DE2358814A1 - Lumineszierender festkoerper-zustandsanzeiger - Google Patents

Lumineszierender festkoerper-zustandsanzeiger

Info

Publication number
DE2358814A1
DE2358814A1 DE2358814A DE2358814A DE2358814A1 DE 2358814 A1 DE2358814 A1 DE 2358814A1 DE 2358814 A DE2358814 A DE 2358814A DE 2358814 A DE2358814 A DE 2358814A DE 2358814 A1 DE2358814 A1 DE 2358814A1
Authority
DE
Germany
Prior art keywords
light
diode
emitting diode
light emitting
terminal
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.)
Ceased
Application number
DE2358814A
Other languages
German (de)
English (en)
Inventor
Magnus George Craford
David Lee Keune
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.)
Monsanto Co
Original Assignee
Monsanto Co
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 Monsanto Co filed Critical Monsanto Co
Publication of DE2358814A1 publication Critical patent/DE2358814A1/de
Ceased legal-status Critical Current

Links

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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits

Landscapes

  • Audible And Visible Signals (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Control Of El Displays (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
DE2358814A 1973-09-28 1973-11-26 Lumineszierender festkoerper-zustandsanzeiger Ceased DE2358814A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US401775A US3873979A (en) 1973-09-28 1973-09-28 Luminescent solid state status indicator

Publications (1)

Publication Number Publication Date
DE2358814A1 true DE2358814A1 (de) 1975-04-10

Family

ID=23589183

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2358814A Ceased DE2358814A1 (de) 1973-09-28 1973-11-26 Lumineszierender festkoerper-zustandsanzeiger

Country Status (6)

Country Link
US (1) US3873979A (enExample)
JP (1) JPS57505B2 (enExample)
BE (1) BE807678A (enExample)
CA (1) CA1001289A (enExample)
DE (1) DE2358814A1 (enExample)
GB (1) GB1437098A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3912204A1 (de) * 1989-04-08 1990-10-11 Siegfried Kwasny Batteriebetriebene warnleuchte

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3987401A (en) * 1974-12-31 1976-10-19 Motorola, Inc. Indicating system using multicolor light emitting diodes
FR2317774A1 (fr) * 1975-07-08 1977-02-04 Radiotechnique Compelec Ensemble monolithique semiconducteur polychrome
US4035681A (en) * 1975-12-22 1977-07-12 Savage John Jun Polygonal lens
DE2613647C3 (de) * 1976-03-31 1981-08-27 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Ansteuerschaltung
JPS54139045A (en) * 1978-04-20 1979-10-29 Kazunari Katayama Power supply checker
US4388589A (en) * 1980-06-23 1983-06-14 Molldrem Jr Bernhard P Color-emitting DC level indicator
JPS57171835A (en) * 1981-04-16 1982-10-22 Mitsubishi Electric Corp Power-on indicator of time switch
JPS57199390U (enExample) * 1981-06-15 1982-12-17
US4617562A (en) * 1983-04-11 1986-10-14 Klotz Dell E Multicolored liquid crystal display
US4924177A (en) * 1983-04-29 1990-05-08 Mulz Robert H Tester for solid state electronic components
US4550287A (en) * 1983-08-11 1985-10-29 The Boeing Company Data bus test instrument having a tri-colored LED and indicating continuity, voltage and polarity
JPH0723987B2 (ja) * 1984-02-24 1995-03-15 財団法人日本交通管理技術協会 情報表示装置
FR2584520B1 (fr) * 1985-07-03 1990-06-08 Sayag Electronic Dispositif d'affichage comportant un reseau matriciel de sources lumineuses
US6310590B1 (en) 1986-01-15 2001-10-30 Texas Digital Systems, Inc. Method for continuously controlling color of display device
US5122733A (en) 1986-01-15 1992-06-16 Karel Havel Variable color digital multimeter
US5194854A (en) * 1986-01-15 1993-03-16 Karel Havel Multicolor logic device
US5561365A (en) 1986-07-07 1996-10-01 Karel Havel Digital color display system
US4764759A (en) * 1986-10-07 1988-08-16 Cincinnati Milacron Inc. Open circuit detector for differential encoder feedback
US4947161A (en) * 1986-11-17 1990-08-07 White Consolidated Industries, Inc. Light bar
US4812744A (en) * 1986-12-24 1989-03-14 Karel Havel Variable color analog voltmeter
US5017837A (en) * 1987-12-11 1991-05-21 Lutron Electronics Co., Inc. Indicator lamp system
US4929936A (en) * 1988-03-21 1990-05-29 Home Security Systems, Inc. LED illuminated sign
US4903530A (en) * 1988-12-08 1990-02-27 Hull Harold L Liquid level sensing system
DE3904657A1 (de) * 1989-02-16 1990-08-23 Vdo Schindling Zeigerinstrument
DE3904656A1 (de) * 1989-02-16 1990-08-23 Vdo Schindling Zeigerinstrument
CA1321571C (en) * 1989-05-24 1993-08-24 Robert Mackenzie Portable safety device for attracting visual attention
US5319359A (en) * 1992-04-10 1994-06-07 Sony Electronics Inc. Cross fade indicators
US5453731A (en) * 1993-11-22 1995-09-26 Chrysler Corporation Automotive switch lighted with integral diodes
US6414662B1 (en) 1999-10-12 2002-07-02 Texas Digital Systems, Inc. Variable color complementary display device using anti-parallel light emitting diodes
US6304060B1 (en) * 2000-02-22 2001-10-16 James U. Dernehl Status indicator for battery charger
DE10138182B4 (de) * 2001-08-03 2007-08-09 Siemens Ag Bedienelement für Kraftfahrzeuge
US7506996B2 (en) * 2004-01-22 2009-03-24 Continental Automotive Systems Us, Inc. Illuminated display having two single-colored light sources
EP1948997A4 (en) * 2005-09-26 2014-05-21 Neoz Pty Ltd LAMP SYSTEM, ESPECIALLY FOR WIRELESS LAMPS
US9453808B2 (en) * 2011-02-16 2016-09-27 Shenzhen DiKai Industrial Co., Ltd. Multi-functional precious stone testing apparatus and method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3611069A (en) * 1969-11-12 1971-10-05 Gen Electric Multiple color light emitting diodes
US3603833A (en) * 1970-02-16 1971-09-07 Bell Telephone Labor Inc Electroluminescent junction semiconductor with controllable combination colors
US3740570A (en) * 1971-09-27 1973-06-19 Litton Systems Inc Driving circuits for light emitting diodes
JPS5618993B2 (enExample) * 1972-07-12 1981-05-02

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3912204A1 (de) * 1989-04-08 1990-10-11 Siegfried Kwasny Batteriebetriebene warnleuchte

Also Published As

Publication number Publication date
GB1437098A (en) 1976-05-26
JPS57505B2 (enExample) 1982-01-06
US3873979A (en) 1975-03-25
JPS5062398A (enExample) 1975-05-28
BE807678A (fr) 1974-05-22
CA1001289A (en) 1976-12-07

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Legal Events

Date Code Title Description
OD Request for examination
8131 Rejection