BE386486A - - Google Patents
Info
- Publication number
- BE386486A BE386486A BE386486DA BE386486A BE 386486 A BE386486 A BE 386486A BE 386486D A BE386486D A BE 386486DA BE 386486 A BE386486 A BE 386486A
- Authority
- BE
- Belgium
- Prior art keywords
- emi
- frame
- pole pieces
- armature
- force
- Prior art date
Links
- 238000013016 damping Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000003042 antagnostic effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/16—Mounting or connecting stylus to transducer with or without damping means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
- Casings For Electric Apparatus (AREA)
- Vibration Prevention Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5020/31A GB373158A (en) | 1931-02-17 | 1931-02-17 | Improvements relating to apparatus for the electrical reproduction of sound |
| GB24278/31A GB379100A (en) | 1931-02-17 | 1931-08-28 | Improvements relating to apparatus for the electrical reproduction of sound |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE386486A true BE386486A (index.php) | 1932-03-31 |
Family
ID=26239533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE386486D BE386486A (index.php) | 1931-02-17 | 1932-02-16 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1914191A (index.php) |
| BE (1) | BE386486A (index.php) |
| DE (1) | DE617320C (index.php) |
| FR (1) | FR731491A (index.php) |
| GB (2) | GB373158A (index.php) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2581511A (en) * | 1947-12-31 | 1952-01-08 | Donald J Baker | Magnetic phonograph pickup |
-
1931
- 1931-02-17 GB GB5020/31A patent/GB373158A/en not_active Expired
- 1931-07-10 US US549949A patent/US1914191A/en not_active Expired - Lifetime
- 1931-08-28 GB GB24278/31A patent/GB379100A/en not_active Expired
-
1932
- 1932-02-16 BE BE386486D patent/BE386486A/fr unknown
- 1932-02-17 FR FR731491D patent/FR731491A/fr not_active Expired
- 1932-02-18 DE DEA65093D patent/DE617320C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE617320C (de) | 1935-08-16 |
| FR731491A (fr) | 1932-09-03 |
| US1914191A (en) | 1933-06-13 |
| GB373158A (en) | 1932-05-17 |
| GB379100A (en) | 1932-08-25 |
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