Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Vacuum or hermetically sealed type
Patent
1999-03-17
1999-12-28
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Vacuum or hermetically sealed type
335154, 336205, 336208, 29622, H01H 166
Patent
active
060087080
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.
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Endoh Tomohisa
Motoyama Tsutomu
Donovan Lincoln
Fujitsu Takamisawa Component Limited
Nguyen Tuyen T.
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