JPH036681U - - Google Patents
Info
- Publication number
- JPH036681U JPH036681U JP6701889U JP6701889U JPH036681U JP H036681 U JPH036681 U JP H036681U JP 6701889 U JP6701889 U JP 6701889U JP 6701889 U JP6701889 U JP 6701889U JP H036681 U JPH036681 U JP H036681U
- Authority
- JP
- Japan
- Prior art keywords
- emission brightness
- display tube
- fluorescent display
- light emission
- control device
- 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 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Description
第１図は本考案の一実施例である蛍光表示管の
発光輝度制御装置のブロツク構成図、第２図は同
発光輝度制御装置の動作を示すタイミングチヤー
トである。
１……蛍光表示管、２……制御装置（制御手段
）、３……光検出回路（検出手段）。
FIG. 1 is a block diagram of a luminance brightness control device for a fluorescent display tube, which is an embodiment of the present invention, and FIG. 2 is a timing chart showing the operation of the luminance brightness control device. 1... Fluorescent display tube, 2... Control device (control means), 3... Light detection circuit (detection means).
Claims (1)
蛍光表示管における発光輝度制御装置において、 蛍光表示管の周辺部の明るさを検出する検出手
段と、この検出手段の信号に基づき前記発光輝度
を多段階に制御する制御手段を備えたことを特徴
とする蛍光表示管における発光輝度制御装置。[Scope of Claim for Utility Model Registration] An emission brightness control device for a fluorescent display tube that dynamically controls the emission brightness of a phosphor, comprising: a detection means for detecting the brightness of the peripheral area of the fluorescent display tube; and a signal from the detection means. 1. A light emission brightness control device for a fluorescent display tube, comprising a control means for controlling the light emission brightness in multiple stages based on the light emission brightness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6701889U JPH036681U (en) | 1989-06-07 | 1989-06-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6701889U JPH036681U (en) | 1989-06-07 | 1989-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH036681U true JPH036681U (en) | 1991-01-23 |
Family
ID=31600224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6701889U Pending JPH036681U (en) | 1989-06-07 | 1989-06-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH036681U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6174297A (en) * | 1984-09-19 | 1986-04-16 | キヤノン株式会社 | light emitting device |
-
1989
- 1989-06-07 JP JP6701889U patent/JPH036681U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6174297A (en) * | 1984-09-19 | 1986-04-16 | キヤノン株式会社 | light emitting device |
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