NL165885C - LOW PRESSURE SODIUM VAPOR DISCHARGE LAMP. - Google Patents

LOW PRESSURE SODIUM VAPOR DISCHARGE LAMP.

Info

Publication number
NL165885C
NL165885C NL7002894.A NL7002894A NL165885C NL 165885 C NL165885 C NL 165885C NL 7002894 A NL7002894 A NL 7002894A NL 165885 C NL165885 C NL 165885C
Authority
NL
Netherlands
Prior art keywords
low pressure
discharge lamp
vapor discharge
pressure sodium
sodium vapor
Prior art date
Application number
NL7002894.A
Other languages
Dutch (nl)
Other versions
NL7002894A (en
NL165885B (en
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.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Priority to NL7002894.A priority Critical patent/NL165885C/en
Priority to BE749235D priority patent/BE749235A/en
Priority to FR7014805A priority patent/FR2080287A5/fr
Priority to GB26828/70A priority patent/GB1243000A/en
Priority to DE2027265A priority patent/DE2027265C3/en
Priority to JP45049234A priority patent/JPS4942396B1/ja
Priority to US48045A priority patent/US3646378A/en
Publication of NL7002894A publication Critical patent/NL7002894A/xx
Publication of NL165885B publication Critical patent/NL165885B/en
Application granted granted Critical
Publication of NL165885C publication Critical patent/NL165885C/en

Links

Classifications

    • 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
    • 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
NL7002894.A 1970-02-28 1970-02-28 LOW PRESSURE SODIUM VAPOR DISCHARGE LAMP. NL165885C (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL7002894.A NL165885C (en) 1970-02-28 1970-02-28 LOW PRESSURE SODIUM VAPOR DISCHARGE LAMP.
BE749235D BE749235A (en) 1970-02-28 1970-04-20 LOW PRESSURE SODIUM VAPOR DISCHARGE LAMP
FR7014805A FR2080287A5 (en) 1970-02-28 1970-04-23
GB26828/70A GB1243000A (en) 1970-02-28 1970-06-03 Low-pressure sodium vapour discharge lamp
DE2027265A DE2027265C3 (en) 1970-02-28 1970-06-03 Low pressure sodium vapor discharge lamp
JP45049234A JPS4942396B1 (en) 1970-02-28 1970-06-09
US48045A US3646378A (en) 1970-02-28 1970-06-22 Low-pressure sodium vapor discharge lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7002894.A NL165885C (en) 1970-02-28 1970-02-28 LOW PRESSURE SODIUM VAPOR DISCHARGE LAMP.

Publications (3)

Publication Number Publication Date
NL7002894A NL7002894A (en) 1971-08-31
NL165885B NL165885B (en) 1980-12-15
NL165885C true NL165885C (en) 1981-05-15

Family

ID=19809463

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7002894.A NL165885C (en) 1970-02-28 1970-02-28 LOW PRESSURE SODIUM VAPOR DISCHARGE LAMP.

Country Status (7)

Country Link
US (1) US3646378A (en)
JP (1) JPS4942396B1 (en)
BE (1) BE749235A (en)
DE (1) DE2027265C3 (en)
FR (1) FR2080287A5 (en)
GB (1) GB1243000A (en)
NL (1) NL165885C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4731560A (en) * 1970-08-06 1988-03-15 Owens-Illinois Television Products, Inc. Multiple gaseous discharge display/memory panel having improved operating life
US4794308A (en) * 1970-08-06 1988-12-27 Owens-Illinois Television Products Inc. Multiple gaseous discharge display/memory panel having improved operating life
US4028578A (en) * 1973-02-16 1977-06-07 Owens-Illinois, Inc. Gas discharge dielectric containing a source of boron, gallium, indium, or thallium
US4080545A (en) * 1976-12-27 1978-03-21 Xerox Corporation Sodium vapor lamp with emission aperture

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB817100A (en) * 1955-12-22 1959-07-22 Gen Electric Co Ltd Improvements in or relating to electric discharge lamps
FR1158700A (en) * 1955-10-18 1958-06-18 Philips Nv Discharge tube, especially in sodium vapor and gas filled

Also Published As

Publication number Publication date
BE749235A (en) 1970-10-20
FR2080287A5 (en) 1971-11-12
GB1243000A (en) 1971-08-18
DE2027265A1 (en) 1971-12-02
NL7002894A (en) 1971-08-31
DE2027265C3 (en) 1978-12-14
DE2027265B2 (en) 1978-04-20
JPS4942396B1 (en) 1974-11-14
US3646378A (en) 1972-02-29
NL165885B (en) 1980-12-15

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee