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PIERRE-MARIE JAMET
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PIERRE-MARIE JAMET
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Application filed by PIERRE-MARIE JAMETfiledCriticalPIERRE-MARIE JAMET
Application grantedgrantedCritical
Publication of FR402325ApublicationCriticalpatent/FR402325A/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
B61L3/04—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling mechanically
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Engineering & Computer Science
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Mechanical Engineering
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FR402325D1909-04-231909-04-23Appareil de sécurité avertisseur et enregistreur pour signaux de chemins de fer
ExpiredFR402325A
(fr)
Procédé et dispositif pour arreter les trains de chemins de fer en cas de danger et pour remédier à la négligence des mécaniciens ou des préposés aux signaux