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Electronic camera device

A camera device, electronic technology, applied in television, electrical components, image communication, etc., can solve the problem of not revealing dust and so on

Inactive Publication Date: 2007-03-07
OLYMPUS OPTICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the above-mentioned Japanese Patent Application No. 2000-401291 does not disclose the point of removing the dust attached to the glass plate when attaching and detaching the accessory device.

Method used

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Embodiment Construction

[0027] Hereinafter, an electronic imaging device with a dust-proof function according to the present invention will be described in detail based on an embodiment of a camera system including an imaging element and various accessory devices.

[0028] FIG. 1 is a block diagram showing the configuration of a camera system according to an embodiment of the present invention. This camera system is mainly composed of a main body unit 100 as a camera body and as an accessory device such as: a lens unit 10 as an interchangeable lens, a recording medium 27 for recording captured image data, an external power supply 70, and an externally installed electronic flash unit 80. And so on.

[0029] The lens unit 10 desired by the user is detachably set by a lens holder (not shown) provided on the front surface of the main body unit 100 .

[0030] The above-mentioned recording medium 27 is an external recording medium such as various memory cards or an externally mounted HDD, and can communic...

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PUM

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Abstract

The present invention provides an electronic imaging device with a dust-proof function of securely removing dust sticking on a constitution member when an accessory unit is attached and detached. The electronic imaging device is a device (camera) where an accessory such as a recording medium 27, an external power source 70 or an electronic flash unit 80 can be attached and detached, and comprises a photographic lens 1 which forms an optical image of a subject, a CCD unit 22, a constitution member (dust-proof glass 30) arranged between the CCD and the photographic lens, and a dust removing means (a piezoelectric element 31 and a dust-proof glass driving circuit 40) which removes stuck dust by vibrating the glass at a plurality of kinds of frequencies and efficiently performs the dust removing operation through the resonating operation of a piezoelectric element 31 in effective timing corresponding to the attachment of one of the accessories.

Description

technical field [0001] The present invention relates to an electronic imaging device having an imaging element, and to an electronic imaging device with a dustproof function capable of removing dust adhering to components such as a camera system. Background technique [0002] Conventionally, as an example of technology related to the dust-proof function of an optical device, it has been proposed to remove dust adhering to the glass by vibrating a cover glass (dust-proof glass) that protects an imaging element. Specifically, there is, for example, the proposal described in Japanese Patent Application No. Hei 2000-401291, in which a piezoelectric element is used as a device for vibrating a glass plate. The piezoelectric element expands and contracts in response to an applied voltage, and vibrates the mounted glass plate at a predetermined cycle. [0003] Various attachments are freely attached and detachable, and the desired attachments are attached to the main body for use. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/225G03B17/02G03B17/14
Inventor 伊藤顺一
Owner OLYMPUS OPTICAL CO LTD
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