Number | Date | Country | Kind |
---|---|---|---|
54-70430 | Jun 1979 | JPX | |
54-83331 | Jun 1979 | JPX | |
54-96893[U] | Jul 1979 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3559076 | Worcester | Jan 1971 | |
3639840 | Shekel | Feb 1972 | |
3828257 | Puskas | Aug 1974 | |
3965427 | Ma | Jun 1976 | |
3968440 | Ehni | Jul 1976 | |
4081752 | Sumi | Mar 1978 | |
4110693 | Evans | Aug 1978 | |
4137502 | Maddaloni | Jan 1979 | |
4189678 | Sakamoto | Feb 1980 |
Number | Date | Country |
---|---|---|
2362437 | May 1978 | DEX |
948363 | Jan 1964 | GBX |
Entry |
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A System Approach to Low-Cost Electronic Tuning Address, by Howell, IEEE Transactions on Consumer Electronics, vol. CE-24, No. 3, 8/78, pp. 408-416. |