Multibeam bidirectional raster scanning in retinal scanning displays

Karlton D. Powell; Hakan Urey; Mircea M. Bayer

doi:10.1117/12.438009

22 August 2001 Multibeam bidirectional raster scanning in retinal scanning displays

Karlton D. Powell; Hakan Urey; Mircea M. Bayer

Author Affiliations +

Proceedings Volume 4361, Helmet- and Head-Mounted Displays VI; (2001) https://doi.org/10.1117/12.438009
Event: Aerospace/Defense Sensing, Simulation, and Controls, 2001, Orlando, FL, United States

Abstract

A Retinal Scanning Display (RSD) utilizes scanning mirrors and optics to produce a flying spot that forms a raster image directly on the retina of the eye. A high-frequency resonant horizontal scanner and a linear ramp vertical scanner function together to produce video typically at a 60Hz frame rate. Although the raster can be formed by Unidirectional Writing (using only the forward half-period of the horizontal scan function) and one flying spot, it is desirable to achieve Bidirectional Writing (utilizing the full period of the Horizontal scan function) with multiple scanned spots for the purpose of increased efficiency of the display with a limited horizontal scanner frequency. This paper will look at the limitations and requirements for the scanning functions to make this possible.

Citation Download Citation

Karlton D. Powell, Karlton D. Powell, Hakan Urey, Hakan Urey, Mircea M. Bayer, Mircea M. Bayer, } "Multibeam bidirectional raster scanning in retinal scanning displays", Proc. SPIE 4361, Helmet- and Head-Mounted Displays VI, (22 August 2001); doi: 10.1117/12.438009; https://doi.org/10.1117/12.438009

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