NL225220A - - Google Patents

Info

Publication number
NL225220A
NL225220A NL225220DA NL225220A NL 225220 A NL225220 A NL 225220A NL 225220D A NL225220D A NL 225220DA NL 225220 A NL225220 A NL 225220A
Authority
NL
Netherlands
Application number
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.)
Publication of NL225220A publication Critical patent/NL225220A/xx

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
NL225220D 1957-02-25 NL225220A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US642073A US2908838A (en) 1957-02-25 1957-02-25 Aperture mask treatment to prevent cathode poisoning

Publications (1)

Publication Number Publication Date
NL225220A true NL225220A (enrdf_load_html_response)

Family

ID=24575074

Family Applications (1)

Application Number Title Priority Date Filing Date
NL225220D NL225220A (enrdf_load_html_response) 1957-02-25

Country Status (7)

Country Link
US (1) US2908838A (enrdf_load_html_response)
BE (1) BE565080A (enrdf_load_html_response)
CH (1) CH347225A (enrdf_load_html_response)
DE (1) DE1091674B (enrdf_load_html_response)
FR (1) FR1200214A (enrdf_load_html_response)
GB (1) GB841405A (enrdf_load_html_response)
NL (1) NL225220A (enrdf_load_html_response)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2165703A1 (de) * 1971-12-30 1973-07-12 Hitachi Ltd Lochmasken fuer farbbildroehren
US4621214A (en) * 1984-04-19 1986-11-04 Rca Corporation Color selection means having a charged insulator portion for a cathode-ray tube
US4622084A (en) * 1985-01-29 1986-11-11 Chang Kern K N Method of sealing a mount in a cathode-ray tube

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2279168A (en) * 1940-02-29 1942-04-07 Westinghouse Electric & Mfg Co Process for kovar-glass seals
BE479146A (enrdf_load_html_response) * 1941-12-31
US2392099A (en) * 1943-07-29 1946-01-01 Bell Telephone Labor Inc Manufacture of glass sealed contact units
US2777084A (en) * 1952-04-12 1957-01-08 Gen Electric Plastic electrode structure for electron tubes
US2805360A (en) * 1954-10-08 1957-09-03 Gen Dynamics Corp Image storage apparatus

Also Published As

Publication number Publication date
FR1200214A (fr) 1959-12-18
BE565080A (enrdf_load_html_response)
CH347225A (fr) 1960-06-30
US2908838A (en) 1959-10-13
GB841405A (en) 1960-07-13
DE1091674B (de) 1960-10-27

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