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FR57514E - Perfectionnements aux tubes à rayons cathodiques - Google Patents

Perfectionnements aux tubes à rayons cathodiques

Info

Publication number
FR57514E
FR57514E FR57514DA FR57514E FR 57514 E FR57514 E FR 57514E FR 57514D A FR57514D A FR 57514DA FR 57514 E FR57514 E FR 57514E
Authority
FR
France
Prior art keywords
cathode ray
ray tubes
tubes
cathode
ray
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
Other languages
English (en)
Inventor
Charles Norman Smyth
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR57514E publication Critical patent/FR57514E/fr
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
    • 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
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/861—Vessels or containers characterised by the form or the structure thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/86—Vessels and containers
    • H01J2229/8603—Neck or cone portions of the CRT vessel
    • H01J2229/8606—Neck or cone portions of the CRT vessel characterised by the shape
    • H01J2229/8609—Non circular cross-sections
FR57514D 1939-02-17 1947-08-07 Perfectionnements aux tubes à rayons cathodiques Expired FR57514E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB532339A GB525181A (en) 1939-02-17 1939-02-17 Improvements in or relating to cathode ray tubes

Publications (1)

Publication Number Publication Date
FR57514E true FR57514E (fr) 1953-01-29

Family

ID=9793943

Family Applications (2)

Application Number Title Priority Date Filing Date
FR57514D Expired FR57514E (fr) 1939-02-17 1947-08-07 Perfectionnements aux tubes à rayons cathodiques
FR951671D Expired FR951671A (fr) 1939-02-17 1947-08-07 Perfectionnements aux tubes à rayons cathodiques

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR951671D Expired FR951671A (fr) 1939-02-17 1947-08-07 Perfectionnements aux tubes à rayons cathodiques

Country Status (3)

Country Link
BE (1) BE476130A (fr)
FR (2) FR57514E (fr)
GB (1) GB525181A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE494775A (fr) * 1949-03-30
DE947719C (de) * 1949-09-13 1956-08-23 Philips Nv Elektronenstrahlroehre mit einem rechteckigen, gewoelbten Glasschirm, der an einem metallenen Pyramidenstumpf angeschmolzen ist
NL256122A (fr) * 1959-09-23
US3132017A (en) * 1959-09-23 1964-05-05 Owens Illinois Glass Co Method of forming cathode ray tube body portion
US3806750A (en) * 1969-02-28 1974-04-23 Tokyo Shibaura Electric Co Wide angle type cathode-ray tube
KR100330146B1 (ko) * 1998-09-19 2002-09-04 삼성에스디아이 주식회사 음극선관

Also Published As

Publication number Publication date
FR951671A (fr) 1949-11-02
GB525181A (en) 1940-08-22
BE476130A (fr)

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