Acceleration correction for self-clocking write-head
Apparatus and method for reading binary data from a magnetic str
Apparatus and method for reading magnetic images with an...
Apparatus and method for recording and reading information
Apparatus for processing vouchers including a high density magne
Apparatus for reducing the number of undetected errors read alon
Apparatus for writing data on a magnetic card and preventing hea
Apparatus in use of a film having information recording section
Automatically retractable tape in sound-slide means