FR835088A - Improvements to devices for transmitting or modifying electro-optical images - Google Patents

Improvements to devices for transmitting or modifying electro-optical images

Info

Publication number
FR835088A
FR835088A FR835088DA FR835088A FR 835088 A FR835088 A FR 835088A FR 835088D A FR835088D A FR 835088DA FR 835088 A FR835088 A FR 835088A
Authority
FR
France
Prior art keywords
transmitting
devices
optical images
modifying electro
electro
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.)
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
Application filed by EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR835088A publication Critical patent/FR835088A/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)
FR835088D 1937-03-10 1938-03-10 Improvements to devices for transmitting or modifying electro-optical images Expired FR835088A (en)

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
FR835088A true FR835088A (en) 1938-12-12

Family

ID=9825857

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835088D Expired FR835088A (en) 1937-03-10 1938-03-10 Improvements to devices for transmitting or modifying electro-optical images

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
GB492167A (en) 1938-09-12
US2185857A (en) 1940-01-02

Similar Documents

Publication Publication Date Title
FR835088A (en) Improvements to devices for transmitting or modifying electro-optical images
FR796733A (en) Improvements to transmitting devices for television
FR789233A (en) Coupling device for intercommunications
FR836916A (en) Improvements to vehicle supports
FR734220A (en) Improvements to suspension devices
FR820324A (en) Improvements to transmitting systems for television
FR835052A (en) Improvements to signaling devices for railways
FR829666A (en) Improvements to gear changes for automobiles
FR749425A (en) Improvements to devices for advertising
FR721240A (en) Improvements to pumps for powdery materials
FR834477A (en) Improvements made to obturating devices for tubes or the like
FR831156A (en) Improvements to transmitting devices for television
FR836881A (en) Improvements to advertising or advertising devices
FR764834A (en) Improvements to electrical devices for the creation of forces
FR831813A (en) Improvements made to brake application devices
FR831863A (en) Improvements to signaling devices for airports
FR843574A (en) Elastic seal for transmission
FR769875A (en) Improvements made to mud flaps for cycles
FR783359A (en) Improvements to lifting devices for vehicles
FR837615A (en) Improvements to systems for transmitting indications
FR758345A (en) Devices applicable to filtration apparatus
FR764254A (en) Improvements to guide devices for jacks
FR832076A (en) Improvements to transmission devices
FR736649A (en) Improvements to mower coupling devices
FR758132A (en) Improvements to transmission devices