FR1040709A - Electric discharge device - Google Patents

Electric discharge device

Info

Publication number
FR1040709A
FR1040709A FR1040709DA FR1040709A FR 1040709 A FR1040709 A FR 1040709A FR 1040709D A FR1040709D A FR 1040709DA FR 1040709 A FR1040709 A FR 1040709A
Authority
FR
France
Prior art keywords
discharge device
electric discharge
electric
discharge
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Application granted granted Critical
Publication of FR1040709A publication Critical patent/FR1040709A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/26—Modifications of scanning arrangements to improve focusing
    • 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
    • H01J29/62—Electrostatic lenses
    • H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
    • H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
FR1040709D 1950-04-21 1951-04-18 Electric discharge device Expired FR1040709A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1040709X 1950-04-21

Publications (1)

Publication Number Publication Date
FR1040709A true FR1040709A (en) 1953-10-19

Family

ID=10869810

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1040709D Expired FR1040709A (en) 1950-04-21 1951-04-18 Electric discharge device

Country Status (1)

Country Link
FR (1) FR1040709A (en)

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