BE342551A - - Google Patents
Info
- Publication number
- BE342551A BE342551A BE342551DA BE342551A BE 342551 A BE342551 A BE 342551A BE 342551D A BE342551D A BE 342551DA BE 342551 A BE342551 A BE 342551A
- 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
- 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)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electromagnets (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1961/27A GB289161A (en) | 1927-01-22 | 1927-01-22 | Improvements in or relating to electromagnetic reproducers for use with gramophone and the like records |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE342551A true BE342551A (it) |
Family
ID=9731093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE342551D BE342551A (it) | 1927-01-22 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1711192A (it) |
| BE (1) | BE342551A (it) |
| FR (1) | FR634147A (it) |
| GB (1) | GB289161A (it) |
-
0
- BE BE342551D patent/BE342551A/xx unknown
-
1927
- 1927-01-22 GB GB1961/27A patent/GB289161A/en not_active Expired
- 1927-05-11 FR FR634147D patent/FR634147A/fr not_active Expired
- 1927-05-28 US US195080A patent/US1711192A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US1711192A (en) | 1929-04-30 |
| GB289161A (en) | 1928-04-23 |
| FR634147A (fr) | 1928-02-09 |