NL274947A - - Google Patents
Info
- Publication number
- NL274947A NL274947A NL274947DA NL274947A NL 274947 A NL274947 A NL 274947A NL 274947D A NL274947D A NL 274947DA NL 274947 A NL274947 A NL 274947A
- Authority
- NL
- Netherlands
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
- H04R9/02—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
-
- 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
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
-
- 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
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/22—Clamping rim of diaphragm or cone against seating
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US90537A US3209084A (en) | 1961-02-20 | 1961-02-20 | Electro-acoustical transducer |
Publications (1)
Publication Number | Publication Date |
---|---|
NL274947A true NL274947A (ko) |
Family
ID=22223216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL274947D NL274947A (ko) | 1961-02-20 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3209084A (ko) |
DE (1) | DE1184803B (ko) |
NL (1) | NL274947A (ko) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6509969A (ko) * | 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 |
US5615380A (en) * | 1969-11-24 | 1997-03-25 | Hyatt; Gilbert P. | Integrated circuit computer system having a keyboard input and a sound output |
SE363956B (ko) * | 1972-06-20 | 1974-02-04 | P Beer | |
US3919499A (en) * | 1974-01-11 | 1975-11-11 | Magnepan Inc | Planar speaker |
JPS50153943U (ko) * | 1974-06-07 | 1975-12-20 | ||
JPS5189411A (ko) * | 1975-02-03 | 1976-08-05 | ||
JPS5527721A (en) * | 1978-08-18 | 1980-02-28 | Sony Corp | Diaphragm for electroacoustic converter |
JPS5750872Y2 (ko) * | 1978-09-26 | 1982-11-06 | ||
NL8102572A (nl) * | 1981-05-26 | 1982-12-16 | Philips Nv | Elektroakoestische omzetter van het band-type met lage vervorming en verbeterde gevoeligheid. |
US4468530A (en) * | 1982-01-25 | 1984-08-28 | Torgeson W Lee | Loudspeaker system |
US4703510A (en) * | 1982-06-17 | 1987-10-27 | Larson David A | Electro-acoustic transducer with diaphragm and blank therefor |
DE3517855C1 (de) * | 1985-05-08 | 1986-10-23 | Elac Phonosysteme GmbH, 2300 Kiel | Elektrodynamischer Lautsprecher |
US4939784A (en) * | 1988-09-19 | 1990-07-03 | Bruney Paul F | Loudspeaker structure |
US5430805A (en) * | 1990-12-27 | 1995-07-04 | Chain Reactions, Inc. | Planar electromagnetic transducer |
ID23968A (id) * | 1997-07-09 | 2000-06-14 | Sonic Window Kabushiki Kaisha | Peralatan pengubah akustik datar |
US5850461A (en) * | 1997-10-03 | 1998-12-15 | Sonigistix Corporation | Diaphragm support frames for acoustic transducers and method of assembly |
US6097830A (en) * | 1997-11-17 | 2000-08-01 | Sonigistix Corporation | Transducer diaphragm with thermal strain relief |
CA2401886A1 (en) * | 2000-03-03 | 2001-09-13 | American Technology Corporation | Single end planar magnetic speaker |
US6934402B2 (en) | 2001-01-26 | 2005-08-23 | American Technology Corporation | Planar-magnetic speakers with secondary magnetic structure |
NL1022820C2 (nl) * | 2003-03-03 | 2004-09-06 | Alcons Audio Bv | Luidspreker. |
US8942408B1 (en) | 2011-07-22 | 2015-01-27 | James Joseph Croft, III | Magnetically one-side driven planar transducer with improved electro-magnetic circuit |
US9197965B2 (en) | 2013-03-15 | 2015-11-24 | James J. Croft, III | Planar-magnetic transducer with improved electro-magnetic circuit |
DE102017102219A1 (de) | 2017-02-06 | 2018-08-09 | Sennheiser Electronic Gmbh & Co. Kg | Planardynamischer Wandler |
DE102020112950A1 (de) * | 2020-05-13 | 2021-11-18 | Grawe & Schneider GdbR (vertretungsberechtigte Gesellschafter: Thomas Grawe, 83088 Kiefersfelden und Gerd-Peter Schneider, 84032 Landshut) | Spule |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB262910A (en) * | 1925-11-21 | 1926-12-23 | Edward Alfred Graham | Improvements in or relating to telephone transmitters and receivers |
US2427844A (en) * | 1942-12-16 | 1947-09-23 | Gylling & Co Ab | Vibratory unit for electrodynamic loud-speakers |
US2535757A (en) * | 1946-06-25 | 1950-12-26 | John J Root | Peripherally driven electroacoustical transducer |
NL236904A (ko) * | 1958-03-07 | |||
US3066200A (en) * | 1958-08-11 | 1962-11-27 | William Ward Jackson | Speaker device |
-
0
- NL NL274947D patent/NL274947A/xx unknown
-
1961
- 1961-02-20 US US90537A patent/US3209084A/en not_active Expired - Lifetime
-
1962
- 1962-02-19 DE DEY558A patent/DE1184803B/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE1184803B (de) | 1965-01-07 |
US3209084A (en) | 1965-09-28 |