Number | Name | Date | Kind |
---|---|---|---|
3215773 | Chatten et al. | Nov 1965 | |
3582905 | Kraatz | Jun 1971 | |
3980809 | Cook | Sep 1976 | |
3992572 | Nakagome et al. | Nov 1976 | |
4013828 | Judice | Mar 1977 | |
4281312 | Knudson | Jul 1981 | |
4446516 | Nishimura | May 1984 | |
4494150 | Brickman et al. | Jan 1985 |
Entry |
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"Block Character Coding"; F. Pratt, W. K., W. Chen and C. Reader; Proceedings SPIE; Aug. 1976, pp. 222-228. |