FR2203983A1 - - Google Patents

Info

Publication number
FR2203983A1
FR2203983A1 FR7337057A FR7337057A FR2203983A1 FR 2203983 A1 FR2203983 A1 FR 2203983A1 FR 7337057 A FR7337057 A FR 7337057A FR 7337057 A FR7337057 A FR 7337057A FR 2203983 A1 FR2203983 A1 FR 2203983A1
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.)
Granted
Application number
FR7337057A
Other languages
French (fr)
Other versions
FR2203983B1 (it
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 FR2203983A1 publication Critical patent/FR2203983A1/fr
Application granted granted Critical
Publication of FR2203983B1 publication Critical patent/FR2203983B1/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)
  • 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)
FR7337057A 1972-10-18 1973-10-17 Expired FR2203983B1 (it)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2203983A1 true FR2203983A1 (it) 1974-05-17
FR2203983B1 FR2203983B1 (it) 1976-05-07

Family

ID=23151408

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7337057A Expired FR2203983B1 (it) 1972-10-18 1973-10-17

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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
BE806156A (fr) 1974-02-15
AU6073373A (en) 1975-03-27
JPS4975156A (it) 1974-07-19
AU474326B2 (en) 1976-07-22
CA1009484A (en) 1977-05-03
DE2352362A1 (de) 1974-05-09
NL7314291A (it) 1974-04-22
GB1450590A (en) 1976-09-22
DE2352362B2 (de) 1976-11-18
IT995544B (it) 1975-11-20
FR2203983B1 (it) 1976-05-07

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Legal Events

Date Code Title Description
ST Notification of lapse