ES176810A1 - IMPROVEMENTS IN CATHODES FOR ELECTRONIC DISCHARGE DEVICES - Google Patents

IMPROVEMENTS IN CATHODES FOR ELECTRONIC DISCHARGE DEVICES

Info

Publication number: ES176810A1
Authority: ES; Spain
Prior art keywords: cathodes; discharge devices; electronic discharge; electronic; devices
Prior art date: 1945-08-30
Legal status (The legal status 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 status listed.): Expired

Application number

ES176810A

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

ESTANDAR ELECTRICA S A

Original Assignee

ESTANDAR ELECTRICA S A

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.)

1945-08-30

Filing date

1947-02-15

Publication date

1947-03-16

1947-02-15 Application filed by ESTANDAR ELECTRICA S A filed Critical ESTANDAR ELECTRICA S A

1947-03-16 Publication of ES176810A1 publication Critical patent/ES176810A1/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
- H01J17/06—Cathodes

ES176810A 1945-08-30 1947-02-15 IMPROVEMENTS IN CATHODES FOR ELECTRONIC DISCHARGE DEVICES Expired ES176810A1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US613455A US2426255A (en)	1945-08-30	1945-08-30	Cathode for electron discharge devices

Publications (1)

Publication Number	Publication Date
ES176810A1 true ES176810A1 (en)	1947-03-16

Family

ID=24457385

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES176810A Expired ES176810A1 (en)	1945-08-30	1947-02-15	IMPROVEMENTS IN CATHODES FOR ELECTRONIC DISCHARGE DEVICES

Country Status (7)

Country	Link
US (1)	US2426255A (en)
BE (1)	BE472665A (en)
CH (1)	CH265652A (en)
ES (1)	ES176810A1 (en)
FR (1)	FR938873A (en)
GB (1)	GB616712A (en)
NL (1)	NL66444C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE965856C (en) *	1952-09-17	1957-06-27	Licentia Gmbh	Incandescent cathode tubes with steam or gas filling and oxide cathode
DE1018164B (en) *	1952-12-04	1957-10-24	Siemens Ag	Gas discharge tubes
DE1022699B (en) *	1956-04-27	1958-01-16	Siemens Ag	Gas or vapor-filled electrical discharge vessel with a long service life with a heatable oxide cathode made of nickel and an electron-emitting coating applied to nickel
JPS5451776A (en) *	1977-10-03	1979-04-23	Nippon Hoso Kyokai <Nhk>	Gas discharge display panel
US6519386B1 (en) *	1998-01-30	2003-02-11	Coretek, Inc.	Light coupling apparatus and method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1913432A (en) *	1931-06-11	1933-06-13	Bell Telephone Labor Inc	Electric discharge device
NL52447C (en) *	1938-02-04

0
- BE BE472665D patent/BE472665A/xx unknown
- NL NL66444D patent/NL66444C/xx active
1945
- 1945-08-30 US US613455A patent/US2426255A/en not_active Expired - Lifetime
1946
- 1946-06-28 GB GB19414/46A patent/GB616712A/en not_active Expired
- 1946-12-06 FR FR938873D patent/FR938873A/en not_active Expired
1947
- 1947-02-15 ES ES176810A patent/ES176810A1/en not_active Expired
- 1947-03-25 CH CH265652D patent/CH265652A/en unknown

Also Published As

Publication number	Publication date
US2426255A (en)	1947-08-26
BE472665A (en)
CH265652A (en)	1949-12-15
GB616712A (en)	1949-01-26
FR938873A (en)	1948-10-27
NL66444C (en)

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