GB1224679A - An electron gun assembly for a cathode-ray tube and other electronic devices - Google Patents

An electron gun assembly for a cathode-ray tube and other electronic devices

Info

Publication number
GB1224679A
GB1224679A GB33091/69A GB3309169A GB1224679A GB 1224679 A GB1224679 A GB 1224679A GB 33091/69 A GB33091/69 A GB 33091/69A GB 3309169 A GB3309169 A GB 3309169A GB 1224679 A GB1224679 A GB 1224679A
Authority
GB
United Kingdom
Prior art keywords
cathode
stalks
tube
supported
electron gun
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.)
Expired
Application number
GB33091/69A
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of GB1224679A publication Critical patent/GB1224679A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/82—Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements
    • 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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/487—Replacing parts of the gun; Relative adjustment of the electrodes

Landscapes

  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)

Abstract

1,224,679. Electron guns. MATSUSHITA ELECTRIC INDUSTRIAL CO. Ltd. 1 July, 1969 [10 July, 1968], No. 33091/69. Heading HID. An electron gun assembly for a cathode-ray tube or other electronic device (e.g. a high-speed wave recording tube or an image storage tube) having a glass envelope 11 comprises a removable cathode-grid assembly 13 having a plurality of glass stalks 14, a cathode, a grid 16 supported by the stalks, an electrode 17 supported by the stalks with a thread 18, and stem leads 19 to the outside, and an anode and focusing grid assembly 21 with glass stalks 22 supporting electrode 23 with thread 24 and anode 25 and focusing electrode 26 supported by the stalks and connected to a plurality of leads 27 led radially to the outside of the tube. The structure allows defective or worn cathode assemblies to be replaced after having been cut from the tube.
GB33091/69A 1968-07-10 1969-07-01 An electron gun assembly for a cathode-ray tube and other electronic devices Expired GB1224679A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4926868 1968-07-10

Publications (1)

Publication Number Publication Date
GB1224679A true GB1224679A (en) 1971-03-10

Family

ID=12826071

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33091/69A Expired GB1224679A (en) 1968-07-10 1969-07-01 An electron gun assembly for a cathode-ray tube and other electronic devices

Country Status (5)

Country Link
US (1) US3579009A (en)
DE (1) DE1935127B2 (en)
FR (1) FR2012659A1 (en)
GB (1) GB1224679A (en)
NL (1) NL140652B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4059776A (en) * 1976-04-19 1977-11-22 Stackpole Carbon Company Electric motor brush mounting

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2211325A (en) * 1929-09-14 1940-08-13 Rca Corp Oscillograph

Also Published As

Publication number Publication date
NL6910414A (en) 1970-01-13
DE1935127A1 (en) 1970-01-15
DE1935127B2 (en) 1972-03-16
US3579009A (en) 1971-05-18
FR2012659A1 (en) 1970-03-20
NL140652B (en) 1973-12-17

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