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Driving apparatus and image pickup apparatus using the same

A driving device and driving force technology, which is applied in the field of camera devices and driving devices, can solve problems such as the difficulty of precise positioning of moving bodies

Inactive Publication Date: 2012-06-20
OLYMPUS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0013] Therefore, it can be considered that it is very difficult to perform precise positioning of the moving body in the driving device of the above-mentioned conventional structure.

Method used

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  • Driving apparatus and image pickup apparatus using the same
  • Driving apparatus and image pickup apparatus using the same
  • Driving apparatus and image pickup apparatus using the same

Examples

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Comparison scheme
Effect test

Embodiment Construction

[0033] One embodiment of the present invention is described by taking a driving device and an imaging device equipped with an image shake correction mechanism using the driving device as examples. The driving device executes an image shake correction operation by driving an imaging unit including An image sensor that processes and acquires image signals. As a form of this imaging device, in this embodiment, for example, a single-lens reflex digital camera with an interchangeable lens is exemplified.

[0034] figure 1 It is a block configuration diagram showing an internal configuration of an imaging device including a driving device according to an embodiment of the present invention, and mainly showing a schematic electrical configuration. figure 2 is showing figure 1 A longitudinal sectional side view of the structure of the imaging unit in the imaging device. image 3 is to be included in the figure 1 An enlarged perspective view showing main parts taken out of the ima...

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Abstract

A driving apparatus includes: a first member (333y) including a first linear groove (333ya); a second member (331y) including a second linear groove (331ya); a plurality of first rolling bodies (334y) held between the first and the second linear grooves; a pressing member (338y) for pressing the first and second members; a pressing force applying member (339y) for pressing the pressing member; and second rolling bodies (336y) arranged on the same plane between the second member and the pressing member. A third linear groove (332ya) for guiding the second rolling bodies is formed on one of thesecond member and the pressing member. At least one or more of the second rolling bodies are arranged on both sides of the central axis of the first rolling bodies, and the pressing force applying member applies a pressing force to the second rolling bodies such that rotational moment around the axis line is zero.

Description

technical field [0001] The present invention relates to a drive device and an imaging device using the drive device. Specifically, it relates to a drive device for moving a moving body in a predetermined direction relative to a fixed body by using the driving force of an actuator such as an electromagnetic motor or an ultrasonic motor, and a drive device having An image pickup device such as a digital camera of an image shake correction mechanism that performs image shake correction using the drive device. Background technique [0002] In recent years, in imaging devices such as digital cameras, imaging devices having an image shake correction mechanism for correcting image shake using a driving device that utilizes, for example, an electromagnetic motor, an ultrasonic motor, etc. The driving force appropriately moves the moving body on which the imaging device and the like are mounted relative to the fixed body in a predetermined direction at predetermined timing. [0003]...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03B5/00H02N2/02
CPCG02B7/023G03B2205/0007G03B2205/0053G02B27/646G02B7/003G02B7/08H04N5/2171H04N5/23287G03B5/00H04N5/23248H04N5/23258G02B27/0006H04N23/811H04N23/68H04N23/6812H04N23/687
Inventor 川合澄夫西原芳树芳贺满裕
Owner OLYMPUS CORP
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