PATENT CLAIM ANALYSIS

Application Number: 15758762
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2019-02
Patent Classification: ["345", "156000"]

Abstract:
A method and apparatus are provided for determining the orientation of an object relative to a moving or moveable platform. The object may for example be a helmet worn by a pilot of an aircraft in which orientation of the helmet relative the aircraft while in flight may usefully be known, in particular when determining the position of space-stabilised symbols being displayed in an associated helmet-mounted digital display system. The method and apparatus rely upon a combination or orientation rate data output by an inertial sensor arrangement associated with the object and orientation data output by a non-inertial tracker system associated with the object. Orientation data of the moveable platform is also used to reference the non-inertial tracker output to inertial space. A correction to the rate data output by the inertial sensor arrangement is determined using rate data derived from data output by the non-inertial tracker referenced to inertial space using orientation data of the moveable platform in inertial space. The corrected rate data are used to determine a predicted orientation for the object at some future time to take account of latency in the tracker process and in any user process relying upon the output of the method, for example a digital helmet-mounted display system displaying space-stabilised symbols.

Claim (Index 9):
The tracker system according to  claim 4 , further comprising a first filter component, arranged to receive a sample of rate data output by the inertial sensor arrangement during a tracker cycle period and to calculate for the received sample, and to output, a single measure of rate data representative of output by the inertial sensor arrangement during the tracker cycle.

Metadata:
- Claim Count in Document: 59.0
- Percentile: 90.0
- Lexical Diversity: 2.47727
- Patent Class: 345.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['10762810', '15767222', '15767561', '13013926', '15034624']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6435639683299852
- 35 USC 102 Novelty (BERT): 0.4979579232566875
- Combined Prediction Score: 0.6290033638226554
- Mean Citation Score: 207.492128
- Max Citation Score: 219.49348
- Similarity Product: 142.1804645958376

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