Title:
フォーカルプレーンシャッタおよび撮像装置
Document Type and Number:
Japanese Patent JP7401379
Kind Code:
B2
Abstract:
To solve the problem in which a conventional blade drive device adopts a structure of arranging a pair of yokes having a coil wounded so as to cover two rotators, and thereby, upon assembling the device, alignment of each member is time-consuming.SOLUTION: A focal plane shutter of the present invention is provided with: a base plate; a blade that can open and close an opening part provided in the base plate; and a drive device that drives the blade. The drive device has: a transmission member that transmits driving force to the blade; a cylindrical first rotator that is coupled to a transmission member, and rotates around a first shaft; a cylindrical second rotator that is coupled to the transmission member, and rotates around a second shaft; a first yoke and second yoke that are arranged so as to cover the first rotator and second rotator in a radial direction; a first bobbin that is mounted to the first yoke; a first coil that is wounded around the first bobbin; a second bobbin that is mounted to the second yoke; a second coil that is wounded around the second bobbin; and a coupling part that is provided between the first bobbin and the second bobbin, and couples the first bobbin and second bobbin.SELECTED DRAWING: Figure 3
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Inventors:
Yusuke Suzuki
Application Number:
JP2020060006A
Publication Date:
December 19, 2023
Filing Date:
March 30, 2020
Export Citation:
Assignee:
Nidek Precision Co., Ltd.
International Classes:
G03B9/36; G03B17/02; H04N23/55
Domestic Patent References:
| JP2016194605A | ||||
| JP2013076746A | ||||
| JP2009053433A |
Attorney, Agent or Firm:
Shu Oikawa
Yuki Narita
Masahisa Matsumoto
Ancient city Satoshi
Yuki Narita
Masahisa Matsumoto
Ancient city Satoshi