GB1189403A - Colour television picture tube - Google Patents

Colour television picture tube

Info

Publication number
GB1189403A
GB1189403A GB473668A GB473668A GB1189403A GB 1189403 A GB1189403 A GB 1189403A GB 473668 A GB473668 A GB 473668A GB 473668 A GB473668 A GB 473668A GB 1189403 A GB1189403 A GB 1189403A
Authority
GB
United Kingdom
Prior art keywords
mask
colour television
edge
tube
corners
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
GB473668A
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.)
PHILLIPS ELECTRONIC AND ASSOCI
Original Assignee
PHILLIPS ELECTRONIC AND ASSOCI
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 PHILLIPS ELECTRONIC AND ASSOCI filed Critical PHILLIPS ELECTRONIC AND ASSOCI
Publication of GB1189403A publication Critical patent/GB1189403A/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
    • H01J29/07—Shadow masks for colour television tubes
    • H01J29/073—Mounting arrangements associated with shadow masks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/07—Shadow masks
    • H01J2229/0727—Aperture plate
    • H01J2229/0766—Details of skirt or border
    • H01J2229/0772—Apertures, cut-outs, depressions, or the like

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)

Abstract

1,189,403. Colour television tubes. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 30 Jan., 1968 [2 Feb., 1967], No. 4736/68. Heading H1D. A colour television tube with a rectangular screen is provided with a shadow mask secured in the tube without the use of a supporting frame by resilient members at the four corners. In the arrangement shown the resilient members 6 lie in diagonal planes and are welded to the upright edge 4 of the mask 3 and extend at an angle equal to half the maximum deflection angle, e.g. 45 degrees for a 90 degree deflection angle. The ends of the members 6 carry cylindrical cams 7 adapted to extend into conical holes 8 drilled in the edge of the face plate; alternatively the cams 7 may be pressed from the material of the springs 6 as the weight to be supported is less than when a frame is provided. The edge 4 should have a minimum height of 4% of the diagonal of the mask and the height may be constant, or it may be smaller at the corners. The flange 5 substantially closes the gap between the mask and the tube wall to prevent electrons from penetrating into this space.
GB473668A 1967-02-02 1968-01-30 Colour television picture tube Expired GB1189403A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6701585A NL151552B (en) 1967-02-02 1967-02-02 COLOR TV DISPLAY TUBE.

Publications (1)

Publication Number Publication Date
GB1189403A true GB1189403A (en) 1970-04-29

Family

ID=19799198

Family Applications (1)

Application Number Title Priority Date Filing Date
GB473668A Expired GB1189403A (en) 1967-02-02 1968-01-30 Colour television picture tube

Country Status (8)

Country Link
AT (1) AT277332B (en)
BE (1) BE710167A (en)
CH (1) CH470078A (en)
DE (1) DE1537973C3 (en)
ES (1) ES349988A1 (en)
FR (1) FR1554161A (en)
GB (1) GB1189403A (en)
NL (1) NL151552B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4045701A (en) * 1976-02-02 1977-08-30 Zenith Radio Corporation Shadow mask supported by cathode ray tube faceplate
EP0268485A2 (en) * 1986-11-20 1988-05-25 Kabushiki Kaisha Toshiba Colour picture tube
US4886997A (en) * 1987-03-06 1989-12-12 Kabushiki Kaisha Toshiba Color picture tube with shadow mask support assembly

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3700949A (en) * 1971-01-21 1972-10-24 Nippon Electric Co Color television picture tube
US4367430A (en) * 1979-01-25 1983-01-04 Mitsubishi Denki Kabushiki Kaisha Shadow mask type color cathode-ray tube
NL8004174A (en) * 1980-07-21 1982-02-16 Philips Nv COLOR IMAGE TUBE.
NL8102182A (en) * 1981-05-04 1982-12-01 Philips Nv COLOR IMAGE TUBE.
CH672397A5 (en) * 1986-05-16 1989-11-30 Max Zellweger

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE540599A (en) * 1954-08-18
US2961560A (en) * 1955-05-06 1960-11-22 Columbia Broadcasting Syst Inc Color picture tube
US3005921A (en) * 1958-01-27 1961-10-24 Rca Corp Cathode-ray tubes of the focus-mask variety
US3187404A (en) * 1962-01-11 1965-06-08 Rauland Corp Method of manufacture of color television picture tube
US3330980A (en) * 1965-07-16 1967-07-11 Rca Corp Shadow mask mounted with bi-metallic sections connected by expansible loop

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4045701A (en) * 1976-02-02 1977-08-30 Zenith Radio Corporation Shadow mask supported by cathode ray tube faceplate
EP0268485A2 (en) * 1986-11-20 1988-05-25 Kabushiki Kaisha Toshiba Colour picture tube
US4827180A (en) * 1986-11-20 1989-05-02 Kabushiki Kaisha Toshiba Color picture tube with support members for the mask frame
EP0268485B1 (en) * 1986-11-20 1993-10-06 Kabushiki Kaisha Toshiba Colour picture tube
US4886997A (en) * 1987-03-06 1989-12-12 Kabushiki Kaisha Toshiba Color picture tube with shadow mask support assembly

Also Published As

Publication number Publication date
NL6701585A (en) 1968-08-05
AT277332B (en) 1969-12-29
BE710167A (en) 1968-07-31
DE1537973A1 (en) 1971-01-28
CH470078A (en) 1969-03-15
FR1554161A (en) 1969-01-17
ES349988A1 (en) 1969-04-16
DE1537973C3 (en) 1981-07-09
DE1537973B2 (en) 1980-08-28
NL151552B (en) 1976-11-15

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee