Document reading apparatus

Details Document reading apparatus Document reading apparatus

1997-04-28

1999-09-21

Au, Arnelia

Facsimile and static presentation processing

Facsimile

Synchronization

358296, 358496, 358498, 358408, H04N 136

Patent

active

059561521

ABSTRACT:
A document reading apparatus is provided with a feed roller that feeds a document in its feeding direction while making contact therewith, a rotation driving power source that rotationally drives the feed roller, and a power transmitting mechanism enabled to transmit rotational driving power from the rotation driving power source to the feed roller. Two driving paths, each having a reduction ratio different from the other corresponding to two resolutions, are provided at at least one part of the power transmitting mechanism and a planetary gear for selecting one of the driving paths as a transmitting path of the aforesaid rotational driving power is provided at a branch point of the power transmitting mechanism. Which resolution to select is determined and selection of the driving path is controlled by a selector based on the result of the determination.

REFERENCES:
patent: 4095248 (1978-06-01), Kolker et al.
patent: 4360840 (1982-11-01), Wolfrum et al.
patent: 5038222 (1991-08-01), Saito
patent: 5537219 (1996-07-01), Morikawa et al.
patent: 5579129 (1996-11-01), Iwata et al.
patent: 5691826 (1997-11-01), Yeh et al.
patent: 5798841 (1998-08-01), Takahashi

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