AU472436B2 - Correcting lens - Google Patents

Correcting lens

Info

Publication number
AU472436B2
AU472436B2 AU60810/73A AU6081073A AU472436B2 AU 472436 B2 AU472436 B2 AU 472436B2 AU 60810/73 A AU60810/73 A AU 60810/73A AU 6081073 A AU6081073 A AU 6081073A AU 472436 B2 AU472436 B2 AU 472436B2
Authority
AU
Australia
Prior art keywords
correcting lens
correcting
lens
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
AU60810/73A
Other versions
AU6081073A (en
Inventor
Maxwell Morrell Frans Vanhekken Albert
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 AU6081073A publication Critical patent/AU6081073A/en
Application granted granted Critical
Publication of AU472436B2 publication Critical patent/AU472436B2/en
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
AU60810/73A 1972-10-18 1973-09-27 Correcting lens Expired AU472436B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00298642A US3811754A (en) 1972-10-18 1972-10-18 Correcting lens
USUS298,642 1972-10-18

Publications (2)

Publication Number Publication Date
AU6081073A AU6081073A (en) 1975-03-27
AU472436B2 true AU472436B2 (en) 1976-05-27

Family

ID=23151399

Family Applications (1)

Application Number Title Priority Date Filing Date
AU60810/73A Expired AU472436B2 (en) 1972-10-18 1973-09-27 Correcting lens

Country Status (9)

Country Link
US (1) US3811754A (en)
JP (1) JPS4975155A (en)
AU (1) AU472436B2 (en)
BE (1) BE806154A (en)
CA (1) CA998270A (en)
FR (1) FR2203984B1 (en)
GB (1) GB1450589A (en)
IT (1) IT995546B (en)
NL (1) NL7314290A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4979255A (en) * 1972-12-04 1974-07-31
DE3305979A1 (en) * 1983-02-21 1984-08-23 Richard 8901 Neusäß Wallner Light compressor
US4830481A (en) * 1988-08-12 1989-05-16 Minnesota Mining And Manufacturing Company Multifocal diffractive lens
WO2011033437A1 (en) * 2009-09-18 2011-03-24 Koninklijke Philips Electronics N.V. Luminaire and optical component

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1952237A (en) * 1930-11-24 1934-03-27 Ylla-Conte Jose Lens for the concentration of solar heat
GB791312A (en) * 1953-03-26 1958-02-26 Theodore Hendrik Nakken Photographic objectives
US2999126A (en) * 1958-05-29 1961-09-05 Harries Television Res Ltd Facetted correction lens for minimizing keystoning of off-axis projectors
US3495511A (en) * 1967-10-05 1970-02-17 Nat Video Corp Heterogeneous lens for forming phosphor patterns on color kinescope
US3628850A (en) * 1970-02-24 1971-12-21 Hitachi Ltd Correcting lens
JPS4918572A (en) * 1972-06-14 1974-02-19

Also Published As

Publication number Publication date
IT995546B (en) 1975-11-20
FR2203984B1 (en) 1976-05-07
CA998270A (en) 1976-10-12
BE806154A (en) 1974-02-15
DE2352363A1 (en) 1974-05-09
DE2352363B2 (en) 1976-04-15
GB1450589A (en) 1976-09-22
FR2203984A1 (en) 1974-05-17
AU6081073A (en) 1975-03-27
JPS4975155A (en) 1974-07-19
US3811754A (en) 1974-05-21
NL7314290A (en) 1974-04-22

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