AU4159600A - Vertical buzzer/earphone to reduce humming sounds - Google Patents

Vertical buzzer/earphone to reduce humming sounds

Info

Publication number
AU4159600A
AU4159600A AU41596/00A AU4159600A AU4159600A AU 4159600 A AU4159600 A AU 4159600A AU 41596/00 A AU41596/00 A AU 41596/00A AU 4159600 A AU4159600 A AU 4159600A AU 4159600 A AU4159600 A AU 4159600A
Authority
AU
Australia
Prior art keywords
earphone
buzzer
reduce
vertical
humming sounds
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.)
Abandoned
Application number
AU41596/00A
Inventor
Goran Pehrsson
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of AU4159600A publication Critical patent/AU4159600A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3833—Hand-held transceivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
AU41596/00A 1999-03-29 2000-03-27 Vertical buzzer/earphone to reduce humming sounds Abandoned AU4159600A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US27795199A 1999-03-29 1999-03-29
US09277951 1999-03-29
PCT/SE2000/000594 WO2000059180A1 (en) 1999-03-29 2000-03-27 Vertical buzzer/earphone to reduce humming sounds

Publications (1)

Publication Number Publication Date
AU4159600A true AU4159600A (en) 2000-10-16

Family

ID=23063064

Family Applications (1)

Application Number Title Priority Date Filing Date
AU41596/00A Abandoned AU4159600A (en) 1999-03-29 2000-03-27 Vertical buzzer/earphone to reduce humming sounds

Country Status (5)

Country Link
JP (1) JP2002540485A (en)
CN (1) CN1345508A (en)
AU (1) AU4159600A (en)
DE (1) DE10084392T1 (en)
WO (1) WO2000059180A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107924672A (en) * 2016-03-25 2018-04-17 马自达汽车株式会社 The sound source of loudspeaker

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108282585B (en) * 2018-01-08 2020-08-28 维沃移动通信有限公司 Mobile terminal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3940859A1 (en) * 1989-12-11 1991-06-13 Thomson Brandt Gmbh Active loudspeaker cabinet lined with metallic screening material - to which connections are made from mains interference suppression filter and casing of tweeter
JPH10150391A (en) * 1996-11-18 1998-06-02 Tokimec Inc Communication equipment
FI970409A (en) * 1997-01-31 1998-08-01 Nokia Mobile Phones Ltd Method of protecting the microphone from external interference and microphone interference shielding

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107924672A (en) * 2016-03-25 2018-04-17 马自达汽车株式会社 The sound source of loudspeaker

Also Published As

Publication number Publication date
WO2000059180A1 (en) 2000-10-05
DE10084392T1 (en) 2002-03-28
CN1345508A (en) 2002-04-17
JP2002540485A (en) 2002-11-26

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase