GB492167A - Improvements in or relating to electro-optical image converting or transmitting arrangements - Google Patents

Improvements in or relating to electro-optical image converting or transmitting arrangements

Info

Publication number
GB492167A
GB492167A GB7061/37A GB706137A GB492167A GB 492167 A GB492167 A GB 492167A GB 7061/37 A GB7061/37 A GB 7061/37A GB 706137 A GB706137 A GB 706137A GB 492167 A GB492167 A GB 492167A
Authority
GB
United Kingdom
Prior art keywords
screen
cathode
electro
relating
coil
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
GB7061/37A
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.)
HANS GFRHARD LUBSZYNSKI
Original Assignee
HANS GFRHARD LUBSZYNSKI
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 HANS GFRHARD LUBSZYNSKI filed Critical HANS GFRHARD LUBSZYNSKI
Priority to GB7061/37A priority Critical patent/GB492167A/en
Priority to US193856A priority patent/US2185857A/en
Priority to FR835088D priority patent/FR835088A/en
Publication of GB492167A publication Critical patent/GB492167A/en
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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/64—Magnetic lenses
    • H01J29/66—Magnetic lenses using electromagnetic means only

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Electron Beam Exposure (AREA)

Abstract

492,167. Image converters. LUBSZYNSKI, H. G., and MILLER, H. March 10, 1937, No. 7061. [Class 39 (i)] The electron stream from a large photo-electric cathode C is focused on to a screen S by a magnetizing coil M, whose effect is modified by a magnetic shield. P, in the form of a plate transverse to the magnetic field. The plate may be in front of the coil M or as shown and to obtain increased magnification behind it in relation to the cathode C; or one may be arranged on each side of the coil. It may be inside the envelope containing the cathode and screen or outside ; in the latter case its position may be adjusted. The opening in the screen may be circular or any other shape ; it may be made in sections and may be in the form of an iris diaphragm. Specification 479,420 is referred to.
GB7061/37A 1937-03-10 1937-03-10 Improvements in or relating to electro-optical image converting or transmitting arrangements Expired GB492167A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB7061/37A GB492167A (en) 1937-03-10 1937-03-10 Improvements in or relating to electro-optical image converting or transmitting arrangements
US193856A US2185857A (en) 1937-03-10 1938-03-04 Electro-optical image device
FR835088D FR835088A (en) 1937-03-10 1938-03-10 Improvements to devices for transmitting or modifying electro-optical images

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7061/37A GB492167A (en) 1937-03-10 1937-03-10 Improvements in or relating to electro-optical image converting or transmitting arrangements

Publications (1)

Publication Number Publication Date
GB492167A true GB492167A (en) 1938-09-12

Family

ID=9825857

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7061/37A Expired GB492167A (en) 1937-03-10 1937-03-10 Improvements in or relating to electro-optical image converting or transmitting arrangements

Country Status (3)

Country Link
US (1) US2185857A (en)
FR (1) FR835088A (en)
GB (1) GB492167A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2563525A (en) * 1951-08-07 Image size control device for
US2494459A (en) * 1945-11-09 1950-01-10 Rca Corp Cathode-ray beam deflector
US2533809A (en) * 1948-07-03 1950-12-12 Westinghouse Electric Corp Protection of phosphors from attack by alkali vapors
US2554257A (en) * 1949-12-14 1951-05-22 Westinghouse Electric Corp Protection of phosphors from attack by alkali vapors
NL160744B (en) * 1950-05-04 Mengele & Soehne Masch Karl BENDING MACHINING EQUIPMENT.

Also Published As

Publication number Publication date
US2185857A (en) 1940-01-02
FR835088A (en) 1938-12-12

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