Read-write memory content protection for telephone systems - has gating circuit to ensure read-write instruction is correct before data is changed

The control of read-write memories used in telephone communication systems is effected in such a way to avoid the loss of stored information due to errors in addressing. Typically a number of memories (B1, B2, B3, B4) are operated from a central control circuit (ST) that insures read-write commands...

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Bibliographische Detailangaben

1. Verfasser:	PAULUS,FRANZ
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY INFORMATION STORAGE PHYSICS SELECTING STATIC STORES
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