JPH01105262U - - Google Patents
Info
- Publication number
- JPH01105262U JPH01105262U JP20016787U JP20016787U JPH01105262U JP H01105262 U JPH01105262 U JP H01105262U JP 20016787 U JP20016787 U JP 20016787U JP 20016787 U JP20016787 U JP 20016787U JP H01105262 U JPH01105262 U JP H01105262U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- voltage
- high voltage
- horizontal deflection
- power supply
- 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
Links
- 238000004804 winding Methods 0.000 claims description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 238000010894 electron beam technology Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Details Of Television Scanning (AREA)
Description
第１図は本考案による水平偏向回路の一実施例
を示す回路図、第２図は水平同期周波数と水平走
査幅の可変範囲との関係を示す特性曲線図、第３
図及び第４図は従来回路を示す回路図である。
１……水平出力回路、５……水平偏向コイル、
８……フライバツクトランス、９……フライバツ
クトランスの２次巻線、１０……高圧回路、１８
……高圧安定回路、２０……フライバツクトラン
スの３次巻線、２６……電圧レベル可変部、２７
……電源回路。
FIG. 1 is a circuit diagram showing an embodiment of the horizontal deflection circuit according to the present invention, FIG. 2 is a characteristic curve diagram showing the relationship between the horizontal synchronization frequency and the variable range of the horizontal scanning width, and FIG.
1 and 4 are circuit diagrams showing conventional circuits. 1...Horizontal output circuit, 5...Horizontal deflection coil,
8... Flyback transformer, 9... Secondary winding of flyback transformer, 10... High voltage circuit, 18
... High voltage stabilizing circuit, 20 ... Tertiary winding of flyback transformer, 26 ... Voltage level variable section, 27
...Power circuit.
補正 昭６３．３．３１
考案の名称を次のように補正する。
考案の名称 水平偏向回路
実用新案登録請求の範囲、図面の簡単な説明を
次のように補正する。Amendment: March 31, 1986: The name of the invention is amended as follows. Title of the invention: Horizontal deflection circuit The claims for utility model registration and the brief description of the drawings are amended as follows.
【実用新案登録請求の範囲】
水平偏向コイルに偏向電流を流すと共に、上記
偏向電流を変化させて電子ビームの水平走査幅を
制御するようにした水平偏向回路において、
フライバツクトランスの２次巻線からの電圧に
基づいて陰極線管に対する高圧電圧を形成する高
圧回路と、
当該高圧回路からの高圧電圧を安定化させる高
圧安定回路と、
上記フライバツクトランスの３次巻線から得ら
れる電圧を、上記水平偏向コイルに対する電源電
圧を可変させる基準電源として用いる電源電圧形
成手段と、
当該電源電圧形成手段による電源電圧レベルを
変えて上記水平偏向コイルに流れる偏向電流を変
化させる電源電圧レベル可変手段とを設けたこと
を特徴とする水平偏向回路。[Claims for Utility Model Registration] In a horizontal deflection circuit in which a deflection current is passed through a horizontal deflection coil and the horizontal scanning width of an electron beam is controlled by changing the deflection current, a secondary winding of a flyback transformer is provided. a high voltage circuit that forms a high voltage for the cathode ray tube based on the voltage from the high voltage circuit, a high voltage stabilizing circuit that stabilizes the high voltage from the high voltage circuit, and a voltage obtained from the tertiary winding of the flyback transformer, A power supply voltage forming means used as a reference power supply for varying the power supply voltage for the horizontal deflection coil, and a power supply voltage level varying means for changing the power supply voltage level by the power supply voltage forming means to change the deflection current flowing through the horizontal deflection coil are provided. A horizontal deflection circuit characterized by:
【図面の簡単な説明】
第１図は本考案による水平偏向回路の一実施例
を示す回路図、第２図及び第３図は従来回路を示
す回路図である。
１……水平出力回路、５……水平偏向コイル、
８……フライバツクトランス、９……フライバツ
クトランスの２次巻線、１０……高圧回路、１８
……高圧安定回路、２０……フライバツクトラン
スの３次巻線、２６……電圧レベル可変部、２７
……電源回路、高圧出力回路。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a circuit diagram showing an embodiment of a horizontal deflection circuit according to the present invention, and FIGS. 2 and 3 are circuit diagrams showing conventional circuits. 1...Horizontal output circuit, 5...Horizontal deflection coil,
8... Flyback transformer, 9... Secondary winding of flyback transformer, 10... High voltage circuit, 18
... High voltage stabilizing circuit, 20 ... Tertiary winding of flyback transformer, 26 ... Voltage level variable section, 27
...Power supply circuit, high voltage output circuit.
Claims (1)
偏向電流を変化させて電子ビームの水平走査幅を
制御するようにした水平偏向回路において、 上記フライバツクトランスの２次巻線からの電
圧に基づいて陰極線管に対する高圧電圧を形成す
る高圧回路と、 当該高圧回路からの高圧電圧を安定化させる高
圧安定回路と、 フライバツクトランスの３次巻線から得られる
電圧を用いて上記水平偏向コイルに対する電源電
圧を形成する電源電圧形成手段と、 当該電源電圧形成手段による電圧レベルを変え
て上記水平偏向コイルに流れる偏向電流を変化さ
せる電圧レベル可変手段とを設けたことを特徴と
する水平偏向回路。[Claims for Utility Model Registration] A horizontal deflection circuit configured to flow a deflection current through a horizontal deflection coil and control the horizontal scanning width of an electron beam by changing the deflection current, the secondary winding of the flyback transformer; A high voltage circuit that generates a high voltage for the cathode ray tube based on the voltage from the line, a high voltage stabilizing circuit that stabilizes the high voltage from the high voltage circuit, and a voltage obtained from the tertiary winding of the flyback transformer. A power supply voltage forming means for forming a power supply voltage for the horizontal deflection coil; and a voltage level varying means for changing the voltage level of the power supply voltage forming means to change the deflection current flowing through the horizontal deflection coil. horizontal deflection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20016787U JPH01105262U (en) | 1987-12-30 | 1987-12-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20016787U JPH01105262U (en) | 1987-12-30 | 1987-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01105262U true JPH01105262U (en) | 1989-07-14 |
Family
ID=31490591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20016787U Pending JPH01105262U (en) | 1987-12-30 | 1987-12-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01105262U (en) |
-
1987
- 1987-12-30 JP JP20016787U patent/JPH01105262U/ja active Pending
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