Sheet original conveying apparatus and image forming apparatus with it
AssigneeCanon Kabushiki Kaisha
InventorsNobutaka Uto, Masataka Naito
Life of this patent
Estimating the term…
Abstract
A sheet original conveying apparatus conveys a sheet original to a reading position where an image on the sheet original is read. The apparatus have a conveying device for intermittently conveying the sheet original so that images on the sheet original may be read while conveying the sheet original without stopping the sheet original on a platen, and control device for controlling the conveying device to convey the sheet original in such a manner that convey intervals for an initial several pages of the sheet original become greater than a normal convey interval for the remaining pages of the original sheet.
Claims20
A sheet original conveying apparatus for conveying a sheet original to a reading position where an image on the sheet original is read, comprising:
- convey means for conveying a sheet original across a platen, images on the sheet original being read at a reading position while the sheet original is conveyed across the platen;
- control means for controlling said convey means to convey the sheet original in a manner such that a first convey interval for a number of initial pages of the sheet original is greater than a second convey interval for remaining pages of the sheet original;
- and
- change means for changing a length of the first sheet convey interval.
A sheet conveying and reading apparatus for conveying a sheet original to a reading position where an image on the sheet original is read, comprising:
- convey means for conveying a sheet original to a reading position;
- reading means for reading at the reading position an image on a sheet original conveyed by said convey means;
- a temporary stop button for temporarily stopping a conveyance of the sheet original;
- and
- a re-start button for re-starting conveyance and reading of a sheet original temporarily stopped by said temporary stop button.
A sheet original conveying apparatus for conveying a sheet original to a reading position where an image on the sheet original is read, comprising:
- convey means for conveying the sheet original to the reading position;
- pause control means for automatically stopping a conveyance of the sheet original when a preset number of sheet originals have been conveyed, and thereafter for re-starting a conveyance of the sheet original after a predetermined time interval has elapsed;
- and
- means for setting the preset number of sheet originals.
An image forming apparatus having a sheet original conveying apparatus for conveying a sheet original to a reading position where an image on the sheet original is read, comprising:
- convey means for conveying a sheet original across a platen, images on the sheet original being read at the reading position while the sheet original is conveyed across the platen;
- control means for controlling said convey means to convey the sheet original in a manner such that a first convey interval for a number of initial pages of the sheet original is greater than a second convey interval for remaining pages of the sheet original;
- change means for changing a length of the first sheet convey interval;
- and
- image forming means for forming a read image of the sheet original on a sheet member.
An image forming apparatus including a sheet original conveying and reading apparatus, for conveying a sheet original to a reading position where an image on the sheet original is read, comprising:
- convey means for conveying a sheet original to a reading position;
- reading means for reading at the reading position an image on a sheet original conveyed by said convey means;
- a temporary stop button for temporarily stopping a conveyance of the sheet original;
- a re-start button for re-starting conveyance and reading of a sheet original temporarily stopped by said temporary stop button;
- and
- image forming means for forming a read image of the sheet original on a sheet member.
An image forming apparatus having a sheet original conveying apparatus for conveying a sheet original to a reading position where an image on the sheet original is read, comprising:
- convey means for conveying the sheet original to the reading position;
- pause control means for automatically stopping a conveyance of the sheet original when a preset number of sheet originals have been conveyed, and thereafter for re-starting a conveyance of the sheet original after a predetermined time interval has elapsed;
- means for setting the preset number of sheet originals;
- and
- image forming means for forming a read image of the sheet original on a sheet member.
A sheet original conveying apparatus for conveying a sheet original to a reading position where an image on the sheet original is read, comprising:
- conveying means for conveying a sheet original across a platen, images on said sheet original being read at a reading position while the sheet original is conveyed across the platen;
- control means for controlling said convey means to convey the sheet original in a manner such that a first convey interval for a number of initial pages of the sheet original is greater than a second convey interval for remaining pages of the sheet original;
- and
- change means for changing a number of initial pages to be conveyed.
An image forming apparatus for forming an image on a sheet original by reading it during conveyance thereof, comprising:
- convey means for conveying a sheet original across a platen, images on said sheet original being read at a reading position while the sheet original is conveyed across the platen;
- control means for controlling said convey means to convey the sheet original in a manner such that a first convey interval for a number of initial pages of the sheet original is greater than a second convey interval for remaining-pages of the sheet original;
- change means for changing the number of initial pages to be conveyed;
- and
- image forming means for forming an image on the sheet original conveyed by said convey means.
Dependencies are inferred from the claim text.