Computer graphics processing and selective visual display system – Image superposition by optical means – Operator body-mounted heads-up display
Patent
1995-12-18
1998-04-21
Wu, Xiao
Computer graphics processing and selective visual display system
Image superposition by optical means
Operator body-mounted heads-up display
345 9, 345 7, G09G 500
Patent
active
057422630
ABSTRACT:
A head mounted display system includes a frame that can be worn on a user's head wherein the frame supports a display and an optical system that projects an enlarged image of video information depicted on the display at a distance from the user. Also mounted on the frame so as to form an integral part of the head mounted display system is a barcode sensor for detecting one or more barcodes in the field of view thereof. A processor of the head mounted display system decodes barcodes detected by the sensor and determines the location of detected barcodes within the sensor's field of view. The processor utilizes the decoded barcode values and locations to control the video information depicted on the display for head tracking purposes or the like. The head mounted display system of the present invention has applications in both augmented field of view and virtual reality applications.
REFERENCES:
patent: 4884219 (1989-11-01), Waldren
patent: 5322441 (1994-06-01), Lewis et al.
patent: 5491510 (1996-02-01), Gove
patent: 5579026 (1996-11-01), Tabata
patent: 5596340 (1997-01-01), Otomi
O'Hagan Timothy P.
Wang Ynjiun P.
Telxon Corporation
Wu Xiao
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