Number | Date | Country | Kind |
---|---|---|---|
53-114435 | Sep 1978 | JPX | |
54-75388 | Jun 1979 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3381098 | Pezirtzoglou | Jan 1968 | |
3394234 | Grace | Jul 1968 | |
3480739 | Kinkel | Nov 1969 | |
3526727 | Rziner et al. | Sep 1970 | |
3585312 | Heizer | Jun 1971 | |
3621148 | Johnson | Nov 1971 |
Number | Date | Country |
---|---|---|
811164 | Aug 1951 | DEX |
1074283 | Jan 1960 | DEX |
33-6270 | Aug 1958 | JPX |
44-30415 | Dec 1969 | JPX |
50-142008 | Nov 1975 | JPX |
51-931 | Jan 1976 | JPX |
379146 | Aug 1964 | CHX |
1461622 | Jan 1977 | GBX |
Entry |
---|
J. Somerset Murray, Tape Recorder Circuits, Nov. 1962, pp. 531-534. |