JPS6162471U - - Google Patents
Info
- Publication number
- JPS6162471U JPS6162471U JP14621584U JP14621584U JPS6162471U JP S6162471 U JPS6162471 U JP S6162471U JP 14621584 U JP14621584 U JP 14621584U JP 14621584 U JP14621584 U JP 14621584U JP S6162471 U JPS6162471 U JP S6162471U
- Authority
- JP
- Japan
- Prior art keywords
- video signal
- beam current
- image pickup
- pickup tube
- output level
- 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 2
- 230000035945 sensitivity Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Description
第１図はこの考案に係るテレビジヨンカメラ装
置の一実施例を示すブロツク回路構成図、第２図
及び第３図はそれぞれ同実施例の動作を説明する
ための出力波形図、第４図は同実施例に適用され
るテレビジヨンカメラ装置の構成を示すグロツク
構成図である。
１１…プロジエクタ内蔵レンズ、１２…色分解
光学系、１３〜１５…撮像管、１６〜１８…増幅
器、２０…ビーム電流調整器、２１…カソードブ
ランキング発生回路、２２…分周回路、２３…ア
ンド回路、PBBL…ビームブランキングパルス入力
、ＶＤ…垂直ドライブパルス入力、Ｓ１…セツト
入力。
FIG. 1 is a block circuit diagram showing an embodiment of the television camera device according to this invention, FIGS. 2 and 3 are output waveform diagrams for explaining the operation of the same embodiment, and FIG. FIG. 2 is a block diagram showing the configuration of a television camera device applied to the same embodiment. DESCRIPTION OF SYMBOLS 11... Lens with built-in projector, 12... Color separation optical system, 13-15... Image pickup tube, 16-18... Amplifier, 20... Beam current regulator, 21... Cathode blanking generation circuit, 22... Frequency dividing circuit, 23... AND Circuit, PBBL...Beam blanking pulse input, VD...Vertical drive pulse input, S1 ...Set input.
Claims (1)
ームを周期的に断続するブランキング設定手段と
、前記電子ビームが光電変換面を走査していると
きに得られる映像信号出力レベルを検出しその検
出結果に基づいて前記撮像管のビーム電流量を調
整するビーム電流調整手段とを具備したことを特
徴とするテレビジヨンカメラ装置。 (2) 前記ビーム電流調整手段はビーム電流調整
を行なうとき規定感度状態の映像信号出力レベル
を検出記憶しておき、前記ブランキング設定手段
により周期的に電子ビームを断続する際に得られ
る映像信号出力レベルが規定感度状態の出力に対
して１より大なる係数を乗じたレベルになるよう
に自動的に調整するようにしたことを特徴とする
実用新案登録請求の範囲第１項記載のテレビジヨ
ンカメラ装置。[Claims for Utility Model Registration] (1) Blanking setting means for periodically intermittent an electron beam of an image pickup tube that converts an image into a video signal; 1. A television camera apparatus comprising: a beam current adjusting means for detecting a video signal output level of the image pickup tube and adjusting an amount of beam current of the image pickup tube based on the detection result. (2) The beam current adjusting means detects and stores the video signal output level in a specified sensitivity state when adjusting the beam current, and outputs the video signal obtained when the blanking setting means periodically intermittent the electron beam. A television according to claim 1 of the utility model registration, characterized in that the output level is automatically adjusted to a level obtained by multiplying the output in a specified sensitivity state by a coefficient greater than 1. camera equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14621584U JPS6162471U (en) | 1984-09-27 | 1984-09-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14621584U JPS6162471U (en) | 1984-09-27 | 1984-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6162471U true JPS6162471U (en) | 1986-04-26 |
Family
ID=30704455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14621584U Pending JPS6162471U (en) | 1984-09-27 | 1984-09-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6162471U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5991779A (en) * | 1982-10-19 | 1984-05-26 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | Image pickup tube beam current intensity adjusting method and television camera for executing same method |
-
1984
- 1984-09-27 JP JP14621584U patent/JPS6162471U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5991779A (en) * | 1982-10-19 | 1984-05-26 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | Image pickup tube beam current intensity adjusting method and television camera for executing same method |
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