Number | Date | Country | Kind |
---|---|---|---|
2-35767 | Feb 1990 | JPX | |
2-46319 | Feb 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4917456 | Johns et al. | Apr 1990 | |
4931959 | Brenner et al. | Jun 1990 |
Entry |
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A. A. Sawchuck et al., "Geometries for Optical Implementations of the Perfect Shuffle", SPIE, vol. 963, Optical Computing 88, 1988, pp. 270-282. |