GB1228775A - - Google Patents
Info
- Publication number
- GB1228775A GB1228775A GB2615167A GB1228775DA GB1228775A GB 1228775 A GB1228775 A GB 1228775A GB 2615167 A GB2615167 A GB 2615167A GB 1228775D A GB1228775D A GB 1228775DA GB 1228775 A GB1228775 A GB 1228775A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sections
- loud
- network
- diaphragm
- speaker
- 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
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
-
- 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
- H04R19/02—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2615167 | 1967-06-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1228775A true GB1228775A (fi) | 1971-04-21 |
Family
ID=10239180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2615167A Expired GB1228775A (fi) | 1967-06-06 | 1967-06-06 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3773984A (fi) |
DE (1) | DE1762375C3 (fi) |
FR (1) | FR1601302A (fi) |
GB (1) | GB1228775A (fi) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2173068A (en) * | 1985-02-08 | 1986-10-01 | Furuno Electric Co | Beam forming device |
US4799265A (en) * | 1986-07-08 | 1989-01-17 | U.S. Philips Corporation | Electrostatic transducer unit |
WO2009127787A1 (en) * | 2008-04-18 | 2009-10-22 | Panphonics Oy | Directing sound field of actuator |
GB2520352A (en) * | 2013-11-19 | 2015-05-20 | Mellow Acoustics Ltd | Loudspeakers and loudspeaker drive circuits |
WO2021243367A1 (en) * | 2020-05-29 | 2021-12-02 | Shure Acquisition Holdings, Inc. | Segmented stator plates for electrostatic transducers |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3892927A (en) * | 1973-09-04 | 1975-07-01 | Theodore Lindenberg | Full range electrostatic loudspeaker for audio frequencies |
AT361555B (de) * | 1979-02-12 | 1981-03-25 | Akg Akustische Kino Geraete | Kopfhoerer |
BG34753A1 (en) | 1982-01-22 | 1983-11-15 | Knchev | Electrostatic acoustic converter |
US4703509A (en) * | 1985-06-19 | 1987-10-27 | Zavod Za Elektronni Preobrazuvatelni Elementi | Electrostatic acoustic converter with stationary electrode having a progressively increasing surface resistance |
DE102004048990A1 (de) * | 2004-10-04 | 2006-04-06 | Volkswagen Ag | Lautsprecheranordnung in einem Kraftfahrzeug |
ES2368281T3 (es) * | 2006-10-16 | 2011-11-16 | Thx Ltd | Configuraciones de matriz de altavoces en línea y procesamiento del sonido relacionado. |
NO331450B1 (no) * | 2009-06-17 | 2012-01-02 | E Scape As | Høyttaleranordning |
WO2010137988A1 (en) | 2009-05-29 | 2010-12-02 | Leiv Eiriksson Nyskapning As | Loudspeaker arrangement |
US8831248B2 (en) * | 2010-08-04 | 2014-09-09 | Nokia Corporation | Apparatus with directivity pattern |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE373730A (fi) * | 1929-09-27 | |||
GB537931A (en) * | 1940-02-21 | 1941-07-14 | Donovan Ernest Lea Shorter | Improvements in electrostatic loudspeakers |
US2302493A (en) * | 1941-01-28 | 1942-11-17 | Gen Electric | Amplifying system |
US2387845A (en) * | 1943-06-24 | 1945-10-30 | Bell Telephone Labor Inc | Electroacoustic transducer |
US2634335A (en) * | 1948-12-18 | 1953-04-07 | Ampex Electric Corp | Magnetic recording system with negative feedback system |
US2843671A (en) * | 1954-05-19 | 1958-07-15 | David Bogen & Company Inc | Feed back amplifiers |
US2905761A (en) * | 1956-08-29 | 1959-09-22 | Siegler Corp | Control of amplifier source resistance |
US3061675A (en) * | 1958-09-09 | 1962-10-30 | Texas Instruments Inc | Loud speaker improvement |
US3135838A (en) * | 1958-12-10 | 1964-06-02 | Wright St George Lab Inc | Electrostatic loudspeaker |
US3542952A (en) * | 1967-05-18 | 1970-11-24 | Chien San Wang | Low distortion signal reproduction apparatus |
-
1967
- 1967-06-06 GB GB2615167A patent/GB1228775A/en not_active Expired
-
1968
- 1968-06-06 FR FR1601302D patent/FR1601302A/fr not_active Expired
- 1968-06-06 DE DE1762375A patent/DE1762375C3/de not_active Expired
-
1970
- 1970-11-03 US US00086614A patent/US3773984A/en not_active Expired - Lifetime
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2173068A (en) * | 1985-02-08 | 1986-10-01 | Furuno Electric Co | Beam forming device |
GB2173068B (en) * | 1985-02-08 | 1989-06-07 | Furuno Electric Co | Beam forming device |
US4799265A (en) * | 1986-07-08 | 1989-01-17 | U.S. Philips Corporation | Electrostatic transducer unit |
WO2009127787A1 (en) * | 2008-04-18 | 2009-10-22 | Panphonics Oy | Directing sound field of actuator |
US8565454B2 (en) | 2008-04-18 | 2013-10-22 | Panphonics Oy | Directing sound field of actuator |
GB2520352A (en) * | 2013-11-19 | 2015-05-20 | Mellow Acoustics Ltd | Loudspeakers and loudspeaker drive circuits |
WO2021243367A1 (en) * | 2020-05-29 | 2021-12-02 | Shure Acquisition Holdings, Inc. | Segmented stator plates for electrostatic transducers |
US11582559B2 (en) | 2020-05-29 | 2023-02-14 | Shure Acquisition Holdings, Inc. | Segmented stator plates for electrostatic transducers |
Also Published As
Publication number | Publication date |
---|---|
FR1601302A (fi) | 1970-08-17 |
DE1762375B2 (de) | 1973-03-15 |
DE1762375A1 (de) | 1970-04-30 |
US3773984A (en) | 1973-11-20 |
DE1762375C3 (de) | 1973-10-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |