Electric revolver apparatus of microscope

Details Electric revolver apparatus of microscope Electric revolver apparatus of microscope

1995-05-15

1998-02-17

Nguyen, Thong

Optical: systems and elements

Compound lens system

Microscope

359391, 359392, 359393, 359384, 359821, 359827, 2502013, G02B 2100, G02B 2126, G02B 702

Patent

active

057196990

ABSTRACT:
An electric revolver apparatus of a microscope comprises a revolver holding a plurality of objective lenses, a drive device for driving and braking the revolver based on a command signal from the outside of the electric revolver apparatus, a detection device for detecting a predetermined amount of rotation of the revolver and outputting a detection signal to brake the drive device, and a delay circuit for delaying the detection signal for a predetermined period of time and outputting it to the outside to delay the brake starting time of the drive device based on the command signal from the outside.

REFERENCES:
patent: 3634689 (1972-01-01), Ejiri et al.
patent: 4001885 (1977-01-01), Ikushima
patent: 4486078 (1984-12-01), Hashimoto et al.
patent: 4643540 (1987-02-01), Kawasaki et al.
patent: 4653878 (1987-03-01), Nakasato et al.
patent: 4946265 (1990-08-01), Shimizu et al.
patent: 5517353 (1996-05-01), Ikoh et al.

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