CA2544774A1 - Alimentation et circuit de protection de lampe - Google Patents

Alimentation et circuit de protection de lampe Download PDF

Info

Publication number
CA2544774A1
CA2544774A1 CA002544774A CA2544774A CA2544774A1 CA 2544774 A1 CA2544774 A1 CA 2544774A1 CA 002544774 A CA002544774 A CA 002544774A CA 2544774 A CA2544774 A CA 2544774A CA 2544774 A1 CA2544774 A1 CA 2544774A1
Authority
CA
Canada
Prior art keywords
voltage
signal
module
power supply
load
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.)
Abandoned
Application number
CA002544774A
Other languages
English (en)
Inventor
James Lee
Kevin Chlebek
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.)
Marketing Displays Inc
Original Assignee
Marketing Displays Inc
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
Priority claimed from US11/409,477 external-priority patent/US20070247087A1/en
Application filed by Marketing Displays Inc filed Critical Marketing Displays Inc
Publication of CA2544774A1 publication Critical patent/CA2544774A1/fr
Abandoned 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
CA002544774A 2005-04-22 2006-04-24 Alimentation et circuit de protection de lampe Abandoned CA2544774A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US67417305P 2005-04-22 2005-04-22
US60/674,173 2005-04-22
US11/409,477 US20070247087A1 (en) 2006-04-21 2006-04-21 Lamp power supply and protection circuit
US11/409,477 2006-04-24

Publications (1)

Publication Number Publication Date
CA2544774A1 true CA2544774A1 (fr) 2006-10-22

Family

ID=37193958

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002544774A Abandoned CA2544774A1 (fr) 2005-04-22 2006-04-24 Alimentation et circuit de protection de lampe

Country Status (1)

Country Link
CA (1) CA2544774A1 (fr)

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued