JPH01142278U - - Google Patents
Info
- Publication number
- JPH01142278U JPH01142278U JP1988036540U JP3654088U JPH01142278U JP H01142278 U JPH01142278 U JP H01142278U JP 1988036540 U JP1988036540 U JP 1988036540U JP 3654088 U JP3654088 U JP 3654088U JP H01142278 U JPH01142278 U JP H01142278U
- Authority
- JP
- Japan
- Prior art keywords
- infrared light
- television camera
- light source
- adjustment volume
- television
- 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
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000003384 imaging method Methods 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Closed-Circuit Television Systems (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Description
第１図は本考案のテレビモニタ装置の一実施例
の要部回路図、第２図は本考案のテレビモニタ装
置の状態遷移図、第３図及び第４図は本考案を採
用するテレビ電話装置の外観図及び機能ブロツク
図である。
２……テレビカメラ、３……ＣＲＴ表示器、１
１……赤外光照明手段、２０……イメージセンサ
、２１……可変増幅器、２２……信号処理回路、
Ａ……差動アンプ、Ｌ……赤外ＬＥＤ、Ｖ……輝
度調整ボリユーム。
FIG. 1 is a circuit diagram of a main part of an embodiment of the television monitor device of the present invention, FIG. 2 is a state transition diagram of the television monitor device of the present invention, and FIGS. 3 and 4 are video telephones adopting the present invention. FIG. 2 is an external view and a functional block diagram of the device. 2...TV camera, 3...CRT display, 1
1... Infrared light illumination means, 20... Image sensor, 21... Variable amplifier, 22... Signal processing circuit,
A...Differential amplifier, L...Infrared LED, V...Brightness adjustment volume.
Claims (1)
撮像素子を備えたテレビカメラと、該カメラにて
撮像した画像を表示する表示器と、上記テレビカ
メラ前方の被写体を赤外光で照明するための赤外
光源とを備えたテレビモニタ装置に於て、上記テ
レビカメラの輝度調整ボリユームを設け、該輝度
調整ボリユームを輝度増大方向に操作したときの
特定位置で上記赤外光源を点灯し、該輝度調整ボ
リユームを輝度減少方向に操作したときの特定位
置で上記赤外線光源を消灯する事を特徴としたテ
レビモニタ装置。 A television camera equipped with an image sensor that has imaging sensitivity in the infrared light region in addition to visible light, a display that displays images captured by the camera, and a subject in front of the television camera that illuminates with infrared light. In a television monitor device equipped with an infrared light source for the television camera, a brightness adjustment volume of the television camera is provided, and the infrared light source is turned on at a specific position when the brightness adjustment volume is operated in a direction of increasing brightness, A television monitor device characterized in that the infrared light source is turned off at a specific position when the brightness adjustment volume is operated in the direction of decreasing brightness.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988036540U JPH01142278U (en) | 1988-03-18 | 1988-03-18 | |
| CA000592062A CA1301384C (en) | 1988-02-29 | 1989-02-24 | Video telephone with changeable aperture |
| KR1019890002527A KR920000143B1 (en) | 1988-02-29 | 1989-02-28 | Bidirectional monitoring terminal equipment |
| FR8902572A FR2628279B1 (en) | 1988-02-29 | 1989-02-28 | |
| DE3906315A DE3906315A1 (en) | 1988-02-29 | 1989-02-28 | Videophone |
| US07/598,758 US5077784A (en) | 1988-02-29 | 1990-10-09 | Visible telephone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988036540U JPH01142278U (en) | 1988-03-18 | 1988-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01142278U true JPH01142278U (en) | 1989-09-29 |
Family
ID=31263138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988036540U Pending JPH01142278U (en) | 1988-02-29 | 1988-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01142278U (en) |
-
1988
- 1988-03-18 JP JP1988036540U patent/JPH01142278U/ja active Pending
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