Number | Date | Country | Kind |
---|---|---|---|
1-63516 | Mar 1989 | JPX | |
1-146833 | Jun 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3430099 | Ashley | Feb 1969 | |
4642527 | Takahashi et al. | Feb 1987 | |
4725763 | Okuyama et al. | Feb 1988 |
Number | Date | Country |
---|---|---|
5027966 | Aug 1967 | JPX |
0741348 | Jun 1980 | SUX |
Entry |
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Baumgartner, "Simple Convergence in the New 22-Inch Colour Television Receivers", Grundig Tech Info. (German) No. 5, (1974) pp. 409-412. |