EP1721371A4 - A laser driver circuit for reducing electromagnetic interference - Google Patents
A laser driver circuit for reducing electromagnetic interferenceInfo
- Publication number
- EP1721371A4 EP1721371A4 EP05724481.6A EP05724481A EP1721371A4 EP 1721371 A4 EP1721371 A4 EP 1721371A4 EP 05724481 A EP05724481 A EP 05724481A EP 1721371 A4 EP1721371 A4 EP 1721371A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- driver circuit
- electromagnetic interference
- laser driver
- reducing electromagnetic
- reducing
- 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.)
- Withdrawn
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
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Amplifiers (AREA)
- Semiconductor Lasers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US55051804P | 2004-03-05 | 2004-03-05 | |
US11/071,714 US7184452B2 (en) | 2004-03-05 | 2005-03-03 | Laser driver circuit for reducing electromagnetic interference |
PCT/US2005/006943 WO2005091957A2 (en) | 2004-03-05 | 2005-03-04 | A laser driver circuit for reducing electromagnetic interference |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1721371A2 EP1721371A2 (en) | 2006-11-15 |
EP1721371A4 true EP1721371A4 (en) | 2014-12-03 |
Family
ID=35056702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05724481.6A Withdrawn EP1721371A4 (en) | 2004-03-05 | 2005-03-04 | A laser driver circuit for reducing electromagnetic interference |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1721371A4 (en) |
WO (1) | WO2005091957A2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104467710B (en) * | 2013-09-12 | 2018-05-04 | 意法半导体研发(深圳)有限公司 | The method and circuit of POP noises are removed in audio frequency apparatus |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5191234A (en) * | 1990-12-10 | 1993-03-02 | Sony Corporation | Pulse signal generator and cascode differential amplifier |
US5430749A (en) * | 1993-12-01 | 1995-07-04 | Fujitsu Limited | Laser diode driving circuit |
WO1999001914A2 (en) * | 1997-07-03 | 1999-01-14 | Maxim Integrated Products, Inc. | High speed semiconductor laser driver circuits |
JPH1174567A (en) * | 1997-08-29 | 1999-03-16 | Sharp Corp | Light emitting diode drive circuit |
US6373346B1 (en) * | 2000-11-27 | 2002-04-16 | Sirenza Microdevices, Inc. | Laser driver pre-emphasis and de-emphasis method and/or architecture with tuning and duty cycle control |
US20020181520A1 (en) * | 1998-11-02 | 2002-12-05 | Akiyoshi Iguchi | Semiconductor laser driving circuit |
US20030107333A1 (en) * | 2001-12-11 | 2003-06-12 | Takayuki Shimizu | Driving circuit for light emitting element, and optical communication device using same |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6218870B1 (en) * | 1999-09-01 | 2001-04-17 | Agilent Technologies, Inc. | Anti-glitch system and method for laser interferometers using frequency dependent hysteresis |
-
2005
- 2005-03-04 WO PCT/US2005/006943 patent/WO2005091957A2/en active Application Filing
- 2005-03-04 EP EP05724481.6A patent/EP1721371A4/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5191234A (en) * | 1990-12-10 | 1993-03-02 | Sony Corporation | Pulse signal generator and cascode differential amplifier |
US5430749A (en) * | 1993-12-01 | 1995-07-04 | Fujitsu Limited | Laser diode driving circuit |
WO1999001914A2 (en) * | 1997-07-03 | 1999-01-14 | Maxim Integrated Products, Inc. | High speed semiconductor laser driver circuits |
JPH1174567A (en) * | 1997-08-29 | 1999-03-16 | Sharp Corp | Light emitting diode drive circuit |
US20020181520A1 (en) * | 1998-11-02 | 2002-12-05 | Akiyoshi Iguchi | Semiconductor laser driving circuit |
US6373346B1 (en) * | 2000-11-27 | 2002-04-16 | Sirenza Microdevices, Inc. | Laser driver pre-emphasis and de-emphasis method and/or architecture with tuning and duty cycle control |
US20030107333A1 (en) * | 2001-12-11 | 2003-06-12 | Takayuki Shimizu | Driving circuit for light emitting element, and optical communication device using same |
Also Published As
Publication number | Publication date |
---|---|
WO2005091957A3 (en) | 2006-10-05 |
WO2005091957A2 (en) | 2005-10-06 |
EP1721371A2 (en) | 2006-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20060920 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA HR LV MK YU |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20141105 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H01S 5/042 20060101AFI20141030BHEP |
|
17Q | First examination report despatched |
Effective date: 20180615 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20181026 |