IT8523326A0 - Apparato commutatore di correnti elettriche azionabile in modo sincrono, avente capacita' di commutare parecchi circuiti e/o ridotta resistenza di contatto. - Google Patents
Apparato commutatore di correnti elettriche azionabile in modo sincrono, avente capacita' di commutare parecchi circuiti e/o ridotta resistenza di contatto.Info
- Publication number
- IT8523326A0 IT8523326A0 IT8523326A IT2332685A IT8523326A0 IT 8523326 A0 IT8523326 A0 IT 8523326A0 IT 8523326 A IT8523326 A IT 8523326A IT 2332685 A IT2332685 A IT 2332685A IT 8523326 A0 IT8523326 A0 IT 8523326A0
- Authority
- IT
- Italy
- Prior art keywords
- capacity
- electric current
- contact resistance
- reduced contact
- operated synchronously
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H57/00—Electrostrictive relays; Piezoelectric relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
- H01H9/56—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the ac cycle
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/684,882 US4620123A (en) | 1984-12-21 | 1984-12-21 | Synchronously operable electrical current switching apparatus having multiple circuit switching capability and/or reduced contact resistance |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8523326A0 true IT8523326A0 (it) | 1985-12-20 |
IT1186161B IT1186161B (it) | 1987-11-18 |
Family
ID=24749959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23326/85A IT1186161B (it) | 1984-12-21 | 1985-12-20 | Apparato commutatore di correnti elettriche azionabile in modo sincrono,avente capacita' di commutare parecchi circuiti e/o ridotta resistenza di contatto |
Country Status (7)
Country | Link |
---|---|
US (1) | US4620123A (it) |
JP (1) | JPS61156617A (it) |
DE (1) | DE3544655A1 (it) |
FR (1) | FR2575324A1 (it) |
GB (1) | GB2169138B (it) |
IT (1) | IT1186161B (it) |
SE (1) | SE8506085L (it) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5093600A (en) * | 1987-09-18 | 1992-03-03 | Pacific Bell | Piezo-electric relay |
US4893048A (en) * | 1988-10-03 | 1990-01-09 | General Electric Company | Multi-gap switch |
JP3521499B2 (ja) * | 1993-11-26 | 2004-04-19 | 日本碍子株式会社 | 圧電/電歪膜型素子 |
US6094116A (en) * | 1996-08-01 | 2000-07-25 | California Institute Of Technology | Micro-electromechanical relays |
DE19632347A1 (de) * | 1996-08-10 | 1998-02-12 | Kaco Elektrotechnik Gmbh | Schalter, insbesondere Relais |
EP0907212A1 (en) * | 1996-11-29 | 1999-04-07 | Ngk Insulators, Ltd. | Ceramic element, method of manufacturing ceramic element, display, relay device, and capacitor |
EP0968530A4 (en) * | 1997-02-04 | 2001-04-25 | California Inst Of Techn | MICRO-ELECTROMECHANICAL RELAY |
US6229683B1 (en) | 1999-06-30 | 2001-05-08 | Mcnc | High voltage micromachined electrostatic switch |
US6057520A (en) * | 1999-06-30 | 2000-05-02 | Mcnc | Arc resistant high voltage micromachined electrostatic switch |
US6359374B1 (en) | 1999-11-23 | 2002-03-19 | Mcnc | Miniature electrical relays using a piezoelectric thin film as an actuating element |
US6731492B2 (en) | 2001-09-07 | 2004-05-04 | Mcnc Research And Development Institute | Overdrive structures for flexible electrostatic switch |
US7052117B2 (en) | 2002-07-03 | 2006-05-30 | Dimatix, Inc. | Printhead having a thin pre-fired piezoelectric layer |
US7281778B2 (en) | 2004-03-15 | 2007-10-16 | Fujifilm Dimatix, Inc. | High frequency droplet ejection device and method |
US8491076B2 (en) | 2004-03-15 | 2013-07-23 | Fujifilm Dimatix, Inc. | Fluid droplet ejection devices and methods |
CN101094770B (zh) | 2004-12-30 | 2010-04-14 | 富士胶卷迪马蒂克斯股份有限公司 | 喷墨打印 |
US7633213B2 (en) * | 2005-03-15 | 2009-12-15 | Panasonic Corporation | Actuator, switch using the actuator, and method of controlling the actuator |
US7988247B2 (en) | 2007-01-11 | 2011-08-02 | Fujifilm Dimatix, Inc. | Ejection of drops having variable drop size from an ink jet printer |
DE102010008755A1 (de) * | 2010-02-17 | 2011-08-18 | E.G.O. Elektro-Gerätebau GmbH, 75038 | Verfahren und Vorrichtung zum Ausschalten eines Schalters |
US8541926B2 (en) * | 2011-06-27 | 2013-09-24 | The United States Of America As Represented By The Secretary Of The Army | Nano/micro electro-mechanical relay |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL51407C (it) * | 1937-03-16 | |||
US2182340A (en) * | 1938-03-03 | 1939-12-05 | Bell Telephone Labor Inc | Signaling system |
US2471967A (en) * | 1946-05-03 | 1949-05-31 | Bell Telephone Labor Inc | Piezoelectric type switching relay |
US2835761A (en) * | 1953-05-25 | 1958-05-20 | Electric Machinery Mfg Co | Electrostrictive ceramic actuator |
US2842685A (en) * | 1955-12-23 | 1958-07-08 | Gulton Ind Inc | Bender tuned array |
US3110824A (en) * | 1960-10-31 | 1963-11-12 | Eastman Kodak Co | Piezoelectric actuating element |
DE1917876U (de) * | 1964-01-16 | 1965-06-16 | Siemens Ag | Piezoelektrisches relais. |
GB1108566A (en) * | 1964-05-01 | 1968-04-03 | Plessey Uk Ltd | Improvements in electric relays |
US3381226A (en) * | 1965-05-18 | 1968-04-30 | Gen Electric | Zero crossing synchronous switching circuits for power semiconductors |
US3486042A (en) * | 1965-05-18 | 1969-12-23 | Gen Electric | Zero crossing synchronous switching circuits for power semiconductors supplying non-unity power factor loads |
US3688135A (en) * | 1970-10-09 | 1972-08-29 | Clare & Co C P | Piezoelectrically actuated lever switch |
US4093883A (en) * | 1975-06-23 | 1978-06-06 | Yujiro Yamamoto | Piezoelectric multimorph switches |
JPS5260005A (en) * | 1975-11-12 | 1977-05-18 | Fujitsu Ltd | Piezoelectric type switch matrix |
US4074333A (en) * | 1976-07-15 | 1978-02-14 | Shinko Electric Company, Ltd. | A.c. relay system |
US4112279A (en) * | 1977-09-02 | 1978-09-05 | Bell Telephone Laboratories, Incorporated | Piezoelectric relay construction |
US4212101A (en) * | 1978-12-26 | 1980-07-15 | Bell Telephone Laboratories, Incorporated | Method for adjusting piezoelectric relay operating gaps |
JPS6230773Y2 (it) * | 1980-12-19 | 1987-08-07 | ||
US4362407A (en) * | 1981-09-08 | 1982-12-07 | Piezo Electric Products, Inc. | Piezoelectric printer and piezoelectric multilam actuator used therein |
US4458171A (en) * | 1982-01-11 | 1984-07-03 | Piezo Electric Products, Inc. | Piezoelectric relay with tapered magnetic detent |
US4473859A (en) * | 1982-09-22 | 1984-09-25 | Piezo Electric Products, Inc. | Piezoelectric circuit breaker |
US4450375A (en) * | 1982-11-12 | 1984-05-22 | Kiwi Coders Corporation | Piezoelectric fluid control device |
-
1984
- 1984-12-21 US US06/684,882 patent/US4620123A/en not_active Expired - Fee Related
-
1985
- 1985-11-27 GB GB08529186A patent/GB2169138B/en not_active Expired
- 1985-12-13 FR FR8518511A patent/FR2575324A1/fr active Pending
- 1985-12-17 DE DE19853544655 patent/DE3544655A1/de not_active Withdrawn
- 1985-12-19 JP JP60286844A patent/JPS61156617A/ja active Pending
- 1985-12-20 IT IT23326/85A patent/IT1186161B/it active
- 1985-12-20 SE SE8506085A patent/SE8506085L/ not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
GB2169138B (en) | 1988-09-21 |
GB2169138A (en) | 1986-07-02 |
JPS61156617A (ja) | 1986-07-16 |
SE8506085D0 (sv) | 1985-12-20 |
SE8506085L (sv) | 1986-06-22 |
IT1186161B (it) | 1987-11-18 |
GB8529186D0 (en) | 1986-01-02 |
DE3544655A1 (de) | 1986-07-03 |
FR2575324A1 (fr) | 1986-06-27 |
US4620123A (en) | 1986-10-28 |
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