Number | Date | Country | Kind |
---|---|---|---|
82430019.8 | Jul 1982 | EPX |
Number | Name | Date | Kind |
---|---|---|---|
3509279 | Martin et al. | Apr 1970 | |
3708784 | Spencer | Jan 1973 | |
3845401 | Troiani et al. | Oct 1974 | |
4121122 | Pokrandt | Oct 1978 | |
4403159 | Goerne et al. | Sep 1983 | |
4410858 | Kusakabe | Oct 1983 | |
4418290 | Nagano | Nov 1983 | |
4424457 | Leuthold | Jan 1984 |
Entry |
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Electronic Design, 3/31/81, vol. 29, No. 7, R. Tenny, "Transistor Circuits Convert PIA Lines to RS-232 Ports & Vice-Versa", FIG. 2. |
J. G. Graeme & G. E. Toby: "Operational Amplifiers", 1971, pp. 38-43, Chapter 1, para. 1.5, McGraw Hill, London; Differential Amplifier Stage Signal Characteristics, p. 41, lines 26-28. |
IBM TDB, vol. 23, No. 4, Sep. 1980, pp. 1452-1453, Y. H. Chan et al., "Long Line Receiver". p. 1452, lines 10-11. |