PATENT CLAIM ANALYSIS

Application Number: 15879264
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-05
Patent Classification: ["345", "158000"]

Abstract:
An operation method of an optical touch device includes: emitting, by a light emitting unit, a light beam to illuminate an object; capturing, by an image sensing device, an image of the object reflecting the light beam; selecting all pixels in the image having a brightness greater than or equal to a brightness threshold; sorting the selected pixels along a first coordinate axis of the image, a second coordinate axis of the image or based a pixel brightness; selecting the top first predetermined ratio of pixels from the sorted pixels as an object image of the object; and calculating a gravity center of the object image according to positions of the top first predetermined ratio of pixels or according to the positions of the top first predetermined ratio of pixels with a weight of pixel brightness. An optical touch device is also provided.

Claim (Index 5):
The optical touch device according to  claim 2 , wherein the processing circuit is further configured to calculate a movement vector of the cursor based on a result of multiplying a position of the gravity center relative to a center point in the image by a second predetermined ratio.

Metadata:
- Claim Count in Document: 50.0
- Percentile: 86.0
- Lexical Diversity: 2.4375
- Patent Class: 345.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['12983366', '14195824', '14567178', '14961210', '13900503']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6625558128626177
- 35 USC 102 Novelty (BERT): 0.483395265606941
- Combined Prediction Score: 0.64463975813705
- Mean Citation Score: 182.248966
- Max Citation Score: 200.0004
- Similarity Product: 148.64108488304615

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

Dataset: test