FR2228291B1 - - Google Patents

Info

Publication number
FR2228291B1
FR2228291B1 FR7415026A FR7415026A FR2228291B1 FR 2228291 B1 FR2228291 B1 FR 2228291B1 FR 7415026 A FR7415026 A FR 7415026A FR 7415026 A FR7415026 A FR 7415026A FR 2228291 B1 FR2228291 B1 FR 2228291B1
Authority
FR
France
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
FR7415026A
Other versions
FR2228291A1 (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
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 FR2228291A1 publication Critical patent/FR2228291A1/fr
Application granted granted Critical
Publication of FR2228291B1 publication Critical patent/FR2228291B1/fr
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)
FR7415026A 1973-05-02 1974-04-30 Expired FR2228291B1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2228291A1 FR2228291A1 (fr) 1974-11-29
FR2228291B1 true FR2228291B1 (fr) 1976-12-17

Family

ID=23401486

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7415026A Expired FR2228291B1 (fr) 1973-05-02 1974-04-30

Country Status (9)

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

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 (fr) * 1971-03-05 1972-11-10
NL7106346A (fr) * 1971-05-08 1972-11-10

Also Published As

Publication number Publication date
IT1010900B (it) 1977-01-20
JPS5017169A (fr) 1975-02-22
FR2228291A1 (fr) 1974-11-29
AU6845974A (en) 1975-11-06
JPS5339305B2 (fr) 1978-10-20
DE2421253B2 (de) 1977-06-08
CA1031208A (fr) 1978-05-16
NL7405484A (fr) 1974-11-05
GB1473388A (en) 1977-05-11
DE2421253A1 (de) 1974-11-14
US3782253A (en) 1974-01-01
BR7403503D0 (pt) 1974-11-19
BE814361A (fr) 1974-08-16

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Legal Events

Date Code Title Description
ST Notification of lapse