Patents by Inventor Nobuyoshi Inoue
Nobuyoshi Inoue 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).
-
Patent number: 8727646Abstract: When a hold member rotates on a shaft counterclockwise in the set operation, pressing parts of a pressing member which is fitted on top end of the hold member press pressed parts of iron piece members to rotate a lock-releasing member for a first blade and a lock-releasing member for a rear blade so that the iron piece members are made to come into contact with iron-core members of electromagnets, while an engagement pin presses an arm of a connection spring to rotate a restraining member clockwise so that a restraining part of the restraining member moves into the trajectory of the movement of a restrained part of the lock-releasing member for the rear blade.Type: GrantFiled: March 10, 2011Date of Patent: May 20, 2014Assignee: Nidec Copal CorporationInventors: Tsubasa Ai, Kenta Kawakami, Nobuyoshi Inoue
-
Patent number: 8545115Abstract: A blade room for a second blade group is formed between a shutter base plate and a middle plate and a blade room for a first blade group is formed between the middle plate and an auxiliary base plate, by separating a space between the shutter base plate and the auxiliary base plate by the middle plate. A push pin which is planted on the shutter base plate pushes a portion on the lower area of the middle plate toward the auxiliary base plate so that the middle plate bends in the shape of an arc. Also, the area of the middle plate below the exposure aperture has the narrowest width in the portion which is pushed by the push pin and the pushed portion of the middle plate has a shape by which the area of the middle plate below the exposure aperture is easy to bend.Type: GrantFiled: April 26, 2012Date of Patent: October 1, 2013Assignee: Nidec Copal CorporationInventors: Kenta Kawakami, Nobuyoshi Inoue
-
Patent number: 8408823Abstract: When photographing using an optical finer, a hold member rotates, and a pressing member pushes a pushed portion of an iron piece member to rotate an unlocking member for a first blade and an unlocking member for a second blade to bring the iron piece member into contact with an iron core member of an electromagnet. When photographing using an electronic finder, a permanent magnet rotor of an electromagnetic device is rotated in a state where the electromagnet is not magnetized, a deterring member is made to face the operation locus of a deterred portion of the unlocking member for a second blade, and then, the hold member is rotated. Thereby, the unlocking member for a second blade is deterred by the deterring member so as to allow observation using the electronic finder without pushing the locking member for a second blade.Type: GrantFiled: September 30, 2011Date of Patent: April 2, 2013Assignee: Nidec Copal CorporationInventors: Kenta Kawakami, Nobuyoshi Inoue
-
Publication number: 20120275777Abstract: A blade room for a second blade group is formed between a shutter base plate and a middle plate and a blade room for a first blade group is formed between the middle plate and an auxiliary base plate, by separating a space between the shutter base plate and the auxiliary base plate by the middle plate. A push pin which is planted on the shutter base plate pushes a portion on the lower area of the middle plate toward the auxiliary base plate so that the middle plate bends in the shape of an arc. Also, the area of the middle plate below the exposure aperture has the narrowest width in the portion which is pushed by the push pin and the pushed portion of the middle plate has a shape by which the area of the middle plate below the exposure aperture is easy to bend.Type: ApplicationFiled: April 26, 2012Publication date: November 1, 2012Inventors: Kenta KAWAKAMI, Nobuyoshi INOUE
-
Patent number: 8277133Abstract: A focal plane shutter for cameras includes: a shutter blade assembly; an electromagnet assembly; driving means that includes a mounting member mounted with an iron scrap member that cooperates with an iron core member of the electromagnet assembly; and a setting member that operates the driving means to a set position. The iron scrap member includes a shaft fitted in a mounting hole of the mounting member, an iron scrap portion provided at one end of the shaft and brought into contact with the iron core member, and a removal preventing flange provided at the other end of the shaft, a collar member is fitted to the shaft between the mounting hole and the flange, an edge of the mounting hole is formed to have an arcuate surface protruding toward the collar member, and the collar member is formed to have, on the edge side, an arcuate surface protruding toward the flange and substantially perpendicular to the arcuate surface.Type: GrantFiled: April 12, 2010Date of Patent: October 2, 2012Assignee: Nidec Copal CorporationInventors: Masakatsu Ichihara, Nobuyoshi Inoue
-
Publication number: 20120141110Abstract: When photographing using an optical finer, a hold member rotates, and a pressing member pushes a pushed portion of an iron piece member to rotate an unlocking member for a first blade and an unlocking member for a second blade to bring the iron piece member into contact with an iron core member of an electromagnet. When photographing using an electronic finder, a permanent magnet rotor of an electromagnetic device is rotated in a state where the electromagnet is not magnetized, a deterring member is made to face the operation locus of a deterred portion of the unlocking member for a second blade, and then, the hold member is rotated. Thereby, the unlocking member for a second blade is deterred by the deterring member so as to allow observation using the electronic finder without pushing the locking member for a second blade.Type: ApplicationFiled: September 30, 2011Publication date: June 7, 2012Inventors: Kenta KAWAKAMI, Nobuyoshi INOUE
-
Publication number: 20110222843Abstract: When a hold member rotates on a shaft counterclockwise in the set operation, pressing parts of a pressing member which is fitted on top end of the hold member press pressed parts of iron piece members to rotate a lock-releasing member for a first blade and a lock-releasing member for a rear blade so that the iron piece members are made to come into contact with iron-core members of electromagnets, while an engagement pin presses an arm of a connection spring to rotate a restraining member clockwise so that a restraining part of the restraining member moves into the trajectory of the movement of a restrained part of the lock-releasing member for the rear blade.Type: ApplicationFiled: March 10, 2011Publication date: September 15, 2011Inventors: Tsubasa AI, Kenta Kawakami, Nobuyoshi Inoue
-
Publication number: 20100284685Abstract: A focal plane shutter for cameras includes: a shutter blade assembly; an electromagnet assembly; driving means that includes a mounting member mounted with an iron scrap member that cooperates with an iron core member of the electromagnet assembly; and a setting member that operates the driving means to a set position. The iron scrap member includes a shaft fitted in a mounting hole of the mounting member, an iron scrap portion provided at one end of the shaft and brought into contact with the iron core member, and a removal preventing flange provided at the other end of the shaft, a collar member is fitted to the shaft between the mounting hole and the flange, an edge of the mounting hole is formed to have an arcuate surface protruding toward the collar member, and the collar member is formed to have, on the edge side, an arcuate surface protruding toward the flange and substantially perpendicular to the arcuate surface.Type: ApplicationFiled: April 12, 2010Publication date: November 11, 2010Applicant: NIDEC COPAL CORPORATIONInventors: Masakatsu Ichihara, Nobuyoshi Inoue
-
Patent number: 7775728Abstract: A focal plane shutter for cameras includes: a shutter blade assembly; an electromagnet assembly; driving means that includes a mounting member mounted with an iron scrap member that cooperates with an iron core member of the electromagnet assembly; and a setting member that operates the driving means to a set position. The iron scrap member includes a shaft fitted in a mounting hole of the mounting member, an iron scrap portion provided at one end of the shaft and brought into contact with the iron core member, and a removal preventing flange provided at the other end of the shaft, a collar member is fitted to the shaft between the mounting hole and the flange, an edge of the mounting hole is formed to have an arcuate surface protruding toward the collar member, and the collar member is formed to have, on the edge side, an arcuate surface protruding toward the flange and substantially perpendicular to the arcuate surface.Type: GrantFiled: March 30, 2007Date of Patent: August 17, 2010Assignee: Nidec Copal CorporationInventors: Masakatsu Ichihara, Nobuyoshi Inoue
-
Publication number: 20100178049Abstract: In the focal plane shutter for cameras, a shutter base plate, an shank for attaching the first blade drive component and the second blade drive component respectively so as to enable to be rotated, an shank for attaching a set component so as to enable to be rotated, and an shank for attaching the first blade and the second blade so as to enable to be rotated respectively are made of synthetic resins. Each of the shanks is fabricated after a shutter base plate was fabricated beforehand, and grooves for sump having cross section of V letter shape are formed at the same interval of angle extending toward the axial direction of the shank at the circumferential side surfaces of the shanks.Type: ApplicationFiled: January 13, 2010Publication date: July 15, 2010Inventors: Koji Arai, Shigemi Takahashi, Nobuyoshi Inoue
-
Patent number: 7708480Abstract: A focal plane shutter for digital cameras includes a first driving member for a first blade and a second driving member for the first blade, mounted to the same shaft; arms for the first blade on which a set spring is hooked; and a set member for restraining the first driving member for the first blade in the proximity of the position where the exposure operation is completed, at a set position by rotating a restraining member, and actuating the first driving member for the first blade to the starting position of the exposure operation in the restoration to the initial position immediately after the release.Type: GrantFiled: April 26, 2007Date of Patent: May 4, 2010Assignee: Nidec Copal CorporationInventors: Katsunobu Yoshida, Nobuyoshi Inoue
-
Patent number: 7708477Abstract: In the focal plane shutter for cameras, a shutter base plate, an shank for attaching the first blade drive component and the second blade drive component respectively so as to enable to be rotated, an shank for attaching a set component so as to enable to be rotated, and an shank for attaching the first blade and the second blade so as to enable to be rotated respectively are made of synthetic resins. Each of the shanks is fabricated after a shutter base plate was fabricated beforehand, and grooves for sump having cross section of V letter shape are formed at the same interval of angle extending toward the axial direction of the shank at the circumferential side surfaces of the shanks.Type: GrantFiled: May 30, 2007Date of Patent: May 4, 2010Assignee: Nidec Copal CorporationInventors: Koji Arai, Shigemi Takahashi, Nobuyoshi Inoue
-
Patent number: 7699544Abstract: A shutter base plate is made of synthetic resin and is configured with one overhang section on the blade-chamber-side surface at one end of an arcuate slot and the other overhang section on the blade-chamber-outside surface. A shock absorbing member made from elastic material is configured with concave portions on the blade-chamber-side surface and three concave portions on the blade-chamber-outside surface. The shock absorbing member is mounted to the shutter base plate in such a way that these concave portions come in contact with the overhang sections, and as is well known, when an exposure operation is completed, the driving pin of a driving member abuts on the shock absorbing member.Type: GrantFiled: February 12, 2008Date of Patent: April 20, 2010Assignee: Nidec Copal CorporationInventors: Yasutaka Yamaguchi, Nobuyoshi Inoue
-
Patent number: 7431517Abstract: A first drive member which rotates with a rotor includes a first cam portion and a second cam portion, and a second drive member which connects a drive pin with a shutter blade includes a first cam portion and a second cam portion. A circular hole of the link member is fitted to a shaft member which is fixed to the first drive member and an elongated hole thereof is fitted to the shaft member fixed to the second drive member. The first drive member rotates the second drive member first via the link member and subsequently rotates the same directly so that when an abutting portion of the second drive member comes into abutment with an edge of the elongated hole, a generated repulsive force acts toward an axis of rotation of the first drive member irrespective of the direction of rotation of a rotor 7.Type: GrantFiled: September 15, 2005Date of Patent: October 7, 2008Assignee: Nidec Copal CorporationInventors: Yuichirou Usuda, Nobuyoshi Inoue
-
Publication number: 20080193122Abstract: A shutter base plate is made of synthetic resin and is configured with one overhang section on the blade-chamber-side surface at one end of an arcuate slot and the other overhang section on the blade-chamber-outside surface. A shock absorbing member made from elastic material is configured with concave portions on the blade-chamber-side surface and three concave portions on the blade-chamber-outside surface. The shock absorbing member is mounted to the shutter base plate in such a way that these concave portions come in contact with the overhang sections, and as is well known, when an exposure operation is completed, the driving pin of a driving member abuts on the shock absorbing member.Type: ApplicationFiled: February 12, 2008Publication date: August 14, 2008Inventors: Yasutaka Yamaguchi, Nobuyoshi Inoue
-
Publication number: 20070292122Abstract: In the focal plane shutter for cameras, a shutter base plate, an shank for attaching the first blade drive component and the second blade drive component respectively so as to enable to be rotated, an shank for attaching a set component so as to enable to be rotated, and an shank for attaching the first blade and the second blade so as to enable to be rotated respectively are made of synthetic resins. Each of the shanks is fabricated after a shutter base plate was fabricated beforehand, and grooves for sump having cross section of V letter shape are formed at the same interval of angle extending toward the axial direction of the shank at the circumferential side surfaces of the shanks.Type: ApplicationFiled: May 30, 2007Publication date: December 20, 2007Inventors: Koji Arai, Shigemi Takahashi, Nobuyoshi Inoue
-
Publication number: 20070253707Abstract: A focal plane shutter for digital cameras includes a first driving member for a first blade and a second driving member for the first blade, mounted to the same shank; arms for the first blade on which a set spring is hooked; and a set member for restraining the first driving member for the first blade in the proximity of the position where the exposure operation is completed, at a set position by rotating a restraining member, and actuating the first driving member for the first blade to the starting position of the exposure operation in the restoration to the initial position immediately after the release.Type: ApplicationFiled: April 26, 2007Publication date: November 1, 2007Inventors: Katsunobu Yoshida, Nobuyoshi Inoue
-
Publication number: 20070237518Abstract: A focal plane shutter for cameras includes: a shutter blade assembly; an electromagnet assembly; driving means that includes a mounting member mounted with an iron scrap member that cooperates with an iron core member of the electromagnet assembly; and a setting member that operates the driving means to a set position. The iron scrap member includes a shaft fitted in a mounting hole of the mounting member, an iron scrap portion provided at one end of the shaft and brought into contact with the iron core member, and a removal preventing flange provided at the other end of the shaft, a collar member is fitted to the shaft between the mounting hole and the flange, an edge of the mounting hole is formed to have an arcuate surface protruding toward the collar member, and the collar member is formed to have, on the edge side, an arcuate surface protruding toward the flange and substantially perpendicular to the arcuate surface.Type: ApplicationFiled: March 30, 2007Publication date: October 11, 2007Inventors: Masakatsu Ichihara, Nobuyoshi Inoue
-
Publication number: 20060056840Abstract: A first drive member which rotates with a rotor includes a first cam portion and a second cam portion, and a second drive member which connects a drive pin with a shutter blade includes a first cam portion and a second cam portion. A circular hole of the link member is fitted to a shaft member which is fixed to the first drive member and an elongated hole thereof is fitted to the shaft member fixed to the second drive member. The first drive member rotates the second drive member first via the link member and subsequently rotates the same directly so that when an abutting portion of the second drive member comes into abutment with an edge of the elongated hole, a generated repulsive force acts toward an axis of rotation of the first drive member irrespective of the direction of rotation of a rotor 7.Type: ApplicationFiled: September 15, 2005Publication date: March 16, 2006Inventors: Yuichirou Usuda, Nobuyoshi Inoue
-
Patent number: 6899473Abstract: A focal plane shutter for cameras is provided with a shutter blade which can be actuated to both directions for opening and for closing a photographing optical path by an electromagnetic apparatus. When a rotor is rotated to the direction corresponding to the direction of conduction of coils an actuating member which is formed in one with the rotor make arms rotate by its actuating pin and actuates four blades of the shutter blade about upward and downward direction. A brake member rotatably arranged together with on a friction plate on a shaft has bent portions formed near tip portions of the arm portions which are inserted in a slot on a shutter base plate. An operation for opening the shutter blade is braked by the actuating pin contacting, pressing and moving one of the bent portions at termination stage, and a closing operation is braked by the actuating pin contacting, pressing and moving another bent portion at the termination stage.Type: GrantFiled: February 26, 2004Date of Patent: May 31, 2005Assignee: Nidec Copal CorporationInventors: Kouichi Kudo, Nobuyoshi Inoue