Microscope equipped with an electric device for driving revolver

Details Microscope equipped with an electric device for driving revolver Microscope equipped with an electric device for driving revolver

1986-02-13

1987-03-31

Punter, William H.

350507, 350530, G02B 2100, G02B 2126

Patent

active

046538780

ABSTRACT:
A microscope equipped with an electric device for driving a revolver and a stage, having a means capable of rotating the revolver to interchange an objective only when a stage is lowered by a constant amount, a means capable of changing the movement speed of the stage for focusing in accordance with the magnification of the objective brought into a light path, and a means capable of restoring to an original position after the stage is once lowered to a lower limit position in order to be able to focus simply and rapidly and perform securely the interchange of the objective and the like. The electric device involves a step motor and, except when the stage is being driven, the connection between the motor and the stage is released so that the stage may be easily controlled by a manual operation.

REFERENCES:
patent: 3873189 (1975-03-01), Whitaker et al.
patent: 4067031 (1978-01-01), Enomoto
patent: 4241251 (1980-12-01), Yonekubo
patent: 4364630 (1982-12-01), Hayasaka
Benedetti et al., "`Cytocon`: A Micro-Processor-Scope", Conf: Proc. IFD-IMIA (TC4) Working Conf. Rome, Italy, 6-8 Feb. 1980, pp. 127-134.
Kraft, W., "The New Accommodation Focusing Control in the Leitz HM-LUX3", Leitz Sci & Tech. Inf. (Germany) 6-1979, pp. 182-183.
Mason et al., "A Computerised Microscope Focusing Technique" Microscope Acta, 11-1976, pp. 439-448.

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