Method for monitoring and controlling an antenna selector and an

Details Method for monitoring and controlling an antenna selector and an Method for monitoring and controlling an antenna selector and an

1987-10-16

1989-03-07

Sikes, William L.

Communications: radio wave antennas

Antennas

Switching between antennas and lines

343850, 343853, 342374, H01Q 324

Patent

active

048110329

ABSTRACT:
In a method for monitoring and controlling an antenna selector in which a large number of switching points (U11, . . . Umn) are provided in matrix arrangement in order to connect m transmitters (S1, . . . , Sm) to n antennas (A1, . . . , An) in arbitrary manner, the switching state of the individual switching points is monitored and controlled by the switching points (U11, . . . , Umn) being sequentially selected by selection of the associated rows and columns.
Compared with the prior art in which separate signal lines were provided for each breaker at each switching point, this results in a distinct simplification in the wiring of the system.

REFERENCES:
patent: 2127336 (1938-08-01), Leng
patent: 3009118 (1961-11-01), Stinson
patent: 3141067 (1964-07-01), Spandorfer
patent: 3593206 (1971-07-01), Schimann
patent: 3840875 (1974-10-01), Neal
patent: 3935394 (1976-01-01), Bulfer
patent: 4070637 (1978-01-01), Assal et al.
Surovov, "Antenna Feeder Devices", Telecommunications & Radio Engineering, vol. 29/30, No. 10, Oct. 1975, pp. 35-40.
Forcina et al., "Fault Detection/Diagnostics . . . Subsystem", 6th International Conference on Digital Satellite Communications, 19-23 Sep. 1983, pp. X-1-X-8.
Bird et al., "Testing Electrochromic Matric Displays", IBM Technical Disclosure Bulletin, vol. 25, No. 11A, Apr. 1983, pp. 5488-5489.
Ronen et al., "Monitoring Techniques for Phased-Array Antennas", IEEE Transactions on Antennas and Propagation, vol. AP-33, No. 12, Dec. 1985, pp. 1313-1327.

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