Number | Name | Date | Kind |
---|---|---|---|
3652867 | Zinn | Mar 1972 | |
3870396 | Racki et al. | Mar 1975 | |
3870398 | Love | Mar 1975 | |
4017149 | Kao | Apr 1977 | |
4072399 | Love | Feb 1978 | |
4112293 | Kach | Sep 1978 | |
4144414 | Nicholas | Mar 1979 | |
4166946 | Chown et al. | Sep 1979 |
Number | Date | Country |
---|---|---|
57-20051 | Feb 1982 | JPX |
Entry |
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P. Abramson and F. E. Noel, "Fiber-optic Transmission System With Bypassable Repeaters", IBM Technical Disclosure Bulletin, vol. 25, No. 1, Jun. '82. |