GB1139706A - Shield for cathode ray tube - Google Patents

Shield for cathode ray tube

Info

Publication number
GB1139706A
GB1139706A GB58074/66A GB5807466A GB1139706A GB 1139706 A GB1139706 A GB 1139706A GB 58074/66 A GB58074/66 A GB 58074/66A GB 5807466 A GB5807466 A GB 5807466A GB 1139706 A GB1139706 A GB 1139706A
Authority
GB
United Kingdom
Prior art keywords
assembly
shield
funnel
cathode ray
mask
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
GB58074/66A
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.)
National Video Corp
Original Assignee
National Video 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 National Video Corp filed Critical National Video Corp
Publication of GB1139706A publication Critical patent/GB1139706A/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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream

Landscapes

  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)

Abstract

1,139,706. Cathode ray tubes. NATIONAL VIDEO CORP. 29 Dec., 1966 [18 Jan., 1966], No. 58074/66. Heading H1D. A colour TV tube comprises a glass funnel 10 and a glass dish-shaped face plate 14 within which is mounted a mask assembly 11 and a thin conductive foil scanning shield 13 e.g. of Al the periphery 40 of which is clamped between the assembly and funnel. The mask assembly comprises a mask 12 supported by an annular frame 30 of L-shaped cross-section. The assembly is supported by spring members 36, 37 (35), Fig. 3 (not shown), which snap on to projections in the face plate. The funnel walls are coated with a carbon containing conductive coating (10a), Fig. 9 (not shown), which is connected to the assembly by a spring (36) passing through the shield.
GB58074/66A 1966-01-18 1966-12-29 Shield for cathode ray tube Expired GB1139706A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52137066A 1966-01-18 1966-01-18

Publications (1)

Publication Number Publication Date
GB1139706A true GB1139706A (en) 1969-01-15

Family

ID=24076483

Family Applications (1)

Application Number Title Priority Date Filing Date
GB58074/66A Expired GB1139706A (en) 1966-01-18 1966-12-29 Shield for cathode ray tube

Country Status (5)

Country Link
US (1) US3473065A (en)
DE (1) DE1512336A1 (en)
FR (1) FR1507771A (en)
GB (1) GB1139706A (en)
NL (1) NL6700676A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1762029B1 (en) * 1968-03-23 1970-11-19 Philips Patentverwaltung Color picture tubes for displaying color television pictures with an arrangement for preventing false light
JPS5023949B1 (en) * 1970-09-08 1975-08-12
US3868532A (en) * 1971-12-02 1975-02-25 Zenith Radio Corp Shadow mask and overscan shield assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2806162A (en) * 1954-08-18 1957-09-10 Rca Corp Cathode-ray tube
US2806165A (en) * 1954-08-18 1957-09-10 Rca Corp Cathode ray tube
US2890377A (en) * 1955-01-25 1959-06-09 Columbia Broadcasting Syst Inc Color tube shield
US2897392A (en) * 1956-02-09 1959-07-28 Zenith Radio Corp Color television tube mask and frame assembly
NL216226A (en) * 1956-04-17
US3313975A (en) * 1964-07-06 1967-04-11 Hughes Aircraft Co Electron impervious flexible shield member for electron discharge tubes
US3346753A (en) * 1966-05-02 1967-10-10 Sylvania Electric Prod Peripheral shield for color television tube shadow masks

Also Published As

Publication number Publication date
US3473065A (en) 1969-10-14
NL6700676A (en) 1967-07-19
DE1512336A1 (en) 1969-04-03
FR1507771A (en) 1967-12-29

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