FR818346A - Device for amplifying electronic images using secondary electrons - Google Patents

Device for amplifying electronic images using secondary electrons

Info

Publication number
FR818346A
FR818346A FR818346DA FR818346A FR 818346 A FR818346 A FR 818346A FR 818346D A FR818346D A FR 818346DA FR 818346 A FR818346 A FR 818346A
Authority
FR
France
Prior art keywords
secondary electrons
electronic images
amplifying electronic
amplifying
images
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.)
Robert Bosch Fernsehanlagen GmbH
Original Assignee
Fernseh GmbH
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 Fernseh GmbH filed Critical Fernseh GmbH
Application granted granted Critical
Publication of FR818346A publication Critical patent/FR818346A/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
    • H01J31/50—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output
    • H01J31/506—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output tubes using secondary emission effect
FR818346D 1936-02-24 1937-02-24 Device for amplifying electronic images using secondary electrons Expired FR818346A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE818346X 1936-02-24

Publications (1)

Publication Number Publication Date
FR818346A true FR818346A (en) 1937-09-23

Family

ID=6735413

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818346D Expired FR818346A (en) 1936-02-24 1937-02-24 Device for amplifying electronic images using secondary electrons

Country Status (1)

Country Link
FR (1) FR818346A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE839678C (en) * 1941-07-16 1952-05-23 Telefunken Gmbh Cathode ray tubes with a practically axially directed magnetic field

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE839678C (en) * 1941-07-16 1952-05-23 Telefunken Gmbh Cathode ray tubes with a practically axially directed magnetic field

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