FR945230A - Relais de commutation du type piézoélectrique - Google Patents

Relais de commutation du type piézoélectrique

Info

Publication number: FR945230A
Authority: FR; France
Prior art keywords: type switching; switching relay; piezoelectric type; piezoelectric; relay
Prior art date: 1946-09-06
Legal status (The legal status 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 status listed.): Expired

Application number

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

AT&T Corp

Original Assignee

Western Electric Co Inc

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.)

1946-09-06

Filing date

1947-04-16

Publication date

1949-04-28

1947-04-16 Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc

1949-04-28 Application granted granted Critical

1949-04-28 Publication of FR945230A publication Critical patent/FR945230A/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H57/00—Electrostrictive relays; Piezoelectric relays

FR945230D 1946-09-06 1947-04-16 Relais de commutation du type piézoélectrique Expired FR945230A (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
FR945230A true FR945230A (fr)	1949-04-28

Family

ID=24792530

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR945230D Expired FR945230A (fr)	1946-09-06	1947-04-16	Relais de commutation du type piézoélectrique

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)

Families Citing this family (26)

* 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
FR2418539A1 (fr) *	1978-02-24	1979-09-21	Orega Circuits & Commutation	Commutateur a contact liquide
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
CA1249620A (fr) *	1985-01-21	1989-01-31	Takashi Oota	Actionneur piezoelectrique a action brusque par mobile interpose
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

0
- BE BE472235D patent/BE472235A/xx unknown
1946
- 1946-09-06 US US695317A patent/US2587482A/en not_active Expired - Lifetime
1947
- 1947-04-16 FR FR945230D patent/FR945230A/fr not_active Expired
- 1947-04-19 CH CH262660D patent/CH262660A/fr unknown
- 1947-09-03 GB GB24312/47A patent/GB637823A/en not_active Expired

Also Published As

Publication number	Publication date
US2587482A (en)	1952-02-26
CH262660A (fr)	1949-07-15
BE472235A (fr)
GB637823A (en)	1950-05-24

Publication	Publication Date	Title
FR945230A (fr)	1949-04-28	Relais de commutation du type piézoélectrique
CH300213A (fr)	1954-07-15	Installation de commutation.
CH251009A (de)	1947-09-30	Kippschalter.
NL67638C (nl)	1951-04-16	Schakelaar voor hoge spanning
FR972966A (fr)	1951-02-06	Perfectionnements aux relais
FR947599A (fr)	1949-07-06	Relais
FR1006837A (fr)	1952-04-28	Relais polarisé
FR966089A (fr)	1950-09-29	Relais
CH254936A (de)	1948-05-31	Kontaktrelais.
FR946955A (fr)	1949-06-20	Détersifs
FR952109A (fr)	1949-11-09	Interrupteurs de circuit
FR970607A (fr)	1951-01-08	Relais électriques
FR928855A (fr)	1947-12-10	Relais téléphonique
CH261495A (de)	1949-05-15	Piezoelektrisches Relais.
FR935271A (fr)	1948-06-15	Perfectionnements aux relais électriques
FR946000A (fr)	1949-05-19	Relais
FR984780A (fr)	1951-07-10	Relais oscillant polarisé
FR929659A (fr)	1948-01-05	Systèmes de commutation
FR949135A (fr)	1949-08-22	Relais électriques
FR934623A (fr)	1948-05-27	Relais téléphonique miniature
FR939037A (fr)	1948-11-02	Commutateurs de télécommunication
FR935710A (fr)	1948-06-29	Perfectionnements aux relais
FR937293A (fr)	1948-08-12	Relais électrique
FR928197A (fr)	1947-11-20	Relais à décharge
FR947307A (fr)	1949-06-29	Perfectionnements aux commutateurs ou autres relais à temps