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Inventor
MORIKAWA YUICHI
JP
2 patents
Patents
2 patents
US4608464A
Aug 26, 1986
Interface circuit interconnecting a bidirectional two-wire line with unidirectional four-wire lines
NIPPON TELEGRAPH & TELEPHONE
23 citations
80
US4558185A
Dec 10, 1985
Subscriber line interface circuit with complex impedance
NIPPON TELEGRAPH & TELEPHONE
9 citations
71