BE472235A - - Google Patents

Info

Publication number
BE472235A
BE472235A BE472235DA BE472235A BE 472235 A BE472235 A BE 472235A BE 472235D A BE472235D A BE 472235DA BE 472235 A BE472235 A BE 472235A
Authority
BE
Belgium
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of BE472235A publication Critical patent/BE472235A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H57/00—Electrostrictive relays; Piezoelectric relays
BE472235D 1946-09-06 BE472235A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US695317A US2587482A (en) 1946-09-06 1946-09-06 Piezoelectric type switching relay

Publications (1)

Publication Number Publication Date
BE472235A true BE472235A (fr)

Family

ID=24792530

Family Applications (1)

Application Number Title Priority Date Filing Date
BE472235D BE472235A (fr) 1946-09-06

Country Status (5)

Country Link
US (1) US2587482A (fr)
BE (1) BE472235A (fr)
CH (1) CH262660A (fr)
FR (1) FR945230A (fr)
GB (1) GB637823A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418539A1 (fr) * 1978-02-24 1979-09-21 Orega Circuits & Commutation Commutateur a contact liquide

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2728869A (en) * 1950-01-06 1955-12-27 Ultraschall A G Piezoelectric oscillator or vibrator for ultrasonic waves, especially as an instrument for therapeutical treatment and diagnosis
DE954182C (de) * 1952-04-01 1956-12-13 Kieler Howaldtswerke Ag Kristallkontaktunterbrecher zur Umwandlung von geringen bis extrem kleinen Gleichspannungen in Wechselspannungen
US2787681A (en) * 1952-09-11 1957-04-02 Electro Snap Switch & Mfg Co Pressure actuated switches
US2770741A (en) * 1953-03-04 1956-11-13 Westinghouse Electric Corp Vibration pickup
US2835761A (en) * 1953-05-25 1958-05-20 Electric Machinery Mfg Co Electrostrictive ceramic actuator
US2792536A (en) * 1953-10-30 1957-05-14 Westinghouse Electric Corp Electro-magnetic solenoids and actuators
DE1031638B (de) * 1954-10-12 1958-06-04 Salfret Ltd Elektrisch angetriebene Membranpumpe, insbesondere fuer Fluessigkeiten
US2836671A (en) * 1954-11-18 1958-05-27 Langstroth Hall Fluid actuated switch
US2817727A (en) * 1954-11-26 1957-12-24 Gen Motors Corp Electric switch
US2867701A (en) * 1955-02-15 1959-01-06 Clevite Corp Device for providing reproducible mechanical motions
US3035126A (en) * 1957-12-27 1962-05-15 William W Haeffiger Transducer
US3230333A (en) * 1962-03-14 1966-01-18 Berman Nelson Capillary mercury switches
BE756000A (fr) * 1969-09-15 1971-02-15 Westinghouse Electric Corp Appareil de securite perfectionne sensible a la pression
US3614486A (en) * 1969-11-10 1971-10-19 Physics Int Co Lever motion multiplier driven by electroexpansive material
US3766415A (en) * 1972-04-18 1973-10-16 R Dame Piezolectric actuator
DE2342021A1 (de) * 1973-08-20 1975-03-06 Siemens Ag Mosaikdruckkopf fuer schreibmaschinen oder aehnliche maschinen
SU714533A2 (ru) * 1977-09-06 1980-02-05 Московский Ордена Трудового Красного Знамени Инженерно-Физический Институт Переключающее устройство
US4383195A (en) * 1980-10-24 1983-05-10 Piezo Electric Products, Inc. Piezoelectric snap actuator
US4454442A (en) * 1983-07-15 1984-06-12 General Dynamics Electronics Division Piezoelectric relay using Euler lever
US4626698A (en) * 1984-12-21 1986-12-02 General Electric Company Zero crossing synchronous AC switching circuits employing piezoceramic bender-type switching devices
DE3681927D1 (de) * 1985-01-21 1991-11-21 Nec Corp Piezoelektrische bistabile betaetigungsvorrichtung mit einem projektil das einen stoss empfaengt.
US4803393A (en) * 1986-07-31 1989-02-07 Toyota Jidosha Kabushiki Kaisha Piezoelectric actuator
US5866971A (en) * 1993-09-09 1999-02-02 Active Control Experts, Inc. Hybrid motor
US6356007B1 (en) * 2000-05-30 2002-03-12 Young & Franklin, Inc. Bi-stable snap over actuator
US7307371B2 (en) * 2005-11-18 2007-12-11 Delphi Technologies, Inc. Actuator with amplified stroke length

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT93756B (de) * 1921-04-25 1923-07-25 Siemens Ag Elektrostatisches Relais.
US1774337A (en) * 1929-01-24 1930-08-26 Sichel Leo Fluid electrical contact level
US2033631A (en) * 1932-04-06 1936-03-10 Rca Corp Crystal relay
GB527562A (en) * 1938-05-25 1940-10-11 Reimar Pohlman Improvements in or relating to massage apparatus
US2405226A (en) * 1942-12-28 1946-08-06 Bell Telephone Labor Inc Low frequency projector or hydrophone
US2423306A (en) * 1945-08-01 1947-07-01 Forbes Gordon Donald Transmission line

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418539A1 (fr) * 1978-02-24 1979-09-21 Orega Circuits & Commutation Commutateur a contact liquide

Also Published As

Publication number Publication date
GB637823A (en) 1950-05-24
FR945230A (fr) 1949-04-28
CH262660A (fr) 1949-07-15
US2587482A (en) 1952-02-26

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