ES486136A1 - Un microfono direccional segun el principio de interferencia - Google Patents
Un microfono direccional segun el principio de interferenciaInfo
- Publication number
- ES486136A1 ES486136A1 ES486136A ES486136A ES486136A1 ES 486136 A1 ES486136 A1 ES 486136A1 ES 486136 A ES486136 A ES 486136A ES 486136 A ES486136 A ES 486136A ES 486136 A1 ES486136 A1 ES 486136A1
- Authority
- ES
- Spain
- Prior art keywords
- tube
- directional microphone
- interference
- microphone
- microphone according
- 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.)
- Expired
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
- 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
Abstract
Un micrófono direccional según el principio de interferencia, con un solo tubo alargado que tiene una o más hendiduras longitudinales o aberturas laterales, en uno de cuyos extremos está dispuesto por lo menos un transductor electroacústico, caracterizado porque en la zona del extremo libre de tubo está prevista una disposición de reflector acústico que agrupa con preferencia las ondas sonoras del margen superior de frecuencias audibles hacia la abertura de entrada del tubo de interferencia.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT837578A AT358113B (de) | 1978-11-23 | 1978-11-23 | Richtmikrophon nach dem interferenzprinzip |
Publications (1)
Publication Number | Publication Date |
---|---|
ES486136A1 true ES486136A1 (es) | 1980-06-16 |
Family
ID=3604921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES486136A Expired ES486136A1 (es) | 1978-11-23 | 1979-11-20 | Un microfono direccional segun el principio de interferencia |
Country Status (8)
Country | Link |
---|---|
US (1) | US4264790A (es) |
EP (1) | EP0011817B1 (es) |
JP (1) | JPS55109100A (es) |
AT (1) | AT358113B (es) |
AU (1) | AU5285279A (es) |
CA (1) | CA1126388A (es) |
DE (2) | DE7932914U1 (es) |
ES (1) | ES486136A1 (es) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4555598A (en) * | 1983-09-21 | 1985-11-26 | At&T Bell Laboratories | Teleconferencing acoustic transducer |
JPH0681352B2 (ja) * | 1985-11-19 | 1994-10-12 | 株式会社オ−デイオテクニカ | 狭指向性マイクロホン |
JP2562295B2 (ja) * | 1985-11-19 | 1996-12-11 | 株式会社 オ−デイオテクニカ | 狭指向性マイクロホン |
US4862507A (en) * | 1987-01-16 | 1989-08-29 | Shure Brothers, Inc. | Microphone acoustical polar pattern converter |
US5161250A (en) * | 1990-04-12 | 1992-11-03 | Play Action Inc. | Single use radio device and method for using the same |
US5513384A (en) * | 1993-11-09 | 1996-04-30 | Inner Ear Communications, Inc. | System and method for providing multiple broadcasts of audio information to spectators |
US5901232A (en) * | 1996-09-03 | 1999-05-04 | Gibbs; John Ho | Sound system that determines the position of an external sound source and points a directional microphone/speaker towards it |
US5820942A (en) * | 1996-12-20 | 1998-10-13 | Ag Associates | Process for depositing a material on a substrate using light energy |
US6278377B1 (en) | 1999-08-25 | 2001-08-21 | Donnelly Corporation | Indicator for vehicle accessory |
USD444143S1 (en) | 1999-10-08 | 2001-06-26 | Telex Communications, Inc. | Microphone |
US8682005B2 (en) * | 1999-11-19 | 2014-03-25 | Gentex Corporation | Vehicle accessory microphone |
US7120261B1 (en) * | 1999-11-19 | 2006-10-10 | Gentex Corporation | Vehicle accessory microphone |
US7447320B2 (en) * | 2001-02-14 | 2008-11-04 | Gentex Corporation | Vehicle accessory microphone |
KR100864703B1 (ko) * | 1999-11-19 | 2008-10-23 | 젠텍스 코포레이션 | 차량 보조 장치 용 마이크로폰 |
AU2002250080A1 (en) | 2001-02-14 | 2002-08-28 | Gentex Corporation | Vehicle accessory microphone |
DE10208465A1 (de) * | 2002-02-27 | 2003-09-18 | Bsh Bosch Siemens Hausgeraete | Elektrisches Gerät, insbesondere Dunstabzugshaube |
JP2004075818A (ja) * | 2002-08-15 | 2004-03-11 | Fuji Photo Film Co Ltd | インク組成物及びインクジェット記録方法 |
US20060269089A1 (en) * | 2005-05-24 | 2006-11-30 | Gieson David V | Microphone shield |
WO2009117399A2 (en) * | 2008-03-17 | 2009-09-24 | Plastic Technologies, Inc. | Method and apparatus for improved detection of holes in plastic containers |
US8003878B2 (en) * | 2008-08-05 | 2011-08-23 | Gaynier David A | Electroacoustic transducer system |
US9014402B2 (en) | 2012-05-16 | 2015-04-21 | Klover Products, Inc. | Acoustically isolated parabolic sound pickup assembly |
USD733690S1 (en) | 2013-10-30 | 2015-07-07 | Kaotica Corporation | Noise mitigating microphone attachment |
US9992569B2 (en) | 2014-05-30 | 2018-06-05 | Paul D. Terpstra | Camera-mountable acoustic collection assembly |
US11268385B2 (en) | 2019-10-07 | 2022-03-08 | Nov Canada Ulc | Hybrid core progressive cavity pump |
US11813580B2 (en) | 2020-09-02 | 2023-11-14 | Nov Canada Ulc | Static mixer suitable for additive manufacturing |
DE112021000019T5 (de) * | 2021-06-29 | 2023-03-02 | Jiusheng (Tangshan) Technology Co., Ltd. | Hintere Elektrodenplatte eines Aufnahmemikrofons und Aufnahmemikrofon |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH196704A (de) * | 1937-05-26 | 1938-03-31 | Hugo Meier | Horchgerät zum Ermitteln von Geräuschen, insbesondere von herannahenden Flugzeugen. |
US2228886A (en) * | 1938-10-31 | 1941-01-14 | Rca Corp | Electroacoustical apparatus |
US2463762A (en) * | 1941-11-14 | 1949-03-08 | Automatic Elect Lab | Electroacoustical transducer |
DE1183134B (de) * | 1961-12-08 | 1964-12-10 | Heinrich Peiker | Mikrophon |
DE1214272B (de) * | 1964-08-01 | 1966-04-14 | Sennheiser Electronic | Rohrrichtmikrophon |
DE1272375B (de) * | 1964-12-01 | 1968-07-11 | Akustische | Interferenzmikrophon mit einem vor der Membran des Wandlersystems angeordneten Rohr |
US3305043A (en) * | 1965-03-08 | 1967-02-21 | Charles E Pfund | Acoustic communication device and toy |
-
1978
- 1978-11-23 AT AT837578A patent/AT358113B/de not_active IP Right Cessation
-
1979
- 1979-11-15 AU AU52852/79A patent/AU5285279A/en not_active Abandoned
- 1979-11-20 US US06/095,999 patent/US4264790A/en not_active Expired - Lifetime
- 1979-11-20 ES ES486136A patent/ES486136A1/es not_active Expired
- 1979-11-21 DE DE19797932914U patent/DE7932914U1/de not_active Expired
- 1979-11-21 DE DE7979104634T patent/DE2963451D1/de not_active Expired
- 1979-11-21 EP EP79104634A patent/EP0011817B1/de not_active Expired
- 1979-11-22 CA CA340,366A patent/CA1126388A/en not_active Expired
- 1979-11-22 JP JP15081979A patent/JPS55109100A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS55109100A (en) | 1980-08-21 |
DE7932914U1 (de) | 1980-02-28 |
EP0011817B1 (de) | 1982-07-28 |
ATA837578A (de) | 1980-01-15 |
US4264790A (en) | 1981-04-28 |
EP0011817A1 (de) | 1980-06-11 |
CA1126388A (en) | 1982-06-22 |
DE2963451D1 (en) | 1982-09-16 |
AU5285279A (en) | 1980-05-29 |
AT358113B (de) | 1980-08-25 |
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