CA1009484A - Correcting lens for cathode ray tube manufacture - Google Patents

Correcting lens for cathode ray tube manufacture

Info

Publication number
CA1009484A
CA1009484A CA183,367A CA183367A CA1009484A CA 1009484 A CA1009484 A CA 1009484A CA 183367 A CA183367 A CA 183367A CA 1009484 A CA1009484 A CA 1009484A
Authority
CA
Canada
Prior art keywords
ray tube
cathode ray
correcting lens
tube manufacture
manufacture
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
CA183,367A
Other languages
English (en)
Other versions
CA183367S (en
Inventor
Albert M. Morrell
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 CA1009484A publication Critical patent/CA1009484A/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)
  • 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)
CA183,367A 1972-10-18 1973-10-15 Correcting lens for cathode ray tube manufacture Expired CA1009484A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA1009484A true CA1009484A (en) 1977-05-03

Family

ID=23151408

Family Applications (1)

Application Number Title Priority Date Filing Date
CA183,367A Expired CA1009484A (en) 1972-10-18 1973-10-15 Correcting lens for cathode ray tube manufacture

Country Status (8)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5341821Y2 (it) * 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 (it) * 1972-06-22 1974-02-28

Also Published As

Publication number Publication date
DE2352362B2 (de) 1976-11-18
FR2203983B1 (it) 1976-05-07
JPS4975156A (it) 1974-07-19
FR2203983A1 (it) 1974-05-17
GB1450590A (en) 1976-09-22
IT995544B (it) 1975-11-20
BE806156A (fr) 1974-02-15
DE2352362A1 (de) 1974-05-09
AU474326B2 (en) 1976-07-22
NL7314291A (it) 1974-04-22
AU6073373A (en) 1975-03-27

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