Arrangement in operation switches of microscope

Details Arrangement in operation switches of microscope Arrangement in operation switches of microscope

1989-04-17

1991-03-19

Henry, Jon W.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

350507, 200 52R, G02B 2126, G02B 2106, G02B 2100

Patent

active

050005553

ABSTRACT:
A microscope comprises a housing, a stage shiftably arranged on the housing, a shifting device including an operation handle to be rotated by an operator with respect to a shaft provided on the housing and a transmitting mechanism for shifting the stage in response to rotation of the handle, an electric circuit means and an input means for inputting commands to the electric circuit means. The input means includes at least one operation switch arranged on a surface of the housing at a position where the operator's finger can reach the switch without the operator removing his hand from the handle.

REFERENCES:
patent: 4240708 (1980-12-01), Bell
patent: 4299440 (1981-11-01), Hodgson
patent: 4445758 (1984-05-01), Emmel
patent: 4770518 (1988-09-01), Emmel

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