BE813271R - Kathodestraalbuis met snel op temperatuur komende kathode - Google Patents

Kathodestraalbuis met snel op temperatuur komende kathode

Info

Publication number: BE813271R
Authority: BE; Belgium
Prior art keywords: cathod; beam tube; fast returning; cathode; returning cathode
Prior art date: 1973-04-06

Application number

BE2053530A

Other languages

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.)

1973-04-06

Filing date

1974-04-04

Publication date

1974-10-04

1974-04-04 Application filed filed Critical

1974-10-04 Application granted granted Critical

1974-10-04 Publication of BE813271R publication Critical patent/BE813271R/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/08—Manufacture of heaters for indirectly-heated cathodes
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/04—Cathodes

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Solid Thermionic Cathode (AREA)

BE2053530A 1973-04-06 1974-04-04 Kathodestraalbuis met snel op temperatuur komende kathode BE813271R (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2317446A DE2317446C3 (de)	1973-04-06	1973-04-06	Verfahren zum Herstellen eines Heizelementes für eine indirekt geheizte Kathode

Publications (1)

Publication Number	Publication Date
BE813271R true BE813271R (nl)	1974-10-04

Family

ID=5877284

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE2053530A BE813271R (nl)	1973-04-06	1974-04-04	Kathodestraalbuis met snel op temperatuur komende kathode

Country Status (10)

Country	Link
US (1)	US3902093A (xx)
JP (1)	JPS5513102B2 (xx)
BE (1)	BE813271R (xx)
CA (1)	CA1032592A (xx)
DE (1)	DE2317446C3 (xx)
ES (1)	ES425053A1 (xx)
FR (1)	FR2224866B1 (xx)
GB (1)	GB1461495A (xx)
IT (1)	IT1007777B (xx)
NL (1)	NL7404521A (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4000435A (en) *	1975-06-20	1976-12-28	Westinghouse Electric Corporation	Electron gun cathode with a fast warm-up characteristic
JPS5952503B2 (ja) *	1975-11-07	1984-12-20	株式会社日立製作所	直熱形酸化物陰極用基体金属板
JPS5471550A (en) *	1977-11-18	1979-06-08	Hitachi Ltd	Base metal material for direct heating oxide cathode
DE2835490C2 (de) *	1978-08-12	1986-09-18	Standard Elektrik Lorenz Ag, 7000 Stuttgart	Verfahren zur Herstellung einer indirekt geheizten Kathode
DE2938248A1 (de) *	1979-09-21	1981-03-26	Standard Elektrik Lorenz AG, 70435 Stuttgart	Heizelement fuer eine indirekt geheizte kathode
JPS573039U (xx) *	1980-06-06	1982-01-08
DE3029853C2 (de) *	1980-08-07	1982-08-26	Standard Elektrik Lorenz Ag, 7000 Stuttgart	Indirekt durch Elektronenstoß geheizte Wehneltkathode
DE19828158C1 (de) *	1998-06-24	1999-11-25	Siemens Ag	Indirekt geheizte Kathode, insbesondere für Röntgenröhren

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1017292B (de) *	1956-07-18	1957-10-10	Telefunken Gmbh	Aluminiumoxydueberzug fuer den Heizdraht mittelbar geheizter Kathoden elektrischer Entladungsroehren und Verfahren zur Herstellung eines Isolierueberzuges auf einem Heizdraht
US3029360A (en) *	1958-04-29	1962-04-10	Rca Corp	Heater wire coating process
NL268393A (xx) *	1960-08-19
DE1146594B (de) *	1961-10-31	1963-04-04	Standard Elektrik Lorenz Ag	Aus zwei Schichten bestehender Isolationsueberzug fuer das Heizelement mittelbar geheizter Kathoden elektrischer Entladungsroehren und Verfahren zu seiner Herstellung
DE1133835B (de) *	1961-12-16	1962-07-26	Telefunken Patent	Verfahren zur Herstellung einer mittelbar geheizten Kathode fuer eine elektrische Entladungsroehre
NL113095C (xx) *	1961-12-22
NL281567A (xx) *	1962-07-30
DE1281038B (de) *	1962-08-01	1968-10-24	Telefunken Patent	Verfahren zur Herstellung einer mittelbar geheizten Kathode fuer eine elektrische Entladungsroehre
US3246197A (en) *	1962-10-02	1966-04-12	Westinghouse Electric Corp	Cathode heater having an aluminum oxide and tungesten coating
US3372297A (en) *	1964-09-28	1968-03-05	Varian Associates	High frequency electron discharge devices and thermionic cathodes having improved (cvd) refractory insulation coated heater wires
US3737714A (en) *	1964-12-18	1973-06-05	Sylvania Electric Prod	Dark coated heater for vacuum tube cathode
US3401297A (en) *	1965-08-23	1968-09-10	Varian Associates	Thermionic cathodes for electron discharge devices with improved refractory metal heater wires
US3558966A (en) *	1967-03-01	1971-01-26	Semicon Associates Inc	Directly heated dispenser cathode
US3500454A (en) *	1967-11-16	1970-03-10	Sylvania Electric Prod	Insulator heater coating for heater-cathode assembly
US3531678A (en) *	1968-06-24	1970-09-29	Raytheon Co	Heater with boron nitride coating
US3765939A (en) *	1972-05-10	1973-10-16	Gte Sylvania Inc	Method of coating cathode heaters

1973
- 1973-04-06 DE DE2317446A patent/DE2317446C3/de not_active Expired
- 1973-11-12 US US415256A patent/US3902093A/en not_active Expired - Lifetime
1974
- 1974-04-03 NL NL7404521A patent/NL7404521A/xx unknown
- 1974-04-04 BE BE2053530A patent/BE813271R/xx not_active IP Right Cessation
- 1974-04-05 GB GB1525974A patent/GB1461495A/en not_active Expired
- 1974-04-05 CA CA196,909A patent/CA1032592A/en not_active Expired
- 1974-04-05 JP JP3809774A patent/JPS5513102B2/ja not_active Expired
- 1974-04-06 ES ES425053A patent/ES425053A1/es not_active Expired
- 1974-04-08 FR FR7412243A patent/FR2224866B1/fr not_active Expired
- 1974-04-08 IT IT20992/74A patent/IT1007777B/it active

Also Published As

Publication number	Publication date
ES425053A1 (es)	1976-11-16
IT1007777B (it)	1976-10-30
JPS5513102B2 (xx)	1980-04-07
US3902093A (en)	1975-08-26
FR2224866A1 (xx)	1974-10-31
NL7404521A (xx)	1974-10-08
FR2224866B1 (xx)	1978-11-03
CA1032592A (en)	1978-06-06
DE2317446A1 (de)	1974-10-24
DE2317446C3 (de)	1983-11-10
GB1461495A (en)	1977-01-13
DE2317446B2 (de)	1977-08-18
JPS5052962A (xx)	1975-05-10

Publication	Publication Date	Title
AT334426B (de)	1976-01-10	Mehrstrahl-kathodenstrahlrohre
NL7506050A (nl)	1975-11-25	Kathodestraalbuis.
NL7415534A (nl)	1975-06-02	Kathodestraalbuis.
BE812531A (nl)	1974-09-20	Kathodestraalbuis met snel op temperatuur komende kathode
BE811272A (fr)	1974-08-19	Tube cathodique
NL7400887A (nl)	1975-07-25	Kathodestraalbuis.
AT345907B (de)	1978-10-10	Kathodenstrahlroehre
BE810190A (fr)	1974-07-25	Cathodes
BE839689A (nl)	1976-07-16	Kathodestraalbuis
AT374051B (de)	1984-03-12	Drehanode fuer roentgenroehren
BE813271R (nl)	1974-10-04	Kathodestraalbuis met snel op temperatuur komende kathode
NL7506542A (nl)	1976-01-07	Kathodestraalbuis met dubbele bundel.
BE823614R (nl)	1975-06-20	Kathodestraalbuis met snel op temperatuur komende kathode
NL7405552A (nl)	1975-10-28	Kathodestraalbuis.
NL7415924A (nl)	1975-06-16	Kathodestraalbuis met weergave in kleuren.
IT1014973B (it)	1977-04-30	Tubo a raggi catodici
NL7510970A (nl)	1977-03-22	Kathodestraalbuis.
NL176621C (nl)	1985-05-01	Roteerbare anode voor roentgenbuis.
AT303840B (de)	1972-12-11	Kathodenstrahlröhre
BE794167A (fr)	1973-07-17	Tube cathodique
BE841490A (nl)	1976-09-01	Kathode straalbuis
NL7501774A (nl)	1975-08-19	Rechthoekige elektronenstraalbuis met vergrote sterkte.
AT337789B (de)	1977-07-25	Kathodenstrahlrohre
BE821509A (fr)	1975-04-25	Tubes
NL160112C (nl)	1979-09-17	Kathodestraalbuis.

Legal Events

Date	Code	Title	Description
1989-12-31	CA	Change of address of the owner of the patent	Owner name: NOKIA GRAETZ G.M.B.H.:OSTLICHE KARL-FRIEDRICH-STR Effective date*: 19890630
1990-09-30	RE	Patent lapsed	Owner name: NOKIA GRAETZ G.M.B.H. Effective date: 19900331

Date

Code

Title

Description

1989-12-31

Change of address of the owner of the patent

Owner name: *NOKIA GRAETZ G.M.B.H.:OSTLICHE KARL-FRIEDRICH-STR

Effective date: 19890630

1990-09-30

Patent lapsed

Owner name: NOKIA GRAETZ G.M.B.H.

Effective date: 19900331