Number | Name | Date | Kind |
---|---|---|---|
2894260 | Ellis | Jul 1959 | |
3579241 | Antista | May 1971 | |
4008479 | Smith | Feb 1977 | |
4780727 | Seal et al. | Oct 1988 | |
4868576 | Johnson, Jr. | Sep 1989 | |
5079558 | Koike | Jan 1992 | |
5138331 | Josypenko | Aug 1992 | |
5198831 | Burrell et al. | Mar 1993 | |
5346300 | Yamamoto et al. | Sep 1994 | |
5374937 | Tsunekawa et al. | Dec 1994 | |
5504494 | Chatzipetros et al. | Apr 1996 | |
5535435 | Balzano et al. | Jul 1996 | |
5583519 | Koike | Dec 1996 | |
5710567 | Funke | Jan 1998 | |
5757336 | Matsuoka | May 1998 | |
5757337 | Hsueh et al. | May 1998 |
Number | Date | Country |
---|---|---|
0 715 369 A1 | May 1996 | EPX |
Entry |
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Clark, R.A. et al., Series and Parallel-fed Linearly Polarized Helical Aerials, The Radio and Electronic Engineer, pp. 67-71 (Jul. 1964). |