Optical alignment system

Details Optical alignment system Optical alignment system

1988-08-05

1989-11-21

Dzierzynski, P. M.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351210, A61B 314

Patent

active

048818070

ABSTRACT:
An optical alignment system using at least one CCD array for positioning an instrument in a chosen relationship to an object is disclosed. Means for "electronically" aligning the optical components and providing a macro view of the object on a CRT without additional illumination are also disclosed. Alignment may be achieved manually, if the operator observes the position of symbols on a CRT that move in response to movement of the instrument by the operator using a joystick, or automatically using information provided by the array.

REFERENCES:
patent: 4511227 (1985-04-01), Nunokawa et al.
patent: 4678297 (1987-07-01), Ishikawa et al.

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