JPS60163472A - Ｌｅｄ駆動回路 - Google Patents

Ｌｅｄ駆動回路

Info

Publication number
JPS60163472A
JPS60163472A JP59018712A JP1871284A JPS60163472A JP S60163472 A JPS60163472 A JP S60163472A JP 59018712 A JP59018712 A JP 59018712A JP 1871284 A JP1871284 A JP 1871284A JP S60163472 A JPS60163472 A JP S60163472A
Authority
JP
Japan
Prior art keywords
output
circuit
transistor
source
constant voltage
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.)
Granted
Application number
JP59018712A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0357630B2 (https=
Inventor
Masaharu Ozaki
尾崎　正晴
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP59018712A priority Critical patent/JPS60163472A/ja
Publication of JPS60163472A publication Critical patent/JPS60163472A/ja
Publication of JPH0357630B2 publication Critical patent/JPH0357630B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/395—Linear regulators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Led Devices (AREA)
  • Dot-Matrix Printers And Others (AREA)
JP59018712A 1984-02-03 1984-02-03 Ｌｅｄ駆動回路 Granted JPS60163472A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59018712A JPS60163472A (ja) 1984-02-03 1984-02-03 Ｌｅｄ駆動回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59018712A JPS60163472A (ja) 1984-02-03 1984-02-03 Ｌｅｄ駆動回路

Publications (2)

Publication Number Publication Date
JPS60163472A true JPS60163472A (ja) 1985-08-26
JPH0357630B2 JPH0357630B2 (https=) 1991-09-02

Family

ID=11979262

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59018712A Granted JPS60163472A (ja) 1984-02-03 1984-02-03 Ｌｅｄ駆動回路

Country Status (1)

Country Link
JP (1) JPS60163472A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62241395A (ja) * 1986-04-11 1987-10-22 株式会社　エス・エム・シ− 多層配線基板

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62241395A (ja) * 1986-04-11 1987-10-22 株式会社　エス・エム・シ− 多層配線基板

Also Published As

Publication number Publication date
JPH0357630B2 (https=) 1991-09-02

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term