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.)
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Friden Inc
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Friden Inc
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Publication date
Priority claimed from US322549Aexternal-prioritypatent/US3341838A/en
Application filed by Friden IncfiledCriticalFriden Inc
Priority to FR992432ApriorityCriticalpatent/FR1415936A/fr
Application grantedgrantedCritical
Publication of FR1415936ApublicationCriticalpatent/FR1415936A/fr
G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
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Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
Theoretical Computer Science
(AREA)
Human Computer Interaction
(AREA)
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR992432A1963-10-251964-10-23Procédé et appareil pour la production de signaux
ExpiredFR1415936A
(fr)