CN1802880A - 用于数据传输的光输出调制 - Google Patents
用于数据传输的光输出调制 Download PDFInfo
- Publication number
- CN1802880A CN1802880A CNA2004800160081A CN200480016008A CN1802880A CN 1802880 A CN1802880 A CN 1802880A CN A2004800160081 A CNA2004800160081 A CN A2004800160081A CN 200480016008 A CN200480016008 A CN 200480016008A CN 1802880 A CN1802880 A CN 1802880A
- Authority
- CN
- China
- Prior art keywords
- drive signal
- pulse
- pulse width
- waveform
- width modulated
- 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
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Images
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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
- H05B41/2825—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a bridge converter in the final stage
- H05B41/2828—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a bridge converter in the final stage using control circuits for the switching elements
-
- 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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
-
- 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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
- H05B41/39—Controlling the intensity of light continuously
- H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
- H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
- H05B41/3927—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Optical Communication System (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US47722103P | 2003-06-10 | 2003-06-10 | |
US60/477,221 | 2003-06-10 | ||
PCT/IB2004/001842 WO2004110109A1 (en) | 2003-06-10 | 2004-06-03 | Light output modulation for data transmission |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1802880A true CN1802880A (zh) | 2006-07-12 |
CN1802880B CN1802880B (zh) | 2011-07-06 |
Family
ID=33511843
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2004800160081A Expired - Fee Related CN1802880B (zh) | 2003-06-10 | 2004-06-03 | 用于数据传输的光输出调制 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7456589B2 (zh) |
EP (1) | EP1637015B1 (zh) |
JP (1) | JP2006527558A (zh) |
CN (1) | CN1802880B (zh) |
WO (1) | WO2004110109A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102474942A (zh) * | 2009-06-30 | 2012-05-23 | 皇家飞利浦电子股份有限公司 | 用于驱动灯的方法和设备 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101395826B (zh) * | 2006-03-02 | 2012-04-11 | 皇家飞利浦电子股份有限公司 | 照明设备 |
US8013538B2 (en) | 2007-01-26 | 2011-09-06 | Integrated Illumination Systems, Inc. | TRI-light |
ATE540558T1 (de) * | 2007-09-26 | 2012-01-15 | Koninkl Philips Electronics Nv | Verfahren und vorrichtung zur datenübertragung mit hilfe einer lichtquelle |
EP2124510B1 (de) * | 2008-05-16 | 2013-01-02 | Infineon Technologies Austria AG | Verfahren zur Ansteuerung einer Leuchtstofflampe und Lampenvorschaltgerät |
US8255487B2 (en) * | 2008-05-16 | 2012-08-28 | Integrated Illumination Systems, Inc. | Systems and methods for communicating in a lighting network |
CA2765633A1 (en) | 2009-06-19 | 2010-12-23 | Koninklijke Philips Electronics N.V. | Illumination system and method |
DE102009055891A1 (de) | 2009-11-26 | 2011-06-09 | Siemens Aktiengesellschaft | Breitbandiger, hochlinearer LED-Verstärker mit hoher Ausgangsleistung in kompakter Bauform |
KR101560240B1 (ko) * | 2012-05-29 | 2015-10-14 | 엘지디스플레이 주식회사 | 백라이트 드라이버 및 그 구동 방법과 그를 이용한 액정 표시 장치 |
US20170140576A1 (en) * | 2015-11-12 | 2017-05-18 | Motorola Solutions, Inc. | Systems and methods for automated personnel identification |
US10665177B2 (en) * | 2017-11-30 | 2020-05-26 | Novatek Microelectronics Corp. | Circuit arrangement for controlling backlight source and operation method thereof |
US10692443B2 (en) * | 2017-11-30 | 2020-06-23 | Novatek Microelectronics Corp. | Synchronous backlight device and operation method thereof |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5583423A (en) * | 1993-11-22 | 1996-12-10 | Bangerter; Fred F. | Energy saving power control method |
KR100208803B1 (ko) * | 1995-11-10 | 1999-07-15 | 윤종용 | 전자 안정기 회로 |
US6333605B1 (en) * | 1999-11-02 | 2001-12-25 | Energy Savings, Inc. | Light modulating electronic ballast |
ATE259574T1 (de) * | 2000-06-15 | 2004-02-15 | Univ City Hong Kong | Dimmbares evg |
US6388398B1 (en) * | 2001-03-20 | 2002-05-14 | Koninklijke Philips Electronics N.V. | Mixed mode control for ballast circuit |
US6639368B2 (en) * | 2001-07-02 | 2003-10-28 | Koninklijke Philips Electronics N.V. | Programmable PWM module for controlling a ballast |
US6498441B1 (en) * | 2001-08-10 | 2002-12-24 | Koninklijke Philips Electronics N.V. | Method for coloring mixing of hid lamps operated at VHF frequencies using duty cycle modulation |
-
2004
- 2004-06-03 US US10/560,010 patent/US7456589B2/en active Active
- 2004-06-03 WO PCT/IB2004/001842 patent/WO2004110109A1/en active Application Filing
- 2004-06-03 CN CN2004800160081A patent/CN1802880B/zh not_active Expired - Fee Related
- 2004-06-03 EP EP04735929.4A patent/EP1637015B1/en not_active Expired - Lifetime
- 2004-06-03 JP JP2006516502A patent/JP2006527558A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102474942A (zh) * | 2009-06-30 | 2012-05-23 | 皇家飞利浦电子股份有限公司 | 用于驱动灯的方法和设备 |
CN102474942B (zh) * | 2009-06-30 | 2015-03-25 | 皇家飞利浦电子股份有限公司 | 用于驱动灯的方法和设备 |
Also Published As
Publication number | Publication date |
---|---|
CN1802880B (zh) | 2011-07-06 |
JP2006527558A (ja) | 2006-11-30 |
US20070057639A1 (en) | 2007-03-15 |
US7456589B2 (en) | 2008-11-25 |
EP1637015A1 (en) | 2006-03-22 |
EP1637015B1 (en) | 2014-12-03 |
WO2004110109A1 (en) | 2004-12-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: Holland Ian Deho Finn Patentee after: KONINKLIJKE PHILIPS N.V. Address before: Holland Ian Deho Finn Patentee before: Koninklijke Philips Electronics N.V. |
|
CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170307 Address after: Eindhoven Patentee after: KONINKLIJKE PHILIPS N.V. Address before: Holland Ian Deho Finn Patentee before: KONINKLIJKE PHILIPS N.V. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110706 Termination date: 20210603 |
|
CF01 | Termination of patent right due to non-payment of annual fee |