FR835007A - Improvements to cathode ray tubes - Google Patents

Improvements to cathode ray tubes

Info

Publication number
FR835007A
FR835007A FR835007DA FR835007A FR 835007 A FR835007 A FR 835007A FR 835007D A FR835007D A FR 835007DA FR 835007 A FR835007 A FR 835007A
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
French (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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR835007A publication Critical patent/FR835007A/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
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/36—Photoelectric screens; Charge-storage screens
    • H01J29/39—Charge-storage screens
    • H01J29/43—Charge-storage screens using photo-emissive mosaic, e.g. for orthicon, for iconoscope
FR835007D 1937-03-30 1938-03-09 Improvements to cathode ray tubes Expired FR835007A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US133899A US2178232A (en) 1937-03-30 1937-03-30 Cathode ray tube

Publications (1)

Publication Number Publication Date
FR835007A true FR835007A (en) 1938-12-09

Family

ID=22460810

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835007D Expired FR835007A (en) 1937-03-30 1938-03-09 Improvements to cathode ray tubes

Country Status (4)

Country Link
US (1) US2178232A (en)
CH (1) CH203272A (en)
FR (1) FR835007A (en)
GB (1) GB491292A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2533387A (en) * 1948-11-16 1950-12-12 Nat Union Radio Corp Method and apparatus for making dynodes
US2700626A (en) * 1949-12-09 1955-01-25 Bell Telephone Labor Inc Secondary electron emissive electrodes
US3195971A (en) * 1961-01-05 1965-07-20 Sylvania Electric Prod Process for removing electrically conductive coatings from ceramics

Also Published As

Publication number Publication date
CH203272A (en) 1939-02-28
US2178232A (en) 1939-10-31
GB491292A (en) 1938-08-30

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