JPS6234869U - - Google Patents
Info
- Publication number
- JPS6234869U JPS6234869U JP12731285U JP12731285U JPS6234869U JP S6234869 U JPS6234869 U JP S6234869U JP 12731285 U JP12731285 U JP 12731285U JP 12731285 U JP12731285 U JP 12731285U JP S6234869 U JPS6234869 U JP S6234869U
- Authority
- JP
- Japan
- Prior art keywords
- rotation angle
- electronic viewfinder
- angle detector
- contrast
- crt
- 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
- 238000003384 imaging method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図はこの考案の実施例の電子ビユーフアイ
ンダ装置の回路図、第２図乃至第４図のａは同実
施例に用いられる回転角度検出器の動作説明図、
第２図乃至第４図のｂは同実施例に用いられる回
転角度検出器の等価回路図、第５図は従来の電子
ビユーフアインダ装置の回路図である。
１：映像信号処理回路、３：ＣＲＴ、４：コン
トラスト調整回路、５：回転角度検出器。
FIG. 1 is a circuit diagram of an electronic viewfinder device according to an embodiment of this invention, and FIGS.
FIGS. 2 to 4b are equivalent circuit diagrams of the rotation angle detector used in the same embodiment, and FIG. 5 is a circuit diagram of a conventional electronic viewfinder device. 1: Video signal processing circuit, 3: CRT, 4: Contrast adjustment circuit, 5: Rotation angle detector.
Claims (1)
において、撮像レンズに設けられた絞りの回転角
度を検出する回転角度検出器を備え、かつ、前記
回転角度検出器により検出された角度信号に応じ
て電子ビユーフアインダ用ＣＲＴに映出する映像
信号のコントラストを変化させるコントラスト調
整回路を備えてなる電子ビユーフアインダ装置。 A video camera equipped with an electronic viewfinder is provided with a rotation angle detector that detects the rotation angle of an aperture provided in the imaging lens, and a CRT for the electronic viewfinder is provided in accordance with an angle signal detected by the rotation angle detector. An electronic viewfinder device equipped with a contrast adjustment circuit that changes the contrast of a projected video signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12731285U JPS6234869U (en) | 1985-08-20 | 1985-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12731285U JPS6234869U (en) | 1985-08-20 | 1985-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6234869U true JPS6234869U (en) | 1987-02-28 |
Family
ID=31021940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12731285U Pending JPS6234869U (en) | 1985-08-20 | 1985-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6234869U (en) |
-
1985
- 1985-08-20 JP JP12731285U patent/JPS6234869U/ja active Pending
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