FR2416548A1 - Enveloppe de tube de television projetee et son procede de fabrication - Google Patents

Enveloppe de tube de television projetee et son procede de fabrication

Info

Publication number
FR2416548A1
FR2416548A1 FR7832631A FR7832631A FR2416548A1 FR 2416548 A1 FR2416548 A1 FR 2416548A1 FR 7832631 A FR7832631 A FR 7832631A FR 7832631 A FR7832631 A FR 7832631A FR 2416548 A1 FR2416548 A1 FR 2416548A1
Authority
FR
France
Prior art keywords
manufacturing process
television tube
projected television
tube envelope
projected
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.)
Granted
Application number
FR7832631A
Other languages
English (en)
Other versions
FR2416548B1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2416548A1 publication Critical patent/FR2416548A1/fr
Application granted granted Critical
Publication of FR2416548B1 publication Critical patent/FR2416548B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7408—Direct viewing projectors, e.g. an image displayed on a video CRT or LCD display being projected on a screen
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/89—Optical or photographic arrangements structurally combined or co-operating with the vessel
    • H01J29/894—Arrangements combined with the vessel for the purpose of image projection on a screen
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

Abstract

Enveloppe pour tube de télévision projetée. Elle comprend un élément cylindrique 12 présentant une surface annulaire de scellement de forme sphérique prédéterminée, destinée à être fixée à une plaque avant 11 portant une cible 20. L'élément cylindrique constitue la seule pièce du tube devant avoir une dimension très précise pour assurer l'alignement entre les différentes pièces. Domaine d'application : télévision projetée.
FR7832631A 1978-02-06 1978-11-20 Enveloppe de tube de television projetee et son procede de fabrication Granted FR2416548A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87522278A 1978-02-06 1978-02-06

Publications (2)

Publication Number Publication Date
FR2416548A1 true FR2416548A1 (fr) 1979-08-31
FR2416548B1 FR2416548B1 (fr) 1980-10-24

Family

ID=25365400

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7832631A Granted FR2416548A1 (fr) 1978-02-06 1978-11-20 Enveloppe de tube de television projetee et son procede de fabrication

Country Status (11)

Country Link
JP (2) JPS5910528B2 (fr)
AU (1) AU522177B2 (fr)
BR (1) BR7900494A (fr)
CA (1) CA1117175A (fr)
DE (1) DE2855390C2 (fr)
DK (1) DK152466C (fr)
FR (1) FR2416548A1 (fr)
GB (1) GB2013974B (fr)
IT (1) IT1118307B (fr)
NL (1) NL175118C (fr)
SE (1) SE438574B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5851660B2 (ja) * 1979-08-31 1983-11-17 日本電気ホームエレクトロニクス株式会社 投写型陰極線管
JPS584247A (ja) * 1981-06-08 1983-01-11 Mitsubishi Electric Corp 投写形陰極線管
JPS6172581U (fr) * 1984-10-16 1986-05-17
EP0400565A3 (fr) * 1989-05-30 1991-09-11 Hitachi, Ltd. Tube cathodique de projection
DE102011005608A1 (de) 2011-03-16 2012-09-20 Evonik Oxeno Gmbh Mischoxidzusammensetzungen und Verfahren zur Herstellung von Isoolefinen

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2132783A (en) * 1936-04-24 1938-10-11 Markia Corp Electron discharge device
US2305855A (en) * 1941-07-31 1942-12-22 Rca Corp Television apparatus
FR937462A (fr) * 1945-11-21 1948-08-18 Philips Nv Récepteur de télévision à écran de projection
US2549978A (en) * 1945-11-21 1951-04-24 Hartford Nat Bank & Trust Co Schmidt television projector housing having object surface adjustability in three mutually perpendicular directions
US4024579A (en) * 1974-09-03 1977-05-17 Advent Corporation Projection television tube system and method of producing same
FR2338571A1 (fr) * 1976-01-16 1977-08-12 Philips Nv Dispositif a decharge electrique

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034398A (en) * 1975-08-27 1977-07-05 Electro-Optiek, N.V. Optical and mechanical improvements for television projection system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2132783A (en) * 1936-04-24 1938-10-11 Markia Corp Electron discharge device
US2305855A (en) * 1941-07-31 1942-12-22 Rca Corp Television apparatus
FR937462A (fr) * 1945-11-21 1948-08-18 Philips Nv Récepteur de télévision à écran de projection
US2549978A (en) * 1945-11-21 1951-04-24 Hartford Nat Bank & Trust Co Schmidt television projector housing having object surface adjustability in three mutually perpendicular directions
US4024579A (en) * 1974-09-03 1977-05-17 Advent Corporation Projection television tube system and method of producing same
FR2338571A1 (fr) * 1976-01-16 1977-08-12 Philips Nv Dispositif a decharge electrique

Also Published As

Publication number Publication date
DE2855390A1 (de) 1979-08-09
SE7811268L (sv) 1979-08-07
GB2013974B (en) 1982-10-20
NL175118C (nl) 1984-09-17
DK152466C (da) 1988-07-25
AU522177B2 (en) 1982-05-20
CA1117175A (fr) 1982-01-26
JPS5910528B2 (ja) 1984-03-09
DE2855390C2 (de) 1984-09-27
JPS6233243Y2 (fr) 1987-08-25
JPS61146860U (fr) 1986-09-10
NL175118B (nl) 1984-04-16
JPS54107621A (en) 1979-08-23
AU4110478A (en) 1980-05-01
SE438574B (sv) 1985-04-22
FR2416548B1 (fr) 1980-10-24
IT7967111A0 (it) 1979-01-18
BR7900494A (pt) 1979-09-11
GB2013974A (en) 1979-08-15
IT1118307B (it) 1986-02-24
DK152466B (da) 1988-02-29
DK485078A (da) 1979-08-07
NL7811618A (nl) 1979-08-08

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Legal Events

Date Code Title Description
ST Notification of lapse