IT7921930A0 - TUBE FOR COLOR TELEVISIONS PRESENTING A SHADOW MASK OF THE SLIT TYPE. - Google Patents

TUBE FOR COLOR TELEVISIONS PRESENTING A SHADOW MASK OF THE SLIT TYPE.

Info

Publication number
IT7921930A0
IT7921930A0 IT7921930A IT2193079A IT7921930A0 IT 7921930 A0 IT7921930 A0 IT 7921930A0 IT 7921930 A IT7921930 A IT 7921930A IT 2193079 A IT2193079 A IT 2193079A IT 7921930 A0 IT7921930 A0 IT 7921930A0
Authority
IT
Italy
Prior art keywords
presenting
tube
shadow mask
slit type
color televisions
Prior art date
Application number
IT7921930A
Other languages
Italian (it)
Other versions
IT1112302B (en
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 IT7921930A0 publication Critical patent/IT7921930A0/en
Application granted granted Critical
Publication of IT1112302B publication Critical patent/IT1112302B/en

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
IT21930/79A 1978-05-10 1979-04-17 TUBE FOR COLOR TELEVISION PRESENTING A SHADOW MASK, OF THE SLIT TYPE IT1112302B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IT7921930A0 true IT7921930A0 (en) 1979-04-17
IT1112302B IT1112302B (en) 1986-01-13

Family

ID=25419335

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21930/79A IT1112302B (en) 1978-05-10 1979-04-17 TUBE FOR COLOR TELEVISION PRESENTING A SHADOW MASK, OF THE SLIT TYPE

Country Status (9)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2906611C2 (en) * 1979-02-21 1985-05-15 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Method of manufacturing a color selection mask for a color cathode ray tube
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 (en) * 1994-05-27 1995-12-08 Toshiba Corp Manufacture of color picture tube and shadow mask
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
PL215496A1 (en) 1980-03-24
IT1112302B (en) 1986-01-13
GB2020892A (en) 1979-11-21
FR2425717A1 (en) 1979-12-07
FI791257A (en) 1979-11-11
DE2914839A1 (en) 1979-11-15
JPS54147775A (en) 1979-11-19
DD144621A5 (en) 1980-10-22
BR7902434A (en) 1979-12-11

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