Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Radio frequency switch
Patent
1996-04-04
1997-12-16
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Radio frequency switch
335151, 335205, 333105, 340644, H01H 5304
Patent
active
056990308
ABSTRACT:
An electromagnetic relay, such as an electromechanical RF switch, which is operated by an electromagnetic coil, is provided with an indicating circuit which responds to the position of the electromagnetic armature as well as the application of driving current to the coil. A magnetically activated reed switch is mounted adjacent to the electromagnetic coil at a distance selected so that the magnetic field of the coil will operate the reed switch when current is applied to the coil and the armature is driven into a position closing a magnetic circle.
REFERENCES:
patent: 4479117 (1984-10-01), Marquardt
patent: 4633201 (1986-12-01), Ruff
Bauer Yuly
Leikus Vincent
Donovan Lincoln
The Narda Microwave Corporation
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