JPH0334257U - - Google Patents
Info
- Publication number
- JPH0334257U JPH0334257U JP9438489U JP9438489U JPH0334257U JP H0334257 U JPH0334257 U JP H0334257U JP 9438489 U JP9438489 U JP 9438489U JP 9438489 U JP9438489 U JP 9438489U JP H0334257 U JPH0334257 U JP H0334257U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- transistors
- emitting diode
- utility
- diode drive
- 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 2
Landscapes
- Audible And Visible Signals (AREA)
Description
第１図はこの考案に係る発光ダイオード駆動回
路の実施例を示した回路図である。第２図は従来
例の回路図である。
主な符号の説明、１……駆動電源の入力端子、
２……駆動信号の入力端子、３……ダミー回路。
FIG. 1 is a circuit diagram showing an embodiment of a light emitting diode drive circuit according to this invention. FIG. 2 is a circuit diagram of a conventional example. Explanation of main symbols: 1... Input terminal of drive power supply;
2... Drive signal input terminal, 3... Dummy circuit.
Claims (1)
発光ダイオード駆動回路において、 トランジスタで構成したダミー回路を設けたこ
とを特徴とする発光ダイオード駆動回路。[Claims for Utility Model Registration] A light emitting diode drive circuit comprising a plurality of light emitting diodes and transistors, characterized in that a dummy circuit made up of transistors is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9438489U JPH0334257U (en) | 1989-08-14 | 1989-08-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9438489U JPH0334257U (en) | 1989-08-14 | 1989-08-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0334257U true JPH0334257U (en) | 1991-04-04 |
Family
ID=31643716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9438489U Pending JPH0334257U (en) | 1989-08-14 | 1989-08-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0334257U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5451452A (en) * | 1977-09-30 | 1979-04-23 | Fujitsu Ltd | Light emitting element drive circuit |
| JPS639164B2 (en) * | 1979-12-31 | 1988-02-26 | Sony Magnescale Inc |
-
1989
- 1989-08-14 JP JP9438489U patent/JPH0334257U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5451452A (en) * | 1977-09-30 | 1979-04-23 | Fujitsu Ltd | Light emitting element drive circuit |
| JPS639164B2 (en) * | 1979-12-31 | 1988-02-26 | Sony Magnescale Inc |
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