BE383667A - - Google Patents
Info
- Publication number
- BE383667A BE383667A BE383667DA BE383667A BE 383667 A BE383667 A BE 383667A BE 383667D A BE383667D A BE 383667DA BE 383667 A BE383667 A BE 383667A
- 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
- H04R9/12—Gramophone pick-ups using a stylus; Recorders using a stylus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US402128A US1981793A (en) | 1929-10-24 | 1929-10-24 | Sound reproducer |
| US501824A US1918972A (en) | 1930-12-12 | 1930-12-12 | Phonograph reproducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE383667A true BE383667A (ja�@�@) |
Family
ID=27017737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE383667D BE383667A (ja�@�@) | 1929-10-24 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE383667A (ja�@�@) |
| FR (1) | FR41017E (ja�@�@) |
-
0
- BE BE383667D patent/BE383667A/xx unknown
-
1931
- 1931-11-25 FR FR41017D patent/FR41017E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR41017E (fr) | 1932-09-17 |