DEVICE FOR PUNCHING AND/OR READING A TAPE

DEVICE FOR PUNCHING AND/OR READING A TAPE

A tape punching and reading device having a series of punches which are selectively controlled by a cam element common to all of the punches. A three-armed lever is provided, one arm of which engages the cam element, the second arm is electro-magnetically coupled to an electormagnet, and the third a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: BOYER M,FR
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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Beschreibung
Zusammenfassung:A tape punching and reading device having a series of punches which are selectively controlled by a cam element common to all of the punches. A three-armed lever is provided, one arm of which engages the cam element, the second arm is electro-magnetically coupled to an electormagnet, and the third arm has an additional lever pivotally mounted thereon which is interposed between the cam element and the individual punches to effect the punching operation. A photo-electric scanner is provided to read a perforation receiving line of the tape one increment of tape advance beyond the individual punch elements.