Number | Date | Country | Kind |
---|---|---|---|
1-073937 | Mar 1989 | JPX | |
1-073938 | Mar 1989 | JPX | |
1-073939 | Mar 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4742391 | Sorgi et al. | May 1988 | |
4843465 | Yuasa et al. | Jun 1989 | |
4893467 | Reimann | Jun 1989 |
Entry |
---|
BBC Research Department Report, No. 16, Tadworth GB, pp. 1-25, J. H. Scott, "Digital Video Bit-Rate Reduction: DPCM for Sub-Nyquist PAL", Oct. 1987. |
Patent Abstracts of Japan, vol. 12, No. 13 (E-573) [2860], with respect to JP-A-62 171389 (Jul. 28, 1987), Jan. 14, 1988. |
IEEE Transactions on Communications, vol. 25, No. 11, pp. 1295-1302, W. Zschunke, "DPCM Picture Coding with Adaptive Prediction", Nov. 1977. |