Generator for producing rectilinear vibrations at a controlled velocity especially for use in Mossbauer spectrometery

Claim 1

A generator for producing rectilinear vibrations at a controlled velocity, of the type comprising a driving unit formed by a stationary permanent magnet and by a driving electromagnetic coil which moves within the airgap of said magnet, a rod rigidly fixed to said coil and a transducer for detecting the velocity of said rod and regulating the vibrations by electronic control, said transducer being constituted by a magnetized pin placed within a stationary double solenoid having reverse windings and carried by a stationary body and one end of said pin being attached to said rod, wherein said generator essentially comprises a second rod attached to the other end of said magnetized pin and a second driving unit in which the polarity of the magnet is opposite to that of the first in order to permit pushpull operation therewith, said second rod and said second driving unit being mounted symmetrically with the first with respect to the central transverse section of said magnetized pin and said velocity transducer being fitted within said two driving units.