JPS611974U - Cathode ray tube image blocking circuit - Google Patents

Cathode ray tube image blocking circuit

Info

Publication number
JPS611974U
JPS611974U JP1984086465U JP8646584U JPS611974U JP S611974 U JPS611974 U JP S611974U JP 1984086465 U JP1984086465 U JP 1984086465U JP 8646584 U JP8646584 U JP 8646584U JP S611974 U JPS611974 U JP S611974U
Authority
JP
Japan
Prior art keywords
ray tube
cathode ray
resistor
blocking circuit
image blocking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP1984086465U
Other languages
Japanese (ja)
Other versions
JPH0349500Y2 (en
Inventor
昭夫 筒井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Priority to JP1984086465U priority Critical patent/JPS611974U/en
Publication of JPS611974U publication Critical patent/JPS611974U/en
Application granted granted Critical
Publication of JPH0349500Y2 publication Critical patent/JPH0349500Y2/ja
Granted legal-status Critical Current

Links

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の画像遮断回路２の電気回路図、第２図
はミュート信号とグリッド電圧の関係一 を示す図で，ある。 ２・・・画像遮断回路、Ｃ・・・コンデンサ、Ｄ・・・
ダイオード、Ｑ４・・・トランジスタ、ＲＩＯ，Ｒｌｌ
・・・抵抗、Ｅ・・・直流電源、Ｇ１・・・グリッド。FIG. 1 is an electrical circuit diagram of the image blocking circuit 2 of the present invention, and FIG. 2 is a diagram showing the relationship between the mute signal and the grid voltage. 2... Image blocking circuit, C... Capacitor, D...
Diode, Q4...transistor, RIO, Rll
...Resistance, E...DC power supply, G1...Grid.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 直流電源には第１の抵抗および順方向にダイオードが直
列に接続され、第２抵抗とコンデンサとの直列回路が第
１抵抗に並列に接続され、第１抵抗とダイオードの接続
点は陰極線管のグリットに接続され、第２抵抗とコンデ
ンサの接続点にスイッチ素子が接続され、このスイッチ
素子が陰極線管のカソードに与えられる映像信号に乱れ
が生じるときなどに能動化されることを特徴とする陰極
線管の画像遮断回路。A first resistor and a diode are connected in series in the forward direction to the DC power supply, a series circuit of a second resistor and a capacitor is connected in parallel to the first resistor, and the connection point between the first resistor and the diode is connected to the cathode ray tube. A cathode ray tube is connected to the grid, a switch element is connected to a connection point between the second resistor and the capacitor, and the switch element is activated when a disturbance occurs in the video signal applied to the cathode of the cathode ray tube. Tube image blocking circuit.
JP1984086465U 1984-06-11 1984-06-11 Cathode ray tube image blocking circuit Granted JPS611974U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984086465U JPS611974U (en) 1984-06-11 1984-06-11 Cathode ray tube image blocking circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984086465U JPS611974U (en) 1984-06-11 1984-06-11 Cathode ray tube image blocking circuit

Publications (2)

Publication Number Publication Date
JPS611974U true JPS611974U (en) 1986-01-08
JPH0349500Y2 JPH0349500Y2 (en) 1991-10-22

Family

ID=30637800

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984086465U Granted JPS611974U (en) 1984-06-11 1984-06-11 Cathode ray tube image blocking circuit

Country Status (1)

Country Link
JP (1) JPS611974U (en)

Also Published As

Publication number Publication date
JPH0349500Y2 (en) 1991-10-22

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