CH205008A - Electric high pressure metal halide lamp. - Google Patents

Electric high pressure metal halide lamp.

Info

Publication number: CH205008A
Authority: CH; Switzerland
Prior art keywords: high pressure; metal halide; halide lamp; pressure metal; electric high
Prior art date: 1937-07-20

Application number

Other languages

German (de)

Inventor

Gloeilampenfabrieken N Philips

Original Assignee

Philips 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.)

1937-07-20

Filing date

1938-07-19

Publication date

1939-05-31

1938-07-19 Application filed by Philips Nv filed Critical Philips Nv

1939-05-31 Publication of CH205008A publication Critical patent/CH205008A/en

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
- H01J61/28—Means for producing, introducing, or replenishing gas or vapour during operation of the lamp

CH205008D 1937-07-20 1938-07-19 Electric high pressure metal halide lamp. CH205008A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE205008X		1937-07-20

Publications (1)

Publication Number	Publication Date
CH205008A true CH205008A (en)	1939-05-31

Family

ID=5784890

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH205008D CH205008A (en)	1937-07-20	1938-07-19	Electric high pressure metal halide lamp.

Country Status (4)

Country	Link
BE (1)	BE429242A (en)
CH (1)	CH205008A (en)
FR (1)	FR840825A (en)
GB (1)	GB494832A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
HU191673B (en) *	1984-06-12	1987-03-30	Tungsram Reszvenytarsasag	High-pressure sodium lamp with improved colour response

0
- BE BE429242D patent/BE429242A/xx unknown
1938
- 1938-07-18 GB GB21309/38A patent/GB494832A/en not_active Expired
- 1938-07-19 FR FR840825D patent/FR840825A/en not_active Expired
- 1938-07-19 CH CH205008D patent/CH205008A/en unknown

Also Published As

Publication number	Publication date
BE429242A (en)
GB494832A (en)	1938-11-01
FR840825A (en)	1939-05-04

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