NL235912A - - Google Patents
Info
- Publication number
- NL235912A NL235912A NL235912DA NL235912A NL 235912 A NL235912 A NL 235912A NL 235912D A NL235912D A NL 235912DA NL 235912 A NL235912 A NL 235912A
- 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)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US714151A US3073914A (en) | 1958-02-10 | 1958-02-10 | Ceramic electromechanical transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL235912A true NL235912A (en:Method) |
Family
ID=24868931
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL110623D NL110623C (en:Method) | 1958-02-10 | ||
| NL235912D NL235912A (en:Method) | 1958-02-10 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL110623D NL110623C (en:Method) | 1958-02-10 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3073914A (en:Method) |
| DE (1) | DE1119535B (en:Method) |
| FR (1) | FR1216678A (en:Method) |
| NL (2) | NL235912A (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL236717A (en:Method) * | 1958-03-03 | |||
| US3377439A (en) * | 1958-04-03 | 1968-04-09 | Erie Technological Prod Inc | Binaural piezoelectric pickup |
| DE1176888B (de) * | 1961-03-23 | 1964-08-27 | Columbia Broadcasting Syst Inc | Elektromechanischer Wandler |
| US4513437A (en) * | 1982-06-30 | 1985-04-23 | International Business Machines Corporation | Data input pen for Signature Verification |
| US4523120A (en) * | 1984-06-04 | 1985-06-11 | The United States Of America As Represented By The Secretary Of The Navy | Precise bearing support ditherer with piezoelectric drive means |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE763329C (de) * | 1941-04-29 | 1954-10-18 | Siemens & Halske A G | Biegungsschwingungen ausfuehrender Quarzkristall |
| US2420864A (en) * | 1943-04-17 | 1947-05-20 | Chilowsky Constantin | Piezoelectric plastic material and method of making same |
| US2518348A (en) * | 1946-08-16 | 1950-08-08 | Bell Telephone Labor Inc | Apparatus for the determination of viscosity of liquids |
| NL81373C (en:Method) * | 1947-12-26 | |||
| US2625663A (en) * | 1948-05-08 | 1953-01-13 | Gulton Mfg Corp | Transducer |
| NL86929C (en:Method) * | 1948-06-12 | |||
| BE489589A (en:Method) * | 1948-06-12 | |||
| GB738939A (en) * | 1952-10-30 | 1955-10-19 | Gen Electric | Improvements relating to piezo-electric devices |
| US2944117A (en) * | 1955-06-20 | 1960-07-05 | Erie Resistor Corp | Bender type piezoelectric transducer |
| DE1029582B (de) | 1956-07-13 | 1958-05-08 | Telefunken Gmbh | Elektromechanischer Wandler aus piezoelektrischem, polarisiertem, keramischem Material |
-
0
- NL NL110623D patent/NL110623C/xx active
- NL NL235912D patent/NL235912A/xx unknown
-
1958
- 1958-02-10 US US714151A patent/US3073914A/en not_active Expired - Lifetime
-
1959
- 1959-02-09 DE DEC18365A patent/DE1119535B/de active Pending
- 1959-02-10 FR FR786466A patent/FR1216678A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL110623C (en:Method) | |
| FR1216678A (fr) | 1960-04-27 |
| US3073914A (en) | 1963-01-15 |
| DE1119535B (de) | 1961-12-14 |