AU5577394A - Sound amplification system - Google Patents

Sound amplification system

Info

Publication number
AU5577394A
AU5577394A AU55773/94A AU5577394A AU5577394A AU 5577394 A AU5577394 A AU 5577394A AU 55773/94 A AU55773/94 A AU 55773/94A AU 5577394 A AU5577394 A AU 5577394A AU 5577394 A AU5577394 A AU 5577394A
Authority
AU
Australia
Prior art keywords
amplification system
sound amplification
sound
amplification
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
AU55773/94A
Inventor
Lourens George Bordewijk
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 AU5577394A publication Critical patent/AU5577394A/en
Abandoned 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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/407—Circuits for combining signals of a plurality of transducers
    • 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
    • H04B1/385—Transceivers carried on the body, e.g. in helmets
    • 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
    • H04B1/385—Transceivers carried on the body, e.g. in helmets
    • H04B2001/3855—Transceivers carried on the body, e.g. in helmets carried in a belt or harness
    • 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
    • H04B1/385—Transceivers carried on the body, e.g. in helmets
    • H04B2001/3866—Transceivers carried on the body, e.g. in helmets carried on the head
AU55773/94A 1992-11-02 1993-11-02 Sound amplification system Abandoned AU5577394A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
NL9201904 1992-11-02
NL9201904 1992-11-02
EP93202890 1993-10-13
EP93202890 1993-10-13
PCT/NL1993/000228 WO1994010818A1 (en) 1992-11-02 1993-11-02 Sound amplification system

Publications (1)

Publication Number Publication Date
AU5577394A true AU5577394A (en) 1994-05-24

Family

ID=26134033

Family Applications (1)

Application Number Title Priority Date Filing Date
AU55773/94A Abandoned AU5577394A (en) 1992-11-02 1993-11-02 Sound amplification system

Country Status (2)

Country Link
AU (1) AU5577394A (en)
WO (1) WO1994010818A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5867581A (en) * 1994-10-14 1999-02-02 Matsushita Electric Industrial Co., Ltd. Hearing aid
JPH08181754A (en) * 1994-12-21 1996-07-12 Matsushita Electric Ind Co Ltd Handset for communication equipment
US7394909B1 (en) 2000-09-25 2008-07-01 Phonak Ag Hearing device with embedded channnel
AU2000272656C1 (en) * 2000-09-25 2007-01-11 Phonak Ag Otoplastic
FR2853197B1 (en) * 2003-03-31 2007-01-12 Guilhem Doucet DEVICE FOR AMPLIFYING SOUNDS FOR MALENTENDANTS
TWM252198U (en) * 2004-01-05 2004-12-01 Intecs International Inc Wireless transceiver apparatus
DE102005044495B4 (en) * 2005-09-16 2008-04-03 Sennheiser Electronic Gmbh & Co. Kg In-ear headset and in-ear headphones
US7983433B2 (en) 2005-11-08 2011-07-19 Think-A-Move, Ltd. Earset assembly
US7502484B2 (en) 2006-06-14 2009-03-10 Think-A-Move, Ltd. Ear sensor assembly for speech processing
US8103029B2 (en) 2008-02-20 2012-01-24 Think-A-Move, Ltd. Earset assembly using acoustic waveguide
JP2010004513A (en) * 2008-05-19 2010-01-07 Yamaha Corp Ear phone
US8983103B2 (en) 2010-12-23 2015-03-17 Think-A-Move Ltd. Earpiece with hollow elongated member having a nonlinear portion
CN109104655B (en) * 2018-08-24 2021-11-26 歌尔科技有限公司 Audio equipment and microphone gain adjusting method, device and system thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1297914A (en) * 1968-12-05 1972-11-29
JPS58156233A (en) * 1982-03-12 1983-09-17 Pilot Pen Co Ltd:The Transmitting/receiving device using ear microphone
US4588867A (en) * 1982-04-27 1986-05-13 Masao Konomi Ear microphone
JPS6068734U (en) * 1983-10-18 1985-05-15 株式会社岩田エレクトリツク handset
DK159357C (en) * 1988-03-18 1991-03-04 Oticon As HEARING EQUIPMENT, NECESSARY FOR EQUIPMENT

Also Published As

Publication number Publication date
WO1994010818A1 (en) 1994-05-11

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