Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Vacuum or hermetically sealed type
Patent
1997-06-16
1999-01-19
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Vacuum or hermetically sealed type
361 18, H01H 166
Patent
active
058617876
ABSTRACT:
A relay for high frequency instruments and a reverse power protection circuit for high frequency instruments are described herein. The relay is inexpensive to construct, permits good impedance matching up to approximately 5 GHz, and can be easily mounted on a coplanar waveguide transmission line. The circuit can open the relay in response to a reverse power condition in as little as 8 microseconds and provides both good grounding and functions reliably up to 4 GHz.
REFERENCES:
patent: 5198697 (1993-03-01), Loth
patent: 5258731 (1993-11-01), Zemke
patent: 5381297 (1995-01-01), Weber
patent: 5684441 (1997-11-01), Graeber et al.
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