CA1184234A - Cathode-ray tube with double coined electrode - Google Patents

Cathode-ray tube with double coined electrode

Info

Publication number
CA1184234A
CA1184234A CA000382787A CA382787A CA1184234A CA 1184234 A CA1184234 A CA 1184234A CA 000382787 A CA000382787 A CA 000382787A CA 382787 A CA382787 A CA 382787A CA 1184234 A CA1184234 A CA 1184234A
Authority
CA
Canada
Prior art keywords
recess
depression
electron gun
coined
coining
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
CA000382787A
Other languages
English (en)
French (fr)
Inventor
Floyd K. Collins
Donald L. Say
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.)
Philips ECG Inc
Original Assignee
Philips ECG Inc
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 Philips ECG Inc filed Critical Philips ECG Inc
Application granted granted Critical
Publication of CA1184234A publication Critical patent/CA1184234A/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
    • 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
    • H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Microwave Tubes (AREA)
CA000382787A 1980-08-04 1981-07-29 Cathode-ray tube with double coined electrode Expired CA1184234A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17516580A 1980-08-04 1980-08-04
US175,165 1980-08-04

Publications (1)

Publication Number Publication Date
CA1184234A true CA1184234A (en) 1985-03-19

Family

ID=22639203

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000382787A Expired CA1184234A (en) 1980-08-04 1981-07-29 Cathode-ray tube with double coined electrode

Country Status (5)

Country Link
EP (1) EP0045547B1 (es)
JP (1) JPS5763746A (es)
CA (1) CA1184234A (es)
DE (1) DE3166330D1 (es)
ES (1) ES8204880A1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1170150B (it) * 1982-07-19 1987-06-03 Rca Corp Griglia dotata di aperture per cannoni elettronici e metodo di fabbricazione della stessa
IT1176203B (it) * 1983-06-27 1987-08-18 Rca Corp Tubo a raggi catodici con un cannone elettronico presentante una regione di formazione di un fascio astigmatico
DE3617432A1 (de) * 1986-05-23 1987-11-26 Standard Elektrik Lorenz Ag Elektronenstrahlerzeugungssystem
JP2672502B2 (ja) * 1987-01-26 1997-11-05 株式会社日立製作所 カラーブラウン管電子銃用電極の製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2935636A (en) * 1955-10-31 1960-05-03 Rca Corp Electron gun structure
US2971108A (en) * 1958-09-26 1961-02-07 Sylvania Electric Prod Electron discharge device
US3628077A (en) * 1970-02-26 1971-12-14 Sylvania Electric Prod Electron gun having concave coined grid and annular rib
US4071932A (en) * 1976-10-28 1978-02-07 Standaart Adrian W Method of making electron guns for cathode ray tubes and the like
JPS55154044A (en) * 1979-05-18 1980-12-01 Hitachi Ltd Electrode structure of electron gun and its manufacture

Also Published As

Publication number Publication date
ES504476A0 (es) 1982-05-01
JPS5763746A (en) 1982-04-17
DE3166330D1 (en) 1984-10-31
JPH0312417B2 (es) 1991-02-20
EP0045547A3 (en) 1982-06-23
ES8204880A1 (es) 1982-05-01
EP0045547B1 (en) 1984-09-26
EP0045547A2 (en) 1982-02-10

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Legal Events

Date Code Title Description
MKEX Expiry