Illuminated cursor magnifying glass

Details Illuminated cursor magnifying glass Illuminated cursor magnifying glass

1990-05-09

1992-07-21

Ben, Loha

Optical: systems and elements

Lens

With viewed object or viewed field illumination

359810, 359827, 362 31, 362109, G02B 2702

Patent

active

051328496

ABSTRACT:
A cursor magnifying glass arrangement has a support body for holding a magnifying glass body having a cylindrical portion and a lens section. The cylindrical portion is rotationally symmetrical with respect to the cylindrical axis and is convexly curved. An evaluation coil is disposed coaxially to the cylindrical portion. The lens body is removably, preferably interconnectedly, supported in the support body, and the evaluation coil is fixed on the support body radially outside of the path of the edge light beam of the lens section.

REFERENCES:
patent: 3500034 (1970-03-01), Bissell
patent: 3604919 (1971-09-01), MacPherson
patent: 3663096 (1972-05-01), Fuller
patent: 4062030 (1977-12-01), Starp
patent: 4479032 (1984-10-01), Parnell
patent: 4526440 (1985-07-01), Lundburg et al.
patent: 4693554 (1987-09-01), Cordes
patent: 4763986 (1988-08-01), Sego
patent: 5021933 (1991-06-01), Cordes

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