Number | Date | Country | Kind |
---|---|---|---|
56-7566 | Jan 1981 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2676766 | Ross et al. | Apr 1954 | |
3111282 | Proctor | Nov 1963 | |
3882542 | Nakamichi | May 1975 | |
4185307 | Sato | Jan 1980 | |
4368860 | Goto | Jan 1983 |
Number | Date | Country |
---|---|---|
1099755 | Feb 1961 | DEX |
2242808 | Mar 1974 | DEX |
2658586 | Jul 1977 | DEX |
2556872 | Mar 1978 | DEX |
2069235 | Aug 1971 | FRX |
2195819 | Mar 1974 | FRX |
2330110 | May 1977 | FRX |
1426889 | Mar 1976 | GBX |
1441619 | Jul 1976 | GBX |
Entry |
---|
IBM Technical Disclosure Bulletin, vol. 14, No. 8, Jan. 1972 "Tape Cassette", W. G. Jackson and D. H. Johnston. |