EARPHONE ATTACHMENT

PROBLEM TO BE SOLVED: To provide an earphone attachment that further utilizes features of an open earphone that a speaker size is larger compared with that of a closed earphone and acoustic characteristics are natural. SOLUTION: The earphone attachment includes a cylinder 11 which has an outer diame...

Full description

Saved in:
Bibliographic Details
Main Authors SUZUKI KAZUO, SANO SHUJIRO, KIDA TOSHIO
Format Patent
LanguageEnglish
Published 05.02.2009
Subjects
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
Online AccessGet full text

Cover

More Information
Summary:PROBLEM TO BE SOLVED: To provide an earphone attachment that further utilizes features of an open earphone that a speaker size is larger compared with that of a closed earphone and acoustic characteristics are natural. SOLUTION: The earphone attachment includes a cylinder 11 which has an outer diameter tightly fitted to the external ear canal, and also, has a length tightly fitted to the external ear canal in a prescribed length on the depth side of the opening of the external ear canal when its one end is inserted to the external ear canal; and a cone 12 that connects a small-diameter end to the other end of the cylinder 11, connects a large-diameter end to the outer periphery of the open type earphone 20, and brings its outer face into contact with the vicinity of the antilobium so as to have a shape that holds a prescribed space in between the auricle near the antilobium, wherein a slit is provided in a lengthwise direction of the cylinder. COPYRIGHT: (C)2009,JPO&INPIT
Bibliography:Application Number: JP20070191762