Title:
TROUBLE MONITOR CIRCUIT
Document Type and Number:
Japanese Patent JPS53116766
Kind Code:
A
Abstract:
PURPOSE: To detect trouble occurrence in a demodulator without requiring a monitoring demodulator by connecting an equalizer to the input terminal of a demodulator, which is a monitored circuit, to equalize input signals and giving a prescribed bias to the demodulated output to compare it in a comparator and detecting positive or negative components in a detector.
Inventors:
NAKAZAWA ISAO
NAKANO TAKAO
HOMITSU HIROYUKI
NAKANO TAKAO
HOMITSU HIROYUKI
Application Number:
JP3179177A
Publication Date:
October 12, 1978
Filing Date:
March 22, 1977
Export Citation:
Assignee:
FUJITSU LTD
International Classes:
H03C1/02; H03C3/02; H03D1/00; H03D3/00; H03F1/00; H03F1/42; H03F1/52; (IPC1-7): H03C1/02; H03C3/02; H03D1/00; H03D3/00; H03F1/00