DE1764047A1 - Cathode assembly for an electric beam forming system of a cathode ray tube - Google Patents

Cathode assembly for an electric beam forming system of a cathode ray tube

Info

Publication number
DE1764047A1
DE1764047A1 DE19681764047 DE1764047A DE1764047A1 DE 1764047 A1 DE1764047 A1 DE 1764047A1 DE 19681764047 DE19681764047 DE 19681764047 DE 1764047 A DE1764047 A DE 1764047A DE 1764047 A1 DE1764047 A1 DE 1764047A1
Authority
DE
Germany
Prior art keywords
cathode
ray tube
forming system
beam forming
electric beam
Prior art date
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.)
Pending
Application number
DE19681764047
Other languages
German (de)
Inventor
Walter Held
Herbert Lange
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.)
Telefunken Patentverwertungs GmbH
Original Assignee
Telefunken Patentverwertungs GmbH
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.)
Filing date
Publication date
Application filed by Telefunken Patentverwertungs GmbH filed Critical Telefunken Patentverwertungs GmbH
Priority to DER0048722 priority Critical
Publication of DE1764047A1 publication Critical patent/DE1764047A1/en
Application status is Pending legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/04Cathodes
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/20Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28Dispenser-type cathodes, e.g. L-cathode
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48Electron guns
    • H01J29/485Construction of the gun or of parts thereof
DE19681764047 1968-03-26 1968-03-26 Cathode assembly for an electric beam forming system of a cathode ray tube Pending DE1764047A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DER0048722 1968-03-26

Publications (1)

Publication Number Publication Date
DE1764047A1 true DE1764047A1 (en) 1971-04-15

Family

ID=7408764

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681764047 Pending DE1764047A1 (en) 1968-03-26 1968-03-26 Cathode assembly for an electric beam forming system of a cathode ray tube

Country Status (1)

Country Link
DE (1) DE1764047A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2481516A1 (en) * 1980-04-23 1981-10-30 Philips Nv
FR2741997A1 (en) * 1995-12-05 1997-06-06 Thomson Tubes & Displays A cathode structure for cathode ray tube
EP0848405A2 (en) * 1996-12-11 1998-06-17 Lg Electronics Inc. Low power impregnated cathode of cathode-ray tube

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2481516A1 (en) * 1980-04-23 1981-10-30 Philips Nv
DE3115652A1 (en) * 1980-04-23 1982-03-18 Philips Nv Electron emitters generation system and cathode ray tube having such a gun-
FR2741997A1 (en) * 1995-12-05 1997-06-06 Thomson Tubes & Displays A cathode structure for cathode ray tube
EP0778604A1 (en) * 1995-12-05 1997-06-11 THOMSON TUBES & DISPLAYS S.A. Cathode structure for cathode ray tube
US5780959A (en) * 1995-12-05 1998-07-14 Thomson Tubes And Displays, S.A. Cathode structure for cathode ray tube
EP0848405A2 (en) * 1996-12-11 1998-06-17 Lg Electronics Inc. Low power impregnated cathode of cathode-ray tube
EP0848405A3 (en) * 1996-12-11 1998-08-05 Lg Electronics Inc. Low power impregnated cathode of cathode-ray tube

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