EP0061103A3 - Picture tube with protection arrangement - Google Patents

Picture tube with protection arrangement

Info

Publication number
EP0061103A3
EP0061103A3 EP82102035A EP82102035A EP0061103A3 EP 0061103 A3 EP0061103 A3 EP 0061103A3 EP 82102035 A EP82102035 A EP 82102035A EP 82102035 A EP82102035 A EP 82102035A EP 0061103 A3 EP0061103 A3 EP 0061103A3
Authority
EP
European Patent Office
Prior art keywords
tube
picture tube
protection arrangement
inhomogeni
implosion
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.)
Withdrawn
Application number
EP82102035A
Other languages
German (de)
French (fr)
Other versions
EP0061103A2 (en
Inventor
Lothar Schmeller
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.)
Alcatel Lucent Deutschland AG
International Standard Electric Corp
Original Assignee
Alcatel SEL AG
Standard Elektrik Lorenz AG
International Standard Electric 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 Alcatel SEL AG, Standard Elektrik Lorenz AG, International Standard Electric Corp filed Critical Alcatel SEL AG
Publication of EP0061103A2 publication Critical patent/EP0061103A2/en
Publication of EP0061103A3 publication Critical patent/EP0061103A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H01J29/87—Arrangements for preventing or limiting effects of implosion of vessels or containers

Landscapes

  • 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)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

Bei Bildröhren werden wenige scharf begrenzte und unregelmäßig verteilte Hindernisse als Inhomogenitäten im oder am konischen Teil der Kolbenwandung angebracht. Damit wird der Ablauf einer unvermeidbaren Implosion schon von Beginn an beeinflußt, indem an den Inhomogeni­ täten infolge der Energieanreicherung beim Auftreffen von die Röhre gefährdenden Stößen Rißbildung ausgelöst wird. Diese Risse pflanzen sich sofort bis zum Röhrenhals fort und führen dort zu einer gefahrlosen Belüftung der Röhre. With picture tubes, few are sharply delimited and irregularly distributed obstacles as inhomogeneities in the or attached to the conical part of the piston wall. It becomes the process of an inevitable implosion influenced right from the start by the inhomogeni would result from the energy enrichment when striking the tube endangering impacts cracking is triggered. These cracks propagate right up to the tube neck and lead to a safe ventilation of the tube there.

EP82102035A 1981-03-20 1982-03-13 Picture tube with protection arrangement Withdrawn EP0061103A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813110930 DE3110930A1 (en) 1981-03-20 1981-03-20 IMAGE TUBES WITH PROTECTIVE DEVICE
DE3110930 1981-03-20

Publications (2)

Publication Number Publication Date
EP0061103A2 EP0061103A2 (en) 1982-09-29
EP0061103A3 true EP0061103A3 (en) 1982-12-08

Family

ID=6127821

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82102035A Withdrawn EP0061103A3 (en) 1981-03-20 1982-03-13 Picture tube with protection arrangement

Country Status (5)

Country Link
EP (1) EP0061103A3 (en)
JP (1) JPS57197735A (en)
CA (1) CA1186364A (en)
DE (1) DE3110930A1 (en)
FI (1) FI820937L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1244131A1 (en) * 2001-03-22 2002-09-25 Schott Glas Cathode ray tube

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2407527B2 (en) * 1974-02-16 1976-01-08 Jenaer Glaswerk Schott & Gen., 6500 Mainz Cathode ray tube flasks with a rectangular screen
DE2039504B2 (en) * 1970-06-08 1979-06-13 Owens-Illinois, Inc., Toledo, Ohio (V.St.A.) Glass bulb for a world-angle television picture tube
DE2855732A1 (en) * 1977-12-27 1979-06-28 Rca Corp CATHODE RAY TUBE
US4245255A (en) * 1979-04-13 1981-01-13 Corning Glass Works Implosion protection for TV tubes

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50123267A (en) * 1974-03-15 1975-09-27

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2039504B2 (en) * 1970-06-08 1979-06-13 Owens-Illinois, Inc., Toledo, Ohio (V.St.A.) Glass bulb for a world-angle television picture tube
DE2407527B2 (en) * 1974-02-16 1976-01-08 Jenaer Glaswerk Schott & Gen., 6500 Mainz Cathode ray tube flasks with a rectangular screen
DE2855732A1 (en) * 1977-12-27 1979-06-28 Rca Corp CATHODE RAY TUBE
US4245255A (en) * 1979-04-13 1981-01-13 Corning Glass Works Implosion protection for TV tubes

Also Published As

Publication number Publication date
DE3110930A1 (en) 1982-09-30
JPS57197735A (en) 1982-12-04
CA1186364A (en) 1985-04-30
EP0061103A2 (en) 1982-09-29
FI820937L (en) 1982-09-21

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): BE DE FR GB IT NL

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): BE DE FR GB IT NL

RHK1 Main classification (correction)

Ipc: H01J 29/87

17P Request for examination filed

Effective date: 19830513

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 19850207

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SCHMELLER, LOTHAR