Patents by Inventor Shunji NAGAYA
Shunji NAGAYA 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: 20220210315Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.Type: ApplicationFiled: March 18, 2022Publication date: June 30, 2022Applicant: NIKON CORPORATIONInventors: Masafumi OIKAWA, Kazuharu IMAFUJI, Shigeo TAKAHASHI, Shunji NAGAYA
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Patent number: 11317012Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.Type: GrantFiled: March 16, 2021Date of Patent: April 26, 2022Assignee: NIKON CORPORATIONInventors: Masafumi Oikawa, Kazuharu Imafuji, Shigeo Takahashi, Shunji Nagaya
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Publication number: 20210203834Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.Type: ApplicationFiled: March 16, 2021Publication date: July 1, 2021Applicant: NIKON CORPORATIONInventors: Masafumi OIKAWA, Kazuharu IMAFUJI, Shigeo TAKAHASHI, Shunji NAGAYA
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Patent number: 10979618Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.Type: GrantFiled: April 22, 2020Date of Patent: April 13, 2021Assignee: NIKON CORPORATIONInventors: Masafumi Oikawa, Kazuharu Imafuji, Shigeo Takahashi, Shunji Nagaya
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Publication number: 20200252538Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.Type: ApplicationFiled: April 22, 2020Publication date: August 6, 2020Applicant: NIKON CORPORATIONInventors: Masafumi OIKAWA, Kazuharu IMAFUJI, Shigeo TAKAHASHI, Shunji NAGAYA
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Patent number: 10674065Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.Type: GrantFiled: August 29, 2018Date of Patent: June 2, 2020Assignee: NIKON CORPORATIONInventors: Masafumi Oikawa, Kazuharu Imafuji, Shigeo Takahashi, Shunji Nagaya
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Publication number: 20180367724Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.Type: ApplicationFiled: August 29, 2018Publication date: December 20, 2018Applicant: NIKON CORPORATIONInventors: Masafumi OIKAWA, Kazuharu IMAFUJI, Shigeo TAKAHASHI, Shunji NAGAYA
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Patent number: 10091407Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.Type: GrantFiled: August 30, 2017Date of Patent: October 2, 2018Assignee: NIKON CORPORATIONInventors: Masafumi Oikawa, Kazuharu Imafuji, Shigeo Takahashi, Shunji Nagaya
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Publication number: 20170366734Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.Type: ApplicationFiled: August 30, 2017Publication date: December 21, 2017Applicant: NIKON CORPORATIONInventors: Masafumi OIKAWA, Kazuharu IMAFUJI, Shigeo TAKAHASHI, Shunji NAGAYA
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Patent number: 9774777Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.Type: GrantFiled: October 13, 2016Date of Patent: September 26, 2017Assignee: NIKON CORPORATIONInventors: Masafumi Oikawa, Kazuharu Imafuji, Shigeo Takahashi, Shunji Nagaya
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Publication number: 20170034420Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.Type: ApplicationFiled: October 13, 2016Publication date: February 2, 2017Applicant: NIKON CORPORATIONInventors: Masafumi OIKAWA, Kazuharu IMAFUJI, Shigeo TAKAHASHI, Shunji NAGAYA
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Patent number: 9491347Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.Type: GrantFiled: November 18, 2015Date of Patent: November 8, 2016Assignee: NIKON CORPORATIONInventors: Masafumi Oikawa, Kazuharu Imafuji, Shigeo Takahashi, Shunji Nagaya
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Patent number: 9319577Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.Type: GrantFiled: April 27, 2015Date of Patent: April 19, 2016Assignee: NIKON CORPORATIONInventors: Masafumi Oikawa, Kazuharu Imafuji, Shigeo Takahashi, Shunji Nagaya
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Publication number: 20160070153Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.Type: ApplicationFiled: November 18, 2015Publication date: March 10, 2016Applicant: NIKON CORPORATIONInventors: Masafumi OIKAWA, Kazuharu IMAFUJI, Shigeo TAKAHASHI, Shunji NAGAYA
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Patent number: 9225892Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.Type: GrantFiled: April 27, 2015Date of Patent: December 29, 2015Assignee: NIKON CORPORATIONInventors: Masafumi Oikawa, Kazuharu Imafuji, Shigeo Takahashi, Shunji Nagaya
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Publication number: 20150229829Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.Type: ApplicationFiled: April 27, 2015Publication date: August 13, 2015Applicant: Nikon CorporationInventors: Masafumi OIKAWA, Kazuharu IMAFUJI, Shigeo TAKAHASHI, Shunji NAGAYA
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Patent number: 9039309Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.Type: GrantFiled: May 10, 2012Date of Patent: May 26, 2015Assignee: NIKON CORPORATIONInventors: Masafumi Oikawa, Kazuharu Imafuji, Shigeo Takahashi, Shunji Nagaya
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Patent number: 8814449Abstract: An adapter includes: a first mount section that is detachably attached to a camera body; a second mount section that is provided separately from the first mount section and is detachably attached to an interchangeable lens; and an adapter control section that is capable of communicating between the camera body mounted on the first mount section and the interchangeable lens mounted on the second mount section. The adapter control section provides body transmission lens information for transmission to the camera body, on the basis of lens information requested from the camera body and lens information received from the interchangeable lens, through mutually different methods according to types of the lens information.Type: GrantFiled: July 19, 2012Date of Patent: August 26, 2014Assignee: Nikon CorporationInventors: Masanori Hasuda, Masafumi Oikawa, Noriaki Nakajima, Shunji Nagaya
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Patent number: RE47109Abstract: An adapter includes: a first mount section that is detachably attached to a camera body; a second mount section that is provided separately from the first mount section and is detachably attached to any one of a plurality of types of interchangeable lenses which are different from each other in a method of controlling a diaphragm; and an accessory control section that controls the diaphragm of the interchangeable lens in response to a common control command which is received from the camera body regardless of the type of the interchangeable lens mounted on the second mount section.Type: GrantFiled: June 24, 2016Date of Patent: October 30, 2018Assignee: NIKON CORPORATIONInventors: Masanori Hasuda, Masafumi Oikawa, Noriaki Nakajima, Shunji Nagaya
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Patent number: RE47352Abstract: An adapter includes: a first mount section that is detachably attached to a camera body; a second mount section that is provided separately from the first mount section and is detachably attached to an interchangeable lens; and a power supply section that generates supply voltages of a third power supply system and a fourth power supply system, which are to be fed to the interchangeable lens mounted on the second mount section, from a second power supply system between a first power supply system of the camera body, which is mounted on the first mount section, and the second power supply system which is different from the first power supply system.Type: GrantFiled: June 16, 2016Date of Patent: April 16, 2019Assignee: NIKON CORPORATIONInventors: Hideaki Sugiyama, Fumiya Taguchi, Masanori Hasuda, Masafumi Oikawa, Noriaki Nakajima, Shunji Nagaya