Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1981-12-11
1985-02-05
Miller, Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307363, 307443, 307566, H03K 3013, H03K 19088, H03K 19092
Patent
active
044980221
ABSTRACT:
An output buffer circuit capable of three-output states of high and low levels and a high impedance. The output buffer circuit includes a detector circuit for detecting that a power source voltage for the buffer circuit is particularly high and for turning the output of the buffer circuit to the high impedance state when the high voltage is detected.
REFERENCES:
patent: 4044330 (1977-08-01), Johnson et al.
patent: 4194132 (1980-03-01), Mrazek
patent: 4321489 (1982-03-01), Higuchi et al.
patent: 4339675 (1982-07-01), Ramsey
patent: 4380709 (1983-04-01), Au
patent: 4425517 (1984-01-01), Smith
Fukushima Toshitaka
Kawabata Yuichi
Koyama Kazumi
Fujitsu Limited
Hudspeth David R.
Miller Stanley D.
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