Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Vacuum or hermetically sealed type
Patent
1989-09-06
1992-03-10
Picard, Leo P.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Vacuum or hermetically sealed type
335216, 335208, 335146, 335153, H01H 166, H01H 5100, H01H 900, H01F 100
Patent
active
050952951
ABSTRACT:
A new type of reed switch is described. The switch is comprised of a fixed lead and a flexible reed made of a magnetic substance which are contacting in a glass enclosure. Two magnet rods are coaxially arranged in the same direction with a superconducting film therebetween. When the surrounding temperature is descended below Tc of the superconducting film, a dipole moment is formed across the superconducting film and moves the reed away from the lead by the magnetic force thereof.
Barrera Ramon M.
Picard Leo P.
Semiconductor Energy Laboratory Co,. Ltd.
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