AU6080973A - Discontinuity orientation ina multielement lens - Google Patents

Discontinuity orientation ina multielement lens

Info

Publication number
AU6080973A
AU6080973A AU60809/73A AU6080973A AU6080973A AU 6080973 A AU6080973 A AU 6080973A AU 60809/73 A AU60809/73 A AU 60809/73A AU 6080973 A AU6080973 A AU 6080973A AU 6080973 A AU6080973 A AU 6080973A
Authority
AU
Australia
Prior art keywords
ina
discontinuity
orientation
multielement lens
multielement
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
AU60809/73A
Other versions
AU481776B2 (en
Inventor
Vanhekken Frans
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
Application granted granted Critical
Publication of AU6080973A publication Critical patent/AU6080973A/en
Publication of AU481776B2 publication Critical patent/AU481776B2/en
Expired legal-status Critical Current

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)
  • Overhead Projectors And Projection Screens (AREA)
AU60809/73A 1972-10-18 1971-09-27 Discontinuity orientation ina multielement lens Expired AU481776B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29864372A 1972-10-18 1972-10-18
USUS298,643 1972-10-18

Publications (2)

Publication Number Publication Date
AU6080973A true AU6080973A (en) 1975-03-27
AU481776B2 AU481776B2 (en) 1975-03-27

Family

ID=

Also Published As

Publication number Publication date
JPS4975154A (en) 1974-07-19
CA998269A (en) 1976-10-12
FR2203982A1 (en) 1974-05-17
DE2352365A1 (en) 1974-05-09
BE806155A (en) 1974-02-15
NL7314288A (en) 1974-04-22
DE2352365B2 (en) 1977-02-03
FR2203982B1 (en) 1977-05-27
GB1450722A (en) 1976-09-29
IT993500B (en) 1975-09-30

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