According to various aspects, exemplary embodiments are disclosed herein of audible alert systems. In exemplary embodiments, an audible alert system includes a speaker, an audio amplifier, and an audio file player. The audio amplifier and audio file player may be housed within an environmentally sealed enclosure, which provides protection from the environment. The audible alert system may be located on the front or back of a locomotive. For example, the speaker may be mounted to handrailing of the locomotive.
AUDIBLE ALERT SYSTEMS FOR LOCOMOTIVES
2020-12-17
Patent
Elektronische Ressource
Englisch
IPC: | B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme / H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler |