CA960292A - Method and apparatus for adjusting the colour purity in a colour picture display tube - Google Patents

Method and apparatus for adjusting the colour purity in a colour picture display tube

Info

Publication number
CA960292A
CA960292A CA109,543A CA109543A CA960292A CA 960292 A CA960292 A CA 960292A CA 109543 A CA109543 A CA 109543A CA 960292 A CA960292 A CA 960292A
Authority
CA
Canada
Prior art keywords
colour
adjusting
picture display
display tube
purity
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
CA109,543A
Other versions
CA109543S (en
Inventor
Jan Gerritsen
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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
Priority claimed from NL707005144A external-priority patent/NL149035B/en
Priority claimed from NL7013515A external-priority patent/NL149633B/en
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA960292A publication Critical patent/CA960292A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers
    • 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
    • H01J29/003—Arrangements for eliminating unwanted electromagnetic effects, e.g. demagnetisation arrangements, shielding coils
    • 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
    • H01J29/823—Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements around the neck of the tube
    • 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
    • H01J9/44—Factory adjustment of completed discharge tubes or lamps to comply with desired tolerances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/0007—Elimination of unwanted or stray electromagnetic effects
    • H01J2229/0046—Preventing or cancelling fields within the enclosure
    • H01J2229/0053—Demagnetisation
CA109,543A 1970-04-10 1971-04-05 Method and apparatus for adjusting the colour purity in a colour picture display tube Expired CA960292A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL707005144A NL149035B (en) 1970-04-10 1970-04-10 PROCEDURE FOR ADJUSTING THE COLOR PURITY IN A COLOR TV DISPLAY TUBE, AS WELL AS A DEVICE FOR PERFORMING THIS PROCEDURE.
NL7013515A NL149633B (en) 1970-09-12 1970-09-12 METHOD FOR ADJUSTING THE COLOR PURITY IN A COLOR TV DISPLAY TUBE, AS WELL AS A DEVICE FOR PERFORMING THIS METHOD.

Publications (1)

Publication Number Publication Date
CA960292A true CA960292A (en) 1974-12-31

Family

ID=26644536

Family Applications (1)

Application Number Title Priority Date Filing Date
CA109,543A Expired CA960292A (en) 1970-04-10 1971-04-05 Method and apparatus for adjusting the colour purity in a colour picture display tube

Country Status (8)

Country Link
JP (1) JPS5132409B1 (en)
AT (1) AT306120B (en)
BE (1) BE765537A (en)
CA (1) CA960292A (en)
DE (1) DE2114311C3 (en)
ES (1) ES390058A1 (en)
FR (1) FR2085991B1 (en)
GB (1) GB1339970A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4201932A (en) * 1978-02-06 1980-05-06 Rca Corporation Color purity adjusting method
GB2390047B (en) * 2002-06-28 2005-05-11 Textron Fastening Syst Ltd Split die groove maker

Also Published As

Publication number Publication date
FR2085991B1 (en) 1974-09-06
FR2085991A1 (en) 1971-12-31
GB1339970A (en) 1973-12-05
DE2114311C3 (en) 1974-09-26
ES390058A1 (en) 1973-06-01
AT306120B (en) 1973-03-26
DE2114311A1 (en) 1971-10-21
BE765537A (en) 1971-10-08
DE2114311B2 (en) 1974-03-07
JPS5132409B1 (en) 1976-09-13

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