BE473326A - - Google Patents
Info
- Publication number
- BE473326A BE473326A BE473326DA BE473326A BE 473326 A BE473326 A BE 473326A BE 473326D A BE473326D A BE 473326DA BE 473326 A BE473326 A BE 473326A
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Moving Of Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US553019A US2406597A (en) | 1944-09-07 | 1944-09-07 | Electric pickup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE473326A true BE473326A (en:Method) |
Family
ID=24207780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE473326D BE473326A (en:Method) | 1944-09-07 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2406597A (en:Method) |
| BE (1) | BE473326A (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2516919A (en) * | 1946-06-05 | 1950-08-01 | Atf Inc | Electrodynamic phonograph pickup |
| NL75135C (en:Method) * | 1947-01-11 | |||
| GB676296A (en) * | 1949-03-18 | 1952-07-23 | Arnold Robinson Sugden | An improvement in or relating to sound recording apparatus |
-
0
- BE BE473326D patent/BE473326A/xx unknown
-
1944
- 1944-09-07 US US553019A patent/US2406597A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2406597A (en) | 1946-08-27 |