GB1223652A - A method of manufacturing the focusing grids of colour television tubes - Google Patents

A method of manufacturing the focusing grids of colour television tubes

Info

Publication number
GB1223652A
GB1223652A GB4610/69A GB461069A GB1223652A GB 1223652 A GB1223652 A GB 1223652A GB 4610/69 A GB4610/69 A GB 4610/69A GB 461069 A GB461069 A GB 461069A GB 1223652 A GB1223652 A GB 1223652A
Authority
GB
United Kingdom
Prior art keywords
frame
wires
screws
sheet
grid
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
GB4610/69A
Other languages
English (en)
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of GB1223652A publication Critical patent/GB1223652A/en
Expired legal-status Critical Current

Links

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
    • H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
GB4610/69A 1968-02-01 1969-01-28 A method of manufacturing the focusing grids of colour television tubes Expired GB1223652A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR138334 1968-02-01

Publications (1)

Publication Number Publication Date
GB1223652A true GB1223652A (en) 1971-03-03

Family

ID=8645424

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4610/69A Expired GB1223652A (en) 1968-02-01 1969-01-28 A method of manufacturing the focusing grids of colour television tubes

Country Status (5)

Country Link
US (1) US3600778A (enExample)
DE (1) DE1904720A1 (enExample)
FR (1) FR1566330A (enExample)
GB (1) GB1223652A (enExample)
NL (1) NL6901423A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1442804A (en) * 1973-03-02 1976-07-14 Sinclair Radionics Cathode ray tubes and their manufacture
US3714689A (en) * 1970-12-14 1973-02-06 Science Accessories Corp Apparatus for making spark chamber wire arrays
BE791046A (fr) * 1971-11-10 1973-03-01 Rca Corp Procede de fabrication d'un tube a rayons
US3894321A (en) * 1974-01-24 1975-07-15 Zenith Radio Corp Method for processing a color cathode ray tube having a thin foil mask sealed directly to the bulb
US3921269A (en) * 1974-07-15 1975-11-25 Gte Sylvania Inc Method of fabricating large area cathode
US5613889A (en) * 1995-07-26 1997-03-25 Nosker; Richard W. Method of making a tensioned focus mask
US6630782B1 (en) * 1997-12-01 2003-10-07 Matsushita Electric Industrial Co., Ltd. Image display apparatus having electrodes comprised of a frame and wires

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810186A (en) * 1952-03-22 1957-10-22 Sylvania Electric Prod Method of producing planar grids for vacuum tubes
US2813213A (en) * 1954-11-03 1957-11-12 Avco Mfg Corp Color cathode-ray tube and assembly process
US3130757A (en) * 1960-08-12 1964-04-28 Rca Corp Method of fabricating grid electrodes
FR1407802A (fr) * 1964-06-25 1965-08-06 Cft Comp Fse Television Perfectionnements aux grilles planes pour tubes à rayons cathodiques et à leurs procédés de fabrication
FR1506293A (fr) * 1966-03-10 1967-12-22 Cft Comp Fse Television Perfectionnement à la fabrication de tubes à rayons cathodiques

Also Published As

Publication number Publication date
FR1566330A (enExample) 1969-05-09
DE1904720A1 (de) 1969-09-04
NL6901423A (enExample) 1969-08-05
US3600778A (en) 1971-08-24

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