JPS586480U

JPS586480U - Television signal processing equipment

Info

Publication number: JPS586480U
Application number: JP10036681U
Authority: JP
Inventors: 舘下　恒男
Original assignee: 株式会社東芝
Priority date: 1981-07-06
Filing date: 1981-07-06
Publication date: 1983-01-17

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]

図面はこの考案の一実施例を示す構成説明図である。１・・・・・・チューナ、１２，１３．２２・・・・・
・第１、第２、第３、のスイッチ回路、１４・・・・・
・パンドパ　　。スフイルタ、１５．２４・・・・・・周波数変換回路、
１６・・・・・・合成回路、−１７・・・・・・色復調
回路、１８・・・・・・マド１ノックス回路、１９・・
・・・・カラーブラウン管、２０・・・・・べし形フィ
ルタ、２１・・・・・・ＦＭ変調回路。The drawing is a configuration explanatory diagram showing an embodiment of this invention. 1...Tuner, 12,13.22...
・First, second, third switch circuits, 14...
・Pandopa. filter, 15.24...frequency conversion circuit,
16... Synthesis circuit, -17... Color demodulation circuit, 18... Mad 1 Knox circuit, 19...
...Color cathode ray tube, 20 ... Beam filter, 21 ... FM modulation circuit.

Claims

[Scope of utility model registration request]

In the recording mode of the magnetic recording/reproducing device, the video detection output from the tuner is applied to the first input terminal, and in the reproduction mode, the color signal from the comb filter circuit is applied to the second input terminal.
a first switch circuit whose output is applied to the color demodulation circuit on the color cathode ray tube side through a band-pass filter, and which is applied to a first frequency conversion circuit that converts the frequency from high frequency to low frequency. and, in the recording mode, a synthesis circuit that synthesizes an FM luminance signal obtained by FM modulating the luminance signal from the comb filter circuit and a low-frequency conversion color signal output from the first frequency conversion circuit; In the recording mode, the video detection output is the first
When the reproduction mode is 1,000, the output of a second frequency conversion circuit for converting the reproduced low frequency conversion color signal to a high frequency signal is applied to the second input terminal, and the output is applied to the comb filter. A second switch circuit is applied to the circuit, and in the recording mode, the luminance signal output from the comb filter circuit is applied to the first input terminal, and in the reproduction mode, the luminance signal output from the comb filter circuit is applied to the first input terminal, and in the reproduction mode, the luminance signal output from the comb filter circuit is applied to the first input terminal. The FM demodulated luminance signal is applied to a second input terminal, and the output is applied to a third input terminal via an amplifier circuit to a matrix circuit on the color cathode ray tube side.
A television signal processing device comprising: a switch circuit;