PATENT CLAIM ANALYSIS

Application Number: 15933185
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-09
Patent Classification: ["358", "488000"]

Abstract:
Provided is a document reading apparatus that is able to determine a document size even when there is a large number of target document sizes to be determined. The diagonal-line-identifying unit identifies a diagonal line for determining size in image data that is read by the scanner. The document-size-determining unit determines document size in either a first determining operation or a second determining operation. The first determining operation is based on determining data that is read by arranging the scanner at a large-size determining position after a second opening/closing detecting sensor detects a closed state after detecting an open state. The second determining operation is based on change in the diagonal line for determining size in determining data that is read while the scanner scans from the large-size determining position after a first opening/closing detecting sensor detects a closed state.

Claim (Index 1):
A document reading apparatus for scanning a document that is placed on a contact glass based on a reference vertex and reading image data while causing a scanner in which a plurality of photoelectric conversion elements are arranged in a main scanning direction to move in a sub scanning direction, comprising:\n a document platen cover on which a diagonal line for determining size having a fixed width is provided on a document-pressing surface that faces the contact glass, and that opens and closes a document placement surface of the contact glass; a first opening/closing detecting unit for detecting the opening or closing of the document platen cover; a second opening/closing detecting unit for detecting whether or not the document platen cover is opened more than a preset threshold angle as an opened state or closed state at the threshold angle; a document-size-determining unit for determining a document size of a document that is placed on the contact glass from among multiple target document sizes to be determined by using determining data that is read by the scanner; and a diagonal-line-identifying unit for identifying the diagonal line for determining size in image data that is read by the scanner; wherein the document-size-determining unit, when the second opening/closing detecting unit detects a closed state after detecting an opened state, executes a first determining operation for determining a document size based on the determining data that is read by arranging the scanner at a size-determining position where it is possible to determine a document size by only the document width in the main scanning direction; and when a document size can not be determined by the first determining operation, the document-size-determining unit, after the first opening/closing detecting unit detects a closed state, executes a second determining operation that causes the diagonal-line-identifying unit to identify the diagonal line for determining size in the determining data that is read while the scanner scans from the size-determining position, and determines a document size based on the change in the diagonal line for determining size.

Metadata:
- Claim Count in Document: 11.0
- Percentile: 90.0
- Lexical Diversity: 2.30159
- Patent Class: 358.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['11557570', '14031598', '11790127', '14995993', '11357188']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.512924101936046
- 35 USC 102 Novelty (BERT): 0.4814309633074412
- Combined Prediction Score: 0.5097747880731855
- Mean Citation Score: 212.69729
- Max Citation Score: 223.07458
- Similarity Product: 183.60647092486727

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test