FR70718E - Cathode enhancements - Google Patents

Cathode enhancements

Info

Publication number: FR70718E
Authority: FR; France
Prior art keywords: enhancements; cathode; cathode enhancements
Prior art date: 1956-06-01
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

Other languages

Inventor

Dennis Arthur Day

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.)

International Standard Electric Corp

Original Assignee

International Standard Electric Corp

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.)

1956-06-01

Filing date

1956-06-01

Publication date

1959-07-10

1956-06-01 Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp

1959-07-10 Application granted granted Critical

1959-07-10 Publication of FR70718E publication Critical patent/FR70718E/en

Status Expired legal-status Critical Current

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
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode

FR70718D 1956-06-01 1956-06-01 Cathode enhancements Expired FR70718E (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR70718T		1956-06-01

Publications (1)

Publication Number	Publication Date
FR70718E true FR70718E (en)	1959-07-10

Family

ID=8702389

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR70718D Expired FR70718E (en)	1956-06-01	1956-06-01	Cathode enhancements

Country Status (1)

Country	Link
FR (1)	FR70718E (en)

1956
- 1956-06-01 FR FR70718D patent/FR70718E/en not_active Expired

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