METHOD FOR MEASURING THE POSITION OF A CUP FOR READING AND WRITING OF INFORMATION ON A CARRIER tenopzichte OF REFERENCE POSITION THEREOF, AND DEVICE FOR THE PRACTICE OF THIS PROCESS.

摘要

To measure the position of a reading - writing head with respect to a reference position of a support of information recorded on the inside of the groups of zones of reference, the reference position being defined by at least one border between two zones even and odd neighbouring. / p & & p & according to the invention, the process is characterizes in that: / p & & p & 1on affects, respectively, of opposite signs, determines the pulses of the even-numbered and odd-numbered fields s, of pitch p of the signal issued by the other way to obtain a signal sas of pitch p / p & & p & 2on integrated the signal sas on an interval of integration at most equal to the time of reading the position information of a zone, the value of the integrale defining the position of the head. / p & & p & applicable to the disk memoires magnetic.