JPS55130190A - Limiting circuit for semiconductor laser - Google Patents

Limiting circuit for semiconductor laser

Info

Publication number
JPS55130190A
JPS55130190A JP3766580A JP3766580A JPS55130190A JP S55130190 A JPS55130190 A JP S55130190A JP 3766580 A JP3766580 A JP 3766580A JP 3766580 A JP3766580 A JP 3766580A JP S55130190 A JPS55130190 A JP S55130190A
Authority
JP
Japan
Prior art keywords
semiconductor laser
limiting circuit
limiting
circuit
laser
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
JP3766580A
Other languages
Japanese (ja)
Inventor
Marei Mohamedo
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of JPS55130190A publication Critical patent/JPS55130190A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/06825—Protecting the laser, e.g. during switch-on/off, detection of malfunctioning or degradation
JP3766580A 1979-03-26 1980-03-26 Limiting circuit for semiconductor laser Pending JPS55130190A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792911858 DE2911858C2 (en) 1979-03-26 1979-03-26 Circuit for limiting the light output emitted by a semiconductor laser

Publications (1)

Publication Number Publication Date
JPS55130190A true JPS55130190A (en) 1980-10-08

Family

ID=6066465

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3766580A Pending JPS55130190A (en) 1979-03-26 1980-03-26 Limiting circuit for semiconductor laser

Country Status (4)

Country Link
JP (1) JPS55130190A (en)
DE (1) DE2911858C2 (en)
FR (1) FR2452807A1 (en)
GB (1) GB2045516B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS583297A (en) * 1981-06-29 1983-01-10 Fujitsu Ltd Driving system for laser
JPS6068683A (en) * 1983-08-30 1985-04-19 Yokogawa Hewlett Packard Ltd Laser protecting circuit
JPS62116570U (en) * 1986-01-16 1987-07-24
US5334826A (en) * 1991-05-10 1994-08-02 Fujitsu Limited Method and apparatus for extending and confirming the service life of semiconductor laser of bar code reader by detecting current increase corresponding to temperature of semiconductor laser

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8005153A (en) * 1980-09-15 1982-04-01 Philips Nv DEVICE FOR MODULATING THE OUTPUT SIGNAL OF A CONVERTER, FOR EXAMPLE, AN ELECTRO-OPTICAL CONVERTER.
US4484331A (en) * 1981-07-20 1984-11-20 Rca Corporation Regulator for bias current of semiconductor laser diode
DE3308987A1 (en) * 1983-03-14 1984-09-20 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement with an optical transmitter
DE3325420A1 (en) * 1983-07-14 1985-01-31 Telefunken electronic GmbH, 7100 Heilbronn CIRCUIT ARRANGEMENT FOR CONTROLLING SEMICONDUCTOR LASERS
HUT39871A (en) * 1985-02-19 1986-10-29 Videoton Elekt Vallalat Method for measuring the temperature of semiconductor laser diode and circuit arrangement for carrying out thereof
US4791632A (en) * 1987-01-09 1988-12-13 Sperry Corporation Compensated laser diode transmitter
DE3706572A1 (en) * 1987-02-28 1988-09-08 Philips Patentverwaltung CONTROL OF LASER DIODES
DE3726243A1 (en) * 1987-08-07 1989-02-16 Kabelmetal Electro Gmbh Circuit arrangement for regulating the power of a laser diode
ATE120589T1 (en) * 1989-01-17 1995-04-15 Siemens Ag LASER DIODE TRANSMITTER WITH PROTECTION AND ALARM CIRCUIT.
EP0746888A1 (en) * 1994-12-23 1996-12-11 Koninklijke Philips Electronics N.V. Laser power supply circuit as well as optical recording and/or reading device comprising such a laser power supply circuit
US5953690A (en) * 1996-07-01 1999-09-14 Pacific Fiberoptics, Inc. Intelligent fiberoptic receivers and method of operating and manufacturing the same
DE102012022053B4 (en) 2012-10-02 2023-04-13 Balluff Gmbh Circuit arrangement for operating a laser diode

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53116794A (en) * 1977-03-23 1978-10-12 Mitsubishi Electric Corp Laser device for optical communication

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946335A (en) * 1975-02-18 1976-03-23 Bell Telephone Laboratories, Incorporated Stabilization circuit for radiation emitting diodes
DE2736966A1 (en) * 1977-08-17 1979-03-01 Standard Elektrik Lorenz Ag TRANSMITTER FOR OPTICAL RADIATION

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53116794A (en) * 1977-03-23 1978-10-12 Mitsubishi Electric Corp Laser device for optical communication

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS583297A (en) * 1981-06-29 1983-01-10 Fujitsu Ltd Driving system for laser
JPS6068683A (en) * 1983-08-30 1985-04-19 Yokogawa Hewlett Packard Ltd Laser protecting circuit
JPH0348674B2 (en) * 1983-08-30 1991-07-25 Hewlett Packard Co
JPS62116570U (en) * 1986-01-16 1987-07-24
US5334826A (en) * 1991-05-10 1994-08-02 Fujitsu Limited Method and apparatus for extending and confirming the service life of semiconductor laser of bar code reader by detecting current increase corresponding to temperature of semiconductor laser

Also Published As

Publication number Publication date
GB2045516A (en) 1980-10-29
GB2045516B (en) 1983-03-16
FR2452807B3 (en) 1981-12-11
FR2452807A1 (en) 1980-10-24
DE2911858C2 (en) 1983-01-13
DE2911858A1 (en) 1980-10-02

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