PROBLEM TO BE SOLVED: To provide a scanning type endoscope system capable of eliminating useless irradiation with light and obtaining endoscopic images of uniform brightness.SOLUTION: The scanning type endoscope system includes: an optical fiber for guiding illumination light to an emission end and emitting it to a subject an optical fiber scanning means for cyclically moving the emission end of the optical fiber so that the illumination light emitted from the emission end of the optical fiber cyclically scans a two-dimensional scanning area on the subject a light source control means for generating drive signals for driving the illumination light and ON/OFF controlling the illumination light on the basis of the drive signals an image signal detection means for receiving scattered light from the subject and detecting image signals at prescribed detection timing and an image generation means for allocating two-dimensional pixel positions corresponding to the detection timing of the image signals, arraying the image signals at the pixel positions and generating the endoscopic images. The light source control means generates the drive signals on the basis of the detection timing of the image signals so that the irradiation density of the illumination light is roughly fixed in the entire scanning area.COPYRIGHT: (C)2013,JPO&INPIT【課題】無駄な光の照射をなくし、一様な明るさの内視鏡画像を得ることが可能な走査型内視鏡システムを提供することである。【解決手段】走査型内視鏡システムが、照明光を出射端まで導光し被写体に出射する光ファイバと、光ファイバの出射端から出射される照明光が被写体上の二次元の走査領域内を周期的に走査するように光ファイバの出射端を周期的に移動させる光ファイバ走査手段と、照明光を駆動するための駆動信号を生成し駆動信号に基づいて照明光をオン/オフ制御する光源制御手段と、被写体からの散乱光を受光し所定の検出タイミングで画像信号を検出する画像信号検出手段と、画像信号の検出タイミングに応じた二次元の画素位置を割り当て該画素位置に画像信号を配列して内視鏡画像を生成する画像生成手段とを備え、光源制御手段は、照明光の照射密度が走査領域の全域において略一定となるように画像信号の検出タイミングに基づいて駆動信号を生成する。【選択図】図7
