FR1421768A - Perfectionnements aux dispositifs de focalisation et de déflexion - Google Patents

Perfectionnements aux dispositifs de focalisation et de déflexion

Info

Publication number
FR1421768A
FR1421768A FR539A FR539A FR1421768A FR 1421768 A FR1421768 A FR 1421768A FR 539 A FR539 A FR 539A FR 539 A FR539 A FR 539A FR 1421768 A FR1421768 A FR 1421768A
Authority
FR
France
Prior art keywords
focusing
deflection devices
deflection
devices
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
FR539A
Other languages
English (en)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR1421768A publication Critical patent/FR1421768A/fr
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
    • H01J29/465—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement for simultaneous focalisation and deflection of ray or beam
    • 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
    • H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
    • 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
    • H01J29/70—Arrangements for deflecting ray or beam
    • H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
    • H01J29/74—Deflecting by electric fields only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H04N5/7425—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being a dielectric deformable layer controlled by an electron beam, e.g. eidophor projector

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
FR539A 1964-01-02 1964-12-31 Perfectionnements aux dispositifs de focalisation et de déflexion Expired FR1421768A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33511764A 1964-01-02 1964-01-02

Publications (1)

Publication Number Publication Date
FR1421768A true FR1421768A (fr) 1965-12-17

Family

ID=23310335

Family Applications (1)

Application Number Title Priority Date Filing Date
FR539A Expired FR1421768A (fr) 1964-01-02 1964-12-31 Perfectionnements aux dispositifs de focalisation et de déflexion

Country Status (4)

Country Link
CH (1) CH435463A (fr)
DE (1) DE1268283B (fr)
FR (1) FR1421768A (fr)
GB (1) GB1082387A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4779024A (en) * 1986-08-26 1988-10-18 General Electric Company Deflection system for light valve projectors of the schlieren dark field type

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2206668A (en) * 1936-05-26 1940-07-02 Telefunken Gmbh Electronic device

Also Published As

Publication number Publication date
DE1268283B (de) 1968-05-16
CH435463A (de) 1967-05-15
GB1082387A (en) 1967-09-06

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