US Patent 7766236 Method for reading data using multi-format magnetic head

A method for reading data using a magnetic head having a first array of elements associated with a first data format, and a second array of elements associated with a second data format, the elements being selected from a group consisting of readers, writers, and combinations thereof, wherein the first and second arrays of elements are generally laterally adjacent each other in a direction transverse to a direction of travel of a magnetic medium over the head, the method comprising: determining a format of data on a medium; selecting one of the arrays of elements to read the data on the medium based on the determined format of the data; and positioning the selected array over the data on the medium.