Acoustic guiding system

An acoustic guiding system of this invention comprises: an n-phase signal wiring which contains n wire lines and a common ground where n is an integer larger than or equals to three; a sound source which generates an electric current for a signal sound; a distributer which distributes the electric c...

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Bibliographic Details
Main Author KONDO MAMORU
Format Patent
LanguageEnglish
Published 07.07.2015
Subjects
ALARM SYSTEMS
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
ORDER TELEGRAPHS
PHYSICS
PUBLIC ADDRESS SYSTEMS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
TRAFFIC CONTROL SYSTEMS
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Summary:An acoustic guiding system of this invention comprises: an n-phase signal wiring which contains n wire lines and a common ground where n is an integer larger than or equals to three; a sound source which generates an electric current for a signal sound; a distributer which distributes the electric current from the sound source to each line of the n-phase signal wiring repeatedly; a controller which controls the signal sound in accordance with signal information required for traffic control or the like; and speakers connected to each line of the n phase signal wiring in the order of the phase number.
Bibliography:Application Number: US201213985464