JPS6383870U - - Google Patents
Info
- Publication number
- JPS6383870U JPS6383870U JP17865286U JP17865286U JPS6383870U JP S6383870 U JPS6383870 U JP S6383870U JP 17865286 U JP17865286 U JP 17865286U JP 17865286 U JP17865286 U JP 17865286U JP S6383870 U JPS6383870 U JP S6383870U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- parabolic
- crt
- focus
- auxiliary circuit
- 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
- 241000226585 Antennaria plantaginifolia Species 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Details Of Television Scanning (AREA)
Description
第1図〜第3図は本考案のCRTの補助回路の
一実施例を示す図であり、第1図はそのCRTの
水平偏向回路、垂直偏向回路およびその補助回路
のブロツク図、第2図はそのCRTの補助回路の
回路図、第3図はそのCRTの補助回路の各部の
波形図である。
1……垂直偏向回路、2……垂直出力回路、3
……垂直偏向コイル、4……パラボラ電圧生成回
路、5……ホーカス電圧生成回路、6……ホーカ
ス回路、7……電圧降下回路、8……補助電圧生
成回路、9……水平出力回路、10……電圧調整
回路、11……水平偏向回路、12……水平偏向
コイル、13……ホーカス電圧生成回路、14…
…ホーカス電極、15……比較信号発生回路。
1 to 3 are diagrams showing an embodiment of the auxiliary circuit of a CRT according to the present invention. FIG. 1 is a block diagram of the horizontal deflection circuit, vertical deflection circuit and its auxiliary circuit of the CRT, and FIG. is a circuit diagram of the auxiliary circuit of the CRT, and FIG. 3 is a waveform diagram of each part of the auxiliary circuit of the CRT. 1... Vertical deflection circuit, 2... Vertical output circuit, 3
... Vertical deflection coil, 4 ... Parabolic voltage generation circuit, 5 ... Focus voltage generation circuit, 6 ... Focus circuit, 7 ... Voltage drop circuit, 8 ... Auxiliary voltage generation circuit, 9 ... Horizontal output circuit, 10... Voltage adjustment circuit, 11... Horizontal deflection circuit, 12... Horizontal deflection coil, 13... Focus voltage generation circuit, 14...
... Focus electrode, 15... Comparison signal generation circuit.
Claims (1)
流に基づいてホーカス電圧および糸巻歪補正用電
圧を生成するCRTの補助回路において、前記の
こぎり波電流をパラボラ状電圧に変換するパラボ
ラ電圧生成手段と、該パラボラ状電圧を増幅して
ホーカス電圧を生成するホーカス電圧生成手段と
、該パラボラ状電圧を所定割合のパラボラ状電圧
の電圧調整する電圧調整手段と、電圧調整手段の
出力電圧に所定値の直流電圧を重畳して糸巻歪補
正用電圧を生成する補正電圧生成手段と、を備え
たことを特徴とするCRTの補助回路。 (2) 前記電圧調整手段が、前記ホーカス電圧生
成手段と、該ホーカス電圧を所定割合のパラボラ
状電圧に降下させる電圧降下手段と、により構成
されたことを特徴とする実用新案登録請求の範囲
第1項記載のCRTの補助回路。[Claims for Utility Model Registration] (1) In a CRT auxiliary circuit that generates a focus voltage and a pincushion distortion correction voltage based on a sawtooth wave current supplied to a vertical deflection coil, the sawtooth wave current is converted to a parabolic voltage. A parabolic voltage generating means for converting, a focussing voltage generating means for amplifying the parabolic voltage to generate a focus voltage, a voltage adjusting means for adjusting the parabolic voltage to a predetermined ratio of the parabolic voltage, and a voltage adjusting means An auxiliary circuit for a CRT, comprising: correction voltage generation means for generating a pincushion distortion correction voltage by superimposing a DC voltage of a predetermined value on the output voltage of the CRT. (2) The utility model registration claim 1 is characterized in that the voltage adjustment means is constituted by the focus voltage generation means and a voltage drop means for lowering the focus voltage to a parabolic voltage of a predetermined ratio. An auxiliary circuit for the CRT described in item 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17865286U JPS6383870U (en) | 1986-11-19 | 1986-11-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17865286U JPS6383870U (en) | 1986-11-19 | 1986-11-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6383870U true JPS6383870U (en) | 1988-06-01 |
Family
ID=31120985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17865286U Pending JPS6383870U (en) | 1986-11-19 | 1986-11-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6383870U (en) |
-
1986
- 1986-11-19 JP JP17865286U patent/JPS6383870U/ja active Pending
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