JPH0247688U - - Google Patents
Info
- Publication number
- JPH0247688U JPH0247688U JP12689588U JP12689588U JPH0247688U JP H0247688 U JPH0247688 U JP H0247688U JP 12689588 U JP12689588 U JP 12689588U JP 12689588 U JP12689588 U JP 12689588U JP H0247688 U JPH0247688 U JP H0247688U
- Authority
- JP
- Japan
- Prior art keywords
- memory
- display device
- pattern
- light emitting
- emitting element
- 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
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案の第一実施例を示す構成図、第
２図は本考案の他の実施例を示す構成図、第３図
はメモリの内容の一例、第４図はタイミング波形
の一例、第５図は従来における調光制御回路の一
例を示す構成図、第６図は多数の発光素子によつ
て構成される電光表示装置の表示状態の一例を示
す図である。
６……バイナリカウンタ、７……データラツチ
回路、８……ＲＯＭ、１０……発光素子、１１…
…ＲＡＭ、１２……リードタイミング発生器、１
３……ライトタイミング発生器、１４……マルチ
プレクサ。
Fig. 1 is a block diagram showing a first embodiment of the present invention, Fig. 2 is a block diagram showing another embodiment of the present invention, Fig. 3 is an example of memory contents, and Fig. 4 is an example of timing waveforms. , FIG. 5 is a block diagram showing an example of a conventional dimming control circuit, and FIG. 6 is a diagram showing an example of a display state of an electronic display device constituted by a large number of light emitting elements. 6... Binary counter, 7... Data latch circuit, 8... ROM, 10... Light emitting element, 11...
...RAM, 12... Read timing generator, 1
3...Write timing generator, 14...Multiplexer.
Claims (1)
を制御する調光制御回路からなる電光表示装置に
おいて、前記調光制御回路により前記発光素子の
点灯時間比が決められた点灯時間比パターンを記
憶するメモリと、該パターンの種類を選択する信
号を前記メモリに出力する選択信号発生回路と、
前記メモリが前記パターンを時系列的に出力する
ためのアドレスを順次前記メモリに出力するアド
レス発生回路とを備えたことを特微とする電光表
示装置。 (2) 前記メモリが書替え可能なメモリで構成さ
れている請求項１記載の電光表示装置。 (3) 前記制御回路が前記メモリに点灯時間比パ
ターンを書込むことができる請求項１記載の電光
表示装置。[Claims for Utility Model Registration] (1) In an electric display device comprising a light emitting element and a dimming control circuit that controls lighting and extinguishing of the light emitting element, the lighting time ratio of the light emitting element is controlled by the dimming control circuit. a memory that stores a determined lighting time ratio pattern; a selection signal generation circuit that outputs a signal for selecting the type of the pattern to the memory;
An electronic display device characterized in that the memory includes an address generation circuit that sequentially outputs addresses for outputting the pattern in time series to the memory. (2) The electronic display device according to claim 1, wherein the memory is comprised of a rewritable memory. (3) The electronic display device according to claim 1, wherein the control circuit is capable of writing a lighting time ratio pattern into the memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12689588U JPH0247688U (en) | 1988-09-28 | 1988-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12689588U JPH0247688U (en) | 1988-09-28 | 1988-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0247688U true JPH0247688U (en) | 1990-03-30 |
Family
ID=31378831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12689588U Pending JPH0247688U (en) | 1988-09-28 | 1988-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247688U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011100937A (en) * | 2009-11-09 | 2011-05-19 | Sanyo Electric Co Ltd | Light-emitting element drive circuit, light-emitting element drive circuit system, and electronic equipment |
-
1988
- 1988-09-28 JP JP12689588U patent/JPH0247688U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011100937A (en) * | 2009-11-09 | 2011-05-19 | Sanyo Electric Co Ltd | Light-emitting element drive circuit, light-emitting element drive circuit system, and electronic equipment |
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