MEDIUM FEEDING DEVICE AND IMAGE READING DEVICE

• Main Author: MASARU SEKITO
• Format: Patent
• Language: English; Japanese
• Published: 22.08.2019
• Subjects: CONVEYING; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; HANDLING THIN OR FILAMENTARY MATERIAL; HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES; PACKING; PERFORMING OPERATIONS; PICTORIAL COMMUNICATION, e.g. TELEVISION; STORING; TRANSPORTING

To realize a more appropriate conveying control by detecting wrinkle media more reliably.SOLUTION: A medium feeding device includes: a placement unit for placing a medium; feeding means for feeding the medium placed on the placement unit; wrinkle detecting means provided upstream of the feeding means in a feeding direction and outputting a detection value corresponding to a wrinkle of the medium; and control means for performing predetermined control based on the detection value of the wrinkle detecting means. The wrinkle detecting means is constituted of an optical sensor including a light emitting unit that emits light to a surface of the medium placed on the placement unit, and a light receiving unit that receives light reflected from the surface of the medium. The control means stops the feeding means when the detection value output from the wrinkle detecting means exceeds a predetermined allowable value.SELECTED DRAWING: Figure 4 【課題】シワ媒体をより確実に検出することで、より適切な搬送制御を実現する。【解決手段】媒体給送装置は、媒体を載置する載置部と、前記載置部に載置された媒体を送り出す給送手段と、前記給送手段より給送方向上流側に設けられた、媒体の皺に応じた検出値を出力する皺検出手段と、前記皺検出手段の前記検出値をもとに所定の制御を行う制御手段とを備えている。前記皺検出手段は、前記載置部に載置された媒体の面に対して光を発する発光部と、媒体の面で反射した光を受ける受光部と、を備えた光学センサーで構成されている。前記制御手段は、前記皺検出手段が出力した前記検出値が所定の許容値を超えた場合、前記給送手段を停止する。【選択図】図４