Method of and apparatus for positioning transducers by digital conversion of analog signals.

摘要

A method of and apparatus for obtaining digital expression of analog signals, in particular signals produced by "reading" (i.e., tranducing) head-positioning information recorded on storage media, for example magnetic recording media. Head-positioning signals (36, 38) constitute signals bursts which are processed to obtain pulses whose width is dictated by the amplitude of the detected bursts, and the pulse width in each instance is expressed digitally by using the magnitude of the pulse to drive a counter-timer (61). The resulting count integrally embodies a digitized representation of the initial analog signal burst, which is directly available for further processing by digital means and for storage in digital memory apparatus.