the amount of height change Dh. Therefore, velocity V can be calculated with high accuracy without receiving the effect of the gravity acceleration component gf.Type: ApplicationFiled: August 28, 2006Publication date: March 22, 2007Applicant: SONY CORPORATIONInventors: Masashi Ohkubo, Tomohisa Takaoka
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Patent number: 7174032Abstract: An apparatus and a method for personal identification include an image pickup section for picking up an image of a blood vessel pattern of a wrist, a storage unit for storing in advance an image of a blood vessel pattern of a certain person as a registered image, and a control section (CPU) for the computation of degrees of similarity according to data differences between the image of the blood vessel pattern picked up by the image pickup section and the registered image to determine identification according to the relationship between the computed degrees of similarity and a threshold, thereby eliminating the need to carry out processing by a characteristic extraction section or the like.Type: GrantFiled: October 31, 2002Date of Patent: February 6, 2007Assignee: Sony CorporationInventors: Kiyoaki Takiguchi, Masashi Ohkubo, Takaaki Nakamura, Kazuhiko Aida
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Patent number: 6962379Abstract: A shock absorbing member attaching structure for attaching a shock absorbing member 12 made from a resin to a bumper beam 11 of a vehicle body, characterized in that protruding portions 22, 23 which protrude in opposite directions are provided on the bumper beam 11, and in that attaching portions 31, 32 are provided on the shock absorbing member 12 which are adapted to ride over the respective protruding portions 22, 23 by virtue of elastic deformation thereof to be locked onto the protruding portions 22, 23 on a longitudinally inward side thereof.Type: GrantFiled: December 16, 2003Date of Patent: November 8, 2005Assignee: Honda Motor Co., Ltd.Inventors: Hideki Minami, Akihiro Shibuya, Masashi Ohkubo