Imaging lens system

Details Imaging lens system Imaging lens system

1997-01-21

1998-05-05

Ben, Loha

Optical: systems and elements

Lens

With support

359819, 359823, G02B 702

Patent

active

057483906

ABSTRACT:
An imaging lens system comprises an axial support section, such as a support hole, a notch, and a guide sleeve, integrally formed with a lens and arranged generally within the maximum diameter of the lens but outside an effective area of the lens through which an imaging light is transmitted. The imaging lens system also comprises a guide shaft that slidably supports the axial support section for a advancing and recessing motion of the lens. The area outside the imaging light transmitting area is effectively used. A small component count, compact and low-cost design is implemented in the imaging lens system.

REFERENCES:
patent: 3205774 (1965-09-01), Estes
patent: 4787720 (1988-11-01), Fukita et al.
patent: 5150260 (1992-09-01), Chigira
patent: 5161061 (1992-11-01), Ihara et al.
patent: 5249082 (1993-09-01), Newman
patent: 5461444 (1995-10-01), Okura et al.
patent: 5642235 (1997-06-01), Ichikawa
patent: 5680260 (1997-10-01), Farcella et al.

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