NL139841B - GRID ELECTRODE FOR AN ELECTRONIC DISCHARGE DEVICE. - Google Patents

GRID ELECTRODE FOR AN ELECTRONIC DISCHARGE DEVICE.

Info

Publication number: NL139841B
Authority: NL; Netherlands
Prior art keywords: discharge device; grid electrode; electronic discharge; electronic; grid
Prior art date: 1962-03-02

Application number

NL63289517A

Other languages

Dutch (nl)

Original Assignee

Thomson Houston Comp Francaise

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.)

1962-03-02

Filing date

1963-02-27

Publication date

1973-09-17

1963-02-27 Application filed by Thomson Houston Comp Francaise filed Critical Thomson Houston Comp Francaise

1973-09-17 Publication of NL139841B publication Critical patent/NL139841B/en

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/28—Non-electron-emitting electrodes; Screens
- H01J19/30—Non-electron-emitting electrodes; Screens characterised by the material
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0012—Constructional arrangements
- H01J2893/0019—Chemical composition and manufacture
- H01J2893/002—Chemical composition and manufacture chemical
- H01J2893/0021—Chemical composition and manufacture chemical carbon

NL63289517A 1962-03-02 1963-02-27 GRID ELECTRODE FOR AN ELECTRONIC DISCHARGE DEVICE. NL139841B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR889759A FR1344220A (en)	1962-03-02	1962-03-02	Grid for electron tubes

Publications (1)

Publication Number	Publication Date
NL139841B true NL139841B (en)	1973-09-17

Family

ID=8773876

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL63289517A NL139841B (en)	1962-03-02	1963-02-27	GRID ELECTRODE FOR AN ELECTRONIC DISCHARGE DEVICE.

Country Status (7)

Country	Link
US (1)	US3307063A (en)
CH (1)	CH415872A (en)
DE (1)	DE1194988C2 (en)
ES (1)	ES285347A1 (en)
FR (1)	FR1344220A (en)
GB (1)	GB1011587A (en)
NL (1)	NL139841B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1523248A (en) *	1967-03-07	1968-05-03	Thomson Houston Comp Francaise	Improvements in methods of manufacturing electrodes in the form of grids for electron tubes, electrodes manufactured using these improved methods and electron tubes containing such electrodes
FR1593831A (en) *	1967-12-13	1970-06-01
DE2450261C3 (en) *	1974-10-23	1980-06-26	Philips Patentverwaltung Gmbh, 2000 Hamburg	Process for the production of grid electrodes for electron tubes
DE2623828A1 (en) *	1976-05-28	1977-12-08	Philips Patentverwaltung	ELECTRODE, IN PARTICULAR GRID-SHAPED ELECTRODE FOR ELECTRONIC TUBES, AND METHOD FOR MANUFACTURING THEREOF
DE2613170B2 (en) *	1976-03-27	1978-10-12	Philips Patentverwaltung Gmbh, 2000 Hamburg	Process for the production of grid electrodes for electron tubes
FR2432215A1 (en) *	1978-07-27	1980-02-22	Thomson Csf	ELECTRONIC TUBE WITH CYLINDRICAL GRID IN PYROLYTIC GRAPHITE
DE2838020C3 (en) *	1978-08-31	1987-06-19	Siemens AG, 1000 Berlin und 8000 München	Directly heated cathode for transmitter tubes with coaxial electrode structure
FR2437060A1 (en) *	1978-09-19	1980-04-18	Thomson Csf	PROCESS FOR MANUFACTURING PLANAR GRIDS IN PYROLYTIC GRAPHITE FOR ELECTRONIC TUBES
US4277718A (en) *	1979-11-07	1981-07-07	Varian Associates, Inc.	Modular electron tube with carbon grid
CS224267B1 (en) *	1980-12-24	1984-01-16	Slavomir Ing Zizka	Power tube grid
SU1149329A1 (en) *	1981-02-13	1985-04-07	Организация П/Я Х-5263	Grid electrode for electronic equipment and process for manufacturing it
NL8300191A (en) *	1983-01-19	1984-08-16	Philips Nv	ELECTRIC DISCHARGE TUBE.
NL8500220A (en) *	1985-01-28	1986-08-18	Philips Nv	ELECTRON TUBE.

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3172774A (en) *		1965-03-09		Method of forming composite graphite coated article
US1612835A (en) *	1917-01-23	1927-01-04	Siemens Ag	Intermediate electrode in incandescent cathode tube
CA353329A (en) *	1931-11-09	1935-10-01	The Canadian General Electric Company	Arc discharge apparatus
US2054234A (en) *	1933-07-29	1936-09-15	Hygrade Sylvania Corp	Electric discharge device
US2101462A (en) *	1935-03-13	1937-12-07	Farnsworth Television Inc	Grid
US2193600A (en) *	1935-04-10	1940-03-12	Westinghouse Electric & Mfg Co	Carbon grid for transmitting vacuum tubes
GB830532A (en) *	1957-07-12	1960-03-16	Standard Telephones Cables Ltd	Improvements in or relating to electron discharge tubes
NL259428A (en) *	1959-12-23
US3187502A (en) *	1961-01-23	1965-06-08	Gen Electric	Rocket nozzle
US3138434A (en) *	1961-04-26	1964-06-23	Gen Electric	Deposition method of forming a pyrolytic graphite article
FR1323676A (en) *	1962-02-28	1963-04-12	Thomson Houston Comp Francaise	electrode for electron tubes and method of its manufacture

1962
- 1962-03-02 FR FR889759A patent/FR1344220A/en not_active Expired
1963
- 1963-02-22 ES ES285347A patent/ES285347A1/en not_active Expired
- 1963-02-27 NL NL63289517A patent/NL139841B/en not_active IP Right Cessation
- 1963-02-28 CH CH253963A patent/CH415872A/en unknown
- 1963-02-28 GB GB8073/63A patent/GB1011587A/en not_active Expired
- 1963-03-01 DE DE1963C0029281 patent/DE1194988C2/en not_active Expired
- 1963-04-02 US US269919A patent/US3307063A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE1194988B (en)	1965-06-16
CH415872A (en)	1966-06-30
GB1011587A (en)	1965-12-01
FR1344220A (en)	1963-11-29
US3307063A (en)	1967-02-28
DE1194988C2 (en)	1976-01-15
ES285347A1 (en)	1963-06-16

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Legal Events

Date	Code	Title	Description
1984-01-31	NL80	Abbreviated name of patent owner mentioned of already nullified patent	Owner name: THOMSON HOUSTON
1984-03-16	V4	Lapsed because of reaching the maximum lifetime of a patent