DK102969C - Electroacoustic transducer. - Google Patents
Electroacoustic transducer.Info
- Publication number
- DK102969C DK102969C DK80459AA DK80459A DK102969C DK 102969 C DK102969 C DK 102969C DK 80459A A DK80459A A DK 80459AA DK 80459 A DK80459 A DK 80459A DK 102969 C DK102969 C DK 102969C
- Authority
- DK
- Denmark
- Prior art keywords
- electroacoustic transducer
- electroacoustic
- transducer
- Prior art date
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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
-
- 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
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/046—Construction
- H04R9/047—Construction in which the windings of the moving coil lay in the same plane
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL1116858 | 1958-03-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK102969C true DK102969C (en) | 1965-11-01 |
Family
ID=11043133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK80459AA DK102969C (en) | 1958-03-07 | 1959-03-05 | Electroacoustic transducer. |
Country Status (8)
Country | Link |
---|---|
US (1) | US3013905A (en) |
BE (1) | BE576384A (en) |
CH (1) | CH373781A (en) |
DE (1) | DE1094802B (en) |
DK (1) | DK102969C (en) |
FR (1) | FR1218259A (en) |
GB (1) | GB869620A (en) |
NL (2) | NL112193C (en) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3139490A (en) * | 1958-10-15 | 1964-06-30 | Lyons Philip Daniel | Sound reproducing and recording device |
US3164686A (en) * | 1959-09-21 | 1965-01-05 | Tibbetts Industries | Electrodynamic transducer |
FR1269138A (en) * | 1960-06-23 | 1961-08-11 | Improvements to loudspeakers, microphones, and similar electrodynamic devices | |
US3141071A (en) * | 1960-07-18 | 1964-07-14 | Rosen Alfred H | Full range electroacoustic transducers |
NL274947A (en) * | 1961-02-20 | |||
US3132215A (en) * | 1961-03-03 | 1964-05-05 | Maico Electronics Inc | Acoustical device |
AT239344B (en) * | 1963-03-13 | 1965-03-25 | Akg Akustische Kino Geraete | Electrodynamic headphones |
NL290698A (en) * | 1963-03-26 | |||
NL6509969A (en) * | 1965-07-31 | 1967-02-01 | ||
US3497642A (en) * | 1966-02-28 | 1970-02-24 | Intron Int Inc | Transducer diaphragm imbedded with conductively-coated ferromagnetic particles |
FR2137567B1 (en) * | 1971-05-07 | 1977-08-26 | Rank Organisation Ltd | |
SE363956B (en) * | 1972-06-20 | 1974-02-04 | P Beer | |
US3898598A (en) * | 1974-01-24 | 1975-08-05 | Foster Tsushin Kogyo | Dynamic electroacoustic transducer |
US3922504A (en) * | 1975-01-02 | 1975-11-25 | Foster Electric Co Ltd | Electroacoustic transducer |
US4013846A (en) * | 1975-08-28 | 1977-03-22 | Minnesota Mining And Manufacturing Company | Piston loudspeaker |
US4210786A (en) * | 1979-01-24 | 1980-07-01 | Magnepan, Incorporated | Magnetic field structure for planar speaker |
NL7908447A (en) * | 1979-11-20 | 1981-06-16 | Philips Nv | MAGNETIC SYSTEM FOR AN ELECTROACOUSTIC CONVERTER. |
US4413161A (en) * | 1980-02-09 | 1983-11-01 | Nippon Gakki Seizo Kabushiki Kaisha | Electro-acoustic transducer |
US4384173A (en) * | 1980-08-01 | 1983-05-17 | Granus Corporation | Electromagnetic planar diaphragm transducer |
DE3123098C2 (en) * | 1981-06-11 | 1983-06-01 | Martin 4600 Dortmund Stute | Membrane for electroacoustic transducer systems |
US4550228A (en) * | 1983-02-22 | 1985-10-29 | Apogee Acoustics, Inc. | Ribbon speaker system |
GB2154096A (en) * | 1984-02-08 | 1985-08-29 | Chien Yuan Liu | Loudspeaker |
AU1189592A (en) * | 1991-01-17 | 1992-08-27 | Roger A. Adelman | Improved hearing apparatus |
CN1233199C (en) * | 2000-03-03 | 2005-12-21 | 美国技术公司 | Single and planar magnetic speaker |
US6934402B2 (en) * | 2001-01-26 | 2005-08-23 | American Technology Corporation | Planar-magnetic speakers with secondary magnetic structure |
US20040200801A1 (en) * | 2001-11-19 | 2004-10-14 | Lai Laurence M.C. | Manufacture having double sided features in a metal-containing web and manufacture and method for forming same in a liquid-based etch process |
US8358801B2 (en) * | 2007-02-12 | 2013-01-22 | Robert Katz | Magnetic circuit for electrodynamic moving voice coil actuators |
US20090175488A1 (en) * | 2008-01-09 | 2009-07-09 | Jui-Cheng Chang | Diaphragm and Electrical-Acoustic Transducer having the same |
US8942408B1 (en) | 2011-07-22 | 2015-01-27 | James Joseph Croft, III | Magnetically one-side driven planar transducer with improved electro-magnetic circuit |
US8774430B2 (en) * | 2011-12-02 | 2014-07-08 | Thomas Paul Heed | Linear interleaved magnetic motor and loudspeaker transducer using same |
US9197965B2 (en) | 2013-03-15 | 2015-11-24 | James J. Croft, III | Planar-magnetic transducer with improved electro-magnetic circuit |
DE102014211687A1 (en) * | 2014-06-18 | 2015-12-24 | Sennheiser Electronic Gmbh & Co. Kg | Electrodynamic transducer |
DE102017122660A1 (en) * | 2016-10-04 | 2018-04-05 | Sennheiser Electronic Gmbh & Co. Kg | Planar dynamic transducer |
RU199764U1 (en) * | 2020-06-09 | 2020-09-21 | Сергей Юрьевич Глазырин | MATRIX Emitter |
US11956589B1 (en) | 2021-07-13 | 2024-04-09 | Wisdom Audio Corp. | PMD speaker mounting assembly and thermal control system for multiple drivers |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE484339C (en) * | 1929-10-15 | Lorenz Akt Ges C | Electrodynamic telephone, especially for loudspeakers | |
US1238439A (en) * | 1914-04-24 | 1917-08-28 | Rudow Rummler | Telephone for transmitting and reproducing sounds. |
US1877254A (en) * | 1930-09-12 | 1932-09-13 | Gen Motors Radio Corp | Sheet material |
US2269149A (en) * | 1939-11-24 | 1942-01-06 | Gen Electric | Permanent magnet |
US2565591A (en) * | 1946-10-05 | 1951-08-28 | Pentone Inc | Electrical earphone device |
GB674470A (en) * | 1950-06-01 | 1952-06-25 | Frank Thomas Cooper | Improvements in or relating to ribbon microphones |
DE971374C (en) * | 1951-04-23 | 1959-01-15 | Philips Nv | Magnet body, consisting of a ferromagnetic part with high permeability and an embedded permanent magnet in the form of a thin, elongated body |
US2722617A (en) * | 1951-11-28 | 1955-11-01 | Hartford Nat Bank & Trust Comp | Magnetic circuits and devices |
CH314504A (en) * | 1953-05-22 | 1956-06-15 | Bohli Jakob | Magnetic system for dynamic ribbon microphone |
US2903673A (en) * | 1954-01-06 | 1959-09-08 | Harris Transducer Corp | Acoustical impedance-matching transducer |
-
0
- NL NL236904D patent/NL236904A/xx unknown
- NL NL112193D patent/NL112193C/xx active
-
1958
- 1958-11-20 US US775252A patent/US3013905A/en not_active Expired - Lifetime
-
1959
- 1959-02-20 GB GB6007/59A patent/GB869620A/en not_active Expired
- 1959-02-21 DE DEG26436A patent/DE1094802B/en active Pending
- 1959-02-26 CH CH7007959A patent/CH373781A/en unknown
- 1959-03-05 FR FR788523A patent/FR1218259A/en not_active Expired
- 1959-03-05 DK DK80459AA patent/DK102969C/en active
- 1959-03-05 BE BE576384A patent/BE576384A/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE1094802B (en) | 1960-12-15 |
GB869620A (en) | 1961-05-31 |
NL236904A (en) | |
CH373781A (en) | 1963-12-15 |
BE576384A (en) | 1959-07-01 |
US3013905A (en) | 1961-12-19 |
NL112193C (en) | |
FR1218259A (en) | 1960-05-10 |
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