AU480954B2 - Pushbutton keyboard system - Google Patents

Pushbutton keyboard system

Info

Publication number
AU480954B2
AU480954B2 AU65803/74A AU6580374A AU480954B2 AU 480954 B2 AU480954 B2 AU 480954B2 AU 65803/74 A AU65803/74 A AU 65803/74A AU 6580374 A AU6580374 A AU 6580374A AU 480954 B2 AU480954 B2 AU 480954B2
Authority
AU
Australia
Prior art keywords
keyboard system
pushbutton keyboard
pushbutton
keyboard
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU65803/74A
Other versions
AU6580374A (en
Inventor
Joseph Boulanger Henry
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Application granted granted Critical
Publication of AU480954B2 publication Critical patent/AU480954B2/en
Publication of AU6580374A publication Critical patent/AU6580374A/en
Expired legal-status Critical Current

Links

AU65803/74A 1973-02-21 1974-02-20 Pushbutton keyboard system Expired AU480954B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14850371A 1971-06-01 1971-06-01
USUS334,345 1973-02-21

Publications (2)

Publication Number Publication Date
AU480954B2 true AU480954B2 (en) 1975-08-21
AU6580374A AU6580374A (en) 1975-08-21

Family

ID=

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