DE891305C - Entladungsroehre mit photoelektrischer Kathode - Google Patents

Entladungsroehre mit photoelektrischer Kathode

Info

Publication number
DE891305C
DE891305C DEF4594D DEF0004594D DE891305C DE 891305 C DE891305 C DE 891305C DE F4594 D DEF4594 D DE F4594D DE F0004594 D DEF0004594 D DE F0004594D DE 891305 C DE891305 C DE 891305C
Authority
DE
Germany
Prior art keywords
cathode
electrons
oxide
photoelectric
photocathode
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
DEF4594D
Other languages
German (de)
English (en)
Inventor
Werner Dr-Ing Hartmann
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
Priority to DEF4594D priority Critical patent/DE891305C/de
Priority to BE437124D priority patent/BE437124A/xx
Priority to NL96024A priority patent/NL60019C/xx
Priority to FR872430D priority patent/FR872430A/fr
Application granted granted Critical
Publication of DE891305C publication Critical patent/DE891305C/de
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00Cathode ray tubes; Electron beam tubes
    • H01J31/08Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/50Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output
    • H01J31/54Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output in which the electron ray or beam is reflected by the image input screen on to the image output screen
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/36Photoelectric screens; Charge-storage screens
    • H01J29/38Photoelectric screens; Charge-storage screens not using charge storage, e.g. photo-emissive screen, extended cathode

Landscapes

  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
DEF4594D 1938-12-04 1938-12-04 Entladungsroehre mit photoelektrischer Kathode Expired DE891305C (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DEF4594D DE891305C (de) 1938-12-04 1938-12-04 Entladungsroehre mit photoelektrischer Kathode
BE437124D BE437124A (US07122603-20061017-C00294.png) 1938-12-04 1939-11-22
NL96024A NL60019C (US07122603-20061017-C00294.png) 1938-12-04 1939-11-24
FR872430D FR872430A (fr) 1938-12-04 1941-05-23 Tube à décharge à cathode photoélectrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF4594D DE891305C (de) 1938-12-04 1938-12-04 Entladungsroehre mit photoelektrischer Kathode

Publications (1)

Publication Number Publication Date
DE891305C true DE891305C (de) 1953-09-28

Family

ID=7084256

Family Applications (1)

Application Number Title Priority Date Filing Date
DEF4594D Expired DE891305C (de) 1938-12-04 1938-12-04 Entladungsroehre mit photoelektrischer Kathode

Country Status (4)

Country Link
BE (1) BE437124A (US07122603-20061017-C00294.png)
DE (1) DE891305C (US07122603-20061017-C00294.png)
FR (1) FR872430A (US07122603-20061017-C00294.png)
NL (1) NL60019C (US07122603-20061017-C00294.png)

Also Published As

Publication number Publication date
BE437124A (US07122603-20061017-C00294.png) 1939-12-30
NL60019C (US07122603-20061017-C00294.png) 1947-10-15
FR872430A (fr) 1942-06-08

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