JPS6279189U

JPS6279189U -

Info

Publication number: JPS6279189U
Application number: JP17194285U
Authority: JP
Priority date: 1985-11-07
Filing date: 1985-11-07
Publication date: 1987-05-20

Description

[Brief explanation of the drawing]

第１図は本考案の実施例の掃引監視回路のブロ
ツク図、第２図は実施例の掃引監視回路の信号波
形図、第３図は従来の掃引監視回路のブロツク図
、第４図は従来の掃引監視回路の信号波形図であ
る。第１図においては、８は電圧比較器、９は方形
波形成回路、１０は第１の積分器、１１は第２の
積分器、１２は位相反転器、１３は積算器を示し
ている。 FIG. 1 is a block diagram of a sweep monitoring circuit according to an embodiment of the present invention, FIG. 2 is a signal waveform diagram of a sweep monitoring circuit according to an embodiment, FIG. 3 is a block diagram of a conventional sweep monitoring circuit, and FIG. 4 is a conventional one. FIG. 3 is a signal waveform diagram of the sweep monitoring circuit of FIG. In FIG. 1, 8 is a voltage comparator, 9 is a square wave forming circuit, 10 is a first integrator, 11 is a second integrator, 12 is a phase inverter, and 13 is an integrator.

Claims

[Scope of utility model registration request]

A voltage comparator 8 that compares a sweep signal repeatedly swept at a predetermined period with a reference voltage, and a square wave forming circuit 9 that forms a square wave from the comparison result of the voltage comparator 8.
and a first integrator 10 that integrates the square wave,
a phase inverter 12 that inverts the phase of the square wave, a second integrator 11 that integrates the output square wave of the phase inverter 12, the first and second integrators 10,
1. A sweep monitoring circuit comprising: an integrator 13 for integrating the outputs of 11;