Claims
- 1. In visual apparatus of the type wherein a two-dimensional display is produced through giving the appearance of cyclical motion to the virtual image of the light from each member of a row of lights by passing the light through a rotating prism and selectively turning each light "on" and "off" during portions of said motion in accordance with a pattern to be displayed;
- the distortion compensating improvement comprising:
- means for precorrecting light signal "on" and "off" timing apparatus synchronized with rotation of said prism said precorrecting apparatus including sensible means angularly spaced with respect to said virtual image travel during passage of a facet of said prism to accommodate for the apparent change inmovement rate of said virtual image to the eye of the observer as said image traverses portions of said cyclical motion.
- 2. The apparatus of claim 1 wherein said synchronization of said light signal apparatus means is mounted on the shaft of rotation of said prism.
- 3. The apparatus of claim 2 wherein said precorrecting signal means is optically sensible marks.
Parent Case Info
This is a continuation of application Ser. No. 755,886 filed Dec. 30, 1976, now abandoned.
US Referenced Citations (20)
Non-Patent Literature Citations (3)
Entry |
Laser Display Technology, Baker, 12/78, IEEE Spectrum, pp. 39-50. |
Experimental Laser Display, 1/66, Texas Instruments Bull. No. DLA-1324. |
A Scanned GaAsP Display System, Eales IEE Conf. Publ. #80, pp. 103-108, 1971. |
Continuations (1)
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Number |
Date |
Country |
Parent |
755886 |
Dec 1976 |
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