JPS63139484A - Device for displaying pulse height distribution in video screen - Google Patents
Device for displaying pulse height distribution in video screenInfo
- Publication number
- JPS63139484A JPS63139484A JP28751886A JP28751886A JPS63139484A JP S63139484 A JPS63139484 A JP S63139484A JP 28751886 A JP28751886 A JP 28751886A JP 28751886 A JP28751886 A JP 28751886A JP S63139484 A JPS63139484 A JP S63139484A
- Authority
- JP
- Japan
- Prior art keywords
- height distribution
- pulse height
- signal
- channel
- displaying
- 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.)
- Granted
Links
- 230000005855 radiation Effects 0.000 abstract description 15
- 238000001228 spectrum Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000005856 abnormality Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 101000648495 Homo sapiens Transportin-2 Proteins 0.000 description 1
- 102100028747 Transportin-2 Human genes 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Measurement Of Radiation (AREA)
- Studio Circuits (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は映像画面に波高分布を表示する装置に関し、更
に詳細には各チマンネルの信号の大きさに応じて対応す
る走査位置の水平スイープ波形を一時中断して、映像画
面中に放射線等のスペクトルの内容を形成する波高分布
を映像画面に表示する装置に関する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a device for displaying a wave height distribution on a video screen, and more particularly, it relates to a device that displays a wave height distribution on a video screen, and more particularly, it relates to a horizontal sweep waveform at a corresponding scanning position according to the signal magnitude of each channel. The present invention relates to a device that displays on a video screen the wave height distribution that forms the spectral content of radiation or the like on the video screen by temporarily suspending the process.
ある場所とその場所における放射線量等のデータとの対
応関係を、正確にかつ極めて容易に把握することのでき
る方法が特開昭６０−１２１８８３号に提案されている
。この方法は各種検出器によって得られた入力情報信号
の大きさに比例する時間だけ映像信号の水平スィーブ波
形を中断させ、前記の人力情報信号を水平方向に棒状グ
ラフの形で表示することを特徴とする。Japanese Patent Laid-Open No. 121883/1983 proposes a method that can accurately and extremely easily determine the correspondence between a certain place and data such as radiation doses at that place. This method is characterized by interrupting the horizontal sweep waveform of the video signal for a time proportional to the magnitude of the input information signal obtained by various detectors, and displaying the human input information signal in the form of a bar graph in the horizontal direction. shall be.
上記特開昭記載の発明においては、放射線量等を表す数
個の棒状グラフが画面の上端あるいは下端に表示される
ものであった。In the invention described in JP-A-Sho, several bar graphs representing radiation doses and the like are displayed at the top or bottom of the screen.
環境放射線の異常を検知するためには、何れの核種かろ
の放射線が増大したかを知る必要があるが、上記特開昭
に記載される発明によってはこの様な細かな情報までは
得ろれなかった。In order to detect abnormalities in environmental radiation, it is necessary to know which nuclide's radiation has increased, but it is not possible to obtain such detailed information depending on the invention described in the above-mentioned Japanese Patent Application Publication No. Ta.
上記問題点は、
各チャンネル毎に信号入力回数を計数する手段、および
前記計数する手段に保持されている各チャンネル毎の計
数値に応じて、対応する走査位置の水平スィーブ波形を
一時中断する手段を備えて構成される映像画面に波高分
布を表示する装置によって解決される。The above problem is solved by means for counting the number of signal inputs for each channel, and means for temporarily interrupting the horizontal sweep waveform at the corresponding scanning position according to the count value for each channel held in the counting means. The problem is solved by a device that displays the wave height distribution on a video screen.
なお、水平スィーブ波形とはテレビカメラ等から出力さ
れる映像信号のうち実際の画像の濃度レベルを表す部分
の波形を言うものとする。Note that the horizontal sweep waveform refers to the waveform of a portion of a video signal output from a television camera or the like that represents the density level of an actual image.
ランダムに発生する各チャンネルを表す信号は、各チャ
ンネル毎に計数される。各チャンネル毎の計数値に応じ
て、対応する走査位置の水平スィーブ波形が一時中断さ
れて、映像画面中に放射線等のスペクトル分布が形成さ
れる。The randomly generated signals representing each channel are counted for each channel. According to the count value for each channel, the horizontal sweep waveform at the corresponding scanning position is temporarily interrupted, and a spectral distribution of radiation, etc. is formed on the video screen.
本発明によると、放射線のスペクトル分布が表示できる
ので、各チャンネル毎の相対的な信号強度を容易に知る
ことが可能となる。従って、環境放射線の異常を一目で
判断することができる。According to the present invention, since the spectral distribution of radiation can be displayed, it is possible to easily know the relative signal strength of each channel. Therefore, abnormalities in environmental radiation can be determined at a glance.
また、映（象画面と放射線スペクトル等の波高分布とが
同時に同一画面上に表示されるので、どの場所において
環境放射線の異常が発生したかを極めて明瞭かつ容易に
知ることができる。Furthermore, since the image plane and the wave height distribution of the radiation spectrum etc. are displayed simultaneously on the same screen, it is possible to know very clearly and easily where an abnormality in environmental radiation has occurred.
さらに、映像信号を中断することにより、波高分布表示
を行うようにしたので、実時間で波高分布を表示するこ
とができる。Furthermore, since the wave height distribution is displayed by interrupting the video signal, the wave height distribution can be displayed in real time.
以下、本発明を実施例に基づいて詳細に説明する。第１
図は本発明の波高分布を表示する装置の使用状態を示す
概略図である。Hereinafter, the present invention will be explained in detail based on examples. 1st
The figure is a schematic diagram showing how the device for displaying wave height distribution of the present invention is used.
テレビカメラ１により得られた映像信号ＶＤＳ。A video signal VDS obtained by the television camera 1.
および放射線スペクトルアナライザー２からのチャンネ
ル番号を表すシリアル形式の信号ＩＮＦが本発明の波高
分布を表示する装置４に人力される。A signal INF in a serial format representing a channel number from the radiation spectrum analyzer 2 is input manually to the device 4 for displaying wave height distribution of the present invention.
映１象画面に波高分布を表示する装置４からは各チャン
ネル毎の計数値に応じて対応する走査位置におけるスィ
ーブ信号が中断され、波高分布スペクトルが重畳された
映像信号ＶＤＳ ’が出力される。The device 4 for displaying the wave height distribution on the image screen interrupts the sweep signal at the corresponding scanning position according to the count value for each channel, and outputs the video signal VDS' on which the wave height distribution spectrum is superimposed.
この映像信号ＶＤＳ ’はモニターテレビ６に直接映し
出されるか、あるいは一旦ＶＴＲ５に記録された後モニ
ターテレビに映し出され、テレビカメラ１により撮影さ
れた映像と、放射線の各チャンネル毎の波高分布との対
応をモニター６上において取ることができる。This video signal VDS' is displayed directly on the monitor television 6, or once recorded on the VTR 5 and then displayed on the monitor television, and the correspondence between the image photographed by the television camera 1 and the wave height distribution of each channel of radiation is shown. can be taken on the monitor 6.
第２図は、第１図に示された波高分布を表示する装置の
一実施例のブロック図であり、第４図は第２図を説明す
る波形図である。テレビカメラにより得られた映像信号
ＶＤＳはバッファ４０１を通り、アナログスイッチ４０
２を経由してアンプドライバー４０３を通過し、ＶＴＲ
５ＴＶモニタ等へ供給される。バッファ４０１からの映
像信号ＶＤＳは同期信号分離器４０４にも人力され、水
平同期信号ＨＳ Ｙ Ｎと垂直同期信号ＶＳＹＮとが分
離出力される。垂直同期信号ＶＳＹＮは垂直位置決めの
だめのディレィ回路４０５を通り、垂直位置決め信号ｖ
ｐｏｓとされる。この垂直位置決め信号ＶＰＯ３は読出
しカウンタ４０６をリセットする。一方、水平同期信号
Ｈ３ＹＮは水平位置決めディレィ回路４０７を通り、水
平位置決め信号ＨＰＯ３とされる。この水平位置決め信
号ＨＰＯ３は、傾斜電圧発生器４０８に人力して傾斜電
圧信号ＲＡＭＰをスタートさせると同時に、フリップフ
ロップ４１４をセットしてアナログスイッチ４０２を映
像信号ＶＤＳ側からレベル調整器４１５によるＤＣ信号
側に切り替え、更に、カウンタ４０６に人力してその計
数値を増大する。FIG. 2 is a block diagram of an embodiment of the apparatus for displaying the wave height distribution shown in FIG. 1, and FIG. 4 is a waveform diagram illustrating FIG. 2. The video signal VDS obtained by the television camera passes through the buffer 401 and is sent to the analog switch 40.
2, the amplifier driver 403, and the VTR.
5 will be supplied to a TV monitor, etc. The video signal VDS from the buffer 401 is also input to a synchronization signal separator 404, which separates and outputs a horizontal synchronization signal HS Y N and a vertical synchronization signal VSYN. The vertical synchronization signal VSYN passes through a delay circuit 405 for vertical positioning, and is output as a vertical positioning signal v.
It is considered as pos. This vertical positioning signal VPO3 resets the read counter 406. On the other hand, the horizontal synchronizing signal H3YN passes through the horizontal positioning delay circuit 407 and is made into the horizontal positioning signal HPO3. This horizontal positioning signal HPO3 is input manually to the ramp voltage generator 408 to start the ramp voltage signal RAMP, and at the same time sets the flip-flop 414 to switch the analog switch 402 from the video signal VDS side to the DC signal side by the level adjuster 415. , and further manually increases the count value of the counter 406.
シリアル形式のチャンネル番号を表す信号ＩＮＦはシリ
アルパラレル変換器４０９により、パラレル形式の信号
に変換され、計測手段４１０に人力される。計測手段４
１０内部においては、第３図に示されるように、チャン
ネル番号を表す信号がアドレスバッファメモリ４１に一
旦保持される。A signal INF representing a channel number in a serial format is converted into a signal in a parallel format by a serial-parallel converter 409 and inputted to a measuring means 410 . Measuring means 4
Inside 10, as shown in FIG. 3, a signal representing a channel number is temporarily held in an address buffer memory 41.
水平位置決め信号）ＩＰＯ３が傾斜電圧発生器４０８に
入力して傾斜電圧が発生される際には、アナログスイッ
チ４０２はレベル調整側に切り替わっているので、続出
バッファ４３より前は映像信号ＶＤＳとは関係なくなる
。従って、この期間にシリアルパラレル変換してアドレ
スバッファメモリ４１に貯えられていたアドレスデータ
により、アドレス指定されたメモリ４１のデータが読み
出され、ＡＤＤ ＯＮＥカウンタ４４において１加算
された後置−アドレスに書き込む計測操作が行われる。When the horizontal positioning signal (IPO3) is input to the slope voltage generator 408 to generate a slope voltage, the analog switch 402 is switched to the level adjustment side, so the signal before the continuous output buffer 43 has no relation to the video signal VDS. It disappears. Therefore, during this period, the addressed data in the memory 41 is read out using the address data that has been serial-parallel converted and stored in the address buffer memory 41, and is added to the post-address by 1 in the ADD ONE counter 44. A writing measurement operation is performed.
水平帰線中において、メモリ４２にＲεＡＯ信号が人力
され、その際、読出しアドレスカウンタ４０６によって
指示されるアドレスのデータが読み出される。読み出さ
れたデータは一旦読出バッファ４３にセットされた後Ｄ
／Ａ変換器４１１へ出力され、そこでアナログ信号に変
換され、さらにＬＯＧ変換器４１２により対数変換され
、計数値に比例したＤＣ電圧が発生される。この電圧値
と傾斜電圧信号ＲＡＭＰとはコンパレータ４１３で比較
され、傾斜電圧の方が大きくなった時フリップフロップ
４１４をストップし、アナログスイッチ４０２が映像信
号側に戻される。During horizontal blanking, the RεAO signal is input to the memory 42, and at this time, data at the address indicated by the read address counter 406 is read. The read data is once set in the read buffer 43 and then
The signal is outputted to the /A converter 411, where it is converted into an analog signal, and further logarithmically converted by the LOG converter 412 to generate a DC voltage proportional to the count value. This voltage value and the ramp voltage signal RAMP are compared by a comparator 413, and when the ramp voltage becomes larger, the flip-flop 414 is stopped and the analog switch 402 is returned to the video signal side.
１フレーム当たり通常５２５回走査が行われるので、走
査線よりチャンネルが多い場合、例えばチャンネル数が
１０２４の場合、読出バッファにおいて４チヤンネル毎
に計数値が加算され、２５６本の走査線で波高分布が表
示される。Normally, scanning is performed 525 times per frame, so when there are more channels than scanning lines, for example, when the number of channels is 1024, the count value is added every 4 channels in the read buffer, and the pulse height distribution is calculated by 256 scanning lines. Is displayed.
第５図は上述された本発明の映像画面に波高分布を表示
する装置によって得られる表示画面であり、映像画面６
中に放射線スペクトルの様な波高分布６Ｉが表示される
。FIG. 5 is a display screen obtained by the device for displaying the wave height distribution on the video screen of the present invention described above, and the video screen 6
A wave height distribution 6I like a radiation spectrum is displayed inside.
第１図は本発明の使用状態を示す概略図、第２図は本発
明の映像画面に波高分布を表示する装置のブロック図、
第３図は本発明に右いて使用される計測手段の一例のブ
ロック図、および
第４図は第２図を説明する波形図、
第５図は本発明によって表示される画面の一例を示す図
。
１・・・・・・テレビカメラ、２・・・・・・スペクト
ルアナライザー、３・・・・・・メモリクリア手段、４
・・・・・・映像画面に波高分布を表示する装置、５・
・・・・・ＶＴＲ，６・・・・・・モニターテレビ、４
０１・・・・・・バッファ、４０２・・・・・・アナロ
グスイッチ、４０３・・・・・・アンプドライバー、４
０４・・・・・・同期信号分離器、
４０５．４０７・・・・・・ディレィ、４０６・・・・
・・カウンタ、４０８・・・・・・傾斜電圧発生器、４
０９・・・・・・シリアルパラレル変換器、４１０・・
・・・・計測手段、４１１・・・・・・Ｄ／Ａ変換器、
４１２・・・・・・ＬＯＧ圧ＩＨ５，４１３・・・・・
・コンパレータ、４１４・・・・・・フリツプフロップ
、４１５・・・・・・レベル調整側、４１・・・・・・
アドレスバッファメモリ、４２・・・・・・メモリ、４
３・・・・・・続出バッファ、４４・・・・・・ＡＤＤ
ＯＮＥカウンタ、６１・・・・・・波高分布
図面の注口〔内容に変更なし）
第１図
第５図
手続補正書く方式）
％式％
３、補正をする者
事件との関係 出願人
名称 （６７９）理化学研究所
４、代理人
５、補正命令の日付 昭和６２年２月２４日願書に
最初に添付した図面の浄書・別紙のとおり（内容に変更
なし）FIG. 1 is a schematic diagram showing how the present invention is used, FIG. 2 is a block diagram of an apparatus for displaying wave height distribution on a video screen according to the present invention, and FIG. 3 is an example of a measuring means used in the present invention. FIG. 4 is a waveform diagram explaining FIG. 2, and FIG. 5 is a diagram showing an example of a screen displayed by the present invention. 1...Television camera, 2...Spectrum analyzer, 3...Memory clearing means, 4
・・・・・・Device for displaying wave height distribution on a video screen, 5.
...VTR, 6...Monitor TV, 4
01...Buffer, 402...Analog switch, 403...Amplifier driver, 4
04...Sync signal separator, 405.407...Delay, 406...
...Counter, 408...Gradient voltage generator, 4
09... Serial parallel converter, 410...
...Measuring means, 411...D/A converter,
412...LOG pressure IH5, 413...
・Comparator, 414...Flip-flop, 415...Level adjustment side, 41...
Address buffer memory, 42...Memory, 4
3...Continuous buffer, 44...ADD
ONE counter, 61...... Outlet of the wave height distribution drawing [no change in content] Figure 1 Figure 5 Procedure amendment writing method) % formula % 3. Person making the amendment Relationship with the case Applicant name ( 679) RIKEN 4, Agent 5, Date of amendment order: February 24, 1985 As shown in the engraving and attached sheet of the drawings originally attached to the application (no change in content)
Claims (1)
数値に応じて、対応する走査位置の水平スイープ波形を
一時中断する手段を備えて構成される映像画面に波高分
布を表示する装置。[Claims] Means for counting the number of signal inputs for each channel, and temporarily suspending a horizontal sweep waveform at a corresponding scanning position according to the count value for each channel held in the counting means. A device that displays wave height distribution on a video screen that is equipped with means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61287518A JPH0683454B2 (en) | 1986-12-02 | 1986-12-02 | A device that displays the pulse height distribution spectrum of radiation on the image screen of the observation target |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61287518A JPH0683454B2 (en) | 1986-12-02 | 1986-12-02 | A device that displays the pulse height distribution spectrum of radiation on the image screen of the observation target |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63139484A true JPS63139484A (en) | 1988-06-11 |
| JPH0683454B2 JPH0683454B2 (en) | 1994-10-19 |
Family
ID=17718379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61287518A Expired - Fee Related JPH0683454B2 (en) | 1986-12-02 | 1986-12-02 | A device that displays the pulse height distribution spectrum of radiation on the image screen of the observation target |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0683454B2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5690081U (en) * | 1979-12-12 | 1981-07-18 | ||
| JPS56133534A (en) * | 1980-03-24 | 1981-10-19 | Babcock Hitachi Kk | Remote monitoring device for burning equipment |
| JPS5714773A (en) * | 1980-07-02 | 1982-01-26 | Hitachi Medical Corp | Crest distribution display unit |
-
1986
- 1986-12-02 JP JP61287518A patent/JPH0683454B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5690081U (en) * | 1979-12-12 | 1981-07-18 | ||
| JPS56133534A (en) * | 1980-03-24 | 1981-10-19 | Babcock Hitachi Kk | Remote monitoring device for burning equipment |
| JPS5714773A (en) * | 1980-07-02 | 1982-01-26 | Hitachi Medical Corp | Crest distribution display unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0683454B2 (en) | 1994-10-19 |
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