KEYPAD
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United States of America Patent
Stats
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N/A
Issued Date -
Jan 8, 2015
app pub date -
Jul 2, 2013
filing date -
Jul 2, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A keypad including a keypad housing an array of data entry key assemblies mounted in the keypad housing, each of the data entry key assemblies being designated by at least two indices and including at least two mutually electrically insulated electrical contacts, each electrical contact being identified by one of the at least two indices and an electrically conductive element which, when depressed, is electrically coupled to the at least two mutually electrically insulated electrical contacts and an electrical circuit coupled to the array of data entry key assemblies, sensing a voltage state of specific ones of the at least two mutually electrically insulated electrical contacts, identified by specific ones of the indices, caused by depression of a specific electrically conductive element and indicating by the at least two indices the identity of a specific one of the data entry key assemblies which is actuated.
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