Optical: systems and elements – Lens – With viewed object or viewed field illumination
Patent
1992-01-31
1993-11-30
Housel, James C.
Optical: systems and elements
Lens
With viewed object or viewed field illumination
359385, 359800, 359804, 359390, 422 8205, G02B 2100
Patent
active
052670872
ABSTRACT:
A portable diagnostic apparatus for the examination of biological material, in particular for the self-examination of a specimen containing substances which differ as a function of ovulation. The housing of the apparatus is designed such that the apparatus is of a size which allows the examining apparatus to be carried in the pockets of articles of clothing.
REFERENCES:
patent: 2892274 (1959-06-01), Afton
patent: 3582181 (1969-06-01), Dolores
patent: 4505555 (1985-03-01), Piller et al.
patent: 4815835 (1989-03-01), Corona
patent: 5062699 (1991-11-01), Hitchell
Housel James C.
Tran Lien
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