JPS6188375U - - Google Patents
Info
- Publication number
- JPS6188375U JPS6188375U JP1984173530U JP17353084U JPS6188375U JP S6188375 U JPS6188375 U JP S6188375U JP 1984173530 U JP1984173530 U JP 1984173530U JP 17353084 U JP17353084 U JP 17353084U JP S6188375 U JPS6188375 U JP S6188375U
- Authority
- JP
- Japan
- Prior art keywords
- image pickup
- pickup tube
- voltage
- dynamic
- dynamic 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
Links
- 230000008929 regeneration Effects 0.000 claims description 3
- 238000011069 regeneration method Methods 0.000 claims description 3
- 238000010894 electron beam technology Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
Landscapes
- Details Of Television Scanning (AREA)
Description
第１図は本考案の撮像管のダイナミツクフオー
カス回路の一実施例のブロツク図、第２図及び第
３図ならびに第５図は説明用波形図、第４図は撮
像管のダイナミツクスフオーカス回路の従来例の
ブロツク図である。
１…撮像管、２…前置増幅器、３…高圧発生回
路、４…直流フオーカス電圧調整用可変抵抗器、
６…ダイナミツクフオーカス補正信号電圧発生回
路、７…ダイナミツクフオーカス補正信号電圧の
調整用可変抵抗器、Ｃｃ…直流分再生用コンデン
サ、Ｄ…直流分再生用ダイオード、Ｒ…放電抵抗
、Ｃｒ…整流コンデンサ。
FIG. 1 is a block diagram of an embodiment of the dynamic focus circuit of the image pickup tube of the present invention, FIGS. 2, 3, and 5 are explanatory waveform diagrams, and FIG. 4 is the dynamic focus circuit of the image pickup tube. 1 is a block diagram of a conventional example of a cass circuit. 1... Image pickup tube, 2... Preamplifier, 3... High voltage generation circuit, 4... Variable resistor for DC focus voltage adjustment,
6... Dynamic focus correction signal voltage generation circuit, 7... Variable resistor for adjusting the dynamic focus correction signal voltage, Cc... Capacitor for direct current component regeneration, D... Diode for direct current component regeneration, R... Discharge resistor, Cr ...rectifier capacitor.
Claims (1)
信号電圧を撮像管のフノーカス電極に加えて撮像
管のダイナミツクフオーカスを行なうようにした
撮像管のダイナミツクフオーカス回路において、
ダイナミツクフオーカス補正信号電圧における撮
像管の走査電子ビームの走査領域の中心部分と対
応している部分の電圧を撮像管のフオーカス電極
に供給されるべき直流電圧に固定させうるような
直流分再生回路を介して、ダイナミツクフオーカ
ス補正信号電圧を撮像管のフオーカス電極に与え
るようにした撮像管のダイナミツクフオーカス回
路。 In a dynamic focus circuit for an image pickup tube that performs dynamic focusing of the image pickup tube by applying a dynamic focus correction signal voltage to the focus electrode of the image pickup tube together with a DC voltage,
DC component regeneration that can fix the voltage at a portion of the dynamic focus correction signal voltage corresponding to the central portion of the scanning region of the scanning electron beam of the image pickup tube to the DC voltage to be supplied to the focus electrode of the image pickup tube. A dynamic focus circuit for an image pickup tube in which a dynamic focus correction signal voltage is applied to a focus electrode of the image pickup tube through the circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984173530U JPS6188375U (en) | 1984-11-15 | 1984-11-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984173530U JPS6188375U (en) | 1984-11-15 | 1984-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6188375U true JPS6188375U (en) | 1986-06-09 |
Family
ID=30731184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984173530U Pending JPS6188375U (en) | 1984-11-15 | 1984-11-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6188375U (en) |
-
1984
- 1984-11-15 JP JP1984173530U patent/JPS6188375U/ja active Pending
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