NL109161C - - Google Patents
Info
- Publication number
- NL109161C NL109161C NL109161DA NL109161C NL 109161 C NL109161 C NL 109161C NL 109161D A NL109161D A NL 109161DA NL 109161 C NL109161 C NL 109161C
- 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
- H04R17/08—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)
- Position Input By Displaying (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB38489/57A GB918418A (en) | 1957-12-11 | 1957-12-11 | Improvements in and relating to transducers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL109161C true NL109161C (cs) |
Family
ID=10403796
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL109161D NL109161C (cs) | 1957-12-11 | ||
| NL234056D NL234056A (cs) | 1957-12-11 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL234056D NL234056A (cs) | 1957-12-11 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3067296A (cs) |
| GB (1) | GB918418A (cs) |
| NL (2) | NL234056A (cs) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3582692A (en) * | 1968-05-01 | 1971-06-01 | U S Research Corp | Resiliently supported sensing transducer |
| US3604958A (en) * | 1970-05-14 | 1971-09-14 | U S Research Corp | Sensing transducer |
| JPS4969283A (cs) * | 1972-11-08 | 1974-07-04 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2137188A (en) * | 1937-11-20 | 1938-11-15 | Stewart C Whitman | Piezoelectric crystal mirror system for sound recording |
| US2769867A (en) * | 1947-02-07 | 1956-11-06 | Sonotone Corp | Dielectrostrictive signal and energy transducers |
| US2775460A (en) * | 1951-05-15 | 1956-12-25 | Ian M Shivack | Binaural recording system |
-
0
- NL NL109161D patent/NL109161C/xx active
- NL NL234056D patent/NL234056A/xx unknown
-
1957
- 1957-12-11 GB GB38489/57A patent/GB918418A/en not_active Expired
-
1958
- 1958-12-08 US US778926A patent/US3067296A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL234056A (cs) | |
| US3067296A (en) | 1962-12-04 |
| GB918418A (en) | 1963-02-13 |