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 Industrielle des Telephones SA
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Compagnie Industrielle des Telephones SA
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Filing date
Publication date
Application filed by Compagnie Industrielle des Telephones SAfiledCriticalCompagnie Industrielle des Telephones SA
Application grantedgrantedCritical
Publication of FR1007036ApublicationCriticalpatent/FR1007036A/en
H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
H04Q9/14—Calling by using pulses
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
FR1007036D1948-02-161948-02-16
Improvements to teletransmission systems
ExpiredFR1007036A
(en)