GB537695A - Improvements in or relating to cathode ray tubes - Google Patents

Improvements in or relating to cathode ray tubes

Info

Publication number
GB537695A
GB537695A GB62/40A GB6240A GB537695A GB 537695 A GB537695 A GB 537695A GB 62/40 A GB62/40 A GB 62/40A GB 6240 A GB6240 A GB 6240A GB 537695 A GB537695 A GB 537695A
Authority
GB
United Kingdom
Prior art keywords
deflecting
valves
cut
control grid
during
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
GB62/40A
Other languages
English (en)
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Publication of GB537695A publication Critical patent/GB537695A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/20—Prevention of damage to cathode-ray tubes in the event of failure of scanning

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
GB62/40A 1938-12-30 1940-01-01 Improvements in or relating to cathode ray tubes Expired GB537695A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US248570A US2261776A (en) 1938-12-30 1938-12-30 Cathode ray tube apparatus

Publications (1)

Publication Number Publication Date
GB537695A true GB537695A (en) 1941-07-02

Family

ID=22939683

Family Applications (1)

Application Number Title Priority Date Filing Date
GB62/40A Expired GB537695A (en) 1938-12-30 1940-01-01 Improvements in or relating to cathode ray tubes

Country Status (3)

Country Link
US (1) US2261776A (en:Method)
GB (1) GB537695A (en:Method)
NL (1) NL59024C (en:Method)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425491A (en) * 1943-06-22 1947-08-12 Rca Corp Deflection circuit
US2520155A (en) * 1945-06-08 1950-08-29 Int Standard Electric Corp Sweep circuit for cathode-ray tubes
US2536712A (en) * 1947-05-27 1951-01-02 Rca Corp Protective system
US2543831A (en) * 1948-02-10 1951-03-06 Belmont Radio Corp Protection of cathode-ray tube screens
US2635208A (en) * 1948-04-21 1953-04-14 John M Cage Television circuit
US2607847A (en) * 1949-11-08 1952-08-19 Motorola Inc Vertical retrace blanking
US2577848A (en) * 1950-02-16 1951-12-11 Rca Corp Protective circuit
NL167105B (nl) * 1951-02-09 Metal Deploye Le Inrichting voor het aanbrengen van series spleten in een plaat.
US2646526A (en) * 1952-03-08 1953-07-21 Hazeltine Research Inc System for generating scanning currents
US2743380A (en) * 1952-05-08 1956-04-24 Emi Ltd Protection circuits for cathode ray tubes
US2709768A (en) * 1952-06-05 1955-05-31 Gen Precision Lab Inc Cathode ray tube protection circuits
US2863053A (en) * 1954-10-26 1958-12-02 Hoffman Electronics Corp Height gate generators or the like
US2808536A (en) * 1954-11-18 1957-10-01 Rca Corp Cathode ray tube protecting and energizing circuits
US2846616A (en) * 1954-12-08 1958-08-05 Philips Corp Circuit-arrangement protecting the cathode-ray tube of television receivers
US2860283A (en) * 1956-03-07 1958-11-11 Isaac S Blonder Electronic protective system
US2864969A (en) * 1957-02-26 1958-12-16 Shulman Abraham Off-screen blanking circuit

Also Published As

Publication number Publication date
NL59024C (en:Method)
US2261776A (en) 1941-11-04

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