FR757772A - Lighting installation - Google Patents

Lighting installation

Info

Publication number: FR757772A
Authority: FR; France
Prior art keywords: lighting installation; lighting; installation
Prior art date: 1932-07-02
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.)

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.)

1932-07-02

Filing date

1933-06-29

Publication date

1934-01-04

1933-06-29 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1934-01-04 Application granted granted Critical

1934-01-04 Publication of FR757772A publication Critical patent/FR757772A/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
- H05B41/46—Circuits providing for substitution in case of failure of the lamp

FR757772D 1932-07-02 1933-06-29 Lighting installation Expired FR757772A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL757772X		1932-07-02

Publications (1)

Publication Number	Publication Date
FR757772A true FR757772A (en)	1934-01-04

Family

ID=19825329

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR757772D Expired FR757772A (en)	1932-07-02	1933-06-29	Lighting installation

Country Status (1)

Country	Link
FR (1)	FR757772A (en)

1933
- 1933-06-29 FR FR757772D patent/FR757772A/en not_active Expired

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