CA2377667A1 - Earphone without impulse noise and surroundings blockade - Google Patents

Earphone without impulse noise and surroundings blockade Download PDF

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Publication number
CA2377667A1
CA2377667A1 CA002377667A CA2377667A CA2377667A1 CA 2377667 A1 CA2377667 A1 CA 2377667A1 CA 002377667 A CA002377667 A CA 002377667A CA 2377667 A CA2377667 A CA 2377667A CA 2377667 A1 CA2377667 A1 CA 2377667A1
Authority
CA
Canada
Prior art keywords
impulse noise
earphone
loudspeaker
earphone housing
sound
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002377667A
Other languages
French (fr)
Other versions
CA2377667C (en
Inventor
Chung-Yu Lin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2377667A1 publication Critical patent/CA2377667A1/en
Application granted granted Critical
Publication of CA2377667C publication Critical patent/CA2377667C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1016—Earpieces of the intra-aural type

Abstract

The present invention is to provide an earphone without impulse noise and surroundings blockade consists of an earphone housing having a sound chamber (41) inside thereof and a loudspeaker (50) mounted therein, wherein a plurality of sound outlet meshes (42) is mounted in the front end of the earphone housing, and a proper distance is given between the front end of the earphone housing and the loudspeaker mounted therein, wherein a plurality of sound inlet meshes (43) is mounted on and encircling the earphone housing within the proper distance; and the lower impulse noise output end according to two output ends of the loudspeaker is faced to the sound outlet meshes; via the design. The present invention can prevent not only the impulse noise direclty impact to the middle ear but also the damage of the middle ear and the cause of conductive hearing loss.
CA002377667A 1999-07-06 2000-07-03 Earphone without impulse noise and surroundings blockade Expired - Fee Related CA2377667C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/345,135 US6668064B1 (en) 1999-07-06 1999-07-06 Earphone without impulse noise and surrounding blockade
US09/345,135 1999-07-06
PCT/US2000/018397 WO2001003470A1 (en) 1999-07-06 2000-07-03 Earphone without impulse noise and surroundings blockade

Publications (2)

Publication Number Publication Date
CA2377667A1 true CA2377667A1 (en) 2001-01-11
CA2377667C CA2377667C (en) 2005-05-03

Family

ID=23353678

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002377667A Expired - Fee Related CA2377667C (en) 1999-07-06 2000-07-03 Earphone without impulse noise and surroundings blockade

Country Status (12)

Country Link
US (2) US6668064B1 (en)
EP (1) EP1197123A4 (en)
JP (2) JP2003507952A (en)
KR (1) KR100754289B1 (en)
CN (1) CN1217559C (en)
AU (1) AU780637B2 (en)
BR (1) BR0011451A (en)
CA (1) CA2377667C (en)
MX (1) MXPA01012901A (en)
MY (1) MY125265A (en)
RU (1) RU2252495C2 (en)
WO (1) WO2001003470A1 (en)

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Also Published As

Publication number Publication date
KR20020040683A (en) 2002-05-30
KR100754289B1 (en) 2007-09-10
AU5913800A (en) 2001-01-22
CA2377667C (en) 2005-05-03
CN1217559C (en) 2005-08-31
EP1197123A4 (en) 2006-12-20
WO2001003470A1 (en) 2001-01-11
CN1358401A (en) 2002-07-10
JP2003507952A (en) 2003-02-25
JP3118517U (en) 2006-02-02
US20020080990A1 (en) 2002-06-27
US6704429B2 (en) 2004-03-09
EP1197123A1 (en) 2002-04-17
BR0011451A (en) 2002-04-23
MY125265A (en) 2006-07-31
AU780637B2 (en) 2005-04-07
US6668064B1 (en) 2003-12-23
MXPA01012901A (en) 2002-07-30
RU2252495C2 (en) 2005-05-20

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