JPS5969561U - electromagnetic focus circuit - Google Patents

electromagnetic focus circuit

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Publication number
JPS5969561U
JPS5969561U JP16497982U JP16497982U JPS5969561U JP S5969561 U JPS5969561 U JP S5969561U JP 16497982 U JP16497982 U JP 16497982U JP 16497982 U JP16497982 U JP 16497982U JP S5969561 U JPS5969561 U JP S5969561U
Authority
JP
Japan
Prior art keywords
circuit
electromagnetic focus
electromagnetic
focus circuit
focus
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.)
Pending
Application number
JP16497982U
Other languages
Japanese (ja)
Inventor
西川　俊次
Original Assignee
日本電気ホームエレクトロニクス株式会社
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 日本電気ホームエレクトロニクス株式会社 filed Critical 日本電気ホームエレクトロニクス株式会社
Priority to JP16497982U priority Critical patent/JPS5969561U/en
Publication of JPS5969561U publication Critical patent/JPS5969561U/en
Pending legal-status Critical Current

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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図は本考案の電磁ラオーカス回路の一実施例を示す
回路図、第２図はそのフォーカス電圧の波形図である。 １・・・電磁フォーカス回路、２・・・フォーカスコイ
ル、３・・・定電流回路、６・・・パラボラ信号発生回
路。FIG. 1 is a circuit diagram showing an embodiment of the electromagnetic Laocus circuit of the present invention, and FIG. 2 is a waveform diagram of its focus voltage. DESCRIPTION OF SYMBOLS 1... Electromagnetic focus circuit, 2... Focus coil, 3... Constant current circuit, 6... Parabolic signal generation circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] フォーカスコイルに流す電流を定電流回路にて一定に制
御する電磁フォーカス回路であって、前記定電流回路の
帰還用トランジスタの出力に、同期信号と同周期のパラ
ボラ信号を重畳するパラボラ信号発生回路を接続してな
る電磁フォーカス回An electromagnetic focus circuit that controls a current flowing through a focus coil to a constant value using a constant current circuit, the electromagnetic focus circuit including a parabolic signal generation circuit that superimposes a parabolic signal having the same period as a synchronization signal on the output of a feedback transistor of the constant current circuit. Electromagnetic focus times when connected
JP16497982U 1982-10-31 1982-10-31 electromagnetic focus circuit Pending JPS5969561U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16497982U JPS5969561U (en) 1982-10-31 1982-10-31 electromagnetic focus circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16497982U JPS5969561U (en) 1982-10-31 1982-10-31 electromagnetic focus circuit

Publications (1)

Publication Number Publication Date
JPS5969561U true JPS5969561U (en) 1984-05-11

Family

ID=30361554

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16497982U Pending JPS5969561U (en) 1982-10-31 1982-10-31 electromagnetic focus circuit

Country Status (1)

Country Link
JP (1) JPS5969561U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4820317B1 (en) * 1970-08-17 1973-06-20

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4820317B1 (en) * 1970-08-17 1973-06-20

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