FR923028A - Improvements to discharge lamp circuits - Google Patents

Improvements to discharge lamp circuits

Info

Publication number: FR923028A
Authority: FR; France
Prior art keywords: discharge lamp; lamp circuits; circuits; discharge; lamp
Prior art date: 1941-08-22
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

Other languages

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.)

Compagnie des Lampes

Original Assignee

Compagnie des Lampes

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.)

1941-08-22

Filing date

1946-03-01

Publication date

1947-06-25

1946-03-01 Application filed by Compagnie des Lampes filed Critical Compagnie des Lampes

1947-06-25 Application granted granted Critical

1947-06-25 Publication of FR923028A publication Critical patent/FR923028A/en

Status Expired legal-status Critical Current

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
- H05B41/20—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 no starting switch
- H05B41/23—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 no starting switch for lamps not having an auxiliary starting electrode
- H05B41/232—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 no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps
- H05B41/2325—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 no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps provided with pre-heating electrodes

FR923028D 1941-08-22 1946-03-01 Improvements to discharge lamp circuits Expired FR923028A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB923028X		1941-08-22

Publications (1)

Publication Number	Publication Date
FR923028A true FR923028A (en)	1947-06-25

Family

ID=10727420

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR923028D Expired FR923028A (en)	1941-08-22	1946-03-01	Improvements to discharge lamp circuits

Country Status (1)

Country	Link
FR (1)	FR923028A (en)

1946
- 1946-03-01 FR FR923028D patent/FR923028A/en not_active Expired

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