VEHICLE APPROACH NOTIFICATION DEVICE

PROBLEM TO BE SOLVED: To suppress deterioration of notification property by suppressing a change of sound pressure of produced sound in a sound production body due to factors such as a temperature change, a power supply voltage fluctuation, and aged deterioration.SOLUTION: A vehicle approach notific...

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Bibliographic Details
Main Authors SAKAMOTO HITOSHI, MATSUBARA YUKIKO, TSUZUKI HARUYUKI
Format Patent
LanguageEnglish
Published 28.11.2013
Subjects
ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING ORSUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES INGENERAL
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PERFORMING OPERATIONS
PUBLIC ADDRESS SYSTEMS
TRANSPORTING
VEHICLES IN GENERAL
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Summary:PROBLEM TO BE SOLVED: To suppress deterioration of notification property by suppressing a change of sound pressure of produced sound in a sound production body due to factors such as a temperature change, a power supply voltage fluctuation, and aged deterioration.SOLUTION: A vehicle approach notification device includes a sound production body (microphone) 24 for collecting notification sound to be output from a speaker 40. A sound signal is corrected to thereby fix sound pressure of notification sound to be output from the sound production body 40 in response to a signal to be output from the microphone 24 (S106).
Bibliography:Application Number: JP20120111327