BE528936A - - Google Patents
Info
- Publication number
- BE528936A BE528936A BE528936DA BE528936A BE 528936 A BE528936 A BE 528936A BE 528936D A BE528936D A BE 528936DA BE 528936 A BE528936 A BE 528936A
- Authority
- BE
- Belgium
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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US343054A US2841722A (en) | 1953-03-18 | 1953-03-18 | Bending-responsive electromechanical transducer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE528936A true BE528936A (es) | 1957-04-12 |
Family
ID=23344482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE528936D BE528936A (es) | 1953-03-18 | 1954-05-18 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2841722A (es) |
| BE (1) | BE528936A (es) |
| CH (1) | CH319089A (es) |
| DE (1) | DE1023909B (es) |
| FR (1) | FR1117152A (es) |
| GB (1) | GB753617A (es) |
| NL (1) | NL96839C (es) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2944117A (en) * | 1955-06-20 | 1960-07-05 | Erie Resistor Corp | Bender type piezoelectric transducer |
| FR1248618A (fr) * | 1957-12-06 | 1960-12-23 | Traducteur piézoélectrique | |
| US3377439A (en) * | 1958-04-03 | 1968-04-09 | Erie Technological Prod Inc | Binaural piezoelectric pickup |
| US2999909A (en) * | 1958-12-03 | 1961-09-12 | Zenith Radio Corp | Transducer apparatus |
| US3101421A (en) * | 1959-07-06 | 1963-08-20 | Acoustica Associates Inc | Elastic wave vibrator |
| GB1381727A (en) * | 1971-08-26 | 1975-01-29 | English Electric Co Ltd | Devices incorporating cavity resonators |
| DE2361762C3 (de) * | 1973-12-12 | 1980-04-17 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schreib-Vorrichtung zum punktförmigen selektiven Übertragen flüssiger Farbe |
| DE2361781A1 (de) * | 1973-12-12 | 1975-06-19 | Philips Patentverwaltung | Schreibwerk zum schreiben mit fluessiger farbe |
| US4443729A (en) * | 1981-06-22 | 1984-04-17 | Rockwell International Corporation | Piezoceramic bender element having an electrode arrangement suppressing signal development in mount region |
| US5519278A (en) * | 1994-12-23 | 1996-05-21 | The United States Of America As Represented By The Secretary Of The Navy | Actuators with graded activity |
| US6441538B1 (en) * | 2000-05-19 | 2002-08-27 | Acuson Corporation | Ultrasound stacked transducer and method for stacking |
| US20230358654A1 (en) * | 2022-05-09 | 2023-11-09 | David Solomon | Methods Circuits Devices Assemblies Systems and Functionally Associated Machine Executable Code for Detecting Structural Cracking or Breaking a Functional Element |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1746788A (en) * | 1928-12-21 | 1930-02-11 | Bell Telephone Labor Inc | Piezo-electric device |
| US1947049A (en) * | 1932-04-16 | 1934-02-13 | Earl L Koch Holding Corp | Amplifying system |
| US2047252A (en) * | 1934-06-09 | 1936-07-14 | Rca Corp | Piezoelectric element |
| US2373445A (en) * | 1943-01-18 | 1945-04-10 | Brush Dev Co | Piezoelectric device |
| US2395434A (en) * | 1943-08-11 | 1946-02-26 | Tenenbaum Berko | Piezoelectric crystals |
| US2524579A (en) * | 1946-11-09 | 1950-10-03 | Taylor Maurice Kenyon | Detection of phenomena capable of setting up vibration |
| US2484950A (en) * | 1947-04-09 | 1949-10-18 | Brush Dev Co | Bender type electromechanical device with dielectric operating element |
| US2479987A (en) * | 1947-10-11 | 1949-08-23 | Brush Dev Co | Multiplate electrotransducer |
| US2633543A (en) * | 1948-04-19 | 1953-03-31 | Gulton Mfg Corp | Bimorph element |
| NL86929C (es) * | 1948-06-12 | |||
| US2497108A (en) * | 1948-06-12 | 1950-02-14 | Brush Dev Co | Electromechanical transducer |
-
1953
- 1953-03-18 US US343054A patent/US2841722A/en not_active Expired - Lifetime
-
1954
- 1954-03-15 GB GB7448/54A patent/GB753617A/en not_active Expired
- 1954-04-07 NL NL186585A patent/NL96839C/xx active
- 1954-05-14 CH CH319089D patent/CH319089A/de unknown
- 1954-05-17 DE DEN8914A patent/DE1023909B/de active Pending
- 1954-05-18 BE BE528936D patent/BE528936A/xx unknown
- 1954-07-28 FR FR1117152D patent/FR1117152A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL96839C (es) | 1961-02-15 |
| FR1117152A (fr) | 1956-05-17 |
| US2841722A (en) | 1958-07-01 |
| DE1023909B (de) | 1958-02-06 |
| CH319089A (de) | 1957-01-31 |
| GB753617A (en) | 1956-07-25 |