Optical: systems and elements – Polarization without modulation – Polarization by scattering
Patent
1992-04-21
1993-11-09
Lerner, Martin
Optical: systems and elements
Polarization without modulation
Polarization by scattering
359500, 359501, 362 19, G02B 530, G02B 2728, F21V 914
Patent
active
052608271
ABSTRACT:
A glare shield attachable to multiple optical devices or for hand held use is disclosed including two ring shaped housing members each carrying a polarizing element with one ring member rotatably mounted co-axially inside the other ring member. One of the housing ring members includes a hook and loop fastener for attachment to a ring type magnifier and a twistable, flexible positionable arm having a clamp for attachment to other types of optical devices.
REFERENCES:
patent: H1154 (1993-03-01), Gibson et al.
patent: 2005426 (1935-06-01), Land
patent: 2018963 (1935-10-01), Land
patent: 2078181 (1937-04-01), Land
patent: 2152513 (1939-03-01), West
patent: 2263684 (1941-11-01), Ryan
patent: 2298059 (1942-10-01), Land
patent: 2313831 (1943-03-01), Martin
patent: 2494543 (1950-01-01), Clarke
patent: 2554864 (1951-05-01), Lloyd
patent: 2624236 (1953-01-01), Kirkpatrick et al.
patent: 2688900 (1954-09-01), Silverman
patent: 2705318 (1955-03-01), Hallerberg
patent: 3171883 (1965-03-01), Jones
patent: 3281965 (1966-11-01), Irwin
patent: 3368652 (1968-02-01), Klatchko
patent: 3466129 (1969-09-01), Agatsuma et al.
patent: 3473867 (1969-10-01), Byrnes
patent: 3511211 (1970-05-01), Horne et al.
patent: 3521940 (1970-07-01), Heckman, Jr.
patent: 3535805 (1970-10-01), Peiperl
patent: 3567309 (1971-03-01), Jasgur
patent: 3711182 (1973-01-01), Jasgur
patent: 3841730 (1974-10-01), Karelitz
patent: 4697890 (1987-10-01), Crookston
patent: 4759615 (1988-07-01), Bainbridge et al.
Pp. 1760 and 1762 from 1989 Edition of McMaster Carr cataloge.
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