CA1017181A - Correcting lens having two effective surfaces - Google Patents

Correcting lens having two effective surfaces

Info

Publication number
CA1017181A
CA1017181A CA183,383A CA183383A CA1017181A CA 1017181 A CA1017181 A CA 1017181A CA 183383 A CA183383 A CA 183383A CA 1017181 A CA1017181 A CA 1017181A
Authority
CA
Canada
Prior art keywords
correcting lens
effective surfaces
effective
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
CA183,383A
Other versions
CA183383S (en
Inventor
Albert M. Morrell
Dennis H. Irlbeck
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 CA1017181A publication Critical patent/CA1017181A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00Simple or compound lenses
    • G02B3/02Simple or compound lenses with non-spherical faces
    • G02B3/08Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus 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
    • H01J9/20Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
    • H01J9/22Applying luminescent coatings
    • H01J9/227Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines
    • H01J9/2271Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines by photographic processes
    • H01J9/2272Devices for carrying out the processes, e.g. light houses
    • H01J9/2273Auxiliary lenses and filters

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)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
CA183,383A 1972-10-18 1973-10-15 Correcting lens having two effective surfaces Expired CA1017181A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29863772A 1972-10-18 1972-10-18

Publications (1)

Publication Number Publication Date
CA1017181A true CA1017181A (en) 1977-09-13

Family

ID=23151370

Family Applications (1)

Application Number Title Priority Date Filing Date
CA183,383A Expired CA1017181A (en) 1972-10-18 1973-10-15 Correcting lens having two effective surfaces

Country Status (8)

Country Link
JP (1) JPS4975157A (en)
AU (1) AU472435B2 (en)
BE (1) BE806153A (en)
CA (1) CA1017181A (en)
FR (1) FR2203981B1 (en)
GB (1) GB1451211A (en)
IT (1) IT995545B (en)
NL (1) NL7314289A (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1490345A (en) * 1966-08-26 1967-07-28 Rca Corp Optical lenses
US3628850A (en) * 1970-02-24 1971-12-21 Hitachi Ltd Correcting lens
JPS5149544B2 (en) * 1972-01-19 1976-12-27

Also Published As

Publication number Publication date
BE806153A (en) 1974-02-15
IT995545B (en) 1975-11-20
NL7314289A (en) 1974-04-22
FR2203981B1 (en) 1978-06-30
JPS4975157A (en) 1974-07-19
GB1451211A (en) 1976-09-29
FR2203981A1 (en) 1974-05-17
DE2352364A1 (en) 1974-05-09
AU6080773A (en) 1975-03-27
DE2352364B2 (en) 1977-02-03
AU472435B2 (en) 1976-05-27

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