FR617464A - Haut-parleur - Google Patents
Haut-parleurInfo
- Publication number
- FR617464A FR617464A FR617464DA FR617464A FR 617464 A FR617464 A FR 617464A FR 617464D A FR617464D A FR 617464DA FR 617464 A FR617464 A FR 617464A
- Authority
- FR
- France
- Prior art keywords
- loud speaker
- loud
- speaker
- Prior art date
- 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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US265538XA | 1926-02-05 | 1926-02-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR617464A true FR617464A (fr) | 1927-02-19 |
Family
ID=21832468
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR617464D Expired FR617464A (fr) | 1926-02-05 | 1926-06-12 | Haut-parleur |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE464609C (fr) |
FR (1) | FR617464A (fr) |
GB (1) | GB265538A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2127650A (en) * | 1982-08-07 | 1984-04-11 | Univ Liverpool | Moving coil loudspeaker |
-
1926
- 1926-06-07 GB GB14277/26A patent/GB265538A/en not_active Expired
- 1926-06-12 FR FR617464D patent/FR617464A/fr not_active Expired
-
1927
- 1927-02-03 DE DEH109932D patent/DE464609C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE464609C (de) | 1928-08-22 |
GB265538A (en) | 1927-03-31 |
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