Number | Name | Date | Kind |
---|---|---|---|
3243600 | Fatz | Mar 1966 | |
3588475 | Scott | Jun 1971 | |
4037085 | Minorikawa | Jul 1977 |
Number | Date | Country |
---|---|---|
1458303 | Feb 1973 | GBX |
2026744 | Jul 1978 | GBX |
Entry |
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"B-Directional Counter Using a Cyclic Pseudo-Random Number Generator", Electrotechnology, Jan. 1977, pp. 13-14. |
Robert Brownstein, "Up-Down Counter Cuts Parts Count", Electronics, Jun. 8, 1978, p. 164. |