BE531866A - - Google Patents
Info
- Publication number
- BE531866A BE531866A BE531866DA BE531866A BE 531866 A BE531866 A BE 531866A BE 531866D A BE531866D A BE 531866DA BE 531866 A BE531866 A BE 531866A
- 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
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
- H04R17/06—Gramophone pick-ups using a stylus; Recorders using a stylus comprising two or more styli or transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
- Moving Of Heads (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL323037X | 1953-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE531866A true BE531866A (en:Method) |
Family
ID=19784069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE531866D BE531866A (en:Method) | 1953-09-17 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3051495A (en:Method) |
| BE (1) | BE531866A (en:Method) |
| CH (1) | CH323037A (en:Method) |
| DE (1) | DE1003966B (en:Method) |
| FR (1) | FR1108245A (en:Method) |
| GB (1) | GB755801A (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3245690A (en) * | 1963-09-18 | 1966-04-12 | Dorothea M Weitzner | Adjustable multi-needle tone arm for phonograph records |
| US4194744A (en) * | 1978-02-01 | 1980-03-25 | Shure Brothers, Incorporated | Phonograph pick-up transducer using a one-piece bearing and inertial damper fabricated from different materials |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2554209A (en) * | 1945-12-29 | 1951-05-22 | Gen Electric | Dual stylus phonograph pickup for multispeed record players |
| US2658763A (en) * | 1948-07-31 | 1953-11-10 | Rca Corp | Phonograph pickup device and the like |
| US2601126A (en) * | 1948-11-04 | 1952-06-17 | Astatic Corp | Universal phonograph tone arm |
| US2586362A (en) * | 1949-03-11 | 1952-02-19 | Magnavox Co | Dual point phonograph pickup stylus |
| US2639156A (en) * | 1949-10-29 | 1953-05-19 | Gen Electric | Double-twist phonograph stylus assembly |
-
0
- BE BE531866D patent/BE531866A/xx unknown
-
1954
- 1954-09-01 US US453529A patent/US3051495A/en not_active Expired - Lifetime
- 1954-09-14 GB GB26613/54A patent/GB755801A/en not_active Expired
- 1954-09-15 DE DEN9480A patent/DE1003966B/de active Pending
- 1954-09-15 FR FR1108245D patent/FR1108245A/fr not_active Expired
- 1954-09-15 CH CH323037D patent/CH323037A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1003966B (de) | 1957-03-07 |
| GB755801A (en) | 1956-08-29 |
| US3051495A (en) | 1962-08-28 |
| FR1108245A (fr) | 1956-01-10 |
| CH323037A (de) | 1957-07-15 |