Distance holder for lens system

Details Distance holder for lens system Distance holder for lens system

2005-09-27

2005-09-27

Dang, Hung Xuan (Department: 2873)

Optical: systems and elements

Lens

With support

C359S819000, C359S820000

Reexamination Certificate

active

06950248

ABSTRACT:
Distance holder for lenses, which in terms of shape or material structure is configured in such a way that it exerts a slight notching effect on lenses on contact surfaces between a distance holder and a lens, so that the lens surface is less easily damaged.

REFERENCES:
patent: 4303306 (1981-12-01), Ookawa
patent: 5601525 (1997-02-01), Okada
patent: 5999344 (1999-12-01), Wulfsberg et al.
patent: 6146326 (2000-11-01), Pollack et al.
patent: 6201649 (2001-03-01), Rudischhauser et al.
patent: 6398723 (2002-06-01), Kehr et al.
patent: 34 31 631 (1986-03-01), None

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