CA1204144A - Tube image a contraste accru - Google Patents

Tube image a contraste accru

Info

Publication number
CA1204144A
CA1204144A CA000410563A CA410563A CA1204144A CA 1204144 A CA1204144 A CA 1204144A CA 000410563 A CA000410563 A CA 000410563A CA 410563 A CA410563 A CA 410563A CA 1204144 A CA1204144 A CA 1204144A
Authority
CA
Canada
Prior art keywords
image
output
tube
image producing
radiation
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
CA000410563A
Other languages
English (en)
Inventor
Donald F. Decou
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.)
Varian Medical Systems Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1204144A publication Critical patent/CA1204144A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/18Luminescent screens
    • H01J29/28Luminescent screens with protective, conductive or reflective layers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/18Luminescent screens
    • H01J29/185Luminescent screens measures against halo-phenomena
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86Vessels; Containers; Vacuum locks
    • H01J29/89Optical or photographic arrangements structurally combined or co-operating with the vessel
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
CA000410563A 1981-10-02 1982-09-01 Tube image a contraste accru Expired CA1204144A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US30791681A 1981-10-02 1981-10-02
US307,916 1981-10-02

Publications (1)

Publication Number Publication Date
CA1204144A true CA1204144A (fr) 1986-05-06

Family

ID=23191723

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000410563A Expired CA1204144A (fr) 1981-10-02 1982-09-01 Tube image a contraste accru

Country Status (5)

Country Link
JP (1) JPS5871539A (fr)
CA (1) CA1204144A (fr)
DE (1) DE3236523A1 (fr)
FR (1) FR2514198B1 (fr)
NL (1) NL8203823A (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB146473A (en) * 1914-01-21 1921-07-07 Harry Rosenthal Improvements in art of coloring glass
FR1202520A (fr) * 1958-09-11 1960-01-11 Nouveau procédé de coloration du verre
FR2028768A1 (en) * 1969-01-21 1970-10-16 Varian Associates Crt video screen
US4087280A (en) * 1977-03-17 1978-05-02 Corning Glass Works Method for enhancing the image contrast in color television picture tubes

Also Published As

Publication number Publication date
NL8203823A (nl) 1983-05-02
DE3236523A1 (de) 1983-04-28
FR2514198A1 (fr) 1983-04-08
JPS5871539A (ja) 1983-04-28
FR2514198B1 (fr) 1986-07-04

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Legal Events

Date Code Title Description
MKEX Expiry