FR2325083A1 - Procede pour preparer un filtre de correction, notamment pour realiser des ecrans cathodiques - Google Patents

Procede pour preparer un filtre de correction, notamment pour realiser des ecrans cathodiques

Info

Publication number
FR2325083A1
FR2325083A1 FR7428394A FR7428394A FR2325083A1 FR 2325083 A1 FR2325083 A1 FR 2325083A1 FR 7428394 A FR7428394 A FR 7428394A FR 7428394 A FR7428394 A FR 7428394A FR 2325083 A1 FR2325083 A1 FR 2325083A1
Authority
FR
France
Prior art keywords
screens
preparing
correction filter
cathodic
making
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.)
Pending
Application number
FR7428394A
Other languages
English (en)
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
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 FR2325083A1 publication Critical patent/FR2325083A1/fr
Pending 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Optical Filters (AREA)
FR7428394A 1973-08-20 1974-08-19 Procede pour preparer un filtre de correction, notamment pour realiser des ecrans cathodiques Pending FR2325083A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/389,727 US3953209A (en) 1973-08-20 1973-08-20 Method for preparing supplemental filter for lighthouse

Publications (1)

Publication Number Publication Date
FR2325083A1 true FR2325083A1 (fr) 1977-04-15

Family

ID=23539477

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7428394A Pending FR2325083A1 (fr) 1973-08-20 1974-08-19 Procede pour preparer un filtre de correction, notamment pour realiser des ecrans cathodiques

Country Status (8)

Country Link
US (1) US3953209A (en:Method)
JP (1) JPS5643588B2 (en:Method)
BE (1) BE818992A (en:Method)
BR (1) BR7406731D0 (en:Method)
CA (1) CA1039998A (en:Method)
FR (1) FR2325083A1 (en:Method)
GB (1) GB1476515A (en:Method)
IT (1) IT1015391B (en:Method)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL204098A (en:Method) * 1955-02-01
NL294994A (en:Method) * 1962-07-06
US3582326A (en) * 1963-10-18 1971-06-01 Sylvania Electric Prod Photographic process for forming a light intensity correcting filter used in exposing a color crt screen
US3420150A (en) * 1965-05-10 1969-01-07 Rauland Corp Lighthouse intensity exposure control lens
US3592112A (en) * 1969-07-25 1971-07-13 Rca Corp Photographic printing of cathode-ray tube screen structure
US3676129A (en) * 1969-12-01 1972-07-11 Rca Corp Method for making a light intensity correction filter
US3636836A (en) * 1970-06-01 1972-01-25 Rca Corp Photographic process for preparing a screen structure for a cathode-ray tube
JPS4721552U (en:Method) * 1971-03-05 1972-11-10
JPS5040938B1 (en:Method) * 1971-03-05 1975-12-27

Also Published As

Publication number Publication date
US3953209A (en) 1976-04-27
BE818992A (fr) 1974-12-16
JPS5051253A (en:Method) 1975-05-08
GB1476515A (en) 1977-06-16
BR7406731D0 (pt) 1975-06-03
CA1039998A (en) 1978-10-10
DE2439861B2 (de) 1977-02-10
IT1015391B (it) 1977-05-10
DE2439861A1 (de) 1975-03-06
AU7228874A (en) 1976-02-19
JPS5643588B2 (en:Method) 1981-10-13

Similar Documents

Publication Publication Date Title
YU36946B (en) Process for obtaining hexahydro-dibenzo(b,d)-pyrane-9-one compounds
RO71766A (ro) Procedeu pentru prepararea hexahidrodibenzo-(b,d)-piranilor
RO63727A (fr) Procede pour la preparation des 4-oxo-2h-1,2-benzothiazine-3-carboxamides
RO64527A (fr) Procede pour preparer des 1-propyleimidazolile-derives
BE812245A (fr) Procede pour constituer
FR2283513A1 (fr) Procede pour exploiter un element de compensation
BE811600A (fr) Procede de filtration
RO63906A (fr) Procede pour preparer des derives de la 2-aryleamino-2-imidazoline
RO70688A (ro) Procedeu de preparare a 3-metil-1,4-dioxan-2,5-dionei
BE822137A (fr) Procede de realisation d'un puits filtrant
RO63842A (fr) Procede pour preparer des 7-acyleamido-7-methoxy-cephal
BE819747A (fr) Procede de preparation de dispersions de carbonate de calcium finement divisees
BE811070A (fr) Procede de preparation de chloropyrimidines
RO70260A (ro) Procedeu pentru prepararea unor benzilamine
BE823317A (fr) Procede de preparation de beta-chloroethyl-methyl-dichlorosilane
BE849642A (fr) Procede pour preparer un compose de type morpholine
BE836051A (fr) Procede pour preparer des ethers
BE820456A (fr) Procede de preparation de cephalosporine c
RO65660A (fr) Procede pour obtenir thiono-thiol-phosphates
FR2296011A1 (fr) Procede pour preparer une cholesterol-oxydase
BE810087A (fr) Procede de preparation de triceto-2,4,5- imidazolidines
BE818992A (fr) Procede pour preparer un filtre de correction
RO73005A (ro) Procedeu pentru prepararea n,n-dialildicloracetamidei
BE813672A (fr) Procede de preparation de trimethylbenzoquinone
BE818196A (fr) Procede pour ameliorer la qualite de la presure microbienne