BE489592A - - Google Patents
Info
- Publication number
- BE489592A BE489592A BE489592DA BE489592A BE 489592 A BE489592 A BE 489592A BE 489592D A BE489592D A BE 489592DA BE 489592 A BE489592 A BE 489592A
- 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
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
- G04C3/12—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by piezoelectric means; driven by magneto-strictive means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H57/00—Electrostrictive relays; Piezoelectric relays
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/42—Piezoelectric device making
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US32594A US2497108A (en) | 1948-06-12 | 1948-06-12 | Electromechanical transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE489592A true BE489592A (US20100012521A1-20100121-C00001.png) | 1949-12-13 |
Family
ID=21865755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE489592D BE489592A (US20100012521A1-20100121-C00001.png) | 1948-06-12 | 1949-06-13 |
Country Status (6)
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2596494A (en) * | 1948-06-12 | 1952-05-13 | Brush Dev Co | Ceramic electromechanical transducer |
| US2716708A (en) * | 1950-11-17 | 1955-08-30 | Nat Res Dev | Apparatus for launching ultrasonic waves |
| US2824980A (en) * | 1952-03-14 | 1958-02-25 | Erie Resistor Corp | Piezoelectric transducers |
| US2714642A (en) * | 1952-07-10 | 1955-08-02 | Bell Telephone Labor Inc | High speed relay of electromechanical transducer material |
| GB738939A (en) * | 1952-10-30 | 1955-10-19 | Gen Electric | Improvements relating to piezo-electric devices |
| US2841722A (en) * | 1953-03-18 | 1958-07-01 | Clevite Corp | Bending-responsive electromechanical transducer device |
| US2836737A (en) * | 1953-07-20 | 1958-05-27 | Electric Machinery Mfg Co | Piezoelectric transducer |
| US2800551A (en) * | 1953-09-17 | 1957-07-23 | Electric Machinery Mfg Co | Relay |
| US2892107A (en) * | 1953-12-21 | 1959-06-23 | Clevite Corp | Cellular ceramic electromechanical transducers |
| US2883486A (en) * | 1954-03-09 | 1959-04-21 | Bell Telephone Labor Inc | Piezoelectric switching device |
| DE1031638B (de) * | 1954-10-12 | 1958-06-04 | Salfret Ltd | Elektrisch angetriebene Membranpumpe, insbesondere fuer Fluessigkeiten |
| US2924981A (en) * | 1957-11-25 | 1960-02-16 | Ibm | Electrostrictive positioning device |
| US3043921A (en) * | 1958-10-13 | 1962-07-10 | Clairex Corp | Piezoelectric transducer for stereophonic phonograph pickup |
| US3211931A (en) * | 1962-12-10 | 1965-10-12 | Gen Electric | Electromechanical transducer motors |
| US3405289A (en) * | 1965-06-04 | 1968-10-08 | Gikow Emanuel | Switch |
| US3405246A (en) * | 1966-08-26 | 1968-10-08 | Singer Inc H R B | Ultrasonic switch for high speed electrical switching |
| US3989964A (en) * | 1976-08-05 | 1976-11-02 | The United States Of America As Represented By The Secretary Of The Army | Piezoelectric switch activating means |
| DE3626507A1 (de) * | 1985-08-06 | 1987-02-19 | Canon Kk | Betaetigungsvorrichtung |
| JP2905643B2 (ja) * | 1992-05-29 | 1999-06-14 | 住友重機械工業株式会社 | 圧電リニアアクチュエータ |
| EP1016145A4 (en) * | 1996-07-25 | 2002-05-08 | Materials Systems Inc | PIEZOELECTRIC CERAMIC MULTI-LAYER MANDLERS AND METHOD FOR THE PRODUCTION THEREOF |
| US6107726A (en) * | 1997-07-25 | 2000-08-22 | Materials Systems, Inc. | Serpentine cross-section piezoelectric linear actuator |
| DE19814697C1 (de) * | 1998-04-01 | 1999-10-21 | Doru Constantin Lupasco | Piezoelektrischer Aktor und Verfahren zu seiner Herstellung |
| US6713944B2 (en) * | 2002-01-02 | 2004-03-30 | Omron Corporation | Actuator and method of manufacturing a strain element |
| DE102005016960A1 (de) * | 2005-04-13 | 2006-10-19 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Linearaktor mit aktiven Elementen |
-
1948
- 1948-06-12 US US32594A patent/US2497108A/en not_active Expired - Lifetime
-
1949
- 1949-06-03 GB GB14947/49A patent/GB663422A/en not_active Expired
- 1949-06-09 NL NL146901A patent/NL75477C/xx active
- 1949-06-13 CH CH281793D patent/CH281793A/de unknown
- 1949-06-13 FR FR988239D patent/FR988239A/fr not_active Expired
- 1949-06-13 BE BE489592D patent/BE489592A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL75477C (US20100012521A1-20100121-C00001.png) | 1954-08-16 |
| GB663422A (en) | 1951-12-19 |
| US2497108A (en) | 1950-02-14 |
| CH281793A (de) | 1952-03-31 |
| FR988239A (fr) | 1951-08-24 |
