JPS61173155U - - Google Patents
Info
- Publication number
- JPS61173155U JPS61173155U JP1985056922U JP5692285U JPS61173155U JP S61173155 U JPS61173155 U JP S61173155U JP 1985056922 U JP1985056922 U JP 1985056922U JP 5692285 U JP5692285 U JP 5692285U JP S61173155 U JPS61173155 U JP S61173155U
- Authority
- JP
- Japan
- Prior art keywords
- light
- switching element
- emitting
- emitting elements
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は本考案の一実施例に用いる発信回路を示す回
路図、第３図及び第４図は従来の発光素子の駆動
方式を示す回路図である。
１ａ〜１ｆ……発光ダイオード、３ａ〜３ｆ…
…第２のスイツチング素子としてのトランジスタ
、１２……第１のスイツチング素子としてのスイ
ツチ。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a circuit diagram showing an oscillation circuit used in an embodiment of the present invention, and FIGS. 3 and 4 are circuit diagrams showing a conventional driving method for a light emitting element. 1a to 1f...Light emitting diode, 3a to 3f...
...Transistor as the second switching element, 12...Switch as the first switching element.
Claims (1)
駆動させる発光素子の駆動回路において、 前記複数個の発光素子の一方の端子は、共通接
続して、この共通接続した端子を第１のスイツチ
ング素子を介して電源に接続し、 前記複数個の発光素子の他方の端子は、それぞ
れ第２のスイツチング素子を接続し、 前記第１のスイツチング素子を一定の時間間隔
で周期的にＯＮ・ＯＦＦ動作を行なわせるととも
に、前記第２のスイツチング素子を任意選択して
、この任意選択した第２のスイツチング素子のみ
ＯＮ状態とさせることにより、前記複数個の発光
素子のうち任意の発光素子を点燈駆動させること
を特徴とする発光素子の駆動回路。[Claims for Utility Model Registration] In a light-emitting element drive circuit that drives any light-emitting element among a plurality of light-emitting elements to turn on, one terminal of the plurality of light-emitting elements is commonly connected, and the common The connected terminals are connected to a power source via a first switching element, the other terminals of the plurality of light emitting elements are respectively connected to a second switching element, and the first switching element is connected to a power source at a predetermined time interval. The light-emitting elements are periodically turned on and off, and the second switching element is arbitrarily selected, and only the arbitrarily selected second switching element is brought into the ON state. A driving circuit for a light-emitting element, characterized in that it drives an arbitrary light-emitting element to turn on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985056922U JPS61173155U (en) | 1985-04-18 | 1985-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985056922U JPS61173155U (en) | 1985-04-18 | 1985-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61173155U true JPS61173155U (en) | 1986-10-28 |
Family
ID=30580980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985056922U Pending JPS61173155U (en) | 1985-04-18 | 1985-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61173155U (en) |
-
1985
- 1985-04-18 JP JP1985056922U patent/JPS61173155U/ja active Pending
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