IT1088175B - LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP - Google Patents

LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP

Info

Publication number: IT1088175B
Authority: IT; Italy
Prior art keywords: low pressure; discharge lamp; pressure mercury; mercury vapor; vapor discharge
Prior art date: 1976-11-02

Application number

IT2923277A

Other languages

Italian (it)

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.)

1976-11-02

Filing date

1977-10-31

Publication date

1985-06-10

1977-10-31 Application filed by Philips Nv filed Critical Philips Nv

1985-06-10 Application granted granted Critical

1985-06-10 Publication of IT1088175B publication Critical patent/IT1088175B/en

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
- H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury

IT2923277A 1976-11-02 1977-10-31 LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP IT1088175B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7612158A NL7612158A (en)	1976-11-02	1976-11-02	LOW-PRESSURE MERCURY DISCHARGE LAMP.

Publications (1)

Publication Number	Publication Date
IT1088175B true IT1088175B (en)	1985-06-10

Family

ID=19827158

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT2923277A IT1088175B (en)	1976-11-02	1977-10-31	LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP

Country Status (9)

Country	Link
JP (1)	JPS5358176A (en)
BE (1)	BE860369A (en)
BR (1)	BR7707264A (en)
DE (1)	DE2747259C2 (en)
ES (1)	ES463748A1 (en)
FR (1)	FR2369680A1 (en)
GB (1)	GB1565129A (en)
IT (1)	IT1088175B (en)
NL (1)	NL7612158A (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3449258A (en) *	1965-07-22	1969-06-10	Westinghouse Electric Corp	Method for preparing europium activated yttrium oxide and gadolinium oxide phosphors
CA971214A (en) *	1971-11-12	1975-07-15	Matsushita Electronics Corporation	Fluorescent tube for lamp
NL164697C (en) *	1973-10-05	1981-01-15	Philips Nv	LOW-PRESSURE MERCURY DISCHARGE LAMP.

1976
- 1976-11-02 NL NL7612158A patent/NL7612158A/en active Search and Examination
1977
- 1977-10-21 DE DE19772747259 patent/DE2747259C2/en not_active Expired
- 1977-10-28 GB GB4500877A patent/GB1565129A/en not_active Expired
- 1977-10-31 BR BR7707264A patent/BR7707264A/en unknown
- 1977-10-31 JP JP12982177A patent/JPS5358176A/en active Pending
- 1977-10-31 ES ES463748A patent/ES463748A1/en not_active Expired
- 1977-10-31 IT IT2923277A patent/IT1088175B/en active
- 1977-10-31 BE BE182259A patent/BE860369A/en unknown
- 1977-11-02 FR FR7732889A patent/FR2369680A1/en active Granted

Also Published As

Publication number	Publication date
DE2747259A1 (en)	1978-05-03
NL7612158A (en)	1978-05-05
BE860369A (en)	1978-05-02
FR2369680B1 (en)	1982-10-15
ES463748A1 (en)	1978-06-16
GB1565129A (en)	1980-04-16
DE2747259C2 (en)	1982-10-07
FR2369680A1 (en)	1978-05-26
JPS5358176A (en)	1978-05-25
BR7707264A (en)	1978-07-18

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