Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock
Patent
1981-02-20
1982-12-14
Zazworsky, John
Electrical transmission or interconnection systems
Personnel safety or limit control features
Interlock
307264, 307351, 307562, 328165, 330 9, 330 11, H03K 5153, H03K 501
Patent
active
043639771
ABSTRACT:
A device for discriminating between two values of a signal using DC offset compensation including an automatic gain control circuit, a peak detector circuit and a feedback path from the peak detector circuit to the input circuit of the automatic gain control circuit. The value of the feedback current is regulated so that the maximum value of one of the same polarity signals and the opposite polarity signal coincides with the minimum value of the other of the two signals.
REFERENCES:
patent: 3473131 (1969-10-01), Perkins, Jr.
patent: 4156854 (1979-05-01), Weller
patent: 4328434 (1982-05-01), Geller
Chujo Takafumi
Murakami Norio
Murano Kazuo
Takahashi Motohide
Tsuda Toshitaka
Fujitsu Limited
Zazworsky John
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