NL86929C - - Google Patents
Info
- Publication number
- NL86929C NL86929C NL86929DA NL86929C NL 86929 C NL86929 C NL 86929C NL 86929D A NL86929D A NL 86929DA NL 86929 C NL86929 C NL 86929C
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Thermistors And Varistors (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US32593A US2614143A (en) | 1948-06-12 | 1948-06-12 | Electromechanical transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL86929C true NL86929C (US07122603-20061017-C00294.png) |
Family
ID=21865750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL86929D NL86929C (US07122603-20061017-C00294.png) | 1948-06-12 |
Country Status (6)
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2955216A (en) * | 1960-10-04 | Reinforced hollow piezoelectric ceramic transducer structures | ||
| US2774892A (en) * | 1951-05-29 | 1956-12-18 | Bendix Aviat Corp | Annular vibrator with lumped loading |
| FR1063675A (fr) * | 1951-10-08 | 1954-05-05 | Bendix Aviat Corp | Convertisseur à élément diélectrique à impédance électrique réglable |
| DE1044478B (de) * | 1952-09-19 | 1958-11-20 | Siemens Ag | Verfahren zum Betrieb eines piezoelektrischen rohrfoermigen Biegeschwingers |
| US2841722A (en) * | 1953-03-18 | 1958-07-01 | Clevite Corp | Bending-responsive electromechanical transducer device |
| US2989725A (en) * | 1953-06-30 | 1961-06-20 | Harry B Miller | Electroacoustic transducer |
| US2928069A (en) * | 1954-10-13 | 1960-03-08 | Gulton Ind Inc | Transducer |
| US3001031A (en) * | 1954-11-18 | 1961-09-19 | Astatic Corp | Self-supporting electro-mechanical transducer assembly |
| DE1029582B (de) * | 1956-07-13 | 1958-05-08 | Telefunken Gmbh | Elektromechanischer Wandler aus piezoelektrischem, polarisiertem, keramischem Material |
| US3035126A (en) * | 1957-12-27 | 1962-05-15 | William W Haeffiger | Transducer |
| NL235912A (US07122603-20061017-C00294.png) * | 1958-02-10 | |||
| NL113247C (US07122603-20061017-C00294.png) * | 1958-03-20 | |||
| US3377439A (en) * | 1958-04-03 | 1968-04-09 | Erie Technological Prod Inc | Binaural piezoelectric pickup |
| DE1172442B (de) * | 1958-04-14 | 1964-06-18 | Erie Resistor Corp | Schneiddose oder Tonabnehmer fuer Zweikoordinatenschrift |
| US3423700A (en) * | 1963-04-30 | 1969-01-21 | Clevite Corp | Piezoelectric resonator |
| US5225731A (en) * | 1991-06-13 | 1993-07-06 | Southwest Research Institute | Solid body piezoelectric bender transducer |
| US5400298A (en) * | 1993-09-23 | 1995-03-21 | Whitehall Corporation | Towed hydrophone streamer with distributed electronics housings |
| US5583824A (en) * | 1993-09-23 | 1996-12-10 | Whitehall Corporation | Telemetry data transmission circuit having selectable clock source |
| US5408442A (en) * | 1993-09-23 | 1995-04-18 | Whitehall Corporation | Hydrophone element with filter circuit |
| US5450369A (en) * | 1993-09-23 | 1995-09-12 | Whitehall Corporation | Telemetry transmission protocol for towed hydrophone streamer |
| US5412621A (en) * | 1993-09-23 | 1995-05-02 | Whitehall Corporation | Encapsulated hydrophone element for towed hydrophone array |
| US5523983A (en) * | 1993-09-23 | 1996-06-04 | Whitehall Corporation | Dual rope vibration isolation module for towed hydrophone streamer |
| US5367499A (en) * | 1993-09-23 | 1994-11-22 | Whitehall Corporation | Vibration isolation module for towed hydrophone streamer |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1746788A (en) * | 1928-12-21 | 1930-02-11 | Bell Telephone Labor Inc | Piezo-electric device |
| US2373445A (en) * | 1943-01-18 | 1945-04-10 | Brush Dev Co | Piezoelectric device |
| US2486560A (en) * | 1946-09-20 | 1949-11-01 | Erie Resistor Corp | Transducer and method of making the same |
| NL81373C (US07122603-20061017-C00294.png) * | 1947-12-26 |
-
0
- NL NL86929D patent/NL86929C/xx active
-
1948
- 1948-06-12 US US32593A patent/US2614143A/en not_active Expired - Lifetime
-
1949
- 1949-06-03 GB GB14949/49A patent/GB663423A/en not_active Expired
- 1949-06-12 DE DEP45581A patent/DE808006C/de not_active Expired
- 1949-06-13 FR FR988238D patent/FR988238A/fr not_active Expired
- 1949-06-13 CH CH279346D patent/CH279346A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US2614143A (en) | 1952-10-14 |
| DE808006C (de) | 1951-07-09 |
| GB663423A (en) | 1951-12-19 |
| FR988238A (fr) | 1951-08-24 |
| CH279346A (de) | 1951-11-30 |
