Number | Name | Date | Kind |
---|---|---|---|
3215772 | Kirara | Nov 1965 | |
3526726 | Corbett et al. | Sep 1970 | |
3585291 | Yamakawa | Jun 1971 | |
3663764 | Trost et al. | May 1972 | |
3787616 | Falk | Jan 1974 | |
3838453 | Buslik et al. | Sep 1974 | |
4014040 | Kornhaas | Mar 1977 | |
4044388 | Metzger | Aug 1977 | |
4056832 | DE Boer et al. | Nov 1977 | |
4080636 | Ravizza | Mar 1978 |
Number | Date | Country |
---|---|---|
49-84617 | Aug 1974 | JPX |
Entry |
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IBM Tech. Disc. Bull., Price, Video Tape Recorder with Oscillating Head, vol. 12, No. 1, Jun. 1969, pp. 33-34. |