CN1302057A - 压差话筒 - Google Patents
压差话筒 Download PDFInfo
- Publication number
- CN1302057A CN1302057A CN00137500.8A CN00137500A CN1302057A CN 1302057 A CN1302057 A CN 1302057A CN 00137500 A CN00137500 A CN 00137500A CN 1302057 A CN1302057 A CN 1302057A
- Authority
- CN
- China
- Prior art keywords
- microphone
- shell
- hole
- acoustic pickup
- sound
- 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.)
- Granted
Links
- 230000009467 reduction Effects 0.000 claims description 8
- 230000005855 radiation Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 claims description 3
- 230000001755 vocal effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000005534 acoustic noise Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 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
- H04R1/32—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)
- Details Of Audible-Bandwidth Transducers (AREA)
- Selective Calling Equipment (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19963217.0 | 1999-12-28 | ||
| DE19963217A DE19963217A1 (de) | 1999-12-28 | 1999-12-28 | Differenzdruckmikrofon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1302057A true CN1302057A (zh) | 2001-07-04 |
| CN1158643C CN1158643C (zh) | 2004-07-21 |
Family
ID=7934648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001375008A Expired - Lifetime CN1158643C (zh) | 1999-12-28 | 2000-12-28 | 压差话筒 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6587569B2 (zh) |
| EP (1) | EP1113701A3 (zh) |
| JP (1) | JP2001218290A (zh) |
| CN (1) | CN1158643C (zh) |
| DE (1) | DE19963217A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100508647C (zh) * | 2002-02-26 | 2009-07-01 | Akg声学有限公司 | 压差话筒炭精盒 |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7415122B2 (en) | 2000-05-25 | 2008-08-19 | Qnx Software Systems (Wavemakers), Inc. | Microphone shield system |
| US7447624B2 (en) * | 2001-11-27 | 2008-11-04 | Sun Microsystems, Inc. | Generation of localized software applications |
| JP4710622B2 (ja) * | 2006-01-20 | 2011-06-29 | 日本電気株式会社 | 携帯端末及び携帯端末のノイズ防止構造 |
| US8009851B2 (en) * | 2006-11-22 | 2011-08-30 | Sony Ericsson Mobile Communications | Noise reduction system and method |
| US9968256B2 (en) | 2007-03-08 | 2018-05-15 | Sync-Rx Ltd. | Automatic identification of a tool |
| US11064964B2 (en) | 2007-03-08 | 2021-07-20 | Sync-Rx, Ltd | Determining a characteristic of a lumen by measuring velocity of a contrast agent |
| WO2014002095A2 (en) | 2012-06-26 | 2014-01-03 | Sync-Rx, Ltd. | Flow-related image processing in luminal organs |
| US11197651B2 (en) | 2007-03-08 | 2021-12-14 | Sync-Rx, Ltd. | Identification and presentation of device-to-vessel relative motion |
| JP5250899B2 (ja) * | 2007-10-16 | 2013-07-31 | 船井電機株式会社 | 携帯電話およびマイクロホンユニット |
| US20100111345A1 (en) * | 2008-11-05 | 2010-05-06 | Douglas Andrea | Miniature stylish noise and wind canceling microphone housing, providing enchanced speech recognition performance for wirless headsets |
| EP2911407A1 (en) * | 2014-02-19 | 2015-08-26 | Thomson Licensing | Method and apparatus for providing supplemental information associated with a tv program |
| DE102015203542A1 (de) | 2015-02-27 | 2016-09-01 | Sennheiser Electronic Gmbh & Co. Kg | Mikrofoneinheit |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2627932A (en) * | 1947-01-30 | 1953-02-10 | Rca Corp | Acoustic filter for microphones |
| DE2755633C2 (de) * | 1977-12-14 | 1982-04-01 | Siegfried R. Dipl.-Math. 7000 Stuttgart Ruppertsberg | Fernsteuerung zum Steuern, Ein- und Umschalten von variablen und festen Gerätefunktionen und Funktionsgrößen in nachrichtentechn. Geräten |
| US4151378A (en) * | 1978-05-08 | 1979-04-24 | Electro-Voice, Incorporated | Electrostatic microphone with damping to improve omnidirectionality, flatten frequency response, reduce wind noise |
| DE3700594A1 (de) | 1986-01-16 | 1987-07-23 | Akg Akustische Kino Geraete | Druckgradientenempfaenger |
| JP2541621B2 (ja) * | 1988-04-20 | 1996-10-09 | 株式会社プリモ | 指向性マイクロホン |
| JPH04102394U (ja) * | 1991-01-30 | 1992-09-03 | 株式会社ホンダアクセス | 自動2輪車用通信装置のマイク |
| US5410608A (en) * | 1992-09-29 | 1995-04-25 | Unex Corporation | Microphone |
| US5400408A (en) * | 1993-06-23 | 1995-03-21 | Apple Computer, Inc. | High performance stereo sound enclosure for computer visual display monitor and method for construction |
| DE19541648C2 (de) * | 1995-11-08 | 2000-10-05 | Siemens Audiologische Technik | Einrichtung zur Übertragung von Programmierdaten an Hörhilfegeräte |
| JPH1042017A (ja) * | 1996-07-19 | 1998-02-13 | Nec Corp | 送話部構造 |
| FI970409A7 (fi) * | 1997-01-31 | 1998-08-01 | Nokia Corp | Menetelmä mikrofonin suojaamiseksi ulkoisilta häiriötekijäiltä ja mikrofonin häiriösuojus |
-
1999
- 1999-12-28 DE DE19963217A patent/DE19963217A1/de not_active Withdrawn
-
2000
- 2000-12-15 EP EP00127509A patent/EP1113701A3/en not_active Withdrawn
- 2000-12-20 US US09/741,533 patent/US6587569B2/en not_active Expired - Lifetime
- 2000-12-26 JP JP2000394100A patent/JP2001218290A/ja active Pending
- 2000-12-28 CN CNB001375008A patent/CN1158643C/zh not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100508647C (zh) * | 2002-02-26 | 2009-07-01 | Akg声学有限公司 | 压差话筒炭精盒 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1113701A3 (en) | 2004-09-22 |
| DE19963217A1 (de) | 2001-07-12 |
| EP1113701A2 (en) | 2001-07-04 |
| US6587569B2 (en) | 2003-07-01 |
| US20010005418A1 (en) | 2001-06-28 |
| CN1158643C (zh) | 2004-07-21 |
| JP2001218290A (ja) | 2001-08-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190423 Address after: Paris France Patentee after: International Digital Madison Patent Holding Co. Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING Effective date of registration: 20190423 Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING S.A. Effective date of registration: 20190423 Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING S.A. Address before: German villingen schwenningen Patentee before: Germany THOMSON-BRANDT company |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20040721 |