GB808138A - Improved cathode ray tube for colour television - Google Patents

Improved cathode ray tube for colour television

Info

Publication number
GB808138A
GB808138A GB10786/56A GB1078656A GB808138A GB 808138 A GB808138 A GB 808138A GB 10786/56 A GB10786/56 A GB 10786/56A GB 1078656 A GB1078656 A GB 1078656A GB 808138 A GB808138 A GB 808138A
Authority
GB
United Kingdom
Prior art keywords
colour television
ray tube
cathode ray
improved cathode
april
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
GB10786/56A
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.)
GTE Sylvania Inc
Original Assignee
Sylvania Electric Products Inc
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 Sylvania Electric Products Inc filed Critical Sylvania Electric Products Inc
Publication of GB808138A publication Critical patent/GB808138A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes

Abstract

808,138. Colour television tubes. SYLVANIA ELECTRIC PRODUCTS Inc. April 9, 1956 [April 8, 1955], No. 10786/56. Class 39(1). Multi-colour phosphor strips 4 are formed on the curved face 3 of the CRT and the beam or beams is or are controlled or fucussed by a grid 7 of parallel, preferably coplanar wires, in which the strip-wire separation is smaller at the ends than at the centre of the strips by an amount designed to eliminate pincushion distortion.
GB10786/56A 1955-04-08 1956-04-09 Improved cathode ray tube for colour television Expired GB808138A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US808138XA 1955-04-08 1955-04-08

Publications (1)

Publication Number Publication Date
GB808138A true GB808138A (en) 1959-01-28

Family

ID=22159781

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10786/56A Expired GB808138A (en) 1955-04-08 1956-04-09 Improved cathode ray tube for colour television

Country Status (1)

Country Link
GB (1) GB808138A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6829019B2 (en) 2001-03-09 2004-12-07 Koninklijke Philips Electronics N.V. Picture display device of the index type

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6829019B2 (en) 2001-03-09 2004-12-07 Koninklijke Philips Electronics N.V. Picture display device of the index type

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