Number | Date | Country | Kind |
---|---|---|---|
55-39434 | Mar 1980 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2485848 | Sharp | Oct 1949 | |
3183385 | Gabriel | May 1965 | |
3430966 | Gregg | Mar 1969 | |
3943275 | Jebens | Mar 1976 | |
4002826 | Semenschot | Jan 1977 | |
4074282 | Balos | Feb 1978 |
Number | Date | Country |
---|---|---|
2822899 | Nov 1979 | DEX |
Entry |
---|
Circuits, Devices, and Systems, by Smith .COPYRGT.1966, pp. 516.518. |
Japanese Patent Abstract, 55-4710(A), Fujita, 1/14/80. |
"Drive for Hermetically Sealed Disk File", by Treseder, IBM Tech. Disc. Bul., vol. 22, No. 3, Aug. 1979, pp. 1181, 1182. |