JPS5819574U

JPS5819574U - input circuit

Info

Publication number: JPS5819574U
Application number: JP1981111074U
Authority: JP
Inventors: 片野　忠義
Original assignee: 株式会社東芝
Priority date: 1981-07-28
Filing date: 1981-07-28
Publication date: 1983-02-07

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の入力回路の構成を示す回路図、第２図は
第１図の入力回路を改善した従来例の構成を示す回路図
、第３図は本考案の一実施例を示す回路図、第４図は第
３図に示される実施例の変形例を示す回路図、第５−は
本考案の他の実施例を示す回路図である。１．２・・・入力端、３・・・音声回路、４・・・映像
回路、６・・・電源回路、１１，１２．１６・・・コイ
ル、１３゜１５・・・コンデンサ、１４．１４’・・・
フィルタ回路、１７．１８・・・抵抗。Figure 1 is a circuit diagram showing the configuration of a conventional input circuit, Figure 2 is a circuit diagram showing the configuration of a conventional example that is an improvement on the input circuit in Figure 1, and Figure 3 is a circuit diagram showing an embodiment of the present invention. 4 is a circuit diagram showing a modification of the embodiment shown in FIG. 3, and FIG. 5 is a circuit diagram showing another embodiment of the present invention. 1.2...Input end, 3...Audio circuit, 4...Video circuit, 6...Power supply circuit, 11,12.16...Coil, 13°15...Capacitor, 14. 14'...
Filter circuit, 17.18...resistance.

Claims

[Scope of utility model registration request]

In an input circuit that receives and reproduces an audio signal and a video signal from each input terminal of an audio circuit and a video circuit,
A coil is connected between each ground terminal of each of the two power supply terminals of the audio circuit and the video circuit, a coil or a resistor is connected between each of the other terminals, and a capacitor is connected between the power supply terminals of the audio circuit or the video circuit. and supplies power to the other power supply terminal.