JPS5346293A - Direct modulating circuit of light emitting diode - Google Patents

Direct modulating circuit of light emitting diode

Info

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
Application number
JP12040176A
Other languages
Japanese (ja)
Inventor
Yoshihiro Murakami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP12040176A priority Critical patent/JPS5346293A/en
Publication of JPS5346293A publication Critical patent/JPS5346293A/en
Pending legal-status Critical Current

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
JP12040176A 1976-10-08 1976-10-08 Direct modulating circuit of light emitting diode Pending JPS5346293A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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