Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1974-11-25
1976-07-06
Wilbur, Maynard R.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343 13R, G01S 904, G01S 906
Patent
active
039684911
ABSTRACT:
A range-determining circuit which counts the time from the transmission of detection-signal to its echo return, in units corresponding directly to the distance that the detection signal travels.
REFERENCES:
patent: 2941151 (1960-06-01), Goldbohm et al.
patent: 3117317 (1964-01-01), Kenyon
patent: 3199104 (1965-08-01), Miller
patent: 3539978 (1970-11-01), Stedtnitz
patent: 3545861 (1970-12-01), Farnsworth et al.
patent: 3555549 (1971-01-01), Watkins et al.
Berger Richard E.
Brown Norman
Schneider Philip
Sciascia R. S.
The United States of America as represented by the Secretary of
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