BE441900A - - Google Patents
Info
- Publication number
- BE441900A BE441900A BE441900DA BE441900A BE 441900 A BE441900 A BE 441900A BE 441900D A BE441900D A BE 441900DA BE 441900 A BE441900 A BE 441900A
- Authority
- BE
- Belgium
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
- H04R9/046—Construction
-
- 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
- H04R9/025—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 |
|---|---|---|---|
| DE215703X | 1939-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE441900A true BE441900A (https=) |
Family
ID=5825372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE441900D BE441900A (https=) | 1939-03-30 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE441900A (https=) |
| CH (1) | CH215703A (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2501948Y2 (ja) * | 1985-09-02 | 1996-06-19 | パイオニア株式会社 | 車載音響装置 |
-
0
- BE BE441900D patent/BE441900A/xx unknown
-
1940
- 1940-08-13 CH CH215703D patent/CH215703A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH215703A (de) | 1941-07-15 |