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; DEAF-AID SETS; 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
 
- 
        - 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)
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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 
Family
ID=27017737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| BE383667D BE383667A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1929-10-24 | 
Country Status (2)
| Country | Link | 
|---|---|
| BE (1) | BE383667A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 
| FR (1) | FR41017E (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 
- 
        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 |