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Imaging apparatus and endoscope apparatus using the same

A camera device and endoscope technology, applied in the direction of endoscope, application, image communication, etc., can solve the problems of difficulty in responding to miniaturization requirements, large-scale endoscopes, and difficulties in endoscope devices, and achieve resolution Improved effect

Inactive Publication Date: 2008-02-13
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in order to mount the mechanical shutter, it requires a mounting space for itself and the drive device that drives it.
[0037] Therefore, when the imaging device of Conventional Example 2 is applied to an endoscope, there is a problem of increasing the size of the endoscope, and it is difficult to meet the demand for miniaturization.
It is relatively easy to install a mechanical shutter in devices larger than endoscopes, such as digital still cameras and camcorders, but it is difficult in endoscope devices.

Method used

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  • Imaging apparatus and endoscope apparatus using the same
  • Imaging apparatus and endoscope apparatus using the same
  • Imaging apparatus and endoscope apparatus using the same

Examples

Experimental program
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Effect test

Embodiment approach 1

[0084] Hereinafter, an imaging device and an endoscope device according to Embodiment 1 of the present invention will be described with reference to FIGS. 1 to 4 . First, the configuration of the imaging device according to Embodiment 1 will be described with reference to FIG. 1 . FIG. 1 is a configuration diagram schematically showing the configuration of an imaging device according to Embodiment 1 of the present invention.

[0085] The imaging device of Embodiment 1 is the same as the imaging device of Conventional Example 1 shown in FIG. 19 in the background art, and constitutes a part of an endoscope device (see FIG. 4 ), and captures moving images and still images in dark places where external light is difficult to reach. image. Also in the first embodiment, as in the first conventional example, an interline transfer type CCD imaging device (CCD) 1 is used as a solid-state imaging device.

[0086] Specifically, as shown in FIG. 1 , the imaging device of the first embodi...

Embodiment approach 2

[0118] Next, an imaging device and an endoscope device according to Embodiment 2 of the present invention will be described with reference to FIGS. 5 and 6 . 5 is an explanatory diagram conceptually showing the operation of the solid-state imaging device constituting the imaging device according to Embodiment 2 of the present invention, FIG. 5( a ) showing a moving image, and FIG. 5( b ) showing a still image.

[0119] The imaging device according to Embodiment 2 differs from the imaging device according to Embodiment 1 shown in FIG. 1 in the processing performed inside the device when capturing a moving image. Other than that, the imaging device according to Embodiment 2 is the same as the imaging device according to Embodiment 1 shown in FIG. 1 . In addition, the endoscope apparatus according to Embodiment 2 has the same configuration as the endoscope apparatus according to Embodiment 1 shown in FIG. 4 . Differences of Embodiment 1 will be described below.

[0120] As show...

Embodiment approach 3

[0128] Next, an imaging device and an endoscope device according to Embodiment 3 of the present invention will be described with reference to FIGS. 7 and 8 . 7 is an explanatory diagram conceptually showing the operation of the solid-state imaging device constituting the imaging device according to Embodiment 3 of the present invention, FIG. 7( a ) showing the time of moving image shooting, and FIG. 7( b ) showing the time of still image shooting.

[0129] The imaging device of the third embodiment is also different from the imaging device of the first embodiment shown in FIG. 1 in the processing performed inside the device when a moving image is captured. Other than that, the imaging device according to Embodiment 3 is the same as the imaging device according to Embodiment 1 shown in FIG. 1 . In addition, the endoscope apparatus according to Embodiment 3 also has the same configuration as the endoscope apparatus according to Embodiment 1 shown in FIG. 4 . Differences of Embo...

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Abstract

An imaging apparatus that can shoot a moving image and a still image includes: a CCD 1 ; an illumination light source 3 for illuminating a subject; and a controlling apparatus 10 for controlling the CCD 1 and the illumination light source 3 . The CCD 1 includes: a plurality of photoelectric conversion parts that are arranged in matrix; and a vertical charge transfer part for reading out a charge that is accumulated in each of the photoelectric conversion parts, the controlling apparatus 10 allows the vertical charge transfer part to read out the charge in a state where the illumination light source 3 is ON at a time of shooting the moving image, and when an instruction for shooting the still image is provided, the controlling apparatus turns OFF the illumination light source 3 after completion of light exposure for obtaining the still image, allows the vertical charge transfer part to read out all of the charges by dividing the charges into a plurality of fields while the illumination light source 3 is OFF, and synthesizes the charges that are read out separately by the respective fields so as to generate one still image.

Description

technical field [0001] The present invention relates to an imaging device including a solid-state imaging element such as a CCD (charge coupled device) imaging element and a MOS imaging element, and particularly relates to an imaging device equipped with an auxiliary light source for imaging in an environment where sufficient brightness cannot be obtained. camera device. Background technique [0002] Solid-state imaging elements such as CCD imaging elements and MOS imaging elements are not limited to digital still cameras and camcorders, and can also be used as imaging elements of endoscope devices. Generally, an endoscope apparatus is provided with an illumination light source for illuminating a subject because it is used for imaging in places where ambient light is difficult to reach, such as inside a human body or inside a pipe. [0003] In addition, the place where the endoscope is used is often narrow, so in order to realize the reduction of the diameter of the endosco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/335H04N5/225H04N3/15A61B1/05A61B1/04H04N25/00H04N25/46H04N25/73
CPCH04N5/23245H04N2005/2255H04N5/2354H04N23/555H04N23/667H04N23/74A61B1/00H04N23/00
Inventor 山田彻寺西信一
Owner PANASONIC CORP
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