ELECTROMAGNETIC TRANSDUCER

ELECTROMAGNETIC TRANSDUCER

PROBLEM TO BE SOLVED: To provide an electromagnetic transducer which never hinders movement of a vibrating diaphragm in operation, which shortens a period of connecting/arranging operation of the vibrating diaphragm, and which is provided with stable performance without regard to the skill of an ope...

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Hauptverfasser: UCHIUMI SHUZO, GOTO SHUZO
Format: Patent
Sprache:eng
Schlagworte:
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
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creator UCHIUMI SHUZO
GOTO SHUZO
description PROBLEM TO BE SOLVED: To provide an electromagnetic transducer which never hinders movement of a vibrating diaphragm in operation, which shortens a period of connecting/arranging operation of the vibrating diaphragm, and which is provided with stable performance without regard to the skill of an operator. SOLUTION: A structure 2 where lower permanent magnet board 11 and an upper permanent magnet board 14 having belt-like magnetic patterns in the form of parallel stripes and the vibrating diaphragm 13 having a meandering coil pattern 13b are laminated is supported covered with an upper frame 3 and a lower frame 4 from upper and lower directions. Projecting pieces 13c formed at the vibrating diaphragm 13, projecting from the end of the vibrating diaphragm 13 and having terminating electrodes of the coil patter 13b are inserted to the notch parts 5b of a terminal board 5 installed on the outer wall surface of the upper frame 3 to be connected with the terminal board 5. COPYRIGHT: (C)2008,JPO&INPIT
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subjects DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
title ELECTROMAGNETIC TRANSDUCER
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