Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1988-04-21
1990-01-16
Bovernick, Rodney B.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
351158, 350145, A61B 310, G02C 100
Patent
active
048939196
ABSTRACT:
A head supported optical suspension system is provided and consists of an optical device carried in a support frame assembly attached to a suspension unit which is dependent on each side of a headband worn on a head of a person so that hands of the person are free to do other work and in addition, the elimination of hand tremors, which are subject to great magnification by the optical device.
REFERENCES:
patent: 2935910 (1960-05-01), Schmidt
Bovernick Rodney B.
Kroll Michael I.
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