Number | Date | Country | Kind |
---|---|---|---|
57-129039[U] | Aug 1982 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3368200 | McNicol | Feb 1968 | |
3469151 | Newland | Sep 1969 | |
4492937 | Theriault | Jan 1985 |
Entry |
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"Practical Electronic Circuit Handbook, Part 4", p. 344, Figure 2-97, Published by C. Q. Shuppan, K.K. Tokyo, Jan.-1970. |