IT1095310B - Lampada a scarica in atmosfera di gas e/o vapore a bassa pressione - Google Patents

Lampada a scarica in atmosfera di gas e/o vapore a bassa pressione

Info

Publication number: IT1095310B
Authority: IT; Italy
Prior art keywords: steam; low pressure; discharge lamp; gas atmosphere; pressure discharge
Prior art date: 1977-04-27

Application number

IT22664/78A

Other languages

English (en)

Other versions

IT7822664A0 (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.)

1977-04-27

Filing date

1978-04-24

Publication date

1985-08-10

1978-04-24 Application filed by Philips Nv filed Critical Philips Nv

1978-04-24 Publication of IT7822664A0 publication Critical patent/IT7822664A0/it

1985-08-10 Application granted granted Critical

1985-08-10 Publication of IT1095310B publication Critical patent/IT1095310B/it

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—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
- H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
- H01J61/523—Heating or cooling particular parts of the lamp

IT22664/78A 1977-04-27 1978-04-24 Lampada a scarica in atmosfera di gas e/o vapore a bassa pressione IT1095310B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7704582A NL7704582A (nl)	1977-04-27	1977-04-27	Lagedrukgas- en/of dampontladingslamp.

Publications (2)

Publication Number	Publication Date
IT7822664A0 IT7822664A0 (it)	1978-04-24
IT1095310B true IT1095310B (it)	1985-08-10

Family

ID=19828444

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT22664/78A IT1095310B (it)	1977-04-27	1978-04-24	Lampada a scarica in atmosfera di gas e/o vapore a bassa pressione

Country Status (7)

Country	Link
JP (1)	JPS53135188A (it)
BE (1)	BE866348A (it)
DE (1)	DE2816368A1 (it)
FR (1)	FR2389230A1 (it)
GB (1)	GB1587988A (it)
IT (1)	IT1095310B (it)
NL (1)	NL7704582A (it)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB561282A (en) *	1942-11-24	1944-05-12	Siemens Electric Lamps & Suppl	Improvements relating to metal vapour electric discharge lamps

1977
- 1977-04-27 NL NL7704582A patent/NL7704582A/xx not_active Application Discontinuation
1978
- 1978-04-15 DE DE19782816368 patent/DE2816368A1/de not_active Withdrawn
- 1978-04-24 IT IT22664/78A patent/IT1095310B/it active
- 1978-04-24 JP JP4796678A patent/JPS53135188A/ja active Pending
- 1978-04-24 GB GB16081/78A patent/GB1587988A/en not_active Expired
- 1978-04-25 FR FR7812174A patent/FR2389230A1/fr active Granted
- 1978-04-25 BE BE187086A patent/BE866348A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
NL7704582A (nl)	1978-10-31
JPS53135188A (en)	1978-11-25
IT7822664A0 (it)	1978-04-24
GB1587988A (en)	1981-04-15
FR2389230B1 (it)	1982-03-26
BE866348A (fr)	1978-10-25
DE2816368A1 (de)	1978-11-02
FR2389230A1 (fr)	1978-11-24

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