Number | Date | Country | Kind |
---|---|---|---|
3528046 | Aug 1985 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3629509 | Glaser | Dec 1971 | |
3639739 | Golden et al. | Feb 1972 | |
3889108 | Cantrell | Jun 1975 | |
4007360 | Kniel et al. | Feb 1977 | |
4099245 | Maysonett | Jul 1978 | |
4101964 | Betts | Jul 1978 | |
4250456 | Shinmyo et al. | Feb 1981 | |
4340875 | English | Jul 1982 | |
4344149 | Meeberg et al. | Aug 1982 | |
4500837 | Shuey et al. | Feb 1985 | |
4554633 | Glover et al. | Nov 1985 | |
4588979 | Adams | May 1986 | |
4633426 | Venier | Dec 1986 | |
4652857 | Meiksin | Mar 1987 |
Entry |
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LSI Module for the Implements of Digital Filters IEE Proc., vol. 128 Nov. 1981. |
Programable Digital Filter Performs Multiple Functions Electronics Oct. 26, 1970. |