GB1353872A - Cathode ray tubes - Google Patents

Cathode ray tubes

Info

Publication number
GB1353872A
GB1353872A GB3151472A GB1353872DA GB1353872A GB 1353872 A GB1353872 A GB 1353872A GB 3151472 A GB3151472 A GB 3151472A GB 1353872D A GB1353872D A GB 1353872DA GB 1353872 A GB1353872 A GB 1353872A
Authority
GB
United Kingdom
Prior art keywords
coating
anode
resistor
funnel portion
over
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
GB3151472A
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.)
EMI Group Ltd
Original Assignee
Thorn Electrical Industries 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 Thorn Electrical Industries Ltd filed Critical Thorn Electrical Industries Ltd
Publication of GB1353872A publication Critical patent/GB1353872A/en
Expired 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
    • H01J29/96—One or more circuit elements structurally associated with the tube
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/4824—Constructional arrangements of electrodes
    • H01J2229/4827—Electrodes formed on surface of common cylindrical support

Landscapes

  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
GB3151472A 1972-07-05 1972-07-05 Cathode ray tubes Expired GB1353872A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3151472 1972-07-05

Publications (1)

Publication Number Publication Date
GB1353872A true GB1353872A (en) 1974-05-22

Family

ID=10324221

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3151472A Expired GB1353872A (en) 1972-07-05 1972-07-05 Cathode ray tubes

Country Status (3)

Country Link
US (1) US3909655A (enExample)
FR (1) FR2191813A7 (enExample)
GB (1) GB1353872A (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4070597A (en) * 1976-04-22 1978-01-24 General Electric Company Multi-apertured single plate matrix lens
US4220893A (en) * 1976-07-26 1980-09-02 Zenith Radio Corporation Electrically resistive arc suppressor shadowing getter flash
US4101803A (en) * 1977-06-01 1978-07-18 Zenith Radio Corporation Arc suppression and static elimination system for a television crt
US4161673A (en) * 1977-06-30 1979-07-17 Zenith Radio Corporation Arc suppression and static elimination system for a television CRT
US4207493A (en) * 1978-09-26 1980-06-10 Rca Corporation Cathode ray tube arc-over protection
US4234816A (en) * 1979-04-16 1980-11-18 Gte Products Corporation Cathode ray tube with internal arc suppressor and protective spark gap
US4323813A (en) * 1980-01-23 1982-04-06 Rca Corporation Spring-loaded resistive lens structure for electron gun
US4350925A (en) * 1980-07-09 1982-09-21 Rca Corporation Main lens assembly for an electron gun
US4491764A (en) * 1982-09-27 1985-01-01 Rca Corporation Arc suppression structure for an electron gun
US4531075A (en) * 1982-09-27 1985-07-23 Rca Corporation Electron gun having arc suppression means
US4514661A (en) * 1982-09-27 1985-04-30 Rca Corporation Arc-suppression means for an electron gun having a split electrode
US4554481A (en) * 1983-10-28 1985-11-19 Rca Corporation Electron discharge device having a ceramic member with means for reducing luminescence therein
NL8400779A (nl) * 1984-03-12 1985-10-01 Philips Nv Kathodestraalbuis.
NL8500905A (nl) * 1985-03-28 1986-10-16 Philips Nv Werkwijze voor het vervaardigen van een inrichting met een elektrische weerstandslaag en toepassing van de werkwijze.
NL8802333A (nl) * 1988-09-21 1990-04-17 Philips Nv Kathodestraalbuis met spiraalfocusseerlens.
US5430350A (en) * 1994-03-09 1995-07-04 Chunghwa Picture Tubes, Ltd. Electron gun support and positioning arrangement in a CRT
GB2346007B (en) 1999-01-21 2004-03-03 Imaging & Sensing Tech Corp Getter flash shield

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3295008A (en) * 1963-06-27 1966-12-27 Sylvania Electric Prod Electron discharge device with current surge attenuating resistance
US3355617A (en) * 1964-07-30 1967-11-28 Motorola Inc Reduction of arcing between electrodes in a cathode ray tube by conducting coating of resistance material on inner wall of tube neck
US3375390A (en) * 1966-01-03 1968-03-26 Gen Electric Electron optical system having spiral collimating electrode adjacent the target

Also Published As

Publication number Publication date
US3909655A (en) 1975-09-30
FR2191813A7 (enExample) 1974-02-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees