FR941201A - Cathodic oscillograph protection device - Google Patents

Cathodic oscillograph protection device

Info

Publication number
FR941201A
FR941201A FR941201DA FR941201A FR 941201 A FR941201 A FR 941201A FR 941201D A FR941201D A FR 941201DA FR 941201 A FR941201 A FR 941201A
Authority
FR
France
Prior art keywords
protection device
oscillograph
cathodic
cathodic oscillograph
protection
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
French (fr)
Inventor
Horace Atwood Jr
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 FR941201A publication Critical patent/FR941201A/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
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/89—Optical or photographic arrangements structurally combined or co-operating with the vessel
    • 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
    • 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
    • H01J29/867—Means associated with the outside of the vessel for shielding, e.g. magnetic shields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/89—Optical components associated with the vessel
    • H01J2229/8909—Baffles, shutters, apertures or the like against external light
    • H01J2229/8911—Large-scale devices, e.g. foldable screens
FR941201D 1943-12-20 1946-03-27 Cathodic oscillograph protection device Expired FR941201A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US259504XA 1943-12-20 1943-12-20

Publications (1)

Publication Number Publication Date
FR941201A true FR941201A (en) 1949-01-05

Family

ID=21828955

Family Applications (1)

Application Number Title Priority Date Filing Date
FR941201D Expired FR941201A (en) 1943-12-20 1946-03-27 Cathodic oscillograph protection device

Country Status (4)

Country Link
BE (1) BE467894A (en)
CH (1) CH259504A (en)
FR (1) FR941201A (en)
GB (1) GB586104A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4556821A (en) * 1984-03-15 1985-12-03 Rca Corporation Color image display system having an improved external magnetic shield

Also Published As

Publication number Publication date
BE467894A (en)
CH259504A (en) 1949-01-31
GB586104A (en) 1947-03-06

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