JPS6244568U - - Google Patents
Info
- Publication number
- JPS6244568U JPS6244568U JP13711285U JP13711285U JPS6244568U JP S6244568 U JPS6244568 U JP S6244568U JP 13711285 U JP13711285 U JP 13711285U JP 13711285 U JP13711285 U JP 13711285U JP S6244568 U JPS6244568 U JP S6244568U
- Authority
- JP
- Japan
- Prior art keywords
- display device
- electronic viewfinder
- focused point
- signal
- electronic
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 238000003384 imaging method Methods 0.000 claims 1
- 239000004973 liquid crystal related substance Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 1
Landscapes
- Viewfinders (AREA)
Description
第１図は本考案の合焦点表示装置付電子ビユー
フアインダとビデオカメラの概略ブロツク図、第
２図はドライブ回路の出力信号とレンズの焦点距
離との関係を示す波形図である。
５……電子ビユーフアインダ、６……合焦点表
示部、７……微分回路、８……自動利得調整用増
幅回路、９……自動利得制御回路（ＡＧＣ回路）
、１０……ピーク検波器、１１……ドライブ回路
。
FIG. 1 is a schematic block diagram of an electronic viewfinder with a focusing point display device and a video camera according to the present invention, and FIG. 2 is a waveform diagram showing the relationship between the output signal of the drive circuit and the focal length of the lens. 5... Electronic viewfinder, 6... Focus point display unit, 7... Differentiation circuit, 8... Automatic gain adjustment amplifier circuit, 9... Automatic gain control circuit (AGC circuit)
, 10...Peak detector, 11...Drive circuit.
Claims (1)
あつて、 撮像装置から得られたビデオ信号を微分したエ
ツジ信号をもとに被写体とレンズとの距離に対応
して変化する信号を作成する信号作成手段と、 この信号作成手段によつて作成された信号から
合焦点を求める合焦点検出手段と、 この合焦点検出手段の検出結果を表示する表示
手段とを備えてなることを特徴とする合焦点表示
装置付電子ビユーフアインダ。 (2) 前記電子ビユーフアインダの表示部が発光
ダイオード（ＬＥＤ），または液晶表示素子（Ｌ
ＣＤ）によつて構成されてなる実用新案登録請求
の範囲第１項記載の合焦点表示装置付電子ビユー
フアインダ。 (3) 前記信号作成手段が微分回路とＡＧＣ回路
と増幅回路とからなる実用新案登録請求の範囲第
１項記載の合焦点表示装置付電子ビユーフアイン
ダ。 (4) 前記合焦点検出手段がピーク検波器である
実用新案登録請求の範囲第１項記載の合焦点表示
装置付電子ビユーフアインダ。[Claims for Utility Model Registration] (1) A device installed in an electronic viewfinder that changes in accordance with the distance between the subject and the lens based on an edge signal obtained by differentiating the video signal obtained from the imaging device. A signal generating means for generating a signal, a focused point detecting means for determining a focused point from a signal generated by the signal generating means, and a display means for displaying a detection result of the focused point detecting means. An electronic viewfinder with a focusing point display device featuring: (2) The display section of the electronic viewfinder is a light emitting diode (LED) or a liquid crystal display element (L
An electronic viewfinder with a focusing point display device according to claim 1, which is constituted by a CD. (3) The electronic view finder with a focusing point display device according to claim 1, wherein the signal generating means includes a differentiating circuit, an AGC circuit, and an amplifier circuit. (4) The electronic view finder with a focused point display device according to claim 1, wherein the focused point detection means is a peak detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13711285U JPS6244568U (en) | 1985-09-06 | 1985-09-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13711285U JPS6244568U (en) | 1985-09-06 | 1985-09-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6244568U true JPS6244568U (en) | 1987-03-18 |
Family
ID=31040857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13711285U Pending JPS6244568U (en) | 1985-09-06 | 1985-09-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6244568U (en) |
-
1985
- 1985-09-06 JP JP13711285U patent/JPS6244568U/ja active Pending
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