CA1003895A - Electric apparatus provided with at least two gas and/or vapour discharge lamps - Google Patents

Electric apparatus provided with at least two gas and/or vapour discharge lamps

Info

Publication number
CA1003895A
CA1003895A CA188,002A CA188002A CA1003895A CA 1003895 A CA1003895 A CA 1003895A CA 188002 A CA188002 A CA 188002A CA 1003895 A CA1003895 A CA 1003895A
Authority
CA
Canada
Prior art keywords
gas
apparatus provided
discharge lamps
electric apparatus
vapour discharge
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
Application number
CA188,002A
Other languages
English (en)
Other versions
CA188002S (fr
Inventor
Jan E. Van Der Werf
Jan Polman
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
Philips Gloeilampenfabrieken 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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1003895A publication Critical patent/CA1003895A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/16Circuit 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
    • H05B41/20Circuit 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 no starting switch
    • H05B41/23Circuit 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 no starting switch for lamps not having an auxiliary starting electrode
    • H05B41/232Circuit 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 no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps
CA188,002A 1972-12-15 1973-12-12 Electric apparatus provided with at least two gas and/or vapour discharge lamps Expired CA1003895A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7217052A NL7217052A (en(2012)) 1972-12-15 1972-12-15

Publications (1)

Publication Number Publication Date
CA1003895A true CA1003895A (en) 1977-01-18

Family

ID=19817551

Family Applications (1)

Application Number Title Priority Date Filing Date
CA188,002A Expired CA1003895A (en) 1972-12-15 1973-12-12 Electric apparatus provided with at least two gas and/or vapour discharge lamps

Country Status (9)

Country Link
JP (1) JPS4989360A (en(2012))
AT (1) AT348619B (en(2012))
AU (1) AU6349973A (en(2012))
BE (1) BE808601A (en(2012))
CA (1) CA1003895A (en(2012))
DE (1) DE2359014A1 (en(2012))
FR (1) FR2328379A7 (en(2012))
GB (1) GB1428517A (en(2012))
NL (1) NL7217052A (en(2012))

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2306810A (en) * 1995-10-20 1997-05-07 Central Research Lab Ltd Controlling the brightness of a glow discharge

Also Published As

Publication number Publication date
NL7217052A (en(2012)) 1974-06-18
ATA1040073A (de) 1978-07-15
JPS4989360A (en(2012)) 1974-08-27
AU6349973A (en) 1975-06-12
DE2359014A1 (de) 1974-06-27
GB1428517A (en) 1976-03-17
FR2328379A7 (fr) 1977-05-13
AT348619B (de) 1979-02-26
BE808601A (fr) 1974-06-13

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