FR997781A - Perfectionnements apportés aux systèmes de transmission à distance, notamment auxsystèmes de télécommande et de télésignalisation
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Perfectionnements apportés aux systèmes de transmission à distance, notamment auxsystèmes de télécommande et de télésignalisation
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G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
G08C19/00—Electric signal transmission systems
G08C19/02—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage
G08C19/025—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage using fixed values of magnitude of current or voltage
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FR997781D1945-07-251945-07-25Perfectionnements apportés aux systèmes de transmission à distance, notamment auxsystèmes de télécommande et de télésignalisation
ExpiredFR997781A
(fr)