Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock
Patent
1993-01-19
1994-03-22
Wambach, Margaret R.
Electrical transmission or interconnection systems
Personnel safety or limit control features
Interlock
307570455, H03K 1760, H03K 5153
Patent
active
052967530
ABSTRACT:
A comparator circuit of the present invention comprises first and second bipolar type transistors for amplification of the input and reference voltages and first to fourth MOS type transistors for comparison and latching of the amplified input and reference voltages according to the first driving signal and fifth and sixth MOS type transistors provided between the first/second bipolar transistors and the first to fourth MOS type transistors for turning on and off according to the second driving signal, all on a single stage.
REFERENCES:
patent: 5075581 (1991-12-01), Kamata
patent: 5134319 (1992-07-01), Yamaguchi
NEC Corporation
Wambach Margaret R.
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