Image reading apparatus having auto document feeder
AssigneeSamsung Electronics Co., Ltd.
InventorYong-kon Jo
Life of this patent
Estimating the term…
Abstract
An image reading apparatus having an auto document feeder includes a simplex path for simplex reading, a duplex path which is distinguishable from the simplex path and conveys a plurality of sheets of paper at different positions in a duplex reading mode, a path selecting element, and a flipping element which allows a second side of paper to be read first. Accordingly, in the duplex reading mode, a separation distance between sheets of paper is reduced, a returning path is reduced, the second side of paper is first read, and the paper is collated and then discharged after both sides of paper are read, thereby significantly improving duplex reading efficiency.
Claims21
An image reading apparatus comprising:
- a scanning module which reads an image from a paper;
- and
- an auto document feeder apparatus which conveys the paper to the scanning module, the auto document feeder apparatus comprising:
- a simplex path, which is a conveying path for the paper while in a simplex reading mode;
- a duplex path, which is distinguishable from the simplex path, and conveys a plurality of sheets of the paper at different positions in a duplex reading mode;
- and
- a path selecting element which opens the simplex path to allow the paper to be conveyed along the simplex path while in the simplex reading mode, and opens the duplex path to allow the papers to be conveyed along the duplex path while in the duplex reading mode.
An image reading apparatus comprising:
- a scanning module which reads an image from a paper;
- and
- an auto document feeder apparatus which conveys the paper to the scanning module, the auto document feeder apparatus comprising:
- a pick-up unit picking up the paper;
- a scanning path on which are located the pick-up unit and the scanning module;
- a bypass path which branches off from the scanning path at a point between the pick-up unit and the scanning module, and which includes a storage which temporarily stores the picked up paper prior to being introduced to the scanning module;
- a path selecting element which opens the bypass path in a duplex reading mode;
- a first flipping element located at the bypass path;
- and
- a second flipping element located at downstream of the scanning module such that the scanning module is between the first and second flipping elements such that the first and second flipping elements flip the paper in the duplex reading mode,
- wherein:
- a first side of the paper is read in a simplex reading mode,
- in the duplex reading mode, the paper is flipped by the first flipping element to read a second side of the paper first, and the paper is re-flipped by the second flipping element to read the first side.
An image reading apparatus comprising:
- a scanning module which reads an image from a print medium;
- and
- an auto document feeder apparatus which conveys the print medium to the scanning module, the auto document feeder apparatus comprising:
- a scanning path on which is located the scanning module;
- a storage path separate from the scanning path and which selectively stores the print medium;
- and
- a controller which, prior to one side of the print medium being read by the scanning module, temporarily stores the print medium in the storage path and reintroduces the print medium from the storage path to the scanning path for the one side to be read by the scanning module, and, after the one side of the print medium is read and prior to the another side being read by the scanning module, does not temporarily store the print medium in the storage path.
An image reading apparatus comprising:
- a scanning module which reads images from corresponding print media;
- and
- an auto document feeder apparatus which conveys the print media to the scanning module, the auto document feeder apparatus comprising:
- a feeder unit which receives the print media collated in a predetermined order;
- a first path for use in orienting each of the print media received from the print media such that the scanning module reads only one of the sides of the print media;
- a second path separate from the first path for use in orienting each of the print media received from the print media such that the scanning module reads only another one of the sides of the print media;
- and
- a controller which controls each print medium to enter each of the first and second paths only once while maintaining the read print media in the predetermined order after the one and another sides have been read by the scanning module.
Dependencies are inferred from the claim text.