Machine interface system with hierarchal menus allowing user sequencing and selection of menu items by actuation of three switches
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United States of America Patent
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Feb 16, 1993
Issued Date -
N/A
app pub date -
Apr 5, 1989
filing date -
Sep 28, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A user interface, typically to an irrigation controller, prompts user responses by asking questions. The questions are hierarchally organized, preferably in a hierarchal tree having approximately three to six questions on each hierarchal level between root and leaves. All command and data input may be done with only an 'OK' pushbutton switch, and with an additional '.uparw.', or '.dwnarw.' pushbuttom switches. Each 'OK' user response affirms the premise of a currently-displayed question, and advances the questioning to a related branch upon a next hierarchal level. The '.uparw.' pushbutton is used to advance the questioning in a first direction. An optimal '.dwnarw.', or down arrow,pushbutton switch advances the presentation of successive questions in a second direction. An optional 'HELP' switch invokes context-sensitive help messages.
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