JPH0427675U - - Google Patents
Info
- Publication number
- JPH0427675U JPH0427675U JP6876490U JP6876490U JPH0427675U JP H0427675 U JPH0427675 U JP H0427675U JP 6876490 U JP6876490 U JP 6876490U JP 6876490 U JP6876490 U JP 6876490U JP H0427675 U JPH0427675 U JP H0427675U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- receives
- control section
- outputs
- section
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 10
Landscapes
- Details Of Television Scanning (AREA)
Description
第１図は本考案の高圧発生回路路の一実施例の
構成を示すブロツク図、第２図は第１図の実施例
に使用される電圧発生部の具体例を示した結線図
、第３図は第１図に示した実施例の作用を説明す
るためのタイミング図、第４図は本考案の高圧発
生回路の他の実施例の構成を示すブロツク図、第
５図はその作用を説明するためのタイミング図、
第６図は従来のものの一例を示したブロツク図、
第７図は高圧発生部におけるトランスの１次コイ
ルに発生する電圧波形図、第８図および第９図は
従来のものの高圧発生回路の電圧波形図、第１０
図は第６図に示した従来のものの作用を説明する
ためのタイミング図である。
１……Ｆ／Ｖ変換部、２……Ｖ／Ｆ変換部、３
……高圧発生部、４……トランス、５……可変電
圧源、６……電源、７……制御部、８……電圧発
生部、９……放電回路。
FIG. 1 is a block diagram showing the configuration of one embodiment of the high voltage generating circuit of the present invention, FIG. 2 is a wiring diagram showing a specific example of the voltage generating section used in the embodiment of FIG. 1, and FIG. The figure is a timing diagram for explaining the action of the embodiment shown in Fig. 1, Fig. 4 is a block diagram showing the configuration of another embodiment of the high voltage generation circuit of the present invention, and Fig. 5 is for explaining the action. Timing diagram for,
Figure 6 is a block diagram showing an example of the conventional one.
Figure 7 is a voltage waveform diagram generated in the primary coil of the transformer in the high voltage generation section, Figures 8 and 9 are voltage waveform diagrams of the conventional high voltage generation circuit, and Figure 10 is a voltage waveform diagram of the conventional high voltage generation circuit.
This figure is a timing diagram for explaining the operation of the conventional device shown in FIG. 6. 1...F/V conversion section, 2...V/F conversion section, 3
...High voltage generation section, 4...Transformer, 5...Variable voltage source, 6...Power source, 7...Control section, 8...Voltage generation section, 9...Discharge circuit.
Claims (1)
てその繰り返し周期に対応する第１の電圧を出力
する周波数−電圧変換部と、 前記周波数−電圧変換部からの第１の電圧を受
けて第２の電圧を出力する制御部と、 前記制御部からの第２の電圧を受けて前記第２
の電圧に対応する繰り返し周期の第２のパルスを
出力する電圧−周波数変換部と、 前記電圧−周波数変換部からの第２のパルスを
１次コイルに受けて、２次コイルより高電圧を得
る高圧発生部と、 動作電源の立ち上がり時および立ち下がり時に
、前記制御部に対して制御電圧を印加し、前記電
圧−周波数変換部により出力される第２パルスの
繰り返し周期を一時的に上昇させるための電圧発
生部 とを具備してなる高圧発生回路。 (2) 所定の繰り返しパルスを１次コイルに受け
て２次コイルより高電圧を得る高圧発生部と、 動作電源の立ち下がりを検知し、動作電源の立
ち下がり時に前記１次コイルに印加される電圧を
基準電位点に対して放電させる放電回路 とを具備してなる高圧発生回路。[Claims for Utility Model Registration] (1) A frequency-voltage conversion unit that receives a first pulse of a predetermined repetition period and outputs a first voltage corresponding to the repetition period; and from the frequency-voltage conversion unit. a control section that receives a first voltage from the control section and outputs a second voltage; and a control section that receives a second voltage from the control section and outputs a second voltage.
a voltage-frequency converter that outputs a second pulse with a repetition period corresponding to the voltage; and a primary coil receives the second pulse from the voltage-frequency converter to obtain a higher voltage from the secondary coil. a high-voltage generating section; and a control voltage applied to the control section at the rise and fall of the operating power supply to temporarily increase the repetition period of the second pulse output by the voltage-frequency conversion section; A high voltage generation circuit comprising a voltage generation section. (2) A high voltage generator that receives predetermined repeated pulses to the primary coil and obtains a high voltage from the secondary coil; and a high voltage generator that detects the fall of the operating power source and applies the voltage to the primary coil when the operating power source falls. A high voltage generation circuit comprising a discharge circuit that discharges voltage to a reference potential point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6876490U JPH0427675U (en) | 1990-06-28 | 1990-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6876490U JPH0427675U (en) | 1990-06-28 | 1990-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0427675U true JPH0427675U (en) | 1992-03-05 |
Family
ID=31603480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6876490U Pending JPH0427675U (en) | 1990-06-28 | 1990-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0427675U (en) |
-
1990
- 1990-06-28 JP JP6876490U patent/JPH0427675U/ja active Pending
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