Optical: systems and elements – Lens – With reflecting element
Patent
1998-06-05
1999-11-30
Sugarman, Scott J.
Optical: systems and elements
Lens
With reflecting element
359642, G02B 1700
Patent
active
059953047
ABSTRACT:
A plastic lens has a flange provided with a reflecting plane, so that its inclination upon assembling can be detected and adjusted efficiently and accurately. This plastic lens has the flange at an outer periphery of an optically functioning portion. A surface of the flange surrounding the optically functioning portion is a reflecting plane perpendicular to an optical axis of the optically functioning portion.
REFERENCES:
patent: 5198916 (1993-03-01), Kim
patent: 5408360 (1995-04-01), Nakanishi
patent: 5883709 (1997-08-01), Okuda
Fukuda Masaaki
Ito Takashi
Nomura Yoshimitsu
Yagi Kaneyoshi
Fuji Photo Optical Co., Ltd.
Lee Y. Timothy
Sugarman Scott J.
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