Sound reproduction device and portable terminal apparatus

Sound reproduction device and portable terminal apparatus

The present invention is directed to a sound reproduction device which includes an LCD (20), which is an exemplary front panel, a case (22), and an electromechanical acoustic transducer (23). TheLCD (20) isoperabletoperformapredeterminedoperation in response to an electrical signal applied thereto....

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Hauptverfasser: Saiki, Shuji, Usuki, Sawako
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
TELEPHONIC COMMUNICATION
TRANSMISSION
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creator Saiki, Shuji
Usuki, Sawako
description The present invention is directed to a sound reproduction device which includes an LCD (20), which is an exemplary front panel, a case (22), and an electromechanical acoustic transducer (23). TheLCD (20) isoperabletoperformapredeterminedoperation in response to an electrical signal applied thereto. A space (24) for sound emission is formed between the case (22) and the LCD (20). The electromechanical acoustic transducer (23) is connected to the case (22), and emits sound to the space (24). If the electromechanical acoustic transducer (23) emits the sound to the space (24), energy of the emitted sound causes the LCD (20) to vibrate and thereby to externally output the sound.
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language eng ; fre ; ger
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subjects DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
TELEPHONIC COMMUNICATION
TRANSMISSION
title Sound reproduction device and portable terminal apparatus
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