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Iris diaphragm device, diaphragm driving device and camera unit including the same, and diaphragm control method

A driving device and variable technology, applied in the field of variable aperture control and variable aperture devices, can solve the problems of reduced resolution and low light intensity of the lens

Inactive Publication Date: 2005-11-02
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

While this has little effect on resolution at high brightness, it greatly reduces resolution at low brightness, causing a very low amount of light to pass through the lens

Method used

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  • Iris diaphragm device, diaphragm driving device and camera unit including the same, and diaphragm control method
  • Iris diaphragm device, diaphragm driving device and camera unit including the same, and diaphragm control method
  • Iris diaphragm device, diaphragm driving device and camera unit including the same, and diaphragm control method

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Embodiment Construction

[0052] Some embodiments of the invention are described in more detail below with reference to the accompanying drawings.

[0053] Various matters defined in the present invention, such as detailed constructions and elements thereof, are provided to help a comprehensive understanding of the present invention. It should therefore be understood that various changes and modifications of the examples presented herein can be made without departing from the spirit and scope of the invention. Also, well-known functions or constructions are not described in detail for brevity and clarity.

[0054] Hereinafter, an iris, an iris driving device, a camera unit, and an iris control method according to exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0055] see figure 1 . A camera unit according to one embodiment of the present invention includes a lens barrel 10, a zoom lens group 20 housed in the lens barrel 10, a fo...

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Abstract

An iris diaphragm includes at least one lens shutter to adjust the size of an aperture that incident light passes through according to movement of the at least one lens shutter. At least one ND filter is installed to move independently of the lens shutter to reduce the amount of incident light by covering the aperture stopped-down by the lens shutter according to the movement of the at least one ND filter.

Description

technical field [0001] The present invention generally relates to image capture devices for capturing, recording and storing image data. More specifically, the present invention relates to an iris device, an iris driving device, a camera unit including the iris device and its driving device, and a control method of the iris. Background technique [0002] A camcorder is a typical example of an image data recording and reproducing device, and is now widely used to capture moving images and still images. A camcorder includes a camera unit, a signal conversion unit, a deck mechanism for recording and reproducing captured images, and a display unit. Camcorders often use a cassette as a recording medium to record captured image data. In recent years, attention has also been paid to small-sized and light-weight image recording and reproducing apparatuses using compact-sized recording media such as hard disk drives. Since a deck mechanism is not included in an image recording and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B7/02G03B9/02G03B9/06H04N5/225
CPCG03B9/06E04G11/08E04G11/30E04G19/00
Inventor 吴谊根
Owner SAMSUNG ELECTRONICS CO LTD
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