JPH02141176U - - Google Patents
Info
- Publication number
- JPH02141176U JPH02141176U JP4999189U JP4999189U JPH02141176U JP H02141176 U JPH02141176 U JP H02141176U JP 4999189 U JP4999189 U JP 4999189U JP 4999189 U JP4999189 U JP 4999189U JP H02141176 U JPH02141176 U JP H02141176U
- Authority
- JP
- Japan
- Prior art keywords
- image
- signal
- size
- converter
- converts
- 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
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 1
Landscapes
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Studio Circuits (AREA)
Description
第１図は本考案の第１の実施例のブロツク図、
第２図は本考案の第２の実施例のブロツク図、第
３図は従来の内視鏡システムのブロツク図、第４
図イ，ロはビデオモニタ８に表示された画像の拡
大図である。
１……ビデオカメラ、２……レンズ、５……制
御回路、１１……撮像素子、４１……Ａ／Ｄ変換
器、４２……フレームメモリ（記憶装置）、４３
……Ｄ／Ａ変換器、４４……信号処理回路。
FIG. 1 is a block diagram of the first embodiment of the present invention;
Fig. 2 is a block diagram of a second embodiment of the present invention, Fig. 3 is a block diagram of a conventional endoscope system, and Fig. 4 is a block diagram of a conventional endoscope system.
Figures A and B are enlarged views of images displayed on the video monitor 8. 1... Video camera, 2... Lens, 5... Control circuit, 11... Imaging element, 41... A/D converter, 42... Frame memory (storage device), 43
...D/A converter, 44...signal processing circuit.
Claims (1)
換して出力するビデオカメラと、前記ビデオカメ
ラの光学系統中に設けられ、前記像の大きさを拡
大または縮小するレンズと、前記第１の映像信号
をデジタル信号に変換するＡ／Ｄ変換器と、前記
デジタル信号を記憶する記憶装置と、前記記憶装
置に記憶された前記デジタル信号を第２の映像信
号に変換するＤ／Ａ変換器と、前記Ａ／Ｄ変換器
と前記記憶装置との間、または前記記憶装置と前
記Ｄ／Ａ変換器との間に介挿され、供給された制
御信号により入力デジタル信号に対応する画像を
拡大または縮小するように前記入力デジタル信号
を変換して出力する信号処理回路と、前記レンズ
が前記像の大きさを拡大するように作動すると前
記画像を縮小するように、また、前記レンズが前
記像の大きさを縮小するように作動すると前記画
像を拡大するように前記制御信号を出力する制御
回路とを具備することを特徴とする撮像装置。 a video camera that converts an image projected on an image sensor into a first video signal and outputs the first video signal; a lens provided in an optical system of the video camera for enlarging or reducing the size of the image; and a lens for enlarging or reducing the size of the image; an A/D converter that converts a video signal into a digital signal, a storage device that stores the digital signal, and a D/A converter that converts the digital signal stored in the storage device into a second video signal. is inserted between the A/D converter and the storage device, or between the storage device and the D/A converter, and enlarges an image corresponding to the input digital signal by a supplied control signal. or a signal processing circuit that converts and outputs the input digital signal so as to reduce the size of the image; and a signal processing circuit that reduces the image when the lens operates to enlarge the size of the image; and a control circuit that outputs the control signal to enlarge the image when the image is operated to reduce the size of the image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4999189U JPH02141176U (en) | 1989-04-27 | 1989-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4999189U JPH02141176U (en) | 1989-04-27 | 1989-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02141176U true JPH02141176U (en) | 1990-11-27 |
Family
ID=31568154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4999189U Pending JPH02141176U (en) | 1989-04-27 | 1989-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02141176U (en) |
-
1989
- 1989-04-27 JP JP4999189U patent/JPH02141176U/ja active Pending
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