Image reading apparatus
AssigneeCanon Kabushiki Kaisha
InventorShoko Magata
Life of this patent
Estimating the term…
Abstract
An image reading apparatus including an image reading portion reading an image of an original placed on an original stand; an original cover pressing the original on the original stand; a plurality of hinge portions pivotally supporting the original cover with respect to the image reading portion; a plurality of opening and closing drive portions arranged in the plurality of hinge portions, respectively to open-drive and close-drive the original cover; and a control portion open-driving and close-driving the plurality of opening and closing drive portions based on different drive profiles, respectively.
Claims8
An image reading apparatus comprising:
- an image reading portion configured to read an image of an original placed on an original stand;
- an original cover pressing the original on the original stand;
- a plurality of hinges pivotally supporting the original cover on the image reading portion;
- a plurality of drive portions configured to drive the plurality of hinges, respectively, to open and close the original cover;
- and
- a control portion configured to control the plurality of drive portions based on drive profiles respectively corresponding to the plurality of drive portions,
- wherein each of the drive profiles relates to a value of current depending on a load change applied to each of the plurality of drive portions while the original cover is opened up or closed down.
Dependencies are inferred from the claim text.