CA961910A - Fabrication of "focus grill" type cathode ray tubes - Google Patents

Fabrication of "focus grill" type cathode ray tubes

Info

Publication number
CA961910A
CA961910A CA153,259A CA153259A CA961910A CA 961910 A CA961910 A CA 961910A CA 153259 A CA153259 A CA 153259A CA 961910 A CA961910 A CA 961910A
Authority
CA
Canada
Prior art keywords
fabrication
cathode ray
ray tubes
type cathode
grill
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
CA153,259A
Other versions
CA153259S (en
Inventor
Harold B. Law
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA961910A publication Critical patent/CA961910A/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
    • H01J29/80—Arrangements for controlling the ray or beam after passing the main deflection system, e.g. for post-acceleration or post-concentration, for colour switching
    • H01J29/803—Arrangements for controlling the ray or beam after passing the main deflection system, e.g. for post-acceleration or post-concentration, for colour switching for post-acceleration or post-deflection, e.g. for colour switching
CA153,259A 1971-11-10 1972-10-04 Fabrication of "focus grill" type cathode ray tubes Expired CA961910A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19726771A 1971-11-10 1971-11-10

Publications (1)

Publication Number Publication Date
CA961910A true CA961910A (en) 1975-01-28

Family

ID=22728697

Family Applications (1)

Application Number Title Priority Date Filing Date
CA153,259A Expired CA961910A (en) 1971-11-10 1972-10-04 Fabrication of "focus grill" type cathode ray tubes

Country Status (11)

Country Link
US (1) US3722044A (en)
JP (1) JPS4856058A (en)
AR (1) AR193134A1 (en)
BE (1) BE791046A (en)
BR (1) BR7207830D0 (en)
CA (1) CA961910A (en)
DE (1) DE2255208A1 (en)
FR (1) FR2159366B1 (en)
GB (1) GB1369100A (en)
IT (1) IT967633B (en)
NL (1) NL7215176A (en)

Families Citing this family (6)

* 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
US3790320A (en) * 1972-02-22 1974-02-05 Armstrong Cork Co Rotary casting machine
US4626741A (en) * 1983-04-08 1986-12-02 Futaba Denshi Kogyo Kabushiki Kaisha Linear electrode construction for fluorescent display device and process for preparing same
US4591344A (en) * 1983-09-30 1986-05-27 Zenith Electronics Corporation Method of fabricating a tension mask color cathode ray tube
US5507677A (en) * 1995-06-26 1996-04-16 Thomson Multimedia S.A. Apparatus for pre-stressing CRT tension mask material
US5613889A (en) * 1995-07-26 1997-03-25 Nosker; Richard W. Method of making a tensioned focus mask

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2813213A (en) * 1954-11-03 1957-11-12 Avco Mfg Corp Color cathode-ray tube and assembly process
US2842696A (en) * 1955-10-06 1958-07-08 Gen Electric Color cathode ray image reproducing tube and method
US3030536A (en) * 1956-04-20 1962-04-17 Owens Illinois Glass Co Face plate for supporting color-control elements in cathode-ray tubes
US3112421A (en) * 1960-08-12 1963-11-26 Paramount Pictures Corp Display screen grid structure for color television tubes
US3238410A (en) * 1962-11-21 1966-03-01 Gen Electric Grid for electric discharge device and method of making
JPS431288Y1 (en) * 1964-12-28 1968-01-22
FR1566330A (en) * 1968-02-01 1969-05-09

Also Published As

Publication number Publication date
JPS4856058A (en) 1973-08-07
DE2255208A1 (en) 1973-05-17
FR2159366B1 (en) 1976-08-20
BE791046A (en) 1973-03-01
FR2159366A1 (en) 1973-06-22
BR7207830D0 (en) 1973-09-25
US3722044A (en) 1973-03-27
AR193134A1 (en) 1973-03-30
NL7215176A (en) 1973-05-14
IT967633B (en) 1974-03-11
AU4892272A (en) 1974-05-16
GB1369100A (en) 1974-10-02

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