Optical system for rangefinding devices

Details Optical system for rangefinding devices Optical system for rangefinding devices

1988-09-06

1989-09-12

Arnold, Bruce Y.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356 1, G02B 1318, G01C 300

Patent

active

048654353

ABSTRACT:
An optical lens system for a rangefinding device consists of from the object end a first lens with a convex surface directed to the other end and a second meniscus lens with a convex surface directed to the object end. The optical lens system has at least an aspheric surface on the image end surface of the second meniscus lens.

REFERENCES:
patent: 4330202 (1982-05-01), Yokota
patent: 4483613 (1984-11-01), Yokota
patent: 4525040 (1985-06-01), Nakamura
patent: 4595264 (1986-06-01), Nakamura
patent: 4645311 (1987-02-01), Rothe

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