ALTERNATIVE DIVERSE TYPES OF STORAGE OR RETRIEVAL:
(under the class definition) Subject matter for information signal storage by selection of one of diverse types of storage medium modification, or for the information signal retrieval by selection of one of diverse types of storage medium sensing.
(1) Note. Exemplary of such subject matter would be a recording or reproducing device for an elongate web record carrier having both magnetic and radiation transducers which may be alternatively switched into a circuit for use with either a photos:graphic or magnetic tape.
