Magnetic recording apparatus

A magnetic record card (12) is manually movable along a path (13) adjacent a transducing assembly (14). A reference mark is recorded by a write head (19) when a card is detected by sensor (24) and is read by a read head (20). A counter (33) counts a train of pulses from an oscillator (31) and initia...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DOUBLE, GLEN PAUL, SHAY, ROBERT JOHN EUGENE, SMITH, WENDELL LAWRENCE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CALCULATING COMPUTING COUNTING HANDLING RECORD CARRIERS PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS
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