JPS5346293A - Direct modulating circuit of light emitting diode - Google Patents
Direct modulating circuit of light emitting diodeInfo
- Publication number
- JPS5346293A JPS5346293A JP12040176A JP12040176A JPS5346293A JP S5346293 A JPS5346293 A JP S5346293A JP 12040176 A JP12040176 A JP 12040176A JP 12040176 A JP12040176 A JP 12040176A JP S5346293 A JPS5346293 A JP S5346293A
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- emitting diode
- modulating circuit
- direct modulating
- direct
- 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
Abstract
PURPOSE: To speed the operation of a light emitting diode by adding another constant current source which flows further minute current to its driving circuit in order to beforehand reduce the potential barrier of the light emitting diode.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12040176A JPS5346293A (en) | 1976-10-08 | 1976-10-08 | Direct modulating circuit of light emitting diode |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12040176A JPS5346293A (en) | 1976-10-08 | 1976-10-08 | Direct modulating circuit of light emitting diode |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5346293A true JPS5346293A (en) | 1978-04-25 |
Family
ID=14785290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12040176A Pending JPS5346293A (en) | 1976-10-08 | 1976-10-08 | Direct modulating circuit of light emitting diode |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5346293A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0143006A2 (en) * | 1983-11-24 | 1985-05-29 | Nec Corporation | Light emitting diode driver circuit |
JPS63250873A (en) * | 1987-04-08 | 1988-10-18 | Oki Electric Ind Co Ltd | Light emitting diode driving circuit |
-
1976
- 1976-10-08 JP JP12040176A patent/JPS5346293A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0143006A2 (en) * | 1983-11-24 | 1985-05-29 | Nec Corporation | Light emitting diode driver circuit |
JPS63250873A (en) * | 1987-04-08 | 1988-10-18 | Oki Electric Ind Co Ltd | Light emitting diode driving circuit |
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