JPS61160492U - - Google Patents
Info
- Publication number
- JPS61160492U JPS61160492U JP4434585U JP4434585U JPS61160492U JP S61160492 U JPS61160492 U JP S61160492U JP 4434585 U JP4434585 U JP 4434585U JP 4434585 U JP4434585 U JP 4434585U JP S61160492 U JPS61160492 U JP S61160492U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- monostable
- monostable multivibrators
- clock signal
- synchronization
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of Electrical Variables (AREA)
Description
第１図および第２図はそれぞれ本考案の一実施
例のブロツク図およびタイミングを示す波形図、
第３図は従来の輝度制御回路のブロツク図である
。
１……クロツク信号、２及び４……単安定マル
チバイブレータ、３……表示器、５……論理積回
路。
FIGS. 1 and 2 are a block diagram and a waveform diagram showing timing, respectively, of an embodiment of the present invention;
FIG. 3 is a block diagram of a conventional brightness control circuit. 1... Clock signal, 2 and 4... Monostable multivibrator, 3... Display device, 5... AND circuit.
Claims (1)
単安定時間が可変な２個の単安定マルチバイブレ
ーターと、この２個の単安定マルチバイブレータ
ーそれぞれの出力の論理積を求める論理積回路を
具備し、この論理積回路の出力に従つて表示器に
電力を供給することを特徴とする輝度制御回路。 It is equipped with two monostable multivibrators that operate in synchronization with a clock signal and whose monostable time is variable, and an AND circuit that calculates the AND of the respective outputs of these two monostable multivibrators, A brightness control circuit characterized in that it supplies power to a display according to the output of the AND circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4434585U JPS61160492U (en) | 1985-03-27 | 1985-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4434585U JPS61160492U (en) | 1985-03-27 | 1985-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61160492U true JPS61160492U (en) | 1986-10-04 |
Family
ID=30556829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4434585U Pending JPS61160492U (en) | 1985-03-27 | 1985-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61160492U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63205696A (en) * | 1987-02-21 | 1988-08-25 | ミノルタ株式会社 | Control of multi-color emission led |
| JPH01266595A (en) * | 1988-04-19 | 1989-10-24 | Copal Co Ltd | Lighting brightness controller for light emission diode matrix display |
-
1985
- 1985-03-27 JP JP4434585U patent/JPS61160492U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63205696A (en) * | 1987-02-21 | 1988-08-25 | ミノルタ株式会社 | Control of multi-color emission led |
| JPH01266595A (en) * | 1988-04-19 | 1989-10-24 | Copal Co Ltd | Lighting brightness controller for light emission diode matrix display |