IT1015391B - Metodo di preparazione di un filtro supplementare per una camera di esposizioni - Google Patents

Metodo di preparazione di un filtro supplementare per una camera di esposizioni

Info

Publication number
IT1015391B
IT1015391B IT24411/74A IT2441174A IT1015391B IT 1015391 B IT1015391 B IT 1015391B IT 24411/74 A IT24411/74 A IT 24411/74A IT 2441174 A IT2441174 A IT 2441174A IT 1015391 B IT1015391 B IT 1015391B
Authority
IT
Italy
Prior art keywords
preparing
additional filter
exhibition chamber
exhibition
chamber
Prior art date
Application number
IT24411/74A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT1015391B publication Critical patent/IT1015391B/it

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)
IT24411/74A 1973-08-20 1974-06-25 Metodo di preparazione di un filtro supplementare per una camera di esposizioni IT1015391B (it)

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
IT1015391B true IT1015391B (it) 1977-05-10

Family

ID=23539477

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24411/74A IT1015391B (it) 1973-08-20 1974-06-25 Metodo di preparazione di un filtro supplementare per una camera di esposizioni

Country Status (8)

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

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL204098A (enExample) * 1955-02-01
BE634597A (enExample) * 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
JPS5040938B1 (enExample) * 1971-03-05 1975-12-27
JPS4721552U (enExample) * 1971-03-05 1972-11-10

Also Published As

Publication number Publication date
FR2325083A1 (fr) 1977-04-15
BR7406731D0 (pt) 1975-06-03
JPS5643588B2 (enExample) 1981-10-13
DE2439861B2 (de) 1977-02-10
GB1476515A (en) 1977-06-16
US3953209A (en) 1976-04-27
BE818992A (fr) 1974-12-16
CA1039998A (en) 1978-10-10
AU7228874A (en) 1976-02-19
JPS5051253A (enExample) 1975-05-08
DE2439861A1 (de) 1975-03-06

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