PATENT CLAIM ANALYSIS

Application Number: 16203512
Application Type: Utility
Filing Date: 2018-11
Publication Date: 2019-04
Patent Classification: ["345", "008000"]

Abstract:
A method and apparatus for self-relative body tracking in virtual reality systems using magnetic tracking is disclosed, which allows more accurate tracking of a user's body relative to the user's field of vision. A head-mounted magnetic tracking (HMMT) system is used, in which other parts of a user's body are tracked relative to the HMD on the user's head, rather than relative to a base station. This results in less distortion of the magnetic field used for tracking and thus allows for more accurate determination of the position and orientation of a user's body parts relative to the user's field of vision, so that a more accurate avatar may be presented on the HMD to the user. This allows the avatar of the user's body part to be shown in a location that corresponds closely to its physical position. In an alternative embodiment, multiple portions of the user's body may be tracked.

Claim (Index 1):
A system for displaying the motion of first user to a second user, comprising:\n a magnetic tracking system comprising a plurality of source magnetic coils configured to generate a magnetic field and a plurality of sensor magnetic coils configured to sense the magnetic field, one of the pluralities of magnetic coils configured to be attached to the first user's torso and the other plurality of magnetic coils configured to be attached to a limb of the first user; and a processor configured to:\n determine the position and orientation of the first user's limb relative to the first user's torso using information from the magnetic tracking system; and \n generate and output instructions to display to the second user on a display device an avatar of the first user, the avatar of the first user having a virtual torso and a virtual limb in an apparent relative position and orientation corresponding to the actual relative physical position and orientation of the first user's torso and limb.

Metadata:
- Claim Count in Document: 5.0
- Percentile: 98.0
- Lexical Diversity: 2.29333
- Patent Class: 345.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['14797734', '11463776', '14793729', '14793731', '11203588']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6308642336976057
- 35 USC 102 Novelty (BERT): 0.5198527847181615
- Combined Prediction Score: 0.6197630887996612
- Mean Citation Score: 206.32583
- Max Citation Score: 330.9313
- Similarity Product: 258.6560613753796

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