Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Vacuum or hermetically sealed type
Patent
1996-11-13
1999-05-11
Luebke, Renee S.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Vacuum or hermetically sealed type
335152, 361162, H01H1/66
Patent
active
059032022
ABSTRACT:
A reed relay comprising a reed switch having a pair of leads and a magnetic coil assembly for driving the reed switch, the magnetic coil assembly being composed of a magnetic coil wound around a cylindrical bobbin having an insulating flange at each end of the cylindrical bobbin, a terminal insulator integrally continuous with each flange, and a plurality of terminal leads insulated from one another by each of the terminal insulators. One embodiment of the present invention is a cylindrical bobbin having an electric conductivity so as to act as an electrostatic shield for the reed switch inserted thereinto, and another embodiment of the present invention is a method for fabricating the magnetic coil assembly comprising a step of forming a cylindrical bobbin and the terminal leads in each side of the cylindrical bobbin by using a patterned sheet of metal, wherein the cylindrical bobbin is continuous with the ground terminal lead in each side.
REFERENCES:
patent: 3575678 (1971-04-01), Barton
patent: 3760311 (1973-09-01), Zimet et al.
patent: 3940722 (1976-02-01), Fox et al.
patent: 4112478 (1978-09-01), Takahasi et al.
patent: 4136321 (1979-01-01), Smith
patent: 4908593 (1990-03-01), Takayanagi
patent: 5438307 (1995-08-01), Chou
Endoh Tomohisa
Motoyama Tsutomu
Fujitsu Takamisawa Component Limited
Luebke Renee S.
Nguyen Tuyen T.
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