JPS4868218A - - Google Patents
Info
- Publication number
- JPS4868218A JPS4868218A JP46102518A JP10251871A JPS4868218A JP S4868218 A JPS4868218 A JP S4868218A JP 46102518 A JP46102518 A JP 46102518A JP 10251871 A JP10251871 A JP 10251871A JP S4868218 A JPS4868218 A JP S4868218A
- Authority
- JP
- Japan
- 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.)
- Granted
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
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
- H04R2209/021—Reduction of eddy currents in the magnetic circuit of electrodynamic loudspeaker transducer
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46102518A JPS5234212B2 (nl) | 1971-12-17 | 1971-12-17 | |
| DE2261499A DE2261499B2 (de) | 1971-12-17 | 1972-12-15 | Elektroakustischer Umformer |
| US315970A US3867587A (en) | 1971-12-17 | 1972-12-18 | Magnetic circuit for an electro-acoustic converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46102518A JPS5234212B2 (nl) | 1971-12-17 | 1971-12-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4868218A true JPS4868218A (nl) | 1973-09-18 |
| JPS5234212B2 JPS5234212B2 (nl) | 1977-09-02 |
Family
ID=14329559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP46102518A Expired JPS5234212B2 (nl) | 1971-12-17 | 1971-12-17 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3867587A (nl) |
| JP (1) | JPS5234212B2 (nl) |
| DE (1) | DE2261499B2 (nl) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011228979A (ja) * | 2010-04-21 | 2011-11-10 | Audio Technica Corp | 音響用動電型変換器 |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6252362U (nl) * | 1985-09-20 | 1987-04-01 | ||
| JPH0317455U (nl) * | 1989-06-30 | 1991-02-21 | ||
| US5357587A (en) * | 1992-12-23 | 1994-10-18 | Grodinsky Robert M | Distortion reduction in loudspeakers |
| US5381483A (en) * | 1993-04-05 | 1995-01-10 | Commonwealth Of Puerto Rico | Minimal inductance electrodynamic transducer |
| US6289106B1 (en) | 1997-08-08 | 2001-09-11 | Hong Long Industrial Co., Ltd. | Cap and center pole apparatus and method of coupling |
| US6768806B1 (en) * | 1998-03-19 | 2004-07-27 | Harman International Industries, Incorporated | Shorting rings in dual-coil dual-gap loudspeaker drivers |
| WO2000005925A1 (en) * | 1998-07-21 | 2000-02-03 | Jbl Incorporated | Miniature full range loudspeaker |
| GB9916926D0 (en) * | 1999-07-20 | 1999-09-22 | New Transducers Ltd | Magnet assembly |
| FR2836000B1 (fr) * | 2002-02-13 | 2004-05-28 | Harman Internat | Moteur electrodynamique a bobine mobile notamment pour haut-parleur, haut-parleur et piece polaire adaptee |
| US7471801B2 (en) * | 2002-05-10 | 2008-12-30 | Osseofon Ab | Device for the generation of or monitoring of vibrations |
| GB0221995D0 (en) * | 2002-09-21 | 2002-10-30 | Kh Technology Corp | Improvements in electromechanical transducers |
| WO2009086838A1 (en) * | 2008-01-07 | 2009-07-16 | Scan-Speak A/S | A magnet assembly for a loudspeaker |
| WO2013108607A1 (ja) * | 2012-01-20 | 2013-07-25 | パナソニック株式会社 | スピーカ用磁気回路およびこれを用いたスピーカ |
| EP3932090A1 (en) * | 2019-02-28 | 2022-01-05 | Purifi ApS | Loudspeaker motor with improved linearity |
| EP3982513B1 (en) * | 2020-10-08 | 2022-12-14 | Melexis Technologies NV | Transmitter for power line communication |
| CN118679758A (zh) * | 2022-04-28 | 2024-09-20 | 铁三角有限公司 | 电声换能器 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB409433A (en) * | 1932-11-09 | 1934-05-03 | Henryk Brzeski | Improvements in and relating to loud speakers |
| US2320402A (en) * | 1940-09-30 | 1943-06-01 | Rca Corp | Loud-speaker |
| DE1280324B (de) * | 1965-02-17 | 1968-10-17 | Paul Mauz | Dynamischer elektro-akustischer Wandler |
| US3632904A (en) * | 1970-03-24 | 1972-01-04 | Paul Mauz | Moving coil loudspeaker with eddy current suppression |
| US3665352A (en) * | 1970-05-12 | 1972-05-23 | Deutsche Edelstahlwerke Ag | Permanent magnet system for a loudspeaker |
| US3783311A (en) * | 1970-12-19 | 1974-01-01 | Coral Audio Corp | Magnetic device for use in acoustic apparatus |
-
1971
- 1971-12-17 JP JP46102518A patent/JPS5234212B2/ja not_active Expired
-
1972
- 1972-12-15 DE DE2261499A patent/DE2261499B2/de not_active Ceased
- 1972-12-18 US US315970A patent/US3867587A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011228979A (ja) * | 2010-04-21 | 2011-11-10 | Audio Technica Corp | 音響用動電型変換器 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2261499B2 (de) | 1975-07-03 |
| DE2261499A1 (de) | 1973-06-28 |
| US3867587A (en) | 1975-02-18 |
| JPS5234212B2 (nl) | 1977-09-02 |