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.)
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.)
GRANIOU SARL ELECTRONIQUE LOUI
Original Assignee
GRANIOU SARL ELECTRONIQUE LOUI
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 GRANIOU SARL ELECTRONIQUE LOUIfiledCriticalGRANIOU SARL ELECTRONIQUE LOUI
Priority to FR7531464ApriorityCriticalpatent/FR2327592A1/fr
Publication of FR2327592A1publicationCriticalpatent/FR2327592A1/fr
Application grantedgrantedCritical
Publication of FR2327592B3publicationCriticalpatent/FR2327592B3/fr
H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
H03K17/943—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector using a plurality of optical emitters or detectors, e.g. keyboard
FR7531464A1975-10-081975-10-08Touche de commande de fonction par effleurement digital
GrantedFR2327592A1
(fr)
