FR868878A - Method for eliminating modulation errors which occur during scanning by a cathode ray tube due to residual fluorescence of the fluorescent material - Google Patents

Method for eliminating modulation errors which occur during scanning by a cathode ray tube due to residual fluorescence of the fluorescent material

Info

Publication number
FR868878A
FR868878A FR868878DA FR868878A FR 868878 A FR868878 A FR 868878A FR 868878D A FR868878D A FR 868878DA FR 868878 A FR868878 A FR 868878A
Authority
FR
France
Prior art keywords
ray tube
cathode ray
fluorescent material
occur during
during scanning
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.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
C Lorenz AG
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 Standard Elektrik Lorenz AG, C Lorenz AG filed Critical Standard Elektrik Lorenz AG
Application granted granted Critical
Publication of FR868878A publication Critical patent/FR868878A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/257—Picture signal generators using flying-spot scanners
    • 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
    • H01J29/18—Luminescent screens
    • H01J29/182—Luminescent screens acting upon the lighting-up of the luminescent material other than by the composition of the luminescent material, e.g. by infra red or UV radiation, heating or electric fields

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
FR868878D 1939-09-05 1940-12-31 Method for eliminating modulation errors which occur during scanning by a cathode ray tube due to residual fluorescence of the fluorescent material Expired FR868878A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE228104X 1939-09-05

Publications (1)

Publication Number Publication Date
FR868878A true FR868878A (en) 1942-01-19

Family

ID=5867020

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868878D Expired FR868878A (en) 1939-09-05 1940-12-31 Method for eliminating modulation errors which occur during scanning by a cathode ray tube due to residual fluorescence of the fluorescent material

Country Status (4)

Country Link
US (1) US2297499A (en)
BE (1) BE439852A (en)
CH (1) CH228104A (en)
FR (1) FR868878A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE871908C (en) * 1942-03-27 1953-03-26 Telefunken Gmbh Circuit arrangement for television image splitter

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2495534A (en) * 1945-10-26 1950-01-24 John W Meaker Apparatus for perforating sheet material
US2617879A (en) * 1948-06-18 1952-11-11 Rca Corp Signal quantizer
US2764697A (en) * 1950-11-02 1956-09-25 Rca Corp Image scanning system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE871908C (en) * 1942-03-27 1953-03-26 Telefunken Gmbh Circuit arrangement for television image splitter

Also Published As

Publication number Publication date
CH228104A (en) 1943-07-31
US2297499A (en) 1942-09-29
BE439852A (en)

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