FR776056A - Improvements to electronic discharge devices - Google Patents

Improvements to electronic discharge devices

Info

Publication number: FR776056A
Authority: FR; France
Prior art keywords: discharge devices; electronic discharge; electronic; devices; discharge
Prior art date: 1933-08-31
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

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.)

RCA Corp

Original Assignee

RCA Corp

Radio Corporation of America

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.)

1933-08-31

Filing date

1934-07-17

Publication date

1935-01-16

1934-07-17 Application filed by RCA Corp, Radio Corporation of America filed Critical RCA Corp

1935-01-16 Application granted granted Critical

1935-01-16 Publication of FR776056A publication Critical patent/FR776056A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
- H01J5/08—Vessels; Containers; Shields associated therewith; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings

FR776056D 1933-08-31 1934-07-17 Improvements to electronic discharge devices Expired FR776056A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US687565A US2035003A (en)	1933-08-31	1933-08-31	Electron discharge device

Publications (1)

Publication Number	Publication Date
FR776056A true FR776056A (en)	1935-01-16

Family

ID=24760913

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR776056D Expired FR776056A (en)	1933-08-31	1934-07-17	Improvements to electronic discharge devices

Country Status (5)

Country	Link
US (1)	US2035003A (en)
BE (1)	BE404985A (en)
FR (1)	FR776056A (en)
GB (1)	GB426760A (en)
NL (1)	NL42504C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2520553A1 (en) *	1982-01-22	1983-07-29	Cameca	ELECTRONIC OPTICAL APPARATUS COMPRISING PYROLYTIC GRAPHITE ELEMENTS

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2584994A (en) *	1946-03-15	1952-02-12	Int Standard Electric Corp	Nonemissive electrode and method of manufacturing
US2494670A (en) *	1946-04-26	1950-01-17	Rca Corp	Electronic discharge device
US2527514A (en) *	1947-08-19	1950-10-31	Int Standard Electric Corp	Nonemissive electrode for use in electron discharge devices
US2605442A (en) *	1948-03-19	1952-07-29	Sylvania Electric Prod	Electron discharge device

0
- NL NL42504D patent/NL42504C/xx active
- BE BE404985D patent/BE404985A/xx unknown
1933
- 1933-08-31 US US687565A patent/US2035003A/en not_active Expired - Lifetime
1934
- 1934-07-17 FR FR776056D patent/FR776056A/en not_active Expired
- 1934-08-27 GB GB24673/34A patent/GB426760A/en not_active Expired

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2520553A1 (en) *	1982-01-22	1983-07-29	Cameca	ELECTRONIC OPTICAL APPARATUS COMPRISING PYROLYTIC GRAPHITE ELEMENTS
EP0086120A1 (en) *	1982-01-22	1983-08-17	Cameca	Electron-optical apparatus comprising pyrolytic graphite elements

Also Published As

Publication number	Publication date
US2035003A (en)	1936-03-24
BE404985A (en)
GB426760A (en)	1935-04-09
NL42504C (en)

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