FR2282203B1 - - Google Patents
Info
- Publication number
- FR2282203B1 FR2282203B1 FR7427923A FR7427923A FR2282203B1 FR 2282203 B1 FR2282203 B1 FR 2282203B1 FR 7427923 A FR7427923 A FR 7427923A FR 7427923 A FR7427923 A FR 7427923A FR 2282203 B1 FR2282203 B1 FR 2282203B1
- Authority
- FR
- France
- 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; ELECTRIC HEARING AIDS; 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
- H04R9/045—Mounting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7427923A FR2282203A1 (fr) | 1974-08-12 | 1974-08-12 | Haut-parleur |
| GB3072775A GB1488541A (en) | 1974-08-12 | 1975-07-23 | Loudspeaker |
| DE19752534062 DE2534062A1 (de) | 1974-08-12 | 1975-07-30 | Lautsprecher |
| US05/782,718 US4100992A (en) | 1974-08-12 | 1977-03-28 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7427923A FR2282203A1 (fr) | 1974-08-12 | 1974-08-12 | Haut-parleur |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2282203A1 FR2282203A1 (fr) | 1976-03-12 |
| FR2282203B1 true FR2282203B1 (ref) | 1978-10-13 |
Family
ID=9142345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7427923A Granted FR2282203A1 (fr) | 1974-08-12 | 1974-08-12 | Haut-parleur |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2534062A1 (ref) |
| FR (1) | FR2282203A1 (ref) |
| GB (1) | GB1488541A (ref) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3163565D1 (en) * | 1980-02-21 | 1984-06-20 | Wharfedale Ltd | Improvements in moving coil loudspeakers |
| CN101002502B (zh) * | 2004-04-29 | 2011-07-20 | Nxp股份有限公司 | 用于具有可动线圈的扬声器的振膜 |
| JP4228998B2 (ja) | 2004-05-27 | 2009-02-25 | パナソニック株式会社 | スピーカ |
| EP1889511B1 (en) * | 2005-05-25 | 2010-08-25 | Nxp B.V. | Improved membrane for an electroacoustic transducer |
| GB2478160B (en) * | 2010-02-26 | 2014-05-28 | Pss Belgium Nv | Mass loading for piston loudspeakers |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1872583A (en) * | 1930-10-20 | 1932-08-16 | Jesse B Hawley | Sound producing diaphragm and method of making same |
| US2207240A (en) * | 1938-02-12 | 1940-07-09 | Cinaudagraph Corp | Sound reproducing apparatus |
| DE902260C (de) * | 1949-09-22 | 1954-01-21 | Eberhard Vollmer | Formmembran |
| NL281021A (ref) * | 1961-07-19 | |||
| FR1486847A (fr) * | 1965-07-16 | 1967-06-30 | Philips Nv | Transducteur électrodynamique |
| GB1162133A (en) * | 1965-09-11 | 1969-08-20 | Emi Ltd | Improvements relating to the manufacture of Loudspeakers |
-
1974
- 1974-08-12 FR FR7427923A patent/FR2282203A1/fr active Granted
-
1975
- 1975-07-23 GB GB3072775A patent/GB1488541A/en not_active Expired
- 1975-07-30 DE DE19752534062 patent/DE2534062A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE2534062A1 (de) | 1976-07-08 |
| GB1488541A (en) | 1977-10-12 |
| FR2282203A1 (fr) | 1976-03-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CL | Concession to grant licenses | ||
| ST | Notification of lapse |