专利名称：Data input device and method发明人：Jordan Pollack申请号：US08/046467申请日：19930412公开号：US05361083A公开日：19941101
摘要：A data input device and method for producing signals corresponding tosymbols, comprises: at least one manually actuatable switch having a home state andmanually actuatable from the home state to one of a set of first states and manuallyactuatable from the set of first states to one of a set of second states including thehome state. A first signal corresponding to a transition from the home state to a
selected one of the set of first states is produced and a second signal corresponding to atransition from the selected one of the set of first states to a selected one of the set ofsecond states is produced. An output signal representing one symbol is produced inresponse to the first and second signals.
申请人：ROBICON SYSTEMS
代理人：Allan Jacobson
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