The electromotively adjustable focusing system of claim 1, further including means for indicating the position of the object stage, the indicating means providing a signal that cancels the coarse adjustment signal when the object stage cannot safely be coarsely adjusted.ħ.
The electromotively adjustable focusing system of claim 4, wherein the manual control means further includes a switch, the switch being opened or closed in response to the axial movement of the knob to provide respectively to the motor a fine or a coarse adjustment signal.Ħ. Means for applying the selectively generated electrical signals to the electromotive moving means, whereby the microscope is, in response, respectively coarsely or finely focussed, wherein the manual control means is a knob capable of simultaneous or separate rotation and axial movement, the rotation of the knob controlling the direction of movement of the object stage and the axial movement of the knob selectively causing course or fine focusing.ĥ. Means for manually controlling the output of the electrical signal generating means and Means for generating selective electrical signals, such signals causing either coarse or fine adjustment of the microscope Means for electromotively moving the object stage, and thereby, focusing the microscope An electromotively adjustable focusing system, for a microscope comprising:Īn adjustable microscope objective stage The electromotively adjustable focusing system of claim 1, wherein the electromotive moving means is an electric motor.Ĥ. The electromotively adjustable focusing system of claim 1, wherein the generator comprises a tacho-generator.ģ.
Means for applying the selectively generated electrical signals to the electromotive moving means, whereby the microscope is, in response, respectively coarsely or finely focussed.Ģ.
Means for manually controlling the output of the generator, said generator producing electrical signals proportional to the degree of movement of said manual control means and Means for electromotively moving the object stage and, thereby, focusing the microscope Ī generator for generating selective electrical signals, such signals causing either coarse or fine adjustment of the microscope An electromotively adjustable focusing system for a microscope comprising:
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