AU2001256038A1 - Gas flow sensor, speaker system and microphone - Google Patents

Gas flow sensor, speaker system and microphone

Info

Publication number
AU2001256038A1
AU2001256038A1 AU2001256038A AU5603801A AU2001256038A1 AU 2001256038 A1 AU2001256038 A1 AU 2001256038A1 AU 2001256038 A AU2001256038 A AU 2001256038A AU 5603801 A AU5603801 A AU 5603801A AU 2001256038 A1 AU2001256038 A1 AU 2001256038A1
Authority
AU
Australia
Prior art keywords
microphone
gas flow
flow sensor
speaker system
speaker
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
AU2001256038A
Inventor
Gennadiy Flolov
Oleg Grudin
Leslie M. Landsberger
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.)
Microbridge Technologies Inc
Original Assignee
Microbridge Technologies Inc
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 Microbridge Technologies Inc filed Critical Microbridge Technologies Inc
Publication of AU2001256038A1 publication Critical patent/AU2001256038A1/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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/002—Transducers other than those covered by groups H04R9/00 - H04R21/00 using electrothermic-effect transducer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
AU2001256038A 2000-05-08 2001-05-08 Gas flow sensor, speaker system and microphone Abandoned AU2001256038A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US20265500P 2000-05-08 2000-05-08
US20265300P 2000-05-08 2000-05-08
US60/202,655 2000-05-08
US60/202,653 2000-05-08
PCT/CA2001/000647 WO2001087009A2 (en) 2000-05-08 2001-05-08 Gas flow sensor, speaker system and microphone

Publications (1)

Publication Number Publication Date
AU2001256038A1 true AU2001256038A1 (en) 2001-11-20

Family

ID=26897905

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001256038A Abandoned AU2001256038A1 (en) 2000-05-08 2001-05-08 Gas flow sensor, speaker system and microphone

Country Status (5)

Country Link
EP (1) EP1297721A2 (en)
JP (1) JP2003532881A (en)
AU (1) AU2001256038A1 (en)
CA (1) CA2421291A1 (en)
WO (1) WO2001087009A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004010863B3 (en) * 2004-03-05 2005-10-20 Siemens Audiologische Technik Hearing aid with several microphones
JP2009250928A (en) * 2008-04-10 2009-10-29 Nippon Hoso Kyokai <Nhk> Mems type thermal beam type particle velocity detection element, its manufacturing method, and acoustic sensor
TWI463868B (en) * 2008-10-09 2014-12-01 Asia Optical Co Inc Scalable image sensing module

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3044582B2 (en) * 1991-06-14 2000-05-22 本田技研工業株式会社 Gas rate sensor
DE4201216C1 (en) * 1992-01-18 1993-02-25 Gms Gesellschaft Fuer Mikrotechnik Und Sensorik Mbh, 7742 St Georgen, De Oxygen@ sensor for gas mixt. - measures difference in flow speed in two stream channels etched into wafer substrate by two thermo anemometers
NL9401051A (en) * 1994-06-24 1996-02-01 Stichting Tech Wetenschapp Microphone based on fluid flow measurement and acoustic generator based on it.
US5523715A (en) * 1995-03-10 1996-06-04 Schrader; Daniel J. Amplifier arrangement and method and voltage controlled amplifier and method
DE19730931C1 (en) * 1997-07-18 1998-11-19 Karlsruhe Forschzent Volumetric flow sensor with linear characteristic
EP0820210A3 (en) * 1997-08-20 1998-04-01 Phonak Ag A method for elctronically beam forming acoustical signals and acoustical sensorapparatus

Also Published As

Publication number Publication date
JP2003532881A (en) 2003-11-05
WO2001087009A2 (en) 2001-11-15
WO2001087009A3 (en) 2003-01-03
CA2421291A1 (en) 2001-11-15
EP1297721A2 (en) 2003-04-02

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