FI791257A - Faergbildroer med foerbaettrad skuggmask av slitstyp - Google Patents

Faergbildroer med foerbaettrad skuggmask av slitstyp

Info

Publication number
FI791257A
FI791257A FI791257A FI791257A FI791257A FI 791257 A FI791257 A FI 791257A FI 791257 A FI791257 A FI 791257A FI 791257 A FI791257 A FI 791257A FI 791257 A FI791257 A FI 791257A
Authority
FI
Finland
Prior art keywords
slitstyp
skuggmask
faergbildroer
med foerbaettrad
foerbaettrad
Prior art date
Application number
FI791257A
Other languages
English (en)
Inventor
Tom Wendell Branton
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Publication of FI791257A publication Critical patent/FI791257A/fi

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
    • H01J29/076—Shadow masks for colour television tubes characterised by the shape or distribution of beam-passing apertures
FI791257A 1978-05-10 1979-04-18 Faergbildroer med foerbaettrad skuggmask av slitstyp FI791257A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US90454378A 1978-05-10 1978-05-10

Publications (1)

Publication Number Publication Date
FI791257A true FI791257A (fi) 1979-11-11

Family

ID=25419335

Family Applications (1)

Application Number Title Priority Date Filing Date
FI791257A FI791257A (fi) 1978-05-10 1979-04-18 Faergbildroer med foerbaettrad skuggmask av slitstyp

Country Status (9)

Country Link
JP (1) JPS54147775A (fi)
BR (1) BR7902434A (fi)
DD (1) DD144621A5 (fi)
DE (1) DE2914839A1 (fi)
FI (1) FI791257A (fi)
FR (1) FR2425717A1 (fi)
GB (1) GB2020892A (fi)
IT (1) IT1112302B (fi)
PL (1) PL215496A1 (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2906611C2 (de) * 1979-02-21 1985-05-15 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur Herstellung einer Farbwahlmaske für eine Farbbildkathodenstrahlröhre
US4293792A (en) * 1979-12-18 1981-10-06 Rca Corporation Color picture tube having improved slit type shadow mask
JPS577041A (en) * 1980-05-12 1982-01-14 Buckbee Mears Co Structure with visual sense opening line and method of manufacturing same
CA1175876A (en) * 1980-05-12 1984-10-09 Roland Thoms Television picture tubes and hole technology
US4429028A (en) * 1982-06-22 1984-01-31 Rca Corporation Color picture tube having improved slit type shadow mask and method of making same
US4632726A (en) * 1984-07-13 1986-12-30 Bmc Industries, Inc. Multi-graded aperture mask method
JPH07320652A (ja) * 1994-05-27 1995-12-08 Toshiba Corp カラー受像管及びシャドウマスクの製造方法
TW378334B (en) * 1994-10-14 2000-01-01 Thomson Consumer Electronics Method of forming an enhanced resolution shadow mask

Also Published As

Publication number Publication date
DE2914839A1 (de) 1979-11-15
DD144621A5 (de) 1980-10-22
GB2020892A (en) 1979-11-21
PL215496A1 (fi) 1980-03-24
IT7921930A0 (it) 1979-04-17
FR2425717A1 (fr) 1979-12-07
BR7902434A (pt) 1979-12-11
JPS54147775A (en) 1979-11-19
IT1112302B (it) 1986-01-13

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Legal Events

Date Code Title Description
BB Publication of examined application
TC Name/ company changed in patent

Owner name: NOKIA DISPLAY PRODUCTS OY

MM Patent lapsed
FA Application withdrawn [patent]

Owner name: RCA CORPORATION