JP7724981B2 - 発光素子駆動回路及びレーザー加工機 - Google Patents

発光素子駆動回路及びレーザー加工機

Info

Publication number
JP7724981B2
JP7724981B2 JP2024550060A JP2024550060A JP7724981B2 JP 7724981 B2 JP7724981 B2 JP 7724981B2 JP 2024550060 A JP2024550060 A JP 2024550060A JP 2024550060 A JP2024550060 A JP 2024550060A JP 7724981 B2 JP7724981 B2 JP 7724981B2
Authority
JP
Japan
Prior art keywords
voltage
emitting element
light
drive circuit
power supply
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.)
Active
Application number
JP2024550060A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2024070709A1 (enExample
JPWO2024070709A5 (ja
Inventor
健吾 西村
周治 若生
浩二 中島
隆 熊谷
義一 角田
猛 森本
勇一 五十嵐
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of JPWO2024070709A1 publication Critical patent/JPWO2024070709A1/ja
Publication of JPWO2024070709A5 publication Critical patent/JPWO2024070709A5/ja
Application granted granted Critical
Publication of JP7724981B2 publication Critical patent/JP7724981B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30Driver circuits
    • H05B45/34Voltage stabilisation; Maintaining constant voltage
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30Driver circuits
    • H05B45/395Linear regulators

Landscapes

  • Semiconductor Lasers (AREA)
JP2024550060A 2022-09-28 2023-09-13 発光素子駆動回路及びレーザー加工機 Active JP7724981B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022155285 2022-09-28
JP2022155285 2022-09-28
PCT/JP2023/033414 WO2024070709A1 (ja) 2022-09-28 2023-09-13 発光素子駆動回路

Publications (3)

Publication Number Publication Date
JPWO2024070709A1 JPWO2024070709A1 (enExample) 2024-04-04
JPWO2024070709A5 JPWO2024070709A5 (ja) 2024-12-17
JP7724981B2 true JP7724981B2 (ja) 2025-08-18

Family

ID=90477431

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024550060A Active JP7724981B2 (ja) 2022-09-28 2023-09-13 発光素子駆動回路及びレーザー加工機

Country Status (2)

Country Link
JP (1) JP7724981B2 (enExample)
WO (1) WO2024070709A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7696533B1 (ja) * 2025-01-16 2025-06-20 三菱電機株式会社 発光素子駆動回路およびレーザ発振器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000307186A (ja) 1999-04-22 2000-11-02 Ricoh Co Ltd 画像形成装置
JP2002335038A (ja) 2001-03-05 2002-11-22 Fuji Xerox Co Ltd 発光素子駆動装置および発光素子駆動システム
JP2003188465A (ja) 2001-10-11 2003-07-04 Hamamatsu Photonics Kk 発光素子駆動回路
JP2011513988A (ja) 2008-03-03 2011-04-28 イーストマン コダック カンパニー レーザダイオード・ドライバ
JP2022161687A (ja) 2021-04-09 2022-10-21 三菱電機株式会社 発光素子駆動回路

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0416470Y2 (enExample) * 1984-12-27 1992-04-13

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000307186A (ja) 1999-04-22 2000-11-02 Ricoh Co Ltd 画像形成装置
JP2002335038A (ja) 2001-03-05 2002-11-22 Fuji Xerox Co Ltd 発光素子駆動装置および発光素子駆動システム
JP2003188465A (ja) 2001-10-11 2003-07-04 Hamamatsu Photonics Kk 発光素子駆動回路
JP2011513988A (ja) 2008-03-03 2011-04-28 イーストマン コダック カンパニー レーザダイオード・ドライバ
JP2022161687A (ja) 2021-04-09 2022-10-21 三菱電機株式会社 発光素子駆動回路

Also Published As

Publication number Publication date
JPWO2024070709A1 (enExample) 2024-04-04
WO2024070709A1 (ja) 2024-04-04

Similar Documents

Publication Publication Date Title
US10979039B2 (en) Gate drive circuit
US9491822B2 (en) LED driver with adaptive dynamic headroom voltage control
US8981689B2 (en) Driver for switching element and control system for rotary machine using the same
US9350241B2 (en) Buck converter and control method therefor
JP6932347B2 (ja) 駆動回路及び発光装置
KR20130135775A (ko) 점등 장치 및 차량용 전조등
US10405386B2 (en) Light emitting element driving apparatus and driving method thereof
JP2008541507A (ja) 電力用電界効果トランジスタ(fet)の駆動システムおよびその方法
US10749519B2 (en) Semiconductor device driving method and driving apparatus and power conversion apparatus
JP7724981B2 (ja) 発光素子駆動回路及びレーザー加工機
WO2016032579A1 (en) Floating output voltage boost-buck regulator using a buck controller with low input and low output ripple
JP4317825B2 (ja) インバータ装置
US10483853B2 (en) DC-DC converter
US7327092B2 (en) Current driving circuit for inductive loads
JP7511519B2 (ja) 発光素子駆動回路
KR102261852B1 (ko) Led 구동 캐패시터를 포함하는 ac 직결형 발광 다이오드 구동장치
JP2018113767A (ja) 回生電流検出回路、チャージ電流検出回路、モータ電流検出システム
KR102347771B1 (ko) Ac 직결형 발광 다이오드 구동장치
US11343891B2 (en) LED system for vehicle lighting having high efficiency and high reliability
JPWO2024070709A5 (ja) 発光素子駆動回路及びレーザー加工機
JP7696533B1 (ja) 発光素子駆動回路およびレーザ発振器
JP2020511089A (ja) 電源切替装置及び当該電源切替装置を操作する方法
US12261605B2 (en) Gate driving with phased slew rate control and overcurrent protection
KR102863468B1 (ko) 광원 구동장치 및 그 방법
JP2009273244A (ja) スイッチング回路

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240925

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20240925

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20250708

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20250805

R150 Certificate of patent or registration of utility model

Ref document number: 7724981

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150