Optical: systems and elements – Compound lens system – With relay
Patent
1994-06-28
1999-05-04
Nguyen, Thong
Optical: systems and elements
Compound lens system
With relay
359362, 359434, G02B 1700, A61B 100
Patent
active
059009713
ABSTRACT:
A low cost optical viewing device includes an objective lens section, a relay lens section and an eye piece section. The relay lens section is devoid of glass rods and includes a minimal number of lenses each preferably fabricated from plastic material. The illumination system includes a plurality of optical fibers also preferably fabricated from plastic material.
REFERENCES:
patent: 2245257 (1941-06-01), Crumrine
patent: 2266169 (1941-12-01), Crumrine
patent: 2304984 (1942-12-01), Wood
patent: 2341364 (1944-12-01), Crumrine
patent: 2388893 (1945-11-01), Wood
patent: 2482971 (1949-09-01), Golson
patent: 2828669 (1958-04-01), Peckham
patent: 3089484 (1963-05-01), Hett
patent: 3257902 (1966-06-01), Hopkins
patent: 3297022 (1967-01-01), Wallace
patent: 3414344 (1968-12-01), Mukollmar
patent: 3484148 (1969-12-01), Gotoh
patent: 3556085 (1971-01-01), Takahashi
patent: 3677262 (1972-07-01), Zukowski
patent: 3784287 (1974-01-01), Grey
patent: 3888568 (1975-06-01), Norris et al.
patent: 3903877 (1975-09-01), Terada
patent: 3941121 (1976-03-01), Olinger et al.
patent: 4025155 (1977-05-01), Imai
patent: 4036218 (1977-07-01), Yamashita et al.
patent: 4076018 (1978-02-01), Heckle
patent: 4148550 (1979-04-01), MacAnally
patent: 4148551 (1979-04-01), MacAnally
patent: 4157216 (1979-06-01), Plummer
patent: 4159546 (1979-07-01), Shearing
patent: 4168882 (1979-09-01), Hopkins
patent: 4258982 (1981-03-01), Skinner et al.
patent: 4267828 (1981-05-01), Matsuo
patent: 4273110 (1981-06-01), Groux
patent: 4281646 (1981-08-01), Kinoshita
patent: 4300812 (1981-11-01), Nakahashi
patent: 4319563 (1982-03-01), Kubota
patent: 4354730 (1982-10-01), Bel
patent: 4385810 (1983-05-01), Hamou
patent: 4392485 (1983-07-01), Hoogland
patent: 4403273 (1983-09-01), Nishioka
patent: 4497550 (1985-02-01), Ouchi et al.
patent: 4545652 (1985-10-01), Hoogland
patent: 4574783 (1986-03-01), Kazuhrio et al.
patent: 4575195 (1986-03-01), Hoogland
patent: 4608966 (1986-09-01), Hoogland
patent: 4664486 (1987-05-01), Landre et al.
patent: 4676606 (1987-06-01), Takahashi
patent: 4693568 (1987-09-01), Takahashi
patent: 4704007 (1987-11-01), Landre et al.
patent: 4709985 (1987-12-01), Takeuchi
patent: 4723843 (1988-02-01), Zobel
patent: 4765313 (1988-08-01), Kamakura
patent: 4784118 (1988-11-01), Fantone et al.
patent: 4826154 (1989-05-01), Oxford et al.
patent: 4869238 (1989-09-01), Opie et al.
patent: 4878485 (1989-11-01), Adair
patent: 4919112 (1990-04-01), Siegmund
patent: 4946267 (1990-08-01), Hoogland
patent: 4964710 (1990-10-01), Leiner
patent: 4993817 (1991-02-01), Hoogland
patent: 5005960 (1991-04-01), Heimbeck
patent: 5020893 (1991-06-01), Karst et al.
patent: 5046816 (1991-09-01), Lehmann et al.
patent: 5059009 (1991-10-01), McKinely
patent: 5188092 (1993-02-01), White
patent: 5359453 (1994-10-01), Ning
patent: 5369525 (1994-11-01), Bala et al.
Warren J. Smith, Moderan Optical Engineering, pp. 159, 160 (1966).
The Handbook of Plastic Optics, 2nd Edition, pp. 56-93 (1983).
Thomas Aquilina, David Richards and Harvey Pollicove, Technology Trends, Sep. 1968, Photonic Spectras.
Harvey Pollicove and Thomas Aquilina, Injection Mounting, Dec. 1987, Photonics Spectra.
John D. Lytle, Specifying Glass and Plastic Optics What's the Difference?, 1979 SPIE vol. 181 Contemporary Optical Systems & Components Specifications.
Harold H. Hopkins, Optical Principles of the Endoscope, 1976.
Nguyen Thong
United States Surgical Corporation
LandOfFree
Optical viewing device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Optical viewing device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical viewing device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1873784