SPI KEYBOARD MODULE FOR A PARKING METER AND A PARKING METER HAVING AN SPI KEYBOARD MODULE

A serial peripheral interface (SPI) keyboard module for a parking meter comprises a plurality of key switches and at least one controller configured to detect a key press, determine a predetermined indicator associated with the pressed key and transmit the indicator to a keyboard interface of the pa...

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Bibliographische Detailangaben
Hauptverfasser:	O'NEIL, ADRIAN IGNATIUS, CHAUVIN, GREGORY EMILE, ERSKINE, NEIL STUART, MACKAY, JAMES GEORGE, MACKAY, GEORGE ALLAN
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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Beschreibung
Zusammenfassung:	A serial peripheral interface (SPI) keyboard module for a parking meter comprises a plurality of key switches and at least one controller configured to detect a key press, determine a predetermined indicator associated with the pressed key and transmit the indicator to a keyboard interface of the parking meter. The SPI keyboard module provides a low power keyboard module that can be easily adapted to provide different keyboards or layouts without requiring significant changes to the parking meter electronics.