FR990240A - Improvements to slow electron image analyzer tubes - Google Patents

Improvements to slow electron image analyzer tubes

Info

Publication number
FR990240A
FR990240A FR990240DA FR990240A FR 990240 A FR990240 A FR 990240A FR 990240D A FR990240D A FR 990240DA FR 990240 A FR990240 A FR 990240A
Authority
FR
France
Prior art keywords
image analyzer
electron image
slow electron
analyzer tubes
tubes
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger SA
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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Application granted granted Critical
Publication of FR990240A publication Critical patent/FR990240A/en
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
    • H01J31/26—Image pick-up tubes having an input of visible light and electric output
    • H01J31/28—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen
    • H01J31/34—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen having regulation of screen potential at cathode potential, e.g. orthicon
    • H01J31/36—Tubes with image amplification section, e.g. image-orthicon
FR990240D 1949-05-02 1949-05-02 Improvements to slow electron image analyzer tubes Expired FR990240A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR990240T 1949-05-02

Publications (1)

Publication Number Publication Date
FR990240A true FR990240A (en) 1951-09-19

Family

ID=9542566

Family Applications (1)

Application Number Title Priority Date Filing Date
FR990240D Expired FR990240A (en) 1949-05-02 1949-05-02 Improvements to slow electron image analyzer tubes

Country Status (1)

Country Link
FR (1) FR990240A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003075A (en) * 1950-12-05 1961-10-03 Rca Corp Infra-red sensitive devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003075A (en) * 1950-12-05 1961-10-03 Rca Corp Infra-red sensitive devices

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