Protection switching system for microwave radio

Details Protection switching system for microwave radio Protection switching system for microwave radio

1976-06-29

1977-08-02

Safourek, Benedict V.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

325 3, 340147SC, H04B 160

Patent

active

040399478

ABSTRACT:
A protection switching system for microwave radio employs a frequency-agile-repeater (FAR) which is automatically re-tuned to the frequency of a failed repeater. A shutter associated with the failed repeater reflects the input signal normally employed by the failed repeater into the FAR, while the output of the FAR is reflected by a second shutter into the transmitting antenna.

REFERENCES:
patent: 2597043 (1952-05-01), Treadwell
patent: 2699495 (1955-01-01), Magnuski et al.
patent: 3111624 (1963-11-01), Farkas
patent: 3681694 (1972-08-01), Sarati

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