Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Reexamination Certificate
2005-09-20
2005-09-20
Dougherty, Thomas M. (Department: 2834)
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
C310S026000, C200S182000, C200S187000, C200S188000, C200S189000, C200S211000, C200S212000, C200S214000, C200S215000, C200S219000, C335S047000, C335S049000, C335S051000, C335S058000, C385S009000, C385S147000
Reexamination Certificate
active
06946776
ABSTRACT:
A method and apparatus for maintaining a liquid metal switch in a state of readiness for switching. The liquid metal switch has a liquid metal volume contained in a cavity of a switch body. A signal path though the cavity is made or broken by energizing an actuator to move the liquid metal volume within the cavity in response to a switching signal. To maintain readiness, a signal generator supplies a vibratory signal to the actuator. The resulting vibrations in the liquid metal volume allow the liquid metal volume to be subsequently moved with reduced power.
REFERENCES:
patent: 6323447 (2001-11-01), Kondoh et al.
patent: 6373356 (2002-04-01), Gutierrez et al.
patent: 6512322 (2003-01-01), Fong et al.
patent: 6515404 (2003-02-01), Wong
patent: 2004/0201310 (2004-10-01), Wong et al.
patent: 2004/0201329 (2004-10-01), Wong et al.
patent: 0593836 (1992-10-01), None
patent: 2418539 (1979-09-01), None
patent: 2458138 (1980-10-01), None
patent: 2667396 (1990-09-01), None
patent: SHO 36-18575 (1961-10-01), None
patent: SHO 47-21645 (1972-10-01), None
patent: 63-276838 (1987-05-01), None
patent: 01-294317 (1988-05-01), None
patent: 08-125487 (1996-05-01), None
patent: 9161640 (1997-06-01), None
patent: WO 99/46624 (1999-09-01), None
Bhedwar, Homi C. et al. “Ceramic Multilayer Package Fabrication.” Electronic Materials Handbook, Nov. 1989, pp. 460-469, vol. 1 Packaging, Section 4: Packages.
“Integral Power Resistors for Aluminum Substrate.” IBM Technical Disclosure Bulletin, Jun. 1984, US, Jun. 1, 1984, p. 827, vol. 27, No. 1B, TDB-ACC-No.: NB8406827, Cross Reference: 0018-8689-27-1B-827.
Kim, Joonwon et al. “A Micromechanical Switch with Electrostatically Driven Liquid-Metal Droplet.” Sensors and Actuators, A: Physical. v 9798, Apr. 1, 2002, 4 pages.
Jonathan Simon, “A Liquid-Filled Microrelay with a Moving Mercury Microdrop” (Sep. 1997) Journal of Microelectromechanical Systems, vol. 6, No. 3, pp208-216.
Marvin Glenn Wong, “A Piezoelectrically Actuated Liquid Metal Switch”; filed May 1, 2002, U.S. Appl. No. 10/137,691, 12 pages of specification, 5 pages of claims, 1 page of abstract, and 10 sheets of drawings (Figs. 1-10).
Fong Arthur
Wong Marvin Glenn
Agilent Technologie,s Inc.
Dougherty Thomas M.
LandOfFree
Method and apparatus for maintaining a liquid metal switch... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for maintaining a liquid metal switch..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for maintaining a liquid metal switch... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3436967