CA957720A - High resolution shadowmask cathode ray tube - Google Patents

High resolution shadowmask cathode ray tube

Info

Publication number
CA957720A
CA957720A CA144,800A CA144800A CA957720A CA 957720 A CA957720 A CA 957720A CA 144800 A CA144800 A CA 144800A CA 957720 A CA957720 A CA 957720A
Authority
CA
Canada
Prior art keywords
shadowmask
ray tube
high resolution
cathode ray
cathode
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
CA144,800A
Other versions
CA144800S (en
Inventor
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.)
GTE Sylvania Inc
Original Assignee
GTE Sylvania 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 GTE Sylvania Inc filed Critical GTE Sylvania Inc
Application granted granted Critical
Publication of CA957720A publication Critical patent/CA957720A/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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H01J29/07—Shadow masks for colour television tubes
    • H01J29/076—Shadow masks for colour television tubes characterised by the shape or distribution of beam-passing apertures
CA144,800A 1971-06-16 1972-06-15 High resolution shadowmask cathode ray tube Expired CA957720A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15369571A 1971-06-16 1971-06-16

Publications (1)

Publication Number Publication Date
CA957720A true CA957720A (en) 1974-11-12

Family

ID=22548339

Family Applications (1)

Application Number Title Priority Date Filing Date
CA144,800A Expired CA957720A (en) 1971-06-16 1972-06-15 High resolution shadowmask cathode ray tube

Country Status (2)

Country Link
US (1) US3720854A (en)
CA (1) CA957720A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733366A (en) * 1956-01-31 Grimm ctal
US2581487A (en) * 1950-03-01 1952-01-08 Rca Corp Color television reproduction tube

Also Published As

Publication number Publication date
US3720854A (en) 1973-03-13

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