IT7830353A0 - Lampada a scarica, a vapori disodio, ad alta pressione. - Google Patents

Lampada a scarica, a vapori disodio, ad alta pressione.

Info

Publication number: IT7830353A0
Authority: IT; Italy
Prior art keywords: disodium; vapor; high pressure; discharge lamp; pressure discharge
Prior art date: 1977-12-02

Application number

IT7830353A

Other languages

English (en)

Other versions

IT1100406B (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.)

1977-12-02

Filing date

1978-11-29

Publication date

1978-11-29

1978-11-29 Application filed by Philips Nv filed Critical Philips Nv

1978-11-29 Publication of IT7830353A0 publication Critical patent/IT7830353A0/it

1985-09-28 Application granted granted Critical

1985-09-28 Publication of IT1100406B publication Critical patent/IT1100406B/it

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/14—Solid thermionic cathodes characterised by the material
- 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
- H01J61/06—Main electrodes
- H01J61/073—Main electrodes for high-pressure discharge lamps
- H01J61/0735—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode
- H01J61/0737—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material

IT30353/78A 1977-12-02 1978-11-29 Lampada a scarica,a vapori di sodio,ad alta pressione IT1100406B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NLAANVRAGE7713348,A NL177455C (nl)	1977-12-02	1977-12-02	Hogedrukmetaaldampontladingslamp.

Publications (2)

Publication Number	Publication Date
IT7830353A0 true IT7830353A0 (it)	1978-11-29
IT1100406B IT1100406B (it)	1985-09-28

Family

ID=19829677

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT30353/78A IT1100406B (it)	1977-12-02	1978-11-29	Lampada a scarica,a vapori di sodio,ad alta pressione

Country Status (11)

Country	Link
US (1)	US4420708A (it)
JP (1)	JPS5485576A (it)
BE (1)	BE872450A (it)
CA (1)	CA1121854A (it)
DE (1)	DE2851347C3 (it)
ES (1)	ES475553A1 (it)
FR (1)	FR2410877A1 (it)
GB (1)	GB2012104B (it)
HU (1)	HU179568B (it)
IT (1)	IT1100406B (it)
NL (1)	NL177455C (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL175770C (nl) *	1978-10-06	1984-12-17	Philips Nv	Hogedruknatriumdampontladingslamp.
NL8000326A (nl) *	1979-05-28	1980-12-02	Philips Nv	Hogedruknatriumdampontladingslamp.
NL185478C (nl) *	1980-09-05	1990-04-17	Philips Nv	Hogedruknatriumdampontladingslamp.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA728769A (en) *		1966-02-22	Antonis Basil	Thermionic cathodes
JPS4935579B1 (it) *	1968-06-27	1974-09-24
US3708710A (en) *	1970-12-14	1973-01-02	Gen Electric	Discharge lamp thermoionic cathode containing emission material
JPS541110B2 (it) *	1973-11-30	1979-01-20
JPS5124085A (ja) *	1974-08-21	1976-02-26	Mitsubishi Electric Corp	Hodentoyodenkyoku
JPS5842587B2 (ja) *	1975-01-27	1983-09-20	三菱電機株式会社	ホウデントウヨウデンキヨク
NL175771B (nl) *	1975-06-20	1984-07-16	Philips Nv	Hogedrukgasontladingslamp en een werkwijze voor de vervaardiging hiervan.
US4152620A (en) *	1978-06-29	1979-05-01	Westinghouse Electric Corp.	High intensity vapor discharge lamp with sintering aids for electrode emission materials

1977
- 1977-12-02 NL NLAANVRAGE7713348,A patent/NL177455C/xx not_active IP Right Cessation
1978
- 1978-10-31 CA CA000315185A patent/CA1121854A/en not_active Expired
- 1978-11-28 DE DE2851347A patent/DE2851347C3/de not_active Expired
- 1978-11-29 HU HU78PI651A patent/HU179568B/hu unknown
- 1978-11-29 IT IT30353/78A patent/IT1100406B/it active
- 1978-11-29 GB GB7846455A patent/GB2012104B/en not_active Expired
- 1978-11-30 BE BE192083A patent/BE872450A/xx not_active IP Right Cessation
- 1978-11-30 ES ES475553A patent/ES475553A1/es not_active Expired
- 1978-12-01 JP JP14800478A patent/JPS5485576A/ja active Pending
- 1978-12-01 FR FR7833978A patent/FR2410877A1/fr active Granted
1980
- 1980-08-28 US US06/182,192 patent/US4420708A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
GB2012104B (en)	1982-04-21
BE872450A (fr)	1979-05-30
FR2410877B1 (it)	1984-01-20
US4420708A (en)	1983-12-13
NL177455B (nl)	1985-04-16
DE2851347C3 (de)	1981-06-04
IT1100406B (it)	1985-09-28
CA1121854A (en)	1982-04-13
JPS5485576A (en)	1979-07-07
ES475553A1 (es)	1979-04-01
DE2851347A1 (de)	1979-06-07
FR2410877A1 (fr)	1979-06-29
DE2851347B2 (de)	1980-07-03
HU179568B (en)	1982-11-29
GB2012104A (en)	1979-07-18
NL7713348A (nl)	1979-06-06
NL177455C (nl)	1985-09-16

Similar Documents

Publication	Publication Date	Title
IT7920336A0 (it)	1979-02-19	Lampada a scarica, a vapori disodio, ad alta pressione.
IT7826903A0 (it)	1978-08-21	Lampada a scarica, a vapori di mercurio, a bassa pressione.
NL7802992A (nl)	1978-10-02	Hogedruk-kwikdampontladingslamp.
NL187552C (nl)	1991-11-01	Miniatuur hogedruk metaaldampontladingslamp.
IT7822249A0 (it)	1978-04-12	Lampada a scarica, a vapore disodio, ad alta pressione.
IT7825361A0 (it)	1978-07-05	Lampada a scarica in vapori metallici ad alta pressione di rendimento migliorato.
IT7831064A0 (it)	1978-12-20	Lampada a scarica, ad alta pressione.
IT7867674A0 (it)	1978-03-24	Lampada a scarica nei vapori di mercurio ad alta pressione
IT7826851A0 (it)	1978-08-18	Lampada a scarica, a vapori di mercurio a bassa pressione.
IT8020133A0 (it)	1980-02-22	Lampada a scarica, a vapori di mercurio, ad alta pressione
NL184032B (nl)	1988-10-17	Hogedruknatriumdampontladingslamp.
IT1085397B (it)	1985-05-28	Lampada a scarica,ad alta pressione
IT7826902A0 (it)	1978-08-21	Lampada a scarica, a vapori di mercurio, a bassa pressione.
IT1085446B (it)	1985-05-28	Lampada a scarica,ad alta pressione
NL181764C (nl)	1987-10-16	Hogedrukmetaaldampontladingslamp.
IT7822252A0 (it)	1978-04-12	Lampada a scarica, a vapore disodio, ad alta pressione.
NL7703705A (nl)	1977-10-11	Hogedrukkwikdamp-ontladingslamp.
IT8022304A0 (it)	1980-05-23	Lampada a scarica, a vapori disodio, ad alta pressione.
IT7829421A0 (it)	1978-11-03	Lampada a scarica ad alta pressione.
IT7920104A0 (it)	1979-02-09	Lampada a scarica, a vapori disodio, a bassa pressione.
IT7941597A0 (it)	1979-07-10	Lampada colorata a vapori di sodio ad alta pressione.
IT7830353A0 (it)	1978-11-29	Lampada a scarica, a vapori disodio, ad alta pressione.
IT1088601B (it)	1985-06-10	Lampada a scarica,a vapori di sodio,a bassa pressione
IT7926248A0 (it)	1979-10-03	Lampada a scarica a vapori di sodio ad alta pressione.
IT1085447B (it)	1985-05-28	Lampada a scarica,ad alta pressione