FR2203981B1 - - Google Patents

Info

Publication number
FR2203981B1
FR2203981B1 FR7336734A FR7336734A FR2203981B1 FR 2203981 B1 FR2203981 B1 FR 2203981B1 FR 7336734 A FR7336734 A FR 7336734A FR 7336734 A FR7336734 A FR 7336734A FR 2203981 B1 FR2203981 B1 FR 2203981B1
Authority
FR
France
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
FR7336734A
Other languages
French (fr)
Other versions
FR2203981A1 (en
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 FR2203981A1 publication Critical patent/FR2203981A1/fr
Application granted granted Critical
Publication of FR2203981B1 publication Critical patent/FR2203981B1/fr
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)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
FR7336734A 1972-10-18 1973-10-15 Expired FR2203981B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2203981A1 FR2203981A1 (en) 1974-05-17
FR2203981B1 true FR2203981B1 (en) 1978-06-30

Family

ID=23151370

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7336734A Expired FR2203981B1 (en) 1972-10-18 1973-10-15

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
IT995545B (en) 1975-11-20
JPS4975157A (en) 1974-07-19
NL7314289A (en) 1974-04-22
AU472435B2 (en) 1976-05-27
CA1017181A (en) 1977-09-13
DE2352364A1 (en) 1974-05-09
AU6080773A (en) 1975-03-27
FR2203981A1 (en) 1974-05-17
DE2352364B2 (en) 1977-02-03
BE806153A (en) 1974-02-15
GB1451211A (en) 1976-09-29

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Legal Events

Date Code Title Description
ST Notification of lapse