JPH0356274U - - Google Patents
Info
- Publication number
- JPH0356274U JPH0356274U JP11682189U JP11682189U JPH0356274U JP H0356274 U JPH0356274 U JP H0356274U JP 11682189 U JP11682189 U JP 11682189U JP 11682189 U JP11682189 U JP 11682189U JP H0356274 U JPH0356274 U JP H0356274U
- Authority
- JP
- Japan
- Prior art keywords
- grid electrode
- increase
- power supply
- potential
- voltage
- 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
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Description
第１図はこの考案の一実施例による映像カツト
オフレベル安定化装置を示す回路図、第２図は従
来のＣＲＴテレビジヨン受像装置のＣＲＴまわり
の一装置図である。
図において、１……ヒーター、２……カソード
電極、３……Ｇ１電極、４……Ｇ２電極、５……
内面ダツク、６……アノード電極、７……スクリ
ーンＶＲ．８……電位降下検出装置、９……Ｇ２
電源電圧制御装置である。なお、図中、同一符号
は同一、又は相当部分を示す。
FIG. 1 is a circuit diagram showing a video cut-off level stabilizing device according to an embodiment of the present invention, and FIG. 2 is a diagram showing a device around a CRT of a conventional CRT television receiver. In the figure, 1... heater, 2... cathode electrode, 3... G 1 electrode, 4... G 2 electrode, 5...
Inner surface duct, 6...Anode electrode, 7...Screen VR. 8... Potential drop detection device, 9... G 2
It is a power supply voltage control device. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
流の増大によるグリツド第２電極の電位の上昇分
をグリツド第２電極用電源にフイードバツクをか
けることにより、グリツド第２電極の電圧を一定
に保つことを特徴とする映像カツトオフレベル安
定化装置。 The voltage of the second grid electrode is kept constant by applying feedback to the power supply for the second grid electrode by the increase in the potential of the second grid electrode due to an increase in the current flowing into the second grid electrode from inside the CRT tube. Video cut-off level stabilization device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11682189U JPH0356274U (en) | 1989-10-03 | 1989-10-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11682189U JPH0356274U (en) | 1989-10-03 | 1989-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0356274U true JPH0356274U (en) | 1991-05-30 |
Family
ID=31665084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11682189U Pending JPH0356274U (en) | 1989-10-03 | 1989-10-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0356274U (en) |
-
1989
- 1989-10-03 JP JP11682189U patent/JPH0356274U/ja active Pending