Number | Date | Country | Kind |
---|---|---|---|
8105831 | Dec 1981 | NLX | |
71-11487 | May 1982 | TWX |
Number | Name | Date | Kind |
---|---|---|---|
2969529 | Gilson | Jan 1961 | |
3549822 | Chupity | Dec 1970 | |
3604847 | Ganske | Sep 1971 | |
4296430 | Warren | Oct 1981 | |
4318146 | Ike et al. | Mar 1982 | |
4482928 | Moriya et al. | Nov 1984 |
Number | Date | Country |
---|---|---|
54-153613 | Dec 1979 | JPX |
57-135421 | Aug 1982 | JPX |
Entry |
---|
Albrecht et al., IBM Technical Disclosure Bulletin, "Dual-Gap Ferrite Head," vol. 20, No. 1, Jun. 1977, pp. 14-15. |