DE29702280U1 - Energy saving device for fluorescent lamps - Google Patents

Energy saving device for fluorescent lamps

Info

Publication number
DE29702280U1
DE29702280U1 DE29702280U DE29702280U DE29702280U1 DE 29702280 U1 DE29702280 U1 DE 29702280U1 DE 29702280 U DE29702280 U DE 29702280U DE 29702280 U DE29702280 U DE 29702280U DE 29702280 U1 DE29702280 U1 DE 29702280U1
Authority
DE
Germany
Prior art keywords
energy saving
fluorescent lamps
saving device
lamps
fluorescent
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 - Lifetime
Application number
DE29702280U
Other languages
German (de)
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.)
HEMEAD ELSAYED DIPL ING DR
WIENSKOWSKI ELGIN VON
Original Assignee
HEMEAD ELSAYED DIPL ING DR
WIENSKOWSKI ELGIN VON
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 HEMEAD ELSAYED DIPL ING DR, WIENSKOWSKI ELGIN VON filed Critical HEMEAD ELSAYED DIPL ING DR
Priority to DE29702280U priority Critical patent/DE29702280U1/en
Publication of DE29702280U1 publication Critical patent/DE29702280U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
    • H05B41/18—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having a starting switch
DE29702280U 1996-07-09 1997-01-29 Energy saving device for fluorescent lamps Expired - Lifetime DE29702280U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29702280U DE29702280U1 (en) 1996-07-09 1997-01-29 Energy saving device for fluorescent lamps

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29612653 1996-07-09
DE29702280U DE29702280U1 (en) 1996-07-09 1997-01-29 Energy saving device for fluorescent lamps

Publications (1)

Publication Number Publication Date
DE29702280U1 true DE29702280U1 (en) 1997-04-10

Family

ID=8026780

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29702280U Expired - Lifetime DE29702280U1 (en) 1996-07-09 1997-01-29 Energy saving device for fluorescent lamps

Country Status (1)

Country Link
DE (1) DE29702280U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10035558A1 (en) * 2000-07-21 2002-02-07 Gerhard Liehr Changing AC mains voltage across incandescent, fluorescent or gas discharge lamps, involves open-circuiting low resistance bypass in parallel with choke

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10035558A1 (en) * 2000-07-21 2002-02-07 Gerhard Liehr Changing AC mains voltage across incandescent, fluorescent or gas discharge lamps, involves open-circuiting low resistance bypass in parallel with choke

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19970522

R079 Amendment of ipc main class

Free format text: PREVIOUS MAIN CLASS: H05B0041290000

Ipc: H05B0041392000

R150 Term of protection extended to 6 years

Effective date: 20001009

R157 Lapse of ip right after 6 years

Effective date: 20030801