公开(公告)号：US10399803B2

公开(公告)日：2019-09-03

申请号：US15411113

申请日：2017-01-20

Applicant: RICOH COMPANY, LTD.

Inventor： Kyosuke Nakada ,  Kiyoshi Hata ,  Mamoru Yorimoto ,  Yuichiro Maeyama ,  Isao Matsushima ,  Takeshi Watanabe ,  Kahei Nakamura

IPC: B65H3/08 ,  B65H7/02 ,  G03G15/00 ,  B65H3/12

Abstract: A feeding device includes a plurality of suction units, disposed above a conveyed medium stacked on a stacker, to attract the conveyed medium. At least one of the plurality of suction units includes a rotary fan including a board and a plurality of walls extending from the board; and a driver to rotate the rotary fan. The at least one of the plurality of suction units generates a vortex air with a side of the board with the plurality of walls directed to the conveyed medium. The at least one of the plurality of suction units being a suction unit generates a vortex air.

公开(公告)号：US10674041B2

公开(公告)日：2020-06-02

申请号：US16267706

申请日：2019-02-05

Applicant: RICOH COMPANY, LTD.

Inventor： Nobuyuki Satoh ,  Yasuyuki Suzuki ,  Masato Kobayashi ,  Suguru Yokozawa ,  Tatsuhiko Okada ,  Mamoru Yorimoto ,  Daisaku Horikawa ,  Yuichi Sakurada

IPC: H04N1/60 ,  H04N1/00 ,  H04N1/028 ,  G01J3/06 ,  G01J3/52 ,  G06K15/02 ,  H04N5/225 ,  G01J3/02 ,  G01J3/46 ,  H04N1/034 ,  H04N1/50 ,  G06K15/10

Abstract: An image capturing unit includes a sensor unit that image-captures a predetermined area including a subject; and a reference chart unit that is arranged in the predetermined area and captured with the subject by the sensor unit.