DD105540A5 - - Google Patents
Info
- Publication number
- DD105540A5 DD105540A5 DD172554A DD17255473A DD105540A5 DD 105540 A5 DD105540 A5 DD 105540A5 DD 172554 A DD172554 A DD 172554A DD 17255473 A DD17255473 A DD 17255473A DD 105540 A5 DD105540 A5 DD 105540A5
- Authority
- DD
- German Democratic Republic
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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
- H04R9/063—Loudspeakers using a plurality of acoustic drivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2236374A DE2236374C3 (de) | 1972-07-25 | 1972-07-25 | Elektroakustisches Wandlersystem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD105540A5 true DD105540A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-04-20 |
Family
ID=5851586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD172554A DD105540A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-07-25 | 1973-07-23 |
Country Status (13)
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2500397C2 (de) * | 1975-01-07 | 1986-05-28 | Schorlemer, Frhr. von, Reinfried, Dipl.-Phys., 3500 Kassel | Membran für ein elektroakustisches Wandlersystem und damit ausgerüstetes elektroakustisches Wandlersystem |
| GB1491080A (en) * | 1975-03-15 | 1977-11-09 | B & W Loudspeakers | Loudspeakers |
| US4013846A (en) * | 1975-08-28 | 1977-03-22 | Minnesota Mining And Manufacturing Company | Piston loudspeaker |
| CA1098774A (en) * | 1976-05-17 | 1981-04-07 | Hirotoshi Niguchi | Acoustic diaphragm with polyurethane elastomer coating |
| US4334127A (en) * | 1979-06-30 | 1982-06-08 | Pioneer Electronic Corporation | Magnetic circuit for planar diaphragm type loudspeaker |
| DE3024730C2 (de) * | 1979-06-30 | 1982-12-23 | Pioneer Electronic Corp., Tokyo | Lautsprechersystem |
| US4360707A (en) * | 1980-11-24 | 1982-11-23 | Cts Corporation | Digitally driven combination coils for electrodynamic acoustic transducers |
| DE3123098C2 (de) * | 1981-06-11 | 1983-06-01 | Martin 4600 Dortmund Stute | Membran für elektroakustische Wandlersysteme |
| NL8301653A (nl) * | 1983-05-10 | 1984-12-03 | Philips Nv | Elektro-akoestische omzetter met een luchtdoorlatend membraan. |
| GB8321810D0 (en) * | 1983-08-12 | 1983-09-14 | Linn Prod Ltd | Loudspeaker with notional feedback |
| DE3521845A1 (de) * | 1985-06-19 | 1987-01-02 | Martin Stute | Elektrodynamischer lautsprecher |
| US4737992A (en) * | 1985-11-15 | 1988-04-12 | Bose Corporation | Compact electroacoustical transducer with spider covering rear basket opening |
| JP2823157B2 (ja) * | 1986-04-01 | 1998-11-11 | キヤノン株式会社 | オーデイオ出力システム |
| JPH0695798B2 (ja) * | 1986-08-04 | 1994-11-24 | 松下電器産業株式会社 | スピ−カ用振動板 |
| JPH01295598A (ja) * | 1988-02-26 | 1989-11-29 | Yasuhiro Shinjiyou | スピーカー |
| FR2650720A1 (fr) * | 1989-08-01 | 1991-02-08 | Blasquez Michel | Haut-parleur hi-fi |
| DE3929266C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1989-09-02 | 1991-01-03 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | |
| US5197104A (en) * | 1991-04-18 | 1993-03-23 | Josef Lakatos | Electrodynamic loudspeaker with electromagnetic impedance sensor coil |
| DE4213991A1 (de) * | 1992-04-30 | 1993-11-04 | Ingo Kintzel Prototypenbau | Lautsprecher-membrane |
| CH684670A5 (de) * | 1992-10-20 | 1994-11-15 | Gyoergy Csikos | Verfahren zum Wandeln der mechanischen Schwingung eines Treibers in ein akustisches Signal und Wandler zu dessen Ausführung. |
| JP2981360B2 (ja) * | 1993-03-30 | 1999-11-22 | 株式会社ケンウッド | スピーカ構造 |
| DE19648986C1 (de) * | 1996-11-26 | 1998-04-09 | Raida Hans Joachim | Gerichteter Stabstrahler |
| US6768806B1 (en) * | 1998-03-19 | 2004-07-27 | Harman International Industries, Incorporated | Shorting rings in dual-coil dual-gap loudspeaker drivers |
| US6774510B1 (en) * | 2000-10-25 | 2004-08-10 | Harman International Industries, Inc. | Electromagnetic motor with flux stabilization ring, saturation tips, and radiator |
| US20090060213A1 (en) * | 2006-01-20 | 2009-03-05 | Harry Bachmann | Method for Determining the Position of a Moving Part in an Electroacoustic Transducer |
| DE102008047796A1 (de) * | 2008-09-17 | 2010-04-15 | Siemens Aktiengesellschaft | Vorrichtung zur Erzeugung von breitbandigem Schall im Hörbereich des Menschen |
| DE102010021157A1 (de) | 2010-05-21 | 2011-11-24 | Daniela Manger | 3D-Stereospaltmikrofon |
| US20150172822A1 (en) * | 2012-08-24 | 2015-06-18 | Cheng Yih Jenq | Loudspeaker driver with dual electromagnet assemblies and loudspeaker system |
| US9191746B2 (en) * | 2012-08-24 | 2015-11-17 | Cheng Yih Jenq | Loudspeaker driver with dual electromagnet assemblies |
| GB2538809B (en) | 2015-05-29 | 2021-08-25 | B & W Group Ltd | Loudspeaker diaphragm |
| US10547949B2 (en) | 2015-05-29 | 2020-01-28 | EVA Automation, Inc. | Loudspeaker diaphragm |
| CN110024420A (zh) * | 2016-11-29 | 2019-07-16 | B & W集团有限公司 | 扬声器振膜 |
| CN115441683B (zh) * | 2022-09-26 | 2025-04-01 | 东莞市雅尚电器有限公司 | 高频电磁摆转电机 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1552311A (en) * | 1922-06-08 | 1925-09-01 | George D Kellogg | Acoustic diaphragm |
| US1827283A (en) * | 1927-01-29 | 1931-10-13 | Gen Talking Pictures Corp | Sound reproducer |
| DE521988C (de) * | 1928-06-17 | 1931-04-01 | Beyer Eugen | Schallgeraet, insbesondere Lautsprecher mit um eine Achse schwingbar gelagerter Membran |
| US1909275A (en) * | 1930-01-28 | 1933-05-16 | Philadelphia Storage Battery | Method of assembling electrodynamic sound reproducers |
| GB406749A (en) * | 1932-09-08 | 1934-03-08 | Albert Henry Midgley | Improvements in or relating to telephone transmitters or receivers for transmitting, reproducing or recording sound waves |
| US2115795A (en) * | 1936-03-04 | 1938-05-03 | Control Instr Co Inc | Magnetic unit |
| US2216961A (en) * | 1937-09-30 | 1940-10-08 | Rca Corp | Sound translating apparatus |
| DK70808C (da) * | 1946-01-09 | 1950-04-03 | For Elektroakustisk Materiel A | Elektrodynamisk mikrofon. |
| US2537253A (en) * | 1946-08-20 | 1951-01-09 | Chris S Andersen | Electrodynamic telephone receiver |
| BE496097A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1949-06-04 | |||
| US2873813A (en) * | 1955-07-27 | 1959-02-17 | Hawley Products Co | Acoustic diaphragm and method of construction |
| NL7105001A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1971-04-14 | 1972-10-17 |
-
1972
- 1972-07-25 DE DE2236374A patent/DE2236374C3/de not_active Expired
-
1973
- 1973-07-06 FR FR7324959A patent/FR2194100B1/fr not_active Expired
- 1973-07-18 SE SE7310023A patent/SE388993B/xx unknown
- 1973-07-20 NO NO2952/73A patent/NO138076C/no unknown
- 1973-07-23 GB GB3498773A patent/GB1435555A/en not_active Expired
- 1973-07-23 DD DD172554A patent/DD105540A5/xx unknown
- 1973-07-23 BR BR5554/73A patent/BR7305554D0/pt unknown
- 1973-07-24 US US05/382,157 patent/US3937905A/en not_active Expired - Lifetime
- 1973-07-24 IT IT26987/73A patent/IT991366B/it active
- 1973-07-24 CA CA177,197A patent/CA1021870A/en not_active Expired
- 1973-07-25 BE BE133852A patent/BE802780A/xx not_active IP Right Cessation
- 1973-07-25 NL NLAANVRAGE7310370,A patent/NL179861C/xx not_active IP Right Cessation
- 1973-07-25 JP JP8322273A patent/JPS5421087B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1021870A (en) | 1977-11-29 |
| JPS49109027A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-10-17 |
| BR7305554D0 (pt) | 1975-09-02 |
| NL7310370A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-01-29 |
| DE2236374A1 (de) | 1974-03-07 |
| NL179861C (nl) | 1986-11-17 |
| FR2194100B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-12-29 |
| SE388993B (sv) | 1976-10-18 |
| NO138076C (no) | 1978-06-21 |
| JPS5421087B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-07-27 |
| DE2236374C3 (de) | 1975-01-16 |
| US3937905A (en) | 1976-02-10 |
| IT991366B (it) | 1975-07-30 |
| FR2194100A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-02-22 |
| DE2236374B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-05-30 |
| NL179861B (nl) | 1986-06-16 |
| GB1435555A (en) | 1976-05-12 |
| NO138076B (no) | 1978-03-13 |
| BE802780A (fr) | 1974-01-25 |