GB1070395A - Circuit arrangement with an image-converter tube or image-amplifying tube - Google Patents

Circuit arrangement with an image-converter tube or image-amplifying tube

Info

Publication number
GB1070395A
GB1070395A GB2908964A GB2908964A GB1070395A GB 1070395 A GB1070395 A GB 1070395A GB 2908964 A GB2908964 A GB 2908964A GB 2908964 A GB2908964 A GB 2908964A GB 1070395 A GB1070395 A GB 1070395A
Authority
GB
United Kingdom
Prior art keywords
image
tube
circuit arrangement
electrodes
scale
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
GB2908964A
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.)
Telefunken Patentverwertungs GmbH
Original Assignee
Telefunken Patentverwertungs 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 Telefunken Patentverwertungs GmbH filed Critical Telefunken Patentverwertungs GmbH
Publication of GB1070395A publication Critical patent/GB1070395A/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
    • H01J31/501—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output with an electrostatic electron optic system

Landscapes

  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)

Abstract

1,070,395. Image converter tubes. TELEFUNKEN PATENTVERWERTUNGS G.m.b.H. July 15, 1964 [July 15, 1963], No. 29089/64. Heading H1D. A circuit arrangement comprises an imageconverter tube or image-amplifying tube which has at least one first 2 and one second 3 focusing electrode, seen in the direction of the electrons, between the cathode electrode 1 connected to the photo-cathode 5 and the anode electrode 4 connected to the luminescent screen 6, and the two focusing electrodes 2, 3 are connected to potential sources which can be adjusted or switched over for the purpose of varying the reproduction scale. The potential on the first focusing electrode is not higher than that on the two electrodes adjacent to it and is made increasingly negative, relative thereto, in order to increase the scale of the image on the screen. It is stated that potentials on electrodes 1, 2, 3, 4 of 0, 0, 0, # 4 kv. respectively give a reproduction scale of 0.4 to 1, and potentials of 0, - 3.3, + 4, + 4 kv. respectively give a reproduction scale of 1 to 1.
GB2908964A 1963-07-15 1964-07-15 Circuit arrangement with an image-converter tube or image-amplifying tube Expired GB1070395A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET0024295 1963-07-15

Publications (1)

Publication Number Publication Date
GB1070395A true GB1070395A (en) 1967-06-01

Family

ID=7551390

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2908964A Expired GB1070395A (en) 1963-07-15 1964-07-15 Circuit arrangement with an image-converter tube or image-amplifying tube

Country Status (3)

Country Link
DE (1) DE1439632C3 (en)
GB (1) GB1070395A (en)
NL (1) NL147576B (en)

Also Published As

Publication number Publication date
DE1439632B2 (en) 1973-11-08
DE1439632A1 (en) 1969-01-09
NL6407479A (en) 1965-01-18
DE1439632C3 (en) 1974-06-06
NL147576B (en) 1975-10-15

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