GB579804A - Improvements in or relating to photo-electrically active electrodes - Google Patents

Improvements in or relating to photo-electrically active electrodes

Info

Publication number
GB579804A
GB579804A GB15088/40A GB1508840A GB579804A GB 579804 A GB579804 A GB 579804A GB 15088/40 A GB15088/40 A GB 15088/40A GB 1508840 A GB1508840 A GB 1508840A GB 579804 A GB579804 A GB 579804A
Authority
GB
United Kingdom
Prior art keywords
base
edge
cathode
junction
unraised
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
GB15088/40A
Other languages
English (en)
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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
Priority to NL66228D priority Critical patent/NL66228C/xx
Priority to US2563474D priority patent/US2563474A/en
Application filed by EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Priority to GB15088/40A priority patent/GB579804A/en
Publication of GB579804A publication Critical patent/GB579804A/en
Priority to FR932899D priority patent/FR932899A/fr
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
    • H01J29/38—Photoelectric screens; Charge-storage screens not using charge storage, e.g. photo-emissive screen, extended cathode
    • 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
    • H01J31/505—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output flat tubes, e.g. proximity focusing tubes

Landscapes

  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Gas-Filled Discharge Tubes (AREA)
GB15088/40A 1940-10-10 1940-10-10 Improvements in or relating to photo-electrically active electrodes Expired GB579804A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL66228D NL66228C (enrdf_load_stackoverflow) 1940-10-10
US2563474D US2563474A (en) 1940-10-10 Electron emissive cathode
GB15088/40A GB579804A (en) 1940-10-10 1940-10-10 Improvements in or relating to photo-electrically active electrodes
FR932899D FR932899A (fr) 1940-10-10 1946-08-27 Perfectionnements relatifs aux cathodes émettrices d'électrons

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB15088/40A GB579804A (en) 1940-10-10 1940-10-10 Improvements in or relating to photo-electrically active electrodes

Publications (1)

Publication Number Publication Date
GB579804A true GB579804A (en) 1946-08-16

Family

ID=10052811

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15088/40A Expired GB579804A (en) 1940-10-10 1940-10-10 Improvements in or relating to photo-electrically active electrodes

Country Status (4)

Country Link
US (1) US2563474A (enrdf_load_stackoverflow)
FR (1) FR932899A (enrdf_load_stackoverflow)
GB (1) GB579804A (enrdf_load_stackoverflow)
NL (1) NL66228C (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2594740A (en) * 1950-02-17 1952-04-29 Forest Lee De Electronic light amplifier
US2783407A (en) * 1952-06-28 1957-02-26 Vierkotter Paul Source of light
US3058022A (en) * 1959-04-14 1962-10-09 Radiation Res Corp Photoelectric generator
DE1281053B (de) * 1965-02-25 1968-10-24 Telefunken Patent Verfahren zur Herstellung einer flaechenhaften Fotokathode fuer lichtelektrische Roehren
US3940620A (en) * 1974-10-03 1976-02-24 General Electric Company Electrostatic recording of X-ray images

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1921834A (en) * 1929-08-17 1933-08-08 G M Lab Inc Photo-electric tube
US2115855A (en) * 1935-05-23 1938-05-03 Emi Ltd Cathode ray tube
US2175888A (en) * 1936-12-31 1939-10-10 Rca Corp Photoelectric cathode

Also Published As

Publication number Publication date
US2563474A (en) 1951-08-07
NL66228C (enrdf_load_stackoverflow)
FR932899A (fr) 1948-04-05

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