Binocular system with automatic diopter power adjustment

Details Binocular system with automatic diopter power adjustment Binocular system with automatic diopter power adjustment

1992-10-16

1996-11-05

Nguyen, Thong

Optical: systems and elements

Compound lens system

Telescope

359407, 359410, G02B 2300

Patent

active

055723616

ABSTRACT:
In a telescope, the adjustment order is limited so that dioptric power adjustment is made after adjustment of a distance between a pair of optical systems is completed. A pupil distance and a dioptric power correction amount are stored in a memory for every user. When a user uses the telescope, his or her pupil distance and dioptric power correction amount are read out from the memory to automatically make adjustment.

REFERENCES:
patent: 4013340 (1977-05-01), Mukai
patent: 4284325 (1981-08-01), Ishibai
patent: 4293187 (1981-10-01), Ishibai
patent: 4488037 (1984-12-01), Ishibai
patent: 4516840 (1985-08-01), Nakahashi
patent: 4650297 (1987-03-01), Ishibai
patent: 4744648 (1988-05-01), Kab et al.
patent: 5311354 (1994-05-01), Kamiya et al.

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