NL254865A - - Google Patents
Info
- Publication number
- NL254865A NL254865A NL254865DA NL254865A NL 254865 A NL254865 A NL 254865A NL 254865D A NL254865D A NL 254865DA NL 254865 A NL254865 A NL 254865A
- 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
- 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
-
- 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)
- Surgical Instruments (AREA)
- Machine Tool Copy Controls (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL254865 | 1960-08-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL254865A true NL254865A (OSRAM) |
Family
ID=19752523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL254865D NL254865A (OSRAM) | 1960-08-13 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3176085A (OSRAM) |
| DE (1) | DE1422085A1 (OSRAM) |
| GB (1) | GB977031A (OSRAM) |
| NL (1) | NL254865A (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3490771A (en) * | 1963-01-25 | 1970-01-20 | Columbia Broadcasting Syst Inc | Sound recording method and apparatus |
| NL6515316A (OSRAM) * | 1965-11-25 | 1967-05-26 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2955216A (en) * | 1960-10-04 | Reinforced hollow piezoelectric ceramic transducer structures |
-
0
- NL NL254865D patent/NL254865A/xx unknown
-
1961
- 1961-07-21 US US125843A patent/US3176085A/en not_active Expired - Lifetime
- 1961-08-02 DE DE19611422085 patent/DE1422085A1/de active Pending
- 1961-08-03 GB GB28264/61A patent/GB977031A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB977031A (en) | 1964-12-02 |
| US3176085A (en) | 1965-03-30 |
| DE1422085A1 (de) | 1968-10-03 |