DE69518424D1 - Verschlüsselungsschaltung für Leuchtstofflampen - Google Patents

Verschlüsselungsschaltung für Leuchtstofflampen

Info

Publication number
DE69518424D1
DE69518424D1 DE69518424T DE69518424T DE69518424D1 DE 69518424 D1 DE69518424 D1 DE 69518424D1 DE 69518424 T DE69518424 T DE 69518424T DE 69518424 T DE69518424 T DE 69518424T DE 69518424 D1 DE69518424 D1 DE 69518424D1
Authority
DE
Germany
Prior art keywords
fluorescent lamps
encryption circuit
encryption
circuit
lamps
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
Application number
DE69518424T
Other languages
English (en)
Other versions
DE69518424T2 (de
Inventor
Veldhuizen Robert Henk Van
Leonardus G J Verhees
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69518424D1 publication Critical patent/DE69518424D1/de
Publication of DE69518424T2 publication Critical patent/DE69518424T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2855—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
DE69518424T 1995-10-18 1995-10-18 Verschlüsselungsschaltung für dimmbare Leuchtstofflampen Expired - Fee Related DE69518424T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95202816A EP0769855B1 (de) 1995-10-18 1995-10-18 Verschlüsselungsschaltung für Leuchtstofflampen

Publications (2)

Publication Number Publication Date
DE69518424D1 true DE69518424D1 (de) 2000-09-21
DE69518424T2 DE69518424T2 (de) 2001-03-08

Family

ID=8220731

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69518424T Expired - Fee Related DE69518424T2 (de) 1995-10-18 1995-10-18 Verschlüsselungsschaltung für dimmbare Leuchtstofflampen

Country Status (5)

Country Link
US (1) US5841238A (de)
EP (1) EP0769855B1 (de)
JP (1) JPH09129383A (de)
CN (1) CN1137605C (de)
DE (1) DE69518424T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003513455A (ja) * 1999-11-02 2003-04-08 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 印刷回路板
US6727661B2 (en) 2001-09-10 2004-04-27 Matsushita Electric Industrial Co., Ltd. Self-ballasted fluorescent lamp
JP4956020B2 (ja) * 2005-03-02 2012-06-20 パナソニック株式会社 点灯ユニット及び放電ランプ
DE102005018793A1 (de) 2005-04-22 2006-10-26 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektronisches Vorschaltgerät mit Phasendimmererkennung
US8618751B2 (en) 2009-12-30 2013-12-31 Leviton Manufacturing Co., Inc. Phase control with adaptive parameters
JP5477469B2 (ja) * 2010-07-06 2014-04-23 株式会社村田製作所 電子部品
US9370068B2 (en) 2011-12-16 2016-06-14 Leviton Manufacturing Company, Inc. Dimming and control arrangement and method for solid state lamps
US9681526B2 (en) 2014-06-11 2017-06-13 Leviton Manufacturing Co., Inc. Power efficient line synchronized dimmer
CN106159896A (zh) * 2016-06-12 2016-11-23 广州杰赛科技股份有限公司 一种输出过功率保护的方法及装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4466040A (en) * 1982-05-10 1984-08-14 The Singer Company Safety device
US4554487A (en) * 1983-05-17 1985-11-19 Nilssen Ole K Electronic fluorescent lamp ballast with overload protection
NL8400923A (nl) * 1984-03-23 1985-10-16 Philips Nv Elektrische inrichting voor het onsteken en voeden van een gas- en/of dampontladingsbuis.
NL8701314A (nl) * 1987-06-05 1989-01-02 Philips Nv Gelijkstroom-wisselstroom omzetter voor het onsteken en voeden van een gasontladingslamp.
FR2646538B1 (fr) * 1989-04-26 1991-08-23 Valeo Vision Dispositif d'eclairage de vehicule automobile comportant des moyens de protection contre les courts-circuits
DE3934577A1 (de) * 1989-10-17 1991-04-18 Philips Patentverwaltung Stromversorgungseinrichtung mit einschaltstrombegrenzungsschaltung
JP2587720B2 (ja) * 1990-10-19 1997-03-05 株式会社小糸製作所 車輌用放電灯の点灯回路
NL9301397A (nl) * 1993-08-12 1995-03-01 Cm Personnel Participation Bv Beveiligingsschakelinrichting ten behoeve van elektronische schakelinrichtingen in het algemeen en ten behoeve van een electronische voorschakelinrichting voor gasontladingsbuizen in het bijzonder.
US5461287A (en) * 1994-02-25 1995-10-24 Energy Savings, Inc. Booster driven inverter ballast employing the output from the inverter to trigger the booster
US5396155B1 (en) * 1994-06-28 1998-04-14 Energy Savings Inc Self-dimming electronic ballast

Also Published As

Publication number Publication date
EP0769855A1 (de) 1997-04-23
EP0769855B1 (de) 2000-08-16
DE69518424T2 (de) 2001-03-08
US5841238A (en) 1998-11-24
CN1137605C (zh) 2004-02-04
CN1157545A (zh) 1997-08-20
JPH09129383A (ja) 1997-05-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee