NL254864A - - Google Patents
Info
- Publication number
- NL254864A NL254864A NL254864DA NL254864A NL 254864 A NL254864 A NL 254864A NL 254864D A NL254864D A NL 254864DA NL 254864 A NL254864 A NL 254864A
- Authority
- NL
- Netherlands
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
-
- 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
- H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL254864 | 1960-08-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL254864A true NL254864A (fr) |
Family
ID=19752522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL254864D NL254864A (fr) | 1960-08-13 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3221110A (fr) |
| DE (1) | DE1422084A1 (fr) |
| GB (1) | GB989422A (fr) |
| NL (1) | NL254864A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4933602A (fr) * | 1972-07-21 | 1974-03-28 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2570578A (en) * | 1949-03-11 | 1951-10-09 | Magnavox Co | Dual stylus phonograph pickup |
| US2809842A (en) * | 1952-07-01 | 1957-10-15 | Herman H Mueller | Tone arm needle assembly for automatic interlocking dual phonograph record player |
| US2816056A (en) * | 1953-02-02 | 1957-12-10 | Clevite Corp | Phonograph pickup |
| US2988366A (en) * | 1955-10-24 | 1961-06-13 | Hans C Hansen | Sound reproducing systems |
-
0
- NL NL254864D patent/NL254864A/xx unknown
-
1961
- 1961-07-21 US US125869A patent/US3221110A/en not_active Expired - Lifetime
- 1961-08-02 DE DE19611422084 patent/DE1422084A1/de active Pending
- 1961-08-03 GB GB28263/61A patent/GB989422A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3221110A (en) | 1965-11-30 |
| GB989422A (en) | 1965-04-14 |
| DE1422084A1 (de) | 1968-10-03 |