Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1986-10-10
1988-09-06
Bovernick, Rodney B.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
A61B 310
Patent
active
047688750
ABSTRACT:
A light section is generated on the object with an arrangement for the contactless section-like form measurement of curved surfaces by means of an optical detector functioning in a raster-like manner. The light section is received at an angle inclined to the viewing axis by an anamorphotic system and imaged onto a receiver.
REFERENCES:
patent: 4019813 (1977-04-01), Cornsweet et al.
Bovernick Rodney B.
Carl-Zeiss-Stiftung
Dzierzynski P. M.
Ottesen Walter
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