Portable recorder apparatus for recording time-related data

A portable data recorder for recording time-related information on tape cassettes. The recorder includes a briefcase shell in which the other components are mounted, a keyboard having a plurality of keys each of which, when depressed, produces a signal, and a plurality of key lines each coupled to a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MCMULLEN, JOHN W G, WADHAM, REX A
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE CHECKING-DEVICES GENERATING RANDOM NUMBERS HOROLOGY MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS REGISTERING OR INDICATING THE WORKING OF MACHINES TESTING TIME OR ATTENDANCE REGISTERS TIME-INTERVAL MEASURING VOTING OR LOTTERY APPARATUS
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