Number | Name | Date | Kind |
---|---|---|---|
3829195 | Rawson | Aug 1974 | |
3937557 | Milton | Feb 1976 | |
4033669 | Hanson | Jul 1977 | |
4134639 | DiVita | Jan 1979 |
Number | Date | Country |
---|---|---|
1946693 | Aug 1970 | DEX |
2745940 | Apr 1978 | DEX |
Entry |
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Smith, "Acoustically Operated Fiber Optic Switch," IBM Tech. Discl. Bulletin, vol. 14, No. 2, Jul. 1971, p. 652. |
Ishikawa et al, "Beam Splitting and Coupling Circuits Using a Selfoc Lens," 1977, Gen. Natl. Mtg. of IJECE, Mar. 1977, pp. 4-220(916). |
Kobayashi et al, "Micro-Optics Devices for Branching, Coupling, . . .", Int'l Conf. on IOOFC, Tech. Digest, Jul. 1977, pp. 367-370. |
Usui et al, "Three-Way Optical Directional Coupler", [Journal Unknown], Mar. 1978, p. 852. |