AU7102298A - Horn loaded microphone with helmholtz resonator attenuator - Google Patents

Horn loaded microphone with helmholtz resonator attenuator

Info

Publication number
AU7102298A
AU7102298A AU71022/98A AU7102298A AU7102298A AU 7102298 A AU7102298 A AU 7102298A AU 71022/98 A AU71022/98 A AU 71022/98A AU 7102298 A AU7102298 A AU 7102298A AU 7102298 A AU7102298 A AU 7102298A
Authority
AU
Australia
Prior art keywords
microphone
helmholtz resonator
horn loaded
attenuator
resonator attenuator
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
AU71022/98A
Inventor
Karl W. Rabe
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.)
Ericsson Inc
Original Assignee
Ericsson Inc
Ericsson GE Mobile Communications Holding 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 Ericsson Inc, Ericsson GE Mobile Communications Holding Inc filed Critical Ericsson Inc
Publication of AU7102298A publication Critical patent/AU7102298A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H04M1/035—Improving the acoustic characteristics by means of constructional features of the housing, e.g. ribs, walls, resonating chambers or cavities
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/342—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for microphones
    • 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
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/04—Microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2410/00—Microphones
    • H04R2410/03—Reduction of intrinsic noise in microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
AU71022/98A 1997-05-08 1998-04-03 Horn loaded microphone with helmholtz resonator attenuator Abandoned AU7102298A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US84839397A 1997-05-08 1997-05-08
US08848393 1997-05-08
PCT/US1998/006715 WO1998051122A1 (en) 1997-05-08 1998-04-03 Horn loaded microphone with helmholtz resonator attenuator

Publications (1)

Publication Number Publication Date
AU7102298A true AU7102298A (en) 1998-11-27

Family

ID=25303137

Family Applications (1)

Application Number Title Priority Date Filing Date
AU71022/98A Abandoned AU7102298A (en) 1997-05-08 1998-04-03 Horn loaded microphone with helmholtz resonator attenuator

Country Status (2)

Country Link
AU (1) AU7102298A (en)
WO (1) WO1998051122A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030065678A (en) * 2002-01-30 2003-08-09 삼성전자주식회사 Speaker device for flip-up type portable terminal
WO2008139269A1 (en) * 2007-05-11 2008-11-20 Agata Micek Horn microphone
US8295526B2 (en) 2008-02-21 2012-10-23 Bose Corporation Low frequency enclosure for video display devices
US8351629B2 (en) 2008-02-21 2013-01-08 Robert Preston Parker Waveguide electroacoustical transducing
US8351630B2 (en) 2008-05-02 2013-01-08 Bose Corporation Passive directional acoustical radiating
US8265310B2 (en) 2010-03-03 2012-09-11 Bose Corporation Multi-element directional acoustic arrays
US8553894B2 (en) 2010-08-12 2013-10-08 Bose Corporation Active and passive directional acoustic radiating
US9451355B1 (en) 2015-03-31 2016-09-20 Bose Corporation Directional acoustic device
US10057701B2 (en) 2015-03-31 2018-08-21 Bose Corporation Method of manufacturing a loudspeaker
US10612967B2 (en) * 2017-02-15 2020-04-07 Wildlife Acoustics, Inc. Ultrasonic microphone enclosure
JPWO2021152922A1 (en) * 2020-01-27 2021-08-05
US20230239611A1 (en) * 2022-01-24 2023-07-27 Apple Inc. Acoustic resonators for microphones

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH528197A (en) * 1971-12-20 1972-09-15 Ibm Housing arrangement with an electro-acoustic transducer, and use of the same in a telephone set of a communication system with PCM coding
DE3882721D1 (en) * 1987-01-23 1993-09-09 Siemens Ag TELEPHONE HANDSET WITH A FLAP, LOCKING THE OPERATING DEVICE.
WO1989004106A1 (en) * 1987-10-28 1989-05-05 Acs Communications, Inc. Acoustic filter microphone cup
EP0609744A1 (en) * 1993-02-03 1994-08-10 Ascom Zelcom Ag Handset for corded telephone apparatus
JP2780624B2 (en) * 1993-12-28 1998-07-30 日本電気株式会社 Mouthpiece structure

Also Published As

Publication number Publication date
WO1998051122A1 (en) 1998-11-12

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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