FR2145556B3 - - Google Patents
Info
- Publication number
- FR2145556B3 FR2145556B3 FR7224894A FR7224894A FR2145556B3 FR 2145556 B3 FR2145556 B3 FR 2145556B3 FR 7224894 A FR7224894 A FR 7224894A FR 7224894 A FR7224894 A FR 7224894A FR 2145556 B3 FR2145556 B3 FR 2145556B3
- 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; DEAF-AID SETS; 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712134287 DE2134287A1 (de) | 1971-07-09 | 1971-07-09 | Klangveraenderlicher dynamischer lautsprecher mit doppelschwingspule |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2145556A1 FR2145556A1 (fr) | 1973-02-23 |
FR2145556B3 true FR2145556B3 (fr) | 1975-09-05 |
Family
ID=5813177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7224894A Expired FR2145556B3 (fr) | 1971-07-09 | 1972-07-10 |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2134287A1 (fr) |
FR (1) | FR2145556B3 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE424946B (sv) * | 1977-03-01 | 1982-08-16 | Seas Fabrikker As | Elektrodynamisk hogtalare |
-
1971
- 1971-07-09 DE DE19712134287 patent/DE2134287A1/de active Pending
-
1972
- 1972-07-10 FR FR7224894A patent/FR2145556B3/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2134287A1 (de) | 1973-01-18 |
FR2145556A1 (fr) | 1973-02-23 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |