DE1512735B2 - Akustischer Widerstand für elektroakustische Wandler - Google Patents

Akustischer Widerstand für elektroakustische Wandler

Info

Publication number: DE1512735B2
Authority: DE; Germany
Prior art keywords: support body; acoustic; grains; acoustic resistance; electroacoustic transducers
Prior art date: 1966-03-30
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.): Pending

Application number

DE1512735A

Other languages

German (de)

English (en)

Other versions

DE1512735A1 (de

Inventor

Gerrit Eindhoven Schnekel (Niederlande)

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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

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.)

1966-03-30

Filing date

1967-03-23

Publication date

1975-02-20

1967-03-23 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1969-05-14 Publication of DE1512735A1 publication Critical patent/DE1512735A1/de

1975-02-20 Publication of DE1512735B2 publication Critical patent/DE1512735B2/de

Status Pending legal-status Critical Current

Links

239000002184 metal Substances 0.000 claims description 7
229910052751 metal Inorganic materials 0.000 claims description 7
229920002457 flexible plastic Polymers 0.000 claims description 3
239000000463 material Substances 0.000 description 3
229920003023 plastic Polymers 0.000 description 3
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
229910001369 Brass Inorganic materials 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
239000010951 brass Substances 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
238000005245 sintering Methods 0.000 description 1
239000010959 steel Substances 0.000 description 1

Classifications

- 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

Landscapes

Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Soundproofing, Sound Blocking, And Sound Damping (AREA)
Details Of Audible-Bandwidth Transducers (AREA)
Exhaust Silencers (AREA)

DE1512735A 1966-03-30 1967-03-23 Akustischer Widerstand für elektroakustische Wandler Pending DE1512735B2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL6604150A NL6604150A (fr)	1966-03-30	1966-03-30

Publications (2)

Publication Number	Publication Date
DE1512735A1 DE1512735A1 (de)	1969-05-14
DE1512735B2 true DE1512735B2 (de)	1975-02-20

Family

ID=19796133

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE1512735A Pending DE1512735B2 (de)	1966-03-30	1967-03-23	Akustischer Widerstand für elektroakustische Wandler

Country Status (7)

Country	Link
US (1)	US3381773A (fr)
AT (1)	AT271590B (fr)
BE (1)	BE696354A (fr)
DE (1)	DE1512735B2 (fr)
FR (1)	FR1515775A (fr)
GB (1)	GB1130661A (fr)
NL (1)	NL6604150A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1245803A (en) *	1967-09-28	1971-09-08	Matsushita Electric Ind Co Ltd	Microphone device
US3930560A (en) *	1974-07-15	1976-01-06	Industrial Research Products, Inc.	Damping element
DE3102870A1 (de) *	1981-01-29	1982-08-19	Hans-Joachim 3300 Braunschweig Gieger	Gehaeuselautsprecher
US4837833A (en) *	1988-01-21	1989-06-06	Industrial Research Products, Inc.	Microphone with frequency pre-emphasis channel plate
US8615097B2 (en)	2008-02-21	2013-12-24	Bose Corportion	Waveguide electroacoustical transducing
US8351630B2 (en)	2008-05-02	2013-01-08	Bose Corporation	Passive directional acoustical radiating
US8630435B2 (en) *	2008-08-08	2014-01-14	Nokia Corporation	Apparatus incorporating an adsorbent material, and methods of making same
US9078063B2 (en)	2012-08-10	2015-07-07	Knowles Electronics, Llc	Microphone assembly with barrier to prevent contaminant infiltration
JP6284446B2 (ja) *	2014-06-27	2018-02-28	株式会社オーディオテクニカ	ダイナミックマイクロホンおよび背部空気室の成形方法
US10057701B2 (en)	2015-03-31	2018-08-21	Bose Corporation	Method of manufacturing a loudspeaker
US9451355B1 (en)	2015-03-31	2016-09-20	Bose Corporation	Directional acoustic device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2152205A (en) *	1937-03-18	1939-03-28	Ingersoll Rand Co	Muffler
US2576610A (en) *	1944-04-10	1951-11-27	Gen Motors Corp	Restricter
NL102054C (fr) *	1954-01-11
US3293379A (en) *	1961-01-17	1966-12-20	Gorike Rudolf	Earphone
US3163256A (en) *	1962-06-06	1964-12-29	Corning Glass Works	Muffler with ceramic honeycomb baffle
US3163255A (en) *	1963-04-04	1964-12-29	Air Mite Devices Inc	Exhaust valve silencer with sintered metal silencing disc
US3270834A (en) *	1965-09-10	1966-09-06	Atlas Copco Ab	Pneumatic tool having exhaust noise reducing means

1966
- 1966-03-30 NL NL6604150A patent/NL6604150A/xx unknown
1967
- 1967-02-21 US US617543A patent/US3381773A/en not_active Expired - Lifetime
- 1967-03-23 DE DE1512735A patent/DE1512735B2/de active Pending
- 1967-03-28 AT AT293467A patent/AT271590B/de active
- 1967-03-28 GB GB13975/67A patent/GB1130661A/en not_active Expired
- 1967-03-30 FR FR100831A patent/FR1515775A/fr not_active Expired
- 1967-03-30 BE BE696354D patent/BE696354A/xx unknown

Also Published As

Publication number	Publication date
FR1515775A (fr)	1968-03-01
GB1130661A (en)	1968-10-16
DE1512735A1 (de)	1969-05-14
NL6604150A (fr)	1967-10-02
AT271590B (de)	1969-06-10
BE696354A (fr)	1967-10-02
US3381773A (en)	1968-05-07

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