Image display apparatus

Details Image display apparatus Image display apparatus

1996-04-16

1998-11-24

Luu, Matthew

Computer graphics processing and selective visual display system

Image superposition by optical means

Operator body-mounted heads-up display

345 7, G09G 500

Patent

active

058414096

ABSTRACT:
An HMD is provided with two piezoelectric vibrating gyros which detect vertical and horizontal angular velocities, and a horizontal sensor which detects a vertical angle. While the user's head rotates, shooting direction of a three-dimensional camera is varied in accordance with the angles obtained by integration of the detected angular velocities. While the head is stationary, the obtained vertical angle and the output of the gyro is corrected based on the angle detected by the horizontal sensor. The shooting direction of the camera can be manually set irrespective of the direction of the head, and information on the viewing direction is displayed together with a taken image.

REFERENCES:
patent: 2956156 (1960-10-01), Heilig
patent: 4722601 (1988-02-01), Mcfarlane
patent: 5343313 (1994-08-01), Fergason
patent: 5388990 (1995-02-01), Beckman
patent: 5491510 (1996-02-01), Gove

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