Apparatus and method for projecting and receiving image informat

Details Apparatus and method for projecting and receiving image informat Apparatus and method for projecting and receiving image informat

1994-12-14

1996-06-25

Sikes, William L.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351205, 351221, A61B 314

Patent

active

055304958

ABSTRACT:
A device for the projection of image information comprises at least one screen 1,2 on which the image information can be displayed using a plurality of individual light spots 3,4,5. The viewer of the screen 1,2 and particularly his eye movements, can be observed by assigning a light-sensitive sensor to each light spot 6,7,8 of a certain number of light spots 6,7,8. The light sensitive sensors are connected to an evaluating device.

REFERENCES:
patent: 3827789 (1974-08-01), Molner et al.
patent: 4568159 (1986-02-01), Baldwin
patent: 4988183 (1991-01-01), kasahara et al.
patent: 5094521 (1992-03-01), Jolson et al.
patent: 5270748 (1993-12-01), Katz

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