NL113900C - - Google Patents

Info

Publication number: NL113900C
Authority: NL; Netherlands

Application number

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.)

1958-05-06

Publication of NL113900C publication Critical patent/NL113900C/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/33—Special shape of cross-section, e.g. for producing cool spot
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/045—Thermic screens or reflectors
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/10—Shields, screens, or guides for influencing the discharge
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/34—Double-wall vessels or containers
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
- H01J61/74—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of difficult vaporisable metal vapour, e.g. sodium

NL113900D 1958-05-06 NL113900C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB1447358A GB923961A (en)	1958-05-06	1958-05-06	Improvements relating to electric discharge lamps

Publications (1)

Publication Number	Publication Date
NL113900C true NL113900C (en)

Family

ID=10041822

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL113900D NL113900C (en)	1958-05-06
NL238974D NL238974A (en)	1958-05-06

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NL238974D NL238974A (en)	1958-05-06

Country Status (5)

Country	Link
CH (1)	CH374764A (en)
DE (1)	DE1211715B (en)
ES (1)	ES249153A1 (en)
GB (1)	GB923961A (en)
NL (2)	NL238974A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1246653A (en) *	1984-08-20	1988-12-13	William M. Keeffe	Low wattage metal halide lamp

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE613900C (en) *	1933-06-27	1935-05-28	Patra Patent Treuhand	Double-walled electric light tube
DE616073C (en) *	1933-06-27	1935-07-19	Patra Patent Treuhand	Double-walled, electric light tube
GB456531A (en) *	1935-05-10	1936-11-10	Gen Electric Co Ltd	Improvements in electric discharge devices
US2135480A (en) *	1936-08-26	1938-11-08	Birdseye Electric Company	Reflecting glow lamp
FR861799A (en) *	1938-11-26	1941-02-17	Lampes Sa	Improvements to light discharge devices
AT196504B (en) *	1954-12-14	1958-03-25	Gen Electric	Discharge lamp
FR1118195A (en) *	1955-01-24	1956-06-01		Differential tachometer
DE1736195U (en) *	1955-10-18	1956-12-20	Philips Nv	ELECTRIC DISCHARGE TUBE.

0
- NL NL113900D patent/NL113900C/xx active
- NL NL238974D patent/NL238974A/xx unknown
1958
- 1958-05-06 GB GB1447358A patent/GB923961A/en not_active Expired
1959
- 1959-05-05 ES ES0249153A patent/ES249153A1/en not_active Expired
- 1959-05-05 CH CH7289459A patent/CH374764A/en unknown
- 1959-05-06 DE DEA31986A patent/DE1211715B/en active Pending

Also Published As

Publication number	Publication date
GB923961A (en)	1963-04-18
DE1211715B (en)	1966-03-03
ES249153A1 (en)	1959-10-01
NL238974A (en)
CH374764A (en)	1964-01-31

Publication	Publication Date	Title
CS161826B2 (en)	1975-06-10
FR1230492A (en)	1960-09-15
AT221043B (en)	1962-04-25
FR1605530A (en)	1979-02-23
AT213908B (en)	1961-03-10
JPS367666Y1 (en)	1961-04-13
AT214270B (en)	1961-03-27
AT219868B (en)	1962-02-26
AT219815B (en)	1962-02-26
AT217982B (en)	1961-11-10
AT216803B (en)	1961-08-25
DE1048774B (en)
CS96704B5 (en)	1960-03-15
BE563683A (en)
BE558579A (en)
CH8076159A4 (en)	1962-11-30
LU37314A1 (en)
BE584789A (en)
BE582739A (en)
BE582384A (en)
BE580389A (en)
BE577265A (en)
BE576728A (en)
BE567217A (en)
NL238974A (en)