JP2001061777A5

JP2001061777A5 -

Info

Publication number: JP2001061777A5
Application number: JP1999240065A
Authority: JP
Filing date: 1999-08-26
Publication date: 2006-10-12
Anticipated expiration: 2019-08-26

Description

【特許請求の範囲】
【請求項１】少なくとも撮像素子としてＣ−ＭＯＳイメージセンサを備え、照明部として照明用ＬＥＤを備えた撮像アダプタと、
この撮像アダプタが先端部に着脱自在で、前記Ｃ−ＭＯＳイメージセンサ及び前記照明用ＬＥＤにそれぞれ接続する電気ケーブルを内挿した挿入部と、
この挿入部の基端部に配置され、少なくとも前記Ｃ−ＭＯＳイメージセンサから出力された映像信号を表示手段に出力するための映像出力端子部及び前記照明用ＬＥＤに供給する電流値を制限するための電流制限回路を備えた操作部と、
を具備することを特徴とする電子内視鏡。
【請求項２】前記撮像アダプタの外面に、前記Ｃ−ＭＯＳイメージセンサ及び前記照明部を構成する照明用ＬＥＤにそれぞれ電源を供給するための電気的に導通するアダプタ側Ｃ−ＭＯＳ接続部及びアダプタ側ＬＥＤ接続部を設けた請求項１に記載の電子内視鏡。
【請求項３】前記操作部に前記Ｃ−ＭＯＳイメージセンサ及び前記照明用ＬＥＤの電源として電池を設けた請求項１又は２に記載の電子内視鏡。
【請求項４】前記撮像アダプタと前記挿入部とを電気的に接続して、挿入部を延長させる挿入部延長部材を有する請求項１から３のいずれかに記載の電子内視鏡。
【請求項５】前記Ｃ−ＭＯＳイメージセンサの画素数又は画素サイズが異なる複数種類の撮像アダプタを有し、この撮像アダプタが前記挿入部の先端部に着脱自在である請求項１から４のいずれかに記載の電子内視鏡。
【請求項６】前記照明部の構成が異なる複数種類の撮像アダプタを有し、この撮像アダプタが前記挿入部の先端部に着脱自在である請求項１から５のいずれかに記載の電子内視鏡。

[Claims]
1. An image pickup adapter having at least a C-MOS image sensor as an image pickup element and an LED for illumination as an illumination unit.
This imaging adapter is detachable from the tip, and has an insertion part in which an electric cable is inserted to connect to the C-MOS image sensor and the lighting LED, respectively.
In order to limit the current value supplied to at least the video output terminal portion for outputting the video signal output from the C-MOS image sensor to the display means and the lighting LED, which is arranged at the base end portion of the insertion portion. The operation unit equipped with the current limiting circuit of
An electronic endoscope characterized by comprising.
2. An adapter-side C-MOS connection portion and an adapter that are electrically conductive on the outer surface of the imaging adapter to supply power to the C-MOS image sensor and the lighting LED constituting the lighting portion, respectively. The electronic endoscope according to claim 1, wherein a side LED connection portion is provided.
3. The electronic endoscope according to claim 1, wherein a battery is provided as a power source for the C-MOS image sensor and the lighting LED in the operation unit.
4. A connecting said and an imaging adapter the insertion portion electrically, the electronic endoscope according to any one of claims 1 to 3 having an insertion portion extending member to extend the insertion portion.
Wherein having said C-MOS image a plurality of kinds of imaging adapter pixel number or the pixel size is different sensors, one of claims 1 4 of the imaging adapter is detachable to the distal end of the insertion portion Electronic endoscope described in Crab.
6. has an imaging adapter plurality of types of different configurations of the illuminating unit, an electronic endoscope according to any one of claims 1 to 5 the imaging adapter is detachable to the distal end of the insertion portion mirror.