JPH01103992U - - Google Patents
Info
- Publication number
- JPH01103992U JPH01103992U JP20048087U JP20048087U JPH01103992U JP H01103992 U JPH01103992 U JP H01103992U JP 20048087 U JP20048087 U JP 20048087U JP 20048087 U JP20048087 U JP 20048087U JP H01103992 U JPH01103992 U JP H01103992U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- electron beam
- cathode blanking
- synchronization signal
- 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
- 238000010894 electron beam technology Methods 0.000 claims description 7
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 11
- 238000003384 imaging method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
Landscapes
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Description
第１図は本考案による電子ビームの垂直方向実
効分布測定装置の構成を示すブロツク図、第２図
はカソードブランキング信号波形図、第３図はビ
ームの重なりを示す図、第４図はタイミングチヤ
ート、第５図は電子ビーム分布計算例を示す図、
第６図は撮像管の原理説明図、第７図は従来のビ
ーム分布測定法説明図、第８図は電子ビーム分布
図、第９図は電子ビームの重なりを示す図、第１
０図は理想的な走査線と電荷分布の関係を示す図
、第１１図は実際の走査線と電荷分布の関係を示
す図である。
５……カソード、７……ライテイングボツクス
、１０……オシロスコープ、１１……ＴＶ同期信
号発生回路、１２……電子ビーム制御回路、１３
……測定動作スイツチ、１４……カソードブラン
キング回路、１５……撮像管、１６……前置増幅
器、１７……映像処理回路、１８……メモリ、１
９……ノーマルカソードブランキング信号、２０
……カソードブランキング信号。
Fig. 1 is a block diagram showing the configuration of the vertical effective distribution measuring device of an electron beam according to the present invention, Fig. 2 is a cathode blanking signal waveform diagram, Fig. 3 is a diagram showing beam overlap, and Fig. 4 is a timing diagram. Chart, Figure 5 is a diagram showing an example of electron beam distribution calculation,
Figure 6 is a diagram explaining the principle of the image pickup tube, Figure 7 is a diagram explaining the conventional beam distribution measurement method, Figure 8 is an electron beam distribution diagram, Figure 9 is a diagram showing the overlap of electron beams, Figure 1
0 is a diagram showing the relationship between ideal scanning lines and charge distribution, and FIG. 11 is a diagram showing the relationship between actual scanning lines and charge distribution. 5... Cathode, 7... Writing box, 10... Oscilloscope, 11... TV synchronization signal generation circuit, 12... Electron beam control circuit, 13
...Measurement operation switch, 14...Cathode blanking circuit, 15...Imaging tube, 16...Preamplifier, 17...Video processing circuit, 18...Memory, 1
9...Normal cathode blanking signal, 20
...Cathode blanking signal.
Claims (1)
伴つて、所定タイミングパターンのカソードブラ
ンキング信号とメモリ書込み信号を発生する電子
ビーム制御回路、 (c) 上記カソードブランキング信号の入力に基
づいて、垂直および水平帰線期間に電子ビームを
遮断するカソードブランキング回路、 (d) 上記ＴＶ同期信号発生回路の同期信号等に
より、ターゲツトからの信号を処理する映像処理
回路、および (e) 映像処理回路出力信号を上記メモリ書込み
信号に伴つて記憶するメモリ を含むことを特徴とする電子ビームの垂直方向
実効分布測定装置。[Claims for Utility Model Registration] (a) A TV synchronization signal generation circuit; (b) An electronic device having a control switch and generating a cathode blanking signal and a memory write signal in a predetermined timing pattern when the switch is operated. a beam control circuit; (c) a cathode blanking circuit that interrupts the electron beam during the vertical and horizontal retrace periods based on the input of the cathode blanking signal; (d) a synchronization signal of the TV synchronization signal generation circuit, etc.; 1. An electron beam vertical effective distribution measuring device comprising: a video processing circuit that processes a signal from a target; and (e) a memory that stores the video processing circuit output signal together with the memory write signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20048087U JPH01103992U (en) | 1987-12-28 | 1987-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20048087U JPH01103992U (en) | 1987-12-28 | 1987-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01103992U true JPH01103992U (en) | 1989-07-13 |
Family
ID=31490885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20048087U Pending JPH01103992U (en) | 1987-12-28 | 1987-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01103992U (en) |
-
1987
- 1987-12-28 JP JP20048087U patent/JPH01103992U/ja active Pending
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