Number | Name | Date | Kind |
---|---|---|---|
3800388 | Borner et al. | Apr 1974 | |
3808549 | Maurer | Apr 1974 | |
3932761 | Ramsey et al. | Jan 1976 | |
3948582 | Martin | Apr 1976 |
Entry |
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Hoss; R. and Weigl, F; "A Fiber Optically Linked 100 Channel Voice Intercom", Topical Meeting on Optical Fiber Transmission, Jan. 7-9, 1975, Williamsburg, Va., pp. ThA5-1-4. |