IT995544B - Lente di correzione - Google Patents

Lente di correzione

Info

Publication number
IT995544B
IT995544B IT2961373A IT2961373A IT995544B IT 995544 B IT995544 B IT 995544B IT 2961373 A IT2961373 A IT 2961373A IT 2961373 A IT2961373 A IT 2961373A IT 995544 B IT995544 B IT 995544B
Authority
IT
Italy
Prior art keywords
correction lens
correction
lens
Prior art date
Application number
IT2961373A
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 IT995544B publication Critical patent/IT995544B/it

Links

Classifications

    • 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
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
IT2961373A 1972-10-18 1973-10-01 Lente di correzione IT995544B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29864472A 1972-10-18 1972-10-18

Publications (1)

Publication Number Publication Date
IT995544B true IT995544B (it) 1975-11-20

Family

ID=23151408

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2961373A IT995544B (it) 1972-10-18 1973-10-01 Lente di correzione

Country Status (8)

Country Link
JP (1) JPS4975156A (ja)
AU (1) AU474326B2 (ja)
BE (1) BE806156A (ja)
CA (1) CA1009484A (ja)
FR (1) FR2203983B1 (ja)
GB (1) GB1450590A (ja)
IT (1) IT995544B (ja)
NL (1) NL7314291A (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5341821Y2 (ja) * 1975-04-30 1978-10-07

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4922770A (ja) * 1972-06-22 1974-02-28

Also Published As

Publication number Publication date
FR2203983A1 (ja) 1974-05-17
GB1450590A (en) 1976-09-22
NL7314291A (ja) 1974-04-22
DE2352362A1 (de) 1974-05-09
CA1009484A (en) 1977-05-03
DE2352362B2 (de) 1976-11-18
BE806156A (fr) 1974-02-15
AU6073373A (en) 1975-03-27
JPS4975156A (ja) 1974-07-19
FR2203983B1 (ja) 1976-05-07
AU474326B2 (en) 1976-07-22

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