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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Compagnie de Signaux et dEntreprises Electriques SA
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Compagnie de Signaux et dEntreprises Electriques SA
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Filing date
Publication date
Application filed by Compagnie de Signaux et dEntreprises Electriques SAfiledCriticalCompagnie de Signaux et dEntreprises Electriques SA
Application grantedgrantedCritical
Publication of FR59828EpublicationCriticalpatent/FR59828E/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L7/00—Remote control of local operating means for points, signals, or track-mounted scotch-blocks
B61L7/06—Remote control of local operating means for points, signals, or track-mounted scotch-blocks using electrical transmission
B61L7/08—Circuitry
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR59828D1949-02-281949-02-28Procédé et dispositifs de transmission à distance d'ordres intéressant des mobiles se suivant sur une même ligne
ExpiredFR59828E
(fr)
Oscilloscope pour radiogoniométrie avec procédé de transmission à distance des relèvements et son application à l'identification des avions détectés au radar