FR952216A - Device for secondary control of the intensity of cathode rays - Google Patents

Device for secondary control of the intensity of cathode rays

Info

Publication number
FR952216A
FR952216A FR952216DA FR952216A FR 952216 A FR952216 A FR 952216A FR 952216D A FR952216D A FR 952216DA FR 952216 A FR952216 A FR 952216A
Authority
FR
France
Prior art keywords
intensity
secondary control
cathode rays
rays
cathode
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.)
Patelhold Patenverwertungs and Elektro-Holding AG
Original Assignee
Patelhold Patenverwertungs and Elektro-Holding AG
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 Patelhold Patenverwertungs and Elektro-Holding AG filed Critical Patelhold Patenverwertungs and Elektro-Holding AG
Application granted granted Critical
Publication of FR952216A publication Critical patent/FR952216A/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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/52—Arrangements for controlling intensity of ray or beam, e.g. for modulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/02—Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused
FR952216D 1946-08-23 1947-08-21 Device for secondary control of the intensity of cathode rays Expired FR952216A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH661366X 1946-08-23

Publications (1)

Publication Number Publication Date
FR952216A true FR952216A (en) 1949-11-14

Family

ID=4526917

Family Applications (1)

Application Number Title Priority Date Filing Date
FR952216D Expired FR952216A (en) 1946-08-23 1947-08-21 Device for secondary control of the intensity of cathode rays

Country Status (5)

Country Link
US (1) US2521255A (en)
BE (1) BE475602A (en)
CH (1) CH256143A (en)
FR (1) FR952216A (en)
GB (1) GB661366A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2670405A (en) * 1948-06-10 1954-02-23 Bell Telephone Labor Inc Signaling system employing electron beams
GB707534A (en) * 1950-02-08 1954-04-21 Canadian Patents Dev Electronic vacuum tube

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE404109A (en) * 1933-07-08
GB435623A (en) * 1934-03-26 1935-09-25 Leonard Francis Broadway Improvements in or relating to cathode ray tubes
GB452589A (en) * 1935-02-25 1936-08-25 Frederick Hermes Nicoll Improvements in cathode ray tubes
BE428830A (en) * 1937-06-29
GB505751A (en) * 1937-09-13 1939-05-15 Frederick Hermes Nicoll Improvements in or relating to cathode ray tubes
BE434865A (en) * 1938-06-13
GB521199A (en) * 1938-11-09 1940-05-15 John Henry Owen Harries Improvements in and relating to the production and control of electron streams
US2263369A (en) * 1939-02-03 1941-11-18 Hartford Nat Bank & Trust Co Multiplex telephony system

Also Published As

Publication number Publication date
GB661366A (en) 1951-11-21
US2521255A (en) 1950-09-05
CH256143A (en) 1948-07-31
BE475602A (en)

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