DE69107276D1 - Konstantstrom-Schaltkreis für lichtemittierendes Element. - Google Patents
Konstantstrom-Schaltkreis für lichtemittierendes Element.Info
- Publication number
- DE69107276D1 DE69107276D1 DE69107276T DE69107276T DE69107276D1 DE 69107276 D1 DE69107276 D1 DE 69107276D1 DE 69107276 T DE69107276 T DE 69107276T DE 69107276 T DE69107276 T DE 69107276T DE 69107276 D1 DE69107276 D1 DE 69107276D1
- Authority
- DE
- Germany
- Prior art keywords
- light emitting
- emitting element
- constant current
- current circuit
- circuit
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/08—Regulating voltage or current wherein the variable is dc
- G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
- G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
- G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/22—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
- H03F3/08—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light
-
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
-
- 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]
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S323/00—Electricity: power supply or regulation systems
- Y10S323/902—Optical coupling to semiconductor
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Semiconductor Lasers (AREA)
- Led Devices (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2283207A JPH04157771A (ja) | 1990-10-20 | 1990-10-20 | 定電流回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69107276D1 true DE69107276D1 (de) | 1995-03-23 |
DE69107276T2 DE69107276T2 (de) | 1995-07-20 |
Family
ID=17662508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69107276T Expired - Fee Related DE69107276T2 (de) | 1990-10-20 | 1991-10-18 | Konstantstrom-Schaltkreis für lichtemittierendes Element. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5341086A (de) |
EP (1) | EP0482520B1 (de) |
JP (1) | JPH04157771A (de) |
DE (1) | DE69107276T2 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6064155A (en) * | 1998-05-04 | 2000-05-16 | Matsushita Electric Works Research And Development Labratory Inc | Compact fluorescent lamp as a retrofit for an incandescent lamp |
FR2799317B1 (fr) * | 1999-10-01 | 2001-12-14 | St Microelectronics Sa | Regulateur lineaire a selection de la tension de sortie |
DE10164561B4 (de) * | 2001-12-14 | 2004-03-04 | Siemens Ag | Schaltungsanordnung zum Betreiben eines LED-Signals |
US7706692B2 (en) * | 2004-09-29 | 2010-04-27 | Finisar Corporation | Consumer electronics with optical communication interface |
US7548675B2 (en) * | 2004-09-29 | 2009-06-16 | Finisar Corporation | Optical cables for consumer electronics |
TWM274702U (en) * | 2005-03-04 | 2005-09-01 | Sheng-He Chen | Voltage-dividing apparatus for prevention of power surge from laser diode |
JP4919621B2 (ja) * | 2005-06-24 | 2012-04-18 | 株式会社オーディオテクニカ | コンデンサーマイクロホン |
US7729618B2 (en) * | 2005-08-30 | 2010-06-01 | Finisar Corporation | Optical networks for consumer electronics |
US7860398B2 (en) * | 2005-09-15 | 2010-12-28 | Finisar Corporation | Laser drivers for closed path optical cables |
US7712976B2 (en) * | 2006-04-10 | 2010-05-11 | Finisar Corporation | Active optical cable with integrated retiming |
US7876989B2 (en) * | 2006-04-10 | 2011-01-25 | Finisar Corporation | Active optical cable with integrated power |
US8083417B2 (en) * | 2006-04-10 | 2011-12-27 | Finisar Corporation | Active optical cable electrical adaptor |
US7778510B2 (en) * | 2006-04-10 | 2010-08-17 | Finisar Corporation | Active optical cable electrical connector |
US8769171B2 (en) * | 2007-04-06 | 2014-07-01 | Finisar Corporation | Electrical device with electrical interface that is compatible with integrated optical cable receptacle |
US8244124B2 (en) | 2007-04-30 | 2012-08-14 | Finisar Corporation | Eye safety mechanism for use in optical cable with electrical interfaces |
DE102007044339B4 (de) * | 2007-09-17 | 2020-08-20 | Tridonic Gmbh & Co Kg | Leuchtdioden-Modul und Verfahren zur Steuerung eines Leuchtdioden-Moduls |
US7928719B2 (en) * | 2008-01-07 | 2011-04-19 | Shenzhen Sts Microelectronics Co., Ltd. | Zero current detector for a DC-DC converter |
US9320115B2 (en) * | 2010-11-30 | 2016-04-19 | The Sloan Company, Inc. | Power control unit |
EP2600694B1 (de) * | 2011-11-30 | 2013-11-20 | Vossloh-Schwabe Deutschland GmbH | LED-Treiberschaltung mit konstanter Stromsparbetriebsfläche |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2147944A1 (de) * | 1971-09-25 | 1973-03-29 | Bosch Fernsehanlagen | Schaltungsanordnung mit lumineszenzdiode |
US4011557A (en) * | 1973-08-23 | 1977-03-08 | Ebauches S.A. | Device in a time piece for feeding an electro-luminescent display |
US4017847A (en) * | 1975-11-14 | 1977-04-12 | Bell Telephone Laboratories, Incorporated | Luminous indicator with zero standby power |
JPS5847347A (ja) * | 1981-09-16 | 1983-03-19 | Nec Corp | レ−ザダイオ−ドの出力安定化回路 |
JPS58171140A (ja) * | 1982-04-01 | 1983-10-07 | Fujitsu Ltd | 定電流回路 |
JPS63305837A (ja) * | 1987-06-05 | 1988-12-13 | Katsuyuki Miyasaka | 電子機器 |
-
1990
- 1990-10-20 JP JP2283207A patent/JPH04157771A/ja active Pending
-
1991
- 1991-10-17 US US07/778,008 patent/US5341086A/en not_active Expired - Fee Related
- 1991-10-18 EP EP91117818A patent/EP0482520B1/de not_active Expired - Lifetime
- 1991-10-18 DE DE69107276T patent/DE69107276T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69107276T2 (de) | 1995-07-20 |
US5341086A (en) | 1994-08-23 |
EP0482520A1 (de) | 1992-04-29 |
JPH04157771A (ja) | 1992-05-29 |
EP0482520B1 (de) | 1995-02-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |