Optical: systems and elements – Lens – With variable magnification
Reexamination Certificate
2007-08-07
2007-08-07
Ben, Loha (Department: 2873)
Optical: systems and elements
Lens
With variable magnification
C359S694000, C359S699000, C359S700000, C359S822000, C359S823000, C359S825000, C396S072000, C396S085000
Reexamination Certificate
active
11426014
ABSTRACT:
An optical assembly includes a barrel including a slot, a lens installed inside the barrel for magnifying an image, a magnification-adjusting mechanism installed outside and around the barrel including an adjusting loop installed outside the barrel in a rotatable manner including a groove on a side facing the barrel, and a roller installed between the adjusting loop and the barrel. The optical machine further includes a rod for adjusting the magnification of the lens. One end of the rod is installed inside the slot of the barrel in a slidable manner, and another end of the rod is installed inside the groove of the adjusting loop in a slidable manner.
REFERENCES:
patent: 4380378 (1983-04-01), Tamura
patent: 4458990 (1984-07-01), Kawai
patent: 4484800 (1984-11-01), Tamura
patent: 4639083 (1987-01-01), Fuziwara et al.
patent: 4806000 (1989-02-01), Shiokama et al.
patent: 4834514 (1989-05-01), Atsuta et al.
patent: 4865433 (1989-09-01), Okajima et al.
patent: 5293192 (1994-03-01), Akitake et al.
patent: 6507705 (2003-01-01), Kasha
Huang Hsu-Hsin
Liu Hung-Wen
Wang Yen-Lin
Ben Loha
BenQ Corporation
Hsu Winston
LandOfFree
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