FR616504A - Haut-parleur à diaphragme conique - Google Patents
Haut-parleur à diaphragme coniqueInfo
- Publication number
- FR616504A FR616504A FR616504DA FR616504A FR 616504 A FR616504 A FR 616504A FR 616504D A FR616504D A FR 616504DA FR 616504 A FR616504 A FR 616504A
- Authority
- FR
- France
- Prior art keywords
- conical diaphragm
- diaphragm speaker
- speaker
- conical
- diaphragm
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US77033A US1763048A (en) | 1925-12-22 | 1925-12-22 | Loud-speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR616504A true FR616504A (fr) | 1927-02-03 |
Family
ID=22135690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR616504D Expired FR616504A (fr) | 1925-12-22 | 1926-05-22 | Haut-parleur à diaphragme conique |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1763048A (enrdf_load_stackoverflow) |
| FR (1) | FR616504A (enrdf_load_stackoverflow) |
| GB (1) | GB263481A (enrdf_load_stackoverflow) |
| NL (1) | NL19874C (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10484768B2 (en) | 2017-05-23 | 2019-11-19 | Eric James Lundgard | Speaker system |
-
0
- NL NL19874D patent/NL19874C/xx active
-
1925
- 1925-12-22 US US77033A patent/US1763048A/en not_active Expired - Lifetime
-
1926
- 1926-04-13 GB GB9736/26A patent/GB263481A/en not_active Expired
- 1926-05-22 FR FR616504D patent/FR616504A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1763048A (en) | 1930-06-10 |
| GB263481A (en) | 1927-09-13 |
| NL19874C (enrdf_load_stackoverflow) |
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