Microprocessor data input switching circuit - uses interrogated switch groups connectable to multiple channel data bus

A circuit delivering input data to a microprocessor circuit has switches, esp. keyboard switches, which place switching signals onto a data bus connected to the microprocessor and having several data channels. The switches are connected to a common reference potential. It requires only a few channel...

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Bibliographische Detailangaben

Hauptverfasser:	HAUBNER,GEORG, SCHRUMPF,HANS
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CODE CONVERSION IN GENERAL CODING DECODING ELECTRICITY
Online-Zugang:	Volltext bestellen
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