GB1362304A - Exposure devices utilized to manufacture colour picture tubes - Google Patents

Exposure devices utilized to manufacture colour picture tubes

Info

Publication number
GB1362304A
GB1362304A GB1011672A GB1011672A GB1362304A GB 1362304 A GB1362304 A GB 1362304A GB 1011672 A GB1011672 A GB 1011672A GB 1011672 A GB1011672 A GB 1011672A GB 1362304 A GB1362304 A GB 1362304A
Authority
GB
United Kingdom
Prior art keywords
lens
filter
exposure devices
devices utilized
picture tubes
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
GB1011672A
Other languages
English (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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB1362304A publication Critical patent/GB1362304A/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

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)
  • Optical Filters (AREA)
GB1011672A 1971-03-05 1972-03-03 Exposure devices utilized to manufacture colour picture tubes Expired GB1362304A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46011276A JPS5040939B1 (cg-RX-API-DMAC7.html) 1971-03-05 1971-03-05

Publications (1)

Publication Number Publication Date
GB1362304A true GB1362304A (en) 1974-08-07

Family

ID=11773447

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1011672A Expired GB1362304A (en) 1971-03-05 1972-03-03 Exposure devices utilized to manufacture colour picture tubes

Country Status (5)

Country Link
US (1) US3809558A (cg-RX-API-DMAC7.html)
JP (1) JPS5040939B1 (cg-RX-API-DMAC7.html)
DE (1) DE2210724A1 (cg-RX-API-DMAC7.html)
FR (1) FR2128607B1 (cg-RX-API-DMAC7.html)
GB (1) GB1362304A (cg-RX-API-DMAC7.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3027704C2 (de) * 1980-07-22 1984-03-22 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren zur Herstellung eines Korrekturfilters für die Belichtung der Leuchtschirme von Farbbildröhren
US4488793A (en) * 1982-12-23 1984-12-18 Rca Corporation Photodepositing a CRT screen structure using discrete-element optical filter
GB8712458D0 (en) * 1987-05-27 1987-07-01 Philips Nv Producing colour picture tube screen
FR2856964B1 (fr) * 2003-07-04 2006-12-29 Ampafrance Siege auto pour enfant comprenant des moyens pour tendre une sangle de ceinture de securite

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448667A (en) * 1963-10-18 1969-06-10 Sylvania Electric Prod Light attenuation means
US3676129A (en) * 1969-12-01 1972-07-11 Rca Corp Method for making a light intensity correction filter

Also Published As

Publication number Publication date
DE2210724A1 (de) 1972-09-14
FR2128607A1 (cg-RX-API-DMAC7.html) 1972-10-20
FR2128607B1 (cg-RX-API-DMAC7.html) 1975-08-29
US3809558A (en) 1974-05-07
JPS5040939B1 (cg-RX-API-DMAC7.html) 1975-12-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee