KR860004458A - Light emitting device driving circuit - Google Patents

Light emitting device driving circuit

Info

Publication number: KR860004458A
Authority: KR; South Korea
Prior art keywords: light emitting; emitting device; driving circuit; device driving; circuit
Prior art date: 1984-11-07

Application number

KR1019850007850A

Other languages

Korean (ko)

Other versions

KR890004481B1 (en

Inventor

히사시 다까다

미쯔아끼 니시아

Original Assignee

스미도모덴기고오교오 가부시기가이샤

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.)

1984-11-07

Filing date

1985-10-24

Publication date

1986-06-23

1985-10-24 Application filed by 스미도모덴기고오교오 가부시기가이샤 filed Critical 스미도모덴기고오교오 가부시기가이샤

1986-06-23 Publication of KR860004458A publication Critical patent/KR860004458A/en

1989-11-04 Application granted granted Critical

1989-11-04 Publication of KR890004481B1 publication Critical patent/KR890004481B1/en

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/502—LED transmitters
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/564—Power control
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/58—Compensation for non-linear transmitter output

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Nonlinear Science (AREA)
Electronic Switches (AREA)
Optical Communication System (AREA)
Led Devices (AREA)
Semiconductor Lasers (AREA)

KR1019850007850A 1984-11-07 1985-10-24 Light emitting element driving circuit KR890004481B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP59-234645		1984-11-07
JP59234645A JPS61113330A (en)	1984-11-07	1984-11-07	Drive circuit of light emitting element

Publications (2)

Publication Number	Publication Date
KR860004458A true KR860004458A (en)	1986-06-23
KR890004481B1 KR890004481B1 (en)	1989-11-04

Family

ID=16974267

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
KR1019850007850A KR890004481B1 (en)	1984-11-07	1985-10-24	Light emitting element driving circuit

Country Status (2)

Country	Link
JP (1)	JPS61113330A (en)
KR (1)	KR890004481B1 (en)

1984
- 1984-11-07 JP JP59234645A patent/JPS61113330A/en active Pending
1985
- 1985-10-24 KR KR1019850007850A patent/KR890004481B1/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
JPS61113330A (en)	1986-05-31
KR890004481B1 (en)	1989-11-04

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Legal Events

Date	Code	Title	Description
1985-10-24	A201	Request for examination
1985-10-24	PA0109	Patent application	Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19851024
1985-10-24	PA0201	Request for examination
1986-06-23	PG1501	Laying open of application
1989-09-30	G160	Decision to publish patent application
1989-11-04	PG1605	Publication of application before grant of patent	Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19890930
1990-01-25	E701	Decision to grant or registration of patent right
1990-01-25	PE0701	Decision of registration	Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19900125
1990-02-12	GRNT	Written decision to grant
1990-02-12	PR0701	Registration of establishment	Comment text: Registration of Establishment Patent event date: 19900212 Patent event code: PR07011E01D
1990-02-12	PR1002	Payment of registration fee	Payment date: 19900212 End annual number: 3 Start annual number: 1
1992-11-02	PR1001	Payment of annual fee	Payment date: 19921102 Start annual number: 4 End annual number: 4
1993-10-26	PR1001	Payment of annual fee	Payment date: 19931026 Start annual number: 5 End annual number: 5
1994-10-28	PR1001	Payment of annual fee	Payment date: 19941028 Start annual number: 6 End annual number: 6
1995-11-01	FPAY	Annual fee payment	Payment date: 19951101 Year of fee payment: 7
1995-11-01	PR1001	Payment of annual fee	Payment date: 19951101 Start annual number: 7 End annual number: 7
1996-11-05	LAPS	Lapse due to unpaid annual fee
1996-11-05	PC1903	Unpaid annual fee