FR1175242A - Improvements to tricolor cathode ray tubes with masks - Google Patents

Improvements to tricolor cathode ray tubes with masks

Info

Publication number
FR1175242A
FR1175242A FR1175242DA FR1175242A FR 1175242 A FR1175242 A FR 1175242A FR 1175242D A FR1175242D A FR 1175242DA FR 1175242 A FR1175242 A FR 1175242A
Authority
FR
France
Prior art keywords
masks
cathode ray
ray tubes
tricolor
tricolor cathode
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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
Priority claimed from US585254A external-priority patent/US2885935A/en
Application filed by RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR1175242A publication Critical patent/FR1175242A/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
    • 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
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H01J29/07—Shadow masks for colour television tubes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes
    • H04N9/18—Picture reproducers using cathode ray tubes using separate electron beams for the primary colour signals
    • H04N9/20—Picture reproducers using cathode ray tubes using separate electron beams for the primary colour signals with more than one beam in a tube
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/07—Shadow masks
    • H01J2229/0727—Aperture plate
    • H01J2229/0788—Parameterised dimensions of aperture plate, e.g. relationships, polynomial expressions

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Lenses (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
FR1175242D 1956-05-16 1957-05-16 Improvements to tricolor cathode ray tubes with masks Expired FR1175242A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US585254A US2885935A (en) 1956-05-16 1956-05-16 Color-kinescopes, etc.
US718870A US3109116A (en) 1956-05-16 1958-03-03 Color-kinescope of the shadow mask variety

Publications (1)

Publication Number Publication Date
FR1175242A true FR1175242A (en) 1959-03-23

Family

ID=27079329

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1175242D Expired FR1175242A (en) 1956-05-16 1957-05-16 Improvements to tricolor cathode ray tubes with masks

Country Status (6)

Country Link
US (1) US3109116A (en)
BE (1) BE557575A (en)
DE (1) DE1095314B (en)
FR (1) FR1175242A (en)
GB (2) GB863068A (en)
NL (2) NL217309A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354341A (en) * 1961-10-09 1967-11-21 Rca Corp Cathode ray tube screen with color areas of differing contours
BE634597A (en) * 1962-07-06
US3435268A (en) * 1966-08-19 1969-03-25 Gen Electric In-line plural beam cathode ray tube with an aspherical aperture mask
NL149323B (en) * 1967-01-12 1976-04-15 Philips Nv ELECTRON BEAM TUBE FOR DISPLAYING COLOR IMAGES.
GB1273459A (en) * 1969-10-30 1972-05-10 Matsushita Electronics Corp Method and apparatus for making colour cathode-ray tube
US4152154A (en) * 1970-06-05 1979-05-01 U.S. Philips Corporation Method of optically projecting a pattern of substantially circular apertures on a photosensitive layer by rotating light source
US3725106A (en) * 1970-10-30 1973-04-03 Matsushita Electronics Corp Method and apparatus of making color cathode ray tube
GB1546889A (en) * 1975-03-19 1979-05-31 Rca Corp Cathode ray tube having shadow mask
US4839556A (en) * 1983-02-25 1989-06-13 Rca Licensing Corporation Cathode-ray tube having an improved shadow mask contour
NL8500340A (en) * 1985-02-07 1986-09-01 Philips Nv TELEVISION ROOM TUBE.
GB9301769D0 (en) * 1993-01-29 1993-03-17 Ind Limited W Opticla system
AU2009228093B2 (en) * 2008-03-28 2014-08-07 Neurelis, Inc. Administration of benzodiazepine compositions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2690518A (en) * 1953-06-01 1954-09-28 Columbia Broadcasting Syst Inc Color picture tube
US2745978A (en) * 1954-08-23 1956-05-15 Rca Corp Cathode ray tube
NL209270A (en) * 1955-07-26
US2937297A (en) * 1957-08-05 1960-05-17 Sylvania Electric Prod Image display device

Also Published As

Publication number Publication date
NL270797A (en)
DE1095314B (en) 1960-12-22
GB863068A (en) 1961-03-15
NL217309A (en)
US3109116A (en) 1963-10-29
GB863067A (en) 1961-03-15
BE557575A (en)

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