FR825219A - Magnetic speaker system - Google Patents
Magnetic speaker systemInfo
- Publication number
- FR825219A FR825219A FR825219DA FR825219A FR 825219 A FR825219 A FR 825219A FR 825219D A FR825219D A FR 825219DA FR 825219 A FR825219 A FR 825219A
- Authority
- FR
- France
- Prior art keywords
- speaker system
- magnetic speaker
- magnetic
- 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE499830X | 1936-08-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR825219A true FR825219A (en) | 1938-02-25 |
Family
ID=6545527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR825219D Expired FR825219A (en) | 1936-08-06 | 1937-08-05 | Magnetic speaker system |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR825219A (en) |
GB (1) | GB499830A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4234069A1 (en) * | 1992-10-09 | 1994-04-14 | Nokia Deutschland Gmbh | Cone speaker in lightweight design |
-
1937
- 1937-07-29 GB GB20963/37A patent/GB499830A/en not_active Expired
- 1937-08-05 FR FR825219D patent/FR825219A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB499830A (en) | 1939-01-30 |
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