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ANTOINE BOISSY
THEOPHILE AUGUSTE AYRIVIE
Original Assignee
ANTOINE BOISSY
THEOPHILE AUGUSTE AYRIVIE
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Application filed by ANTOINE BOISSY, THEOPHILE AUGUSTE AYRIVIEfiledCriticalANTOINE BOISSY
Application grantedgrantedCritical
Publication of FR429917ApublicationCriticalpatent/FR429917A/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
(AREA)
Mechanical Engineering
(AREA)
FR429917D1911-05-181911-05-18Appareil automatique d'alarme pour la protection des trains
ExpiredFR429917A
(fr)