Watchman{3 s tour recording system

A watchman's tour recording system which includes a watchman's unit having a clock and a clock signal producing means, a station identification signal producing means, a signal memory and means for directing associated clock and station identification signals to corresponding locations in...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	THOME, RICHARD J
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE CALCULATING CHECKING-DEVICES COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING GENERATING RANDOM NUMBERS PHYSICS REGISTERING OR INDICATING THE WORKING OF MACHINES TIME OR ATTENDANCE REGISTERS VOTING OR LOTTERY APPARATUS
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