indicating prior or unauthorised use

Introduced: September 1968

Last revised: January 2006

Full Title

Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus > indicating prior or unauthorised use

Classification Context

Section:: PHYSICS
Class:: INFORMATION STORAGE
Subclass:: INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER