Binocular

Details Binocular Binocular

1998-01-08

1999-12-28

Nguyen, Thong

Optical: systems and elements

Compound lens system

Telescope

359407, 359600, 359610, G02B 2300, G02B 2316

Patent

active

060089377

ABSTRACT:
A binocular includes first and second telescope systems, a focus adjustment mechanism and a diopter correction mechanism. The binocular is further provided with a shielding mechanism which selectively shields one of the telescope systems in response to a switch, and a locking mechanism which selectively locks one of the focus adjustment mechanism and the diopter correction mechanism in response to the switch.

REFERENCES:
patent: 505000 (1893-09-01), Price
patent: 3045527 (1962-07-01), Billi
patent: 3737567 (1973-06-01), Kratomi
patent: 5212591 (1993-05-01), Funathu
patent: 5264877 (1993-11-01), Hussey
patent: 5267079 (1993-11-01), Riedl
patent: 5572361 (1996-11-01), Kamiya et al.
patent: 5581399 (1996-12-01), Abe
patent: 5677789 (1997-10-01), Funatsu

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