US 12,264,919 B2
Head mounted display system
Mark Nichols, Rochester (GB); Owen Edward Jones, New Malden (GB); Daniel Martyn Forrester, New Malden (GB); and Derek Ron Jordan, Rochester Kent (GB)
Assigned to BAE SYSTEMS PLC, London (GB)
Appl. No. 17/296,631
Filed by BAE SYSTEMS plc, London (GB)
PCT Filed Dec. 3, 2019, PCT No. PCT/GB2019/053414
§ 371(c)(1), (2) Date May 25, 2021,
PCT Pub. No. WO2020/115469, PCT Pub. Date Jun. 11, 2020.
Claims priority of application No. 1819895 (GB), filed on Dec. 6, 2018; and application No. 19150822 (EP), filed on Jan. 8, 2019.
Prior Publication US 2022/0026218 A1, Jan. 27, 2022
Int. Cl. G01C 21/20 (2006.01); G06F 3/01 (2006.01); G06T 19/00 (2011.01)
CPC G01C 21/203 (2013.01) [G06F 3/012 (2013.01); G06F 3/013 (2013.01); G06T 19/006 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A head mounted display system for use on a watercraft, the head mounted display system comprising:
circuitry to determine orientation information of the head mounted display system; and
a display configured to superimpose graphical information in a field of view of at least one eye of a user of the head mounted display system, the graphical information based on sensor data and the orientation information, the sensor data provided by at least one data source associated with the watercraft,
wherein the graphical information comprises a head gaze information bar superimposed and fixed to a position in outside scenery around the watercraft such that the head gaze information bar does not move relative to the position in the outside scenery when the user moves their head or when the watercraft moves, the head gaze information bar indicating a bearing the user is currently looking at, and further indicating at least one of: a watercraft marker indicating a bearing of a watercraft located in the outside scenery, and an off-view marker and an indicating arrow indicating that the watercraft located in the outside scenery or other feature of interest is outside of the field of view.