GB1473388A - Colour picture tube screening method - Google Patents

Colour picture tube screening method

Info

Publication number
GB1473388A
GB1473388A GB1903374A GB1903374A GB1473388A GB 1473388 A GB1473388 A GB 1473388A GB 1903374 A GB1903374 A GB 1903374A GB 1903374 A GB1903374 A GB 1903374A GB 1473388 A GB1473388 A GB 1473388A
Authority
GB
United Kingdom
Prior art keywords
lens
motion
hexagons
picture tube
colour picture
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
GB1903374A
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Publication of GB1473388A publication Critical patent/GB1473388A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus 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
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
    • H01J9/22—Applying luminescent coatings
    • H01J9/227—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines
    • H01J9/2271—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines by photographic processes
    • H01J9/2272—Devices for carrying out the processes, e.g. light houses
    • H01J9/2273—Auxiliary lenses and filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
    • 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
    • H01J29/30—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines
    • H01J29/32—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines with adjacent dots or lines of different luminescent material, e.g. for colour television
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus 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
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Microscoopes, Condenser (AREA)
GB1903374A 1973-05-02 1974-05-01 Colour picture tube screening method Expired GB1473388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35645573A 1973-05-02 1973-05-02

Publications (1)

Publication Number Publication Date
GB1473388A true GB1473388A (en) 1977-05-11

Family

ID=23401486

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1903374A Expired GB1473388A (en) 1973-05-02 1974-05-01 Colour picture tube screening method

Country Status (9)

Country Link
US (1) US3782253A (enrdf_load_stackoverflow)
JP (1) JPS5339305B2 (enrdf_load_stackoverflow)
BE (1) BE814361A (enrdf_load_stackoverflow)
BR (1) BR7403503D0 (enrdf_load_stackoverflow)
CA (1) CA1031208A (enrdf_load_stackoverflow)
FR (1) FR2228291B1 (enrdf_load_stackoverflow)
GB (1) GB1473388A (enrdf_load_stackoverflow)
IT (1) IT1010900B (enrdf_load_stackoverflow)
NL (1) NL7405484A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4521501A (en) * 1983-07-14 1985-06-04 Rca Corporation Method for reducing degradation of an optical image in an exposure lighthouse

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3279340A (en) * 1964-03-19 1966-10-18 Rca Corp Art of making color-phosphor mosaic screens
US3628850A (en) * 1970-02-24 1971-12-21 Hitachi Ltd Correcting lens
JPS4721552U (enrdf_load_stackoverflow) * 1971-03-05 1972-11-10
NL7106346A (enrdf_load_stackoverflow) * 1971-05-08 1972-11-10

Also Published As

Publication number Publication date
BE814361A (fr) 1974-08-16
JPS5339305B2 (enrdf_load_stackoverflow) 1978-10-20
DE2421253A1 (de) 1974-11-14
DE2421253B2 (de) 1977-06-08
CA1031208A (en) 1978-05-16
BR7403503D0 (pt) 1974-11-19
US3782253A (en) 1974-01-01
JPS5017169A (enrdf_load_stackoverflow) 1975-02-22
FR2228291A1 (enrdf_load_stackoverflow) 1974-11-29
FR2228291B1 (enrdf_load_stackoverflow) 1976-12-17
NL7405484A (enrdf_load_stackoverflow) 1974-11-05
AU6845974A (en) 1975-11-06
IT1010900B (it) 1977-01-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]