US 11,758,067 B2
Document feeder using single motor and image reading apparatus including the same
Jung Hoon Lee, Suwon (KR); Takuya Ito, Yokohama (JP); Jang Won Seo, Pangyo (KR); Jae Hoon Lee, Pangyo (KR); Whan Woo Lee, Pangyo (KR); Soo Hyun Kim, Pangyo (KR); Seung Rae Kim, Suwon (KR); Seung Beom Yang, Suwon (KR); Ji Young Lee, Suwon (KR); Sung Hyun Yoon, Pangyo (KR); and Koo Won Park, Pangyo (KR)
Assigned to Hewlett-Packard Development Company, L.P., Spring, TX (US)
Filed by HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., Spring, TX (US)
Filed on Mar. 14, 2022, as Appl. No. 17/694,167.
Application 17/694,167 is a continuation of application No. 16/966,410, granted, now 11,310,389, previously published as PCT/KR2018/015155, filed on Nov. 30, 2018.
Claims priority of application No. 10-2018-0012451 (KR), filed on Jan. 31, 2018.
Prior Publication US 2022/0201149 A1, Jun. 23, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 1/04 (2006.01); H04N 1/12 (2006.01); H04N 1/00 (2006.01)
CPC H04N 1/1215 (2013.01) [H04N 1/00689 (2013.01); H04N 1/00694 (2013.01); H04N 1/00705 (2013.01); H04N 1/00782 (2013.01); H04N 1/00798 (2013.01); H04N 1/122 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An image reading apparatus comprising:
an image sensor to scan documents;
a document feeder to move loaded documents to a document conveying path onto the image sensor using a single motor,
the document feeder including a pick-up member to use a driving force of the single motor intermittently through a first clutch to move the loaded documents from a tray to the document conveying path, and
the document feeder including a first gear to transfer the driving force of the single motor, a second gear to reduce the transferred driving force of the single motor, and a third gear to axially change the transferred and reduced driving force of the single motor to use the driving force of the single motor intermittently through a second clutch to move the tray loaded with the documents to a side of the pick-up member, and to use sensors to detect the documents in positions spaced on the document conveying path and output signals; and
a processor to control the document feeder and the image sensor to scan the loaded documents, including to control an operation of the first clutch based on the signals of the sensors.