JPH0394881U - - Google Patents
Info
- Publication number
- JPH0394881U JPH0394881U JP284690U JP284690U JPH0394881U JP H0394881 U JPH0394881 U JP H0394881U JP 284690 U JP284690 U JP 284690U JP 284690 U JP284690 U JP 284690U JP H0394881 U JPH0394881 U JP H0394881U
- Authority
- JP
- Japan
- Prior art keywords
- photoelectric conversion
- driving means
- conversion element
- output signal
- light
- 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
- 238000005286 illumination Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
Description
第１図は本考案に係わるビデオカメラの補助照
明装置の電気的構成を示すブロツク線図、第２図
は同装置の主要部の出力波形を示すタイミングチ
ヤートである。
１……被写体、２……螢光灯、３……フイルタ
、４……光電交換素子、７，８……シユミツトト
リガ回路、１０……駆動回路、１１……補助照明
灯（ハロゲン白熱灯）。
FIG. 1 is a block diagram showing the electrical configuration of an auxiliary lighting device for a video camera according to the present invention, and FIG. 2 is a timing chart showing output waveforms of the main parts of the device. 1... Subject, 2... Fluorescent light, 3... Filter, 4... Photoelectric exchange element, 7, 8... Schmitt trigger circuit, 10... Drive circuit, 11... Auxiliary illumination light (halogen incandescent lamp).
Claims (1)
、この照射光の波長とは異なる波長の照明光をカ
ツトするフイルタと、 このフイルタを透過した前記照射光を光電変換
する光電変換素子と、 この光電変換素子からの出力信号に基づいて、
この出力信号の位相とは異なる位相の信号電圧を
出力する駆動手段と、 この駆動手段からの出力電圧を受けて発光する
白熱灯からなる補助照明灯とを備えたことを特徴
とするビデオカメラの補助照明装置。[Claims for Utility Model Registration] A filter that transmits irradiated light emitted from a fluorescent lamp and cuts out illumination light with a wavelength different from that of the irradiated light; Based on the photoelectric conversion element to be converted and the output signal from this photoelectric conversion element,
A video camera comprising: a driving means for outputting a signal voltage having a phase different from that of the output signal; and an auxiliary illumination lamp consisting of an incandescent lamp that emits light in response to the output voltage from the driving means. Auxiliary lighting equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP284690U JPH0394881U (en) | 1990-01-16 | 1990-01-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP284690U JPH0394881U (en) | 1990-01-16 | 1990-01-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0394881U true JPH0394881U (en) | 1991-09-27 |
Family
ID=31506692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP284690U Pending JPH0394881U (en) | 1990-01-16 | 1990-01-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0394881U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007206841A (en) * | 2006-01-31 | 2007-08-16 | Sharp Corp | Electronic desk calculator and computer program |
-
1990
- 1990-01-16 JP JP284690U patent/JPH0394881U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007206841A (en) * | 2006-01-31 | 2007-08-16 | Sharp Corp | Electronic desk calculator and computer program |
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