BE406977A - - Google Patents
Info
- Publication number
- BE406977A BE406977A BE406977DA BE406977A BE 406977 A BE406977 A BE 406977A BE 406977D A BE406977D A BE 406977DA BE 406977 A BE406977 A BE 406977A
- 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/16—Mounting or connecting stylus to transducer with or without damping means
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- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12977A US1728879A (en) | 1925-03-03 | 1925-03-03 | Amplifying system |
| US703742A US2086415A (en) | 1925-03-03 | 1933-12-23 | Magnetic pick-up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE406977A true BE406977A (en:Method) |
Family
ID=26684267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE406977D BE406977A (en:Method) | 1925-03-03 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2086415A (en:Method) |
| BE (1) | BE406977A (en:Method) |
-
0
- BE BE406977D patent/BE406977A/xx unknown
-
1933
- 1933-12-23 US US703742A patent/US2086415A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2086415A (en) | 1937-07-06 |