DK149294C - MICROPHONE UNIT FOR APPLICATION IN A HEARING DEVICE - Google Patents

MICROPHONE UNIT FOR APPLICATION IN A HEARING DEVICE

Info

Publication number: DK149294C
Authority: DK; Denmark
Prior art keywords: application; hearing device; microphone unit; microphone; unit
Prior art date: 1973-02-05

Application number

DK58074A

Other languages

Danish (da)

Other versions

DK149294B (en

Inventor

Mead Clifford Killion

Original Assignee

Industrial Research Prod 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.)

1973-02-05

Filing date

1974-02-04

Publication date

1986-09-29

1974-02-04 Application filed by Industrial Research Prod Inc filed Critical Industrial Research Prod Inc

1986-04-21 Publication of DK149294B publication Critical patent/DK149294B/en

1986-09-29 Application granted granted Critical

1986-09-29 Publication of DK149294C publication Critical patent/DK149294C/en

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Electric hearing aids
- H04R25/40—Arrangements for obtaining a desired directivity characteristic
- H04R25/402—Arrangements for obtaining a desired directivity characteristic using contructional means
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
- H04R1/38—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 in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone

Landscapes

Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
General Health & Medical Sciences (AREA)
Neurosurgery (AREA)
Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

DK58074A 1973-02-05 1974-02-04 MICROPHONE UNIT FOR APPLICATION IN A HEARING DEVICE DK149294C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US00329673A US3835263A (en)	1973-02-05	1973-02-05	Microphone assembly operable in directional and non-directional modes
US32967373		1973-02-05

Publications (2)

Publication Number	Publication Date
DK149294B DK149294B (en)	1986-04-21
DK149294C true DK149294C (en)	1986-09-29

Family

ID=23286501

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK58074A DK149294C (en)	1973-02-05	1974-02-04	MICROPHONE UNIT FOR APPLICATION IN A HEARING DEVICE

Country Status (9)

Country	Link
US (1)	US3835263A (en)
JP (1)	JPS5317444B2 (en)
AT (1)	AT332465B (en)
CA (1)	CA991738A (en)
CH (1)	CH587594A5 (en)
DK (1)	DK149294C (en)
FR (1)	FR2216745B1 (en)
GB (1)	GB1430200A (en)
NL (1)	NL167832C (en)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4006321A (en) *	1974-02-20	1977-02-01	Industrial Research Products, Inc.	Transducer coupling system
US3909556A (en) *	1974-08-08	1975-09-30	Audivox Inc	Directionally variable hearing aid
US4763753A (en) *	1984-07-05	1988-08-16	Etymotic Research, Inc.	Insert earphones for audiometry
DE8529458U1 (en) *	1985-10-16	1987-05-07	Siemens AG, 1000 Berlin und 8000 München	Hearing aid
CA1331803C (en) *	1988-12-21	1994-08-30	Murray A. Davis	Hearing aid
WO1992004792A1 (en) *	1990-09-06	1992-03-19	British Telecommunications Public Limited Company	Noise-cancelling handset
US5204907A (en) *	1991-05-28	1993-04-20	Motorola, Inc.	Noise cancelling microphone and boot mounting arrangement
JPH067205A (en) *	1992-06-26	1994-01-18	Ngk Insulators Ltd	Metallic inner cushion for shoes
US5524056A (en)	1993-04-13	1996-06-04	Etymotic Research, Inc.	Hearing aid having plural microphones and a microphone switching system
US6151399A (en)	1996-12-31	2000-11-21	Etymotic Research, Inc.	Directional microphone system providing for ease of assembly and disassembly
US5878147A (en) *	1996-12-31	1999-03-02	Etymotic Research, Inc.	Directional microphone assembly
US7881486B1 (en) *	1996-12-31	2011-02-01	Etymotic Research, Inc.	Directional microphone assembly
WO2000002419A1 (en) *	1998-07-01	2000-01-13	Resound Corporation	External microphone protective membrane
US6597793B1 (en)	1998-08-06	2003-07-22	Resistance Technology, Inc.	Directional/omni-directional hearing aid microphone and housing
US6690806B1 (en) *	1999-04-01	2004-02-10	Resistance Technology, Inc.	Various directional/omni-directional hearing aid microphone and housing structures
WO2000079835A1 (en) *	1999-06-16	2000-12-28	Phonak Ag	Hearing-aid, worn behind the ear
US6876749B1 (en)	1999-07-12	2005-04-05	Etymotic Research, Inc.	Microphone for hearing aid and communications applications having switchable polar and frequency response characteristics
US20020001391A1 (en) *	2000-03-16	2002-01-03	Resistance Technology, Inc.	Acoustic switch with electronic switching capability
DE20009593U1 (en) *	2000-05-30	2000-08-10	AS Audio Service GmbH, 32051 Herford	Hearing aid bracket for BTE hearing aids
ATE548862T1 (en) *	2000-10-05	2012-03-15	Etymotic Res Inc	DIRECTIONAL MICROPHONE ASSEMBLY
US7136497B2 (en) *	2002-04-17	2006-11-14	Knowles Electronics, Llc.	Acoustical switch for a directional microphone
US7072482B2 (en)	2002-09-06	2006-07-04	Sonion Nederland B.V.	Microphone with improved sound inlet port
US7751579B2 (en) *	2003-06-13	2010-07-06	Etymotic Research, Inc.	Acoustically transparent debris barrier for audio transducers
US7233679B2 (en) *	2003-09-30	2007-06-19	Motorola, Inc.	Microphone system for a communication device
US20060274909A1 (en) *	2003-10-03	2006-12-07	Oticon A/S	Hearing aid with printed circuit board and microphone suspension
NL2000085C2 (en) *	2006-06-02	2007-12-04	Varibel B V	Glasses with hearing aids that only use one omnidirectional microphone per ear bracket.
US8111839B2 (en) *	2007-04-09	2012-02-07	Personics Holdings Inc.	Always on headwear recording system
US7832080B2 (en) *	2007-10-11	2010-11-16	Etymotic Research, Inc.	Directional microphone assembly
EP2345259B1 (en) *	2008-10-10	2021-03-17	Knowles IPC (M) Sdn. Bhd.	Acoustic valve mechanisms
US8447054B2 (en) *	2009-11-11	2013-05-21	Analog Devices, Inc.	Microphone with variable low frequency cutoff
DE102009056916B4 (en) *	2009-12-03	2011-07-21	Siemens Medical Instruments Pte. Ltd.	Hearing aid with a space-saving arrangement of microphones and sound openings
US20130177192A1 (en) *	2011-10-25	2013-07-11	Knowles Electronics, Llc	Vented Microphone Module
KR101783191B1 (en)	2013-03-14	2017-09-29	로베르트 보쉬 게엠베하	Digital acoustic low frequency response control for mems microphones
US9859879B2 (en)	2015-09-11	2018-01-02	Knowles Electronics, Llc	Method and apparatus to clip incoming signals in opposing directions when in an off state
CN107249157A (en) *	2017-08-09	2017-10-13	陆文胜	One kind orientation noise cancelling headphone microphone
DE202018107148U1 (en)	2017-12-29	2019-01-15	Knowles Electronics, Llc	Audio device with acoustic valve
DE102018221725A1 (en)	2018-01-08	2019-07-11	Knowles Electronics, Llc	Audio device with valve state management
US10932069B2 (en)	2018-04-12	2021-02-23	Knowles Electronics, Llc	Acoustic valve for hearing device
WO2020105443A1 (en)	2018-11-20	2020-05-28	東レ株式会社	Protective clothing
US10917731B2 (en)	2018-12-31	2021-02-09	Knowles Electronics, Llc	Acoustic valve for hearing device
US11102576B2 (en)	2018-12-31	2021-08-24	Knowles Electronicis, LLC	Audio device with audio signal processing based on acoustic valve state
US11774320B1 (en) *	2022-11-18	2023-10-03	xMEMS Labs, Inc.	Acoustic impedance measuring system and acoustic impedance measuring method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3770911A (en) *	1972-07-21	1973-11-06	Industrial Research Prod Inc	Hearing aid system

1973
- 1973-02-05 US US00329673A patent/US3835263A/en not_active Expired - Lifetime
- 1973-09-17 GB GB4352373A patent/GB1430200A/en not_active Expired
- 1973-09-24 AT AT820273A patent/AT332465B/en not_active IP Right Cessation
- 1973-09-25 CA CA181,886A patent/CA991738A/en not_active Expired
- 1973-11-06 FR FR7339389A patent/FR2216745B1/fr not_active Expired
- 1973-12-13 NL NL7317130A patent/NL167832C/en not_active IP Right Cessation
- 1973-12-24 JP JP14367073A patent/JPS5317444B2/ja not_active Expired
1974
- 1974-02-04 DK DK58074A patent/DK149294C/en not_active IP Right Cessation
- 1974-02-05 CH CH158974A patent/CH587594A5/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
JPS49107723A (en)	1974-10-14
FR2216745A1 (en)	1974-08-30
DE2400666A1 (en)	1974-08-08
NL167832C (en)	1982-01-18
JPS5317444B2 (en)	1978-06-08
DE2400666B2 (en)	1977-05-18
ATA820273A (en)	1976-01-15
CA991738A (en)	1976-06-22
GB1430200A (en)	1976-03-31
FR2216745B1 (en)	1978-11-17
CH587594A5 (en)	1977-05-13
US3835263A (en)	1974-09-10
DK149294B (en)	1986-04-21
NL7317130A (en)	1974-08-07
AT332465B (en)	1976-09-27
NL167832B (en)	1981-08-17
AU6048473A (en)	1975-03-20

Legal Events

Date	Code	Title	Description
1991-10-21	PBP	Patent lapsed

Publication	Publication Date	Title
NL7508270A (en)	1976-01-14	MICROPHONE DEVICE.
SE386800B (en)	1976-08-16	MICROPHONE UNIT
NL7512558A (en)	1976-05-04	STEREO MICROPHONE DEVICE.
SE404645B (en)	1978-10-16	SPEAKER DEVICE
SE399743B (en)	1978-02-27	PARTY DEVICE
DK135480C (en)	1977-10-17	MAIN MICROPHONE
IT973098B (en)	1974-06-10	MEMBRANE SEPARATOR APPARATUS
DK138570B (en)	1978-09-25	Speaker device.
BE797074A (en)	1973-09-21	SPEAKING TELEPHONE SET
BR7301184D0 (en)	1973-10-04	ANTI-CONCEPTIONAL DEVICE FOR INFRA-UTERINE APPLICATION
DK138569B (en)	1978-09-25	Speaker device.
IT987490B (en)	1975-02-20	HEADSET DEVICE FOR LISTENING
SE391115B (en)	1977-02-07	PARTY DEVICE
IT1003592B (en)	1976-06-10	MICROPHONE
SE401249B (en)	1978-04-24	PRESSURE REDUCTION DEVICE
SE417297B (en)	1981-03-09	pressure device
SE7512570L (en)	1976-05-17	DELIVERY DEVICE FOR VULK PRESSES
DK596183A (en)	1983-12-23	ROTATING PRESSURE DEVICE
SE392195B (en)	1977-03-14	DEVICE FOR USE IN A PHOTO PHONE SYSTEM
SE7404632L (en)	1975-10-06	PRESS DEVICE.
BE842666A (en)	1976-12-08	ROTATING PRESSURE DEVICE
SE389954C (en)	1984-05-07	telephone apparatus
NL7512557A (en)	1976-05-04	MICROPHONE DEVICE.
SE401766B (en)	1978-05-22	DEVICE FOR A CONDENSER MICROPHONE
AT357872B (en)	1980-08-11	SOUND FILM DEVICE