CA1006217A - Frameless shadow mask for color cathode ray tube - Google Patents

Frameless shadow mask for color cathode ray tube

Info

Publication number
CA1006217A
CA1006217A CA200,799A CA200799A CA1006217A CA 1006217 A CA1006217 A CA 1006217A CA 200799 A CA200799 A CA 200799A CA 1006217 A CA1006217 A CA 1006217A
Authority
CA
Canada
Prior art keywords
ray tube
cathode ray
shadow mask
color cathode
frameless
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
CA200,799A
Other versions
CA200799S (en
Inventor
Stanley J. Sedivy
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.)
Zenith Electronics LLC
Original Assignee
Zenith Radio 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 Zenith Radio Corp filed Critical Zenith Radio Corp
Priority to CA254,730A priority Critical patent/CA1010490A/en
Application granted granted Critical
Publication of CA1006217A publication Critical patent/CA1006217A/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
    • H01J2229/0722—Frame
    • 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
CA200,799A 1973-09-07 1974-05-24 Frameless shadow mask for color cathode ray tube Expired CA1006217A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA254,730A CA1010490A (en) 1973-09-07 1976-06-14 Frameless shadow mask for color cathode ray tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US395334A US3912963A (en) 1973-09-07 1973-09-07 Color crt having shadow mask with forwardly directed, outwardly flared skirt

Publications (1)

Publication Number Publication Date
CA1006217A true CA1006217A (en) 1977-03-01

Family

ID=23562608

Family Applications (1)

Application Number Title Priority Date Filing Date
CA200,799A Expired CA1006217A (en) 1973-09-07 1974-05-24 Frameless shadow mask for color cathode ray tube

Country Status (2)

Country Link
US (1) US3912963A (en)
CA (1) CA1006217A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4020493A (en) * 1974-12-23 1977-04-26 Zenith Radio Corporation Photographic master for use in screening a color cathode ray tube
US3997811A (en) * 1975-07-09 1976-12-14 Owens-Illinois, Inc. Color television tube structure and method of manufacture
US3999098A (en) * 1975-08-12 1976-12-21 Zenith Radio Corporation Color cathode ray tube having an improved shadow mask suspension system
US3986072A (en) * 1975-08-12 1976-10-12 Zenith Radio Corporation Color cathode ray tube having an improved shadow mask suspension system
US4045701A (en) * 1976-02-02 1977-08-30 Zenith Radio Corporation Shadow mask supported by cathode ray tube faceplate
US4191909A (en) * 1978-10-23 1980-03-04 Zenith Radio Corporation Color CRT with shadow mask having peripherally grooved skirt
US4367430A (en) * 1979-01-25 1983-01-04 Mitsubishi Denki Kabushiki Kaisha Shadow mask type color cathode-ray tube
NL8003608A (en) * 1980-06-23 1982-01-18 Philips Nv COLOR IMAGE TUBE.
DE3606469A1 (en) * 1986-02-28 1987-09-03 Standard Elektrik Lorenz Ag COLORED PIPES
US4918032A (en) * 1988-04-13 1990-04-17 General Motors Corporation Method for fabricating three-dimensional microstructures and a high-sensitivity integrated vibration sensor using such microstructures
US5416378A (en) * 1993-11-03 1995-05-16 Rca Thomson Licensing Corporation Color picture tube with iron-nickel alloy shadow mask
JPH10144227A (en) * 1996-11-14 1998-05-29 Hitachi Ltd Color cathode-ray tube having shadow mask
DE19757357C2 (en) * 1996-12-30 2001-12-06 Samsung Display Devices Co Ltd Shadow mask assembly for a color cathode ray tube
JP3536960B2 (en) * 1997-03-11 2004-06-14 株式会社 日立ディスプレイズ Color cathode ray tube with shadow mask
TW512389B (en) 1998-04-24 2002-12-01 Hitachi Ltd Color cathode ray tube having a shadow mask structure with curl reduced in a skirt portion thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2961560A (en) * 1955-05-06 1960-11-22 Columbia Broadcasting Syst Inc Color picture tube
US3404302A (en) * 1967-06-21 1968-10-01 Gen Electric Envelope wall with two continuous ledges for positioning and supporting aperture mask
US3479546A (en) * 1968-06-11 1969-11-18 Buckbee Mears Co Self-supporting shadow mask for colored tv picture tubes
DE1936177B2 (en) * 1968-07-26 1977-07-14 N V Philips" Gloeilampenfabneken Eindhoven (Niederlande) COLOR TELEVISION TUBE WITH A RECTANGULAR COLOR SELECTION ELECTRODE
US3558955A (en) * 1969-05-01 1971-01-26 Northern Metal Products Inc Self supporting shadow mask with reinforcing ribs and gusset plates for colored television picture tubes
JPS5412788B1 (en) * 1970-01-07 1979-05-25
US3700949A (en) * 1971-01-21 1972-10-24 Nippon Electric Co Color television picture tube

Also Published As

Publication number Publication date
US3912963A (en) 1975-10-14

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