Number | Date | Country | Kind |
---|---|---|---|
76 00559 | Jan 1976 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
3254343 | Laub et al. | May 1966 | |
3329959 | Laub et al. | Jul 1967 | |
3618103 | Ringland | Nov 1971 | |
3943522 | Ben-Dov | Mar 1976 | |
4005432 | Beccario | Jan 1977 |
Entry |
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Isbell, Log Periodic Dipole Arrays, in IRE Transactions on Antennas and Propagation, vol. AP-8, No. 3, pp. 263-265, 1960. |