NL7807754A - Elektronenbuis. - Google Patents

Elektronenbuis.

Info

Publication number: NL7807754A
Authority: NL; Netherlands
Prior art keywords: electron tube; electron; tube
Prior art date: 1977-07-21

Application number

NL7807754A

Other languages

English (en)

Dutch (nl)

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.)

1977-07-21

Filing date

1978-07-20

Publication date

1979-01-23

1978-07-20 Application filed by Philips Nv filed Critical Philips Nv

1979-01-23 Publication of NL7807754A publication Critical patent/NL7807754A/xx

Links

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
- H01J1/24—Insulating layer or body located between heater and emissive material

NL7807754A 1977-07-21 1978-07-20 Elektronenbuis. NL7807754A (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2732960A DE2732960C2 (de)	1977-07-21	1977-07-21	Glühkathode und Verfahren zu ihrer Herstellung

Publications (1)

Publication Number	Publication Date
NL7807754A true NL7807754A (nl)	1979-01-23

Family

ID=6014512

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7807754A NL7807754A (nl)	1977-07-21	1978-07-20	Elektronenbuis.

Country Status (10)

Country	Link
US (1)	US4178530A (it)
JP (1)	JPS5422755A (it)
BE (1)	BE869130A (it)
CA (1)	CA1110689A (it)
DE (1)	DE2732960C2 (it)
ES (1)	ES471851A1 (it)
FR (1)	FR2398381A1 (it)
GB (1)	GB2001470B (it)
IT (1)	IT1097892B (it)
NL (1)	NL7807754A (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2759147C2 (de) *	1977-12-31	1987-01-02	Philips Patentverwaltung Gmbh, 2000 Hamburg	Glühkathode mit einem Heizer aus pyrolytischem Graphit
US4302701A (en) *	1978-07-07	1981-11-24	Siemens Aktiengesellschaft	Directly heated cathode for an electron tube with coaxial electrode design
FR2445605A1 (fr) *	1978-12-27	1980-07-25	Thomson Csf	Cathode a chauffage direct et tube electronique haute frequence comportant une telle cathode
DE3014216A1 (de) *	1980-04-14	1981-10-15	Philips Patentverwaltung Gmbh, 2000 Hamburg	Gluehkathode fuer eine elektronenroehre
FR2498372A1 (fr) *	1981-01-16	1982-07-23	Thomson Csf	Cathode a chauffage direct, son procede de fabrication, et tube electronique incorporant une telle cathode
US4760306A (en) *	1983-06-10	1988-07-26	The United States Of America As Represented By The United States Department Of Energy	Electron emitting filaments for electron discharge devices
DE3334971A1 (de) *	1983-09-27	1985-04-18	Siemens AG, 1000 Berlin und 8000 München	Vorratskathode, insbesondere metall-kapillar-kathode
GB8611967D0 (en) *	1986-05-16	1986-10-29	English Electric Valve Co Ltd	Directly heated cathodes
CH672860A5 (it) *	1986-09-29	1989-12-29	Balzers Hochvakuum
US5444327A (en) *	1993-06-30	1995-08-22	Varian Associates, Inc.	Anisotropic pyrolytic graphite heater
FR2726121B1 (fr) *	1994-10-21	1996-11-15	Thomson Tubes Electroniques	Dispositif de chauffage par rayonnement pour cathode a chauffage indirect
US5608838A (en) *	1994-12-07	1997-03-04	Brookley; Charles E.	Blackbody type heating element for calibration furnace with pyrolytic graphite coating disposed on end cap electrode members
US6741805B2 (en) *	2001-09-27	2004-05-25	Bai Wei Wu	Flexible graphite felt heating elements and a process for radiating infrared

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1109083A (en) *	1965-04-14	1968-04-10	Sony Corp	An electron emitter
US3389290A (en) *	1965-04-06	1968-06-18	Sony Corp	Electron gun device
US3411123A (en) *	1966-05-10	1968-11-12	Gen Electric	Pyrolytic graphite electrical resistance element
DE1614680C3 (de) *	1967-12-13	1973-10-11	Siemens Ag, 1000 Berlin U. 8000 Muenchen	Elektrisches Entladungsgefäß, insbe sondere HF Leistungsrohre
FR1593831A (it) *	1967-12-13	1970-06-01
DE1614686B1 (de) *	1967-12-19	1971-03-11	Siemens Ag	Mittelbar geheizte vorratskathode auf thorium-basis
US3532923A (en) *	1969-03-17	1970-10-06	Ibm	Pyrolytic graphite support for lanthanum hexaboride cathode emitter

1977
- 1977-07-21 DE DE2732960A patent/DE2732960C2/de not_active Expired
1978
- 1978-07-11 US US05/923,495 patent/US4178530A/en not_active Expired - Lifetime
- 1978-07-13 CA CA307,297A patent/CA1110689A/en not_active Expired
- 1978-07-18 IT IT25849/78A patent/IT1097892B/it active
- 1978-07-18 JP JP8685178A patent/JPS5422755A/ja active Granted
- 1978-07-18 FR FR7821255A patent/FR2398381A1/fr active Granted
- 1978-07-18 GB GB787830214A patent/GB2001470B/en not_active Expired
- 1978-07-19 BE BE189389A patent/BE869130A/xx unknown
- 1978-07-19 ES ES471851A patent/ES471851A1/es not_active Expired
- 1978-07-20 NL NL7807754A patent/NL7807754A/xx not_active Application Discontinuation

Also Published As

Publication number	Publication date
DE2732960A1 (de)	1979-02-01
GB2001470A (en)	1979-01-31
US4178530A (en)	1979-12-11
JPS6151374B2 (it)	1986-11-08
IT7825849A0 (it)	1978-07-18
FR2398381B1 (it)	1983-07-08
DE2732960C2 (de)	1982-04-01
FR2398381A1 (fr)	1979-02-16
JPS5422755A (en)	1979-02-20
IT1097892B (it)	1985-08-31
BE869130A (fr)	1979-01-19
GB2001470B (en)	1982-03-17
CA1110689A (en)	1981-10-13
ES471851A1 (es)	1979-02-01

Legal Events

Date	Code	Title	Description
1982-03-01	BV	The patent application has lapsed

Publication	Publication Date	Title
AT361088B (de)	1981-02-25	Drehanodenroentgenroehre
NL7900675A (nl)	1979-08-28	Buispoststation.
NL7712943A (nl)	1979-05-28	Kathodestraalbuis.
NL7811716A (nl)	1979-06-06	Elektronenmicroscoop.
NL7802898A (nl)	1978-09-20	Draineerbuis.
NL7800060A (nl)	1978-09-20	Roentgenbuis.
NL175753C (nl)	1984-12-17	Bronbuis.
NL7800763A (nl)	1978-07-31	Buisklem.
NL7807754A (nl)	1979-01-23	Elektronenbuis.
NL7712942A (nl)	1979-05-28	Kathodestraalbuis.
NL7603030A (nl)	1976-09-28	Electronenbuis.
NL7805387A (nl)	1978-11-21	Kathodestraalbuis.
NO150432C (no)	1984-10-17	Tube
NL7711633A (nl)	1979-04-26	Beeldversterkerbuis.
NL7704643A (nl)	1978-10-31	Zuigbuisstandregeling.
NL178922C (nl)	1986-06-02	Beeldversterkerbuis.
NL7704473A (nl)	1978-10-27	Roentgenbuis.
NL188718C (nl)	1992-09-01	Basisorgaan voor elektronenbuis.
NL7803553A (nl)	1978-10-09	Buisverbinder.
NL7702261A (nl)	1978-09-05	Beeldversterkerbuis.
NL7808162A (nl)	1979-02-13	Elektronenbundelinrichting.
NL7800467A (nl)	1978-06-30	Elektronenradiografisch apparaat.
IT7825454A0 (it)	1978-07-07	Anodo.
NL7708958A (nl)	1979-02-19	Kathodestraalbuis.
NL7705731A (nl)	1978-11-28	Kathodestraalbuis.