FR2144768B1 - - Google Patents

Info

Publication number
FR2144768B1
FR2144768B1 FR7224168A FR7224168A FR2144768B1 FR 2144768 B1 FR2144768 B1 FR 2144768B1 FR 7224168 A FR7224168 A FR 7224168A FR 7224168 A FR7224168 A FR 7224168A FR 2144768 B1 FR2144768 B1 FR 2144768B1
Authority
FR
France
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
FR7224168A
Other versions
FR2144768A1 (fr
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 JP7041871U external-priority patent/JPS4827754U/ja
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of FR2144768A1 publication Critical patent/FR2144768A1/fr
Application granted granted Critical
Publication of FR2144768B1 publication Critical patent/FR2144768B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H01J31/20—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours
    • H01J31/201—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours using a colour-selection electrode
    • 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
    • H01J29/88—Vessels; Containers; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings
FR7224168A 1971-07-05 1972-07-04 Expired FR2144768B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4883571 1971-07-05
JP7041871U JPS4827754U (fr) 1971-08-09 1971-08-09

Publications (2)

Publication Number Publication Date
FR2144768A1 FR2144768A1 (fr) 1973-02-16
FR2144768B1 true FR2144768B1 (fr) 1976-03-12

Family

ID=26389160

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7224168A Expired FR2144768B1 (fr) 1971-07-05 1972-07-04

Country Status (4)

Country Link
CA (1) CA972026A (fr)
DE (1) DE2232798A1 (fr)
FR (1) FR2144768B1 (fr)
GB (1) GB1354860A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188564A (en) * 1976-12-13 1980-02-12 U.S. Philips Corporation Cathode ray tube having low resistance contact area beneath high voltage contact spring

Also Published As

Publication number Publication date
FR2144768A1 (fr) 1973-02-16
DE2232798A1 (de) 1973-01-25
GB1354860A (en) 1974-06-05
CA972026A (en) 1975-07-29

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Legal Events

Date Code Title Description
ST Notification of lapse