IT1131155B - TUBE FOR THE REPRODUCTION OF COLOR TELEVISION IMAGES PRESENTING A O'OMBRA SLIT MASK AND MANUFACTURING METHOD OF THE SAME - Google Patents

TUBE FOR THE REPRODUCTION OF COLOR TELEVISION IMAGES PRESENTING A O'OMBRA SLIT MASK AND MANUFACTURING METHOD OF THE SAME

Info

Publication number
IT1131155B
IT1131155B IT21829/80A IT2182980A IT1131155B IT 1131155 B IT1131155 B IT 1131155B IT 21829/80 A IT21829/80 A IT 21829/80A IT 2182980 A IT2182980 A IT 2182980A IT 1131155 B IT1131155 B IT 1131155B
Authority
IT
Italy
Prior art keywords
ombra
reproduction
tube
manufacturing
same
Prior art date
Application number
IT21829/80A
Other languages
Italian (it)
Other versions
IT8021829A0 (en
Inventor
Henry William Kuzminaski
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 IT8021829A0 publication Critical patent/IT8021829A0/en
Application granted granted Critical
Publication of IT1131155B publication Critical patent/IT1131155B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes
    • H01J9/142—Manufacture of electrodes or electrode systems of non-emitting electrodes of shadow-masks for colour television tubes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
IT21829/80A 1979-05-24 1980-05-06 TUBE FOR THE REPRODUCTION OF COLOR TELEVISION IMAGES PRESENTING A O'OMBRA SLIT MASK AND MANUFACTURING METHOD OF THE SAME IT1131155B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4199879A 1979-05-24 1979-05-24

Publications (2)

Publication Number Publication Date
IT8021829A0 IT8021829A0 (en) 1980-05-06
IT1131155B true IT1131155B (en) 1986-06-18

Family

ID=21919501

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21829/80A IT1131155B (en) 1979-05-24 1980-05-06 TUBE FOR THE REPRODUCTION OF COLOR TELEVISION IMAGES PRESENTING A O'OMBRA SLIT MASK AND MANUFACTURING METHOD OF THE SAME

Country Status (6)

Country Link
JP (1) JPS55159545A (en)
CA (1) CA1142570A (en)
DD (1) DD153023A5 (en)
DE (1) DE3019816A1 (en)
FR (1) FR2457561A1 (en)
IT (1) IT1131155B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2741036B2 (en) * 1988-07-30 1998-04-15 大日本スクリーン製造株式会社 Shadow mask for color picture tube
EP0715331B1 (en) 1990-11-22 2001-01-31 Kabushiki Kaisha Toshiba Negative plate used for manufacture of a shadow mask, and method for manufacturing the negative plate
KR20060109100A (en) 2005-04-15 2006-10-19 삼성에스디아이 주식회사 Shadow mask for cathode ray tube

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL203836A (en) * 1956-01-21
DE1951304A1 (en) * 1968-10-30 1970-05-21 Sanyo Electric Co Color cathode ray tubes
GB1430864A (en) * 1973-04-06 1976-04-07 Woollenweber W E Rotatable assembly including two vaned wheels mounted on a common shaft
US3834905A (en) * 1973-05-23 1974-09-10 Rca Corp Method of making elliptically or rectangularly graded photoprinting masters
US3955980A (en) * 1974-11-04 1976-05-11 Zenith Radio Corporation Method for making a color selection mask for a color cathode ray tube
JPS5158065A (en) * 1974-11-18 1976-05-21 Hitachi Ltd KARAAJUZOKAN
JPS5320853A (en) * 1976-08-11 1978-02-25 Hitachi Ltd Rear-stage convergence type color picture tube
JPS5376741A (en) * 1976-12-20 1978-07-07 Toshiba Corp Shadow mask its fabrication

Also Published As

Publication number Publication date
JPS55159545A (en) 1980-12-11
DD153023A5 (en) 1981-12-16
IT8021829A0 (en) 1980-05-06
FR2457561A1 (en) 1980-12-19
DE3019816A1 (en) 1980-11-27
CA1142570A (en) 1983-03-08

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