GB673368A - Improvements in scanning devices for television transmitters - Google Patents

Improvements in scanning devices for television transmitters

Info

Publication number
GB673368A
GB673368A GB11810/49A GB1181049A GB673368A GB 673368 A GB673368 A GB 673368A GB 11810/49 A GB11810/49 A GB 11810/49A GB 1181049 A GB1181049 A GB 1181049A GB 673368 A GB673368 A GB 673368A
Authority
GB
United Kingdom
Prior art keywords
signals
target
scanning
photo
cathode
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
GB11810/49A
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.)
Radio Industrie SA
Original Assignee
Radio Industrie SA
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 Radio Industrie SA filed Critical Radio Industrie SA
Publication of GB673368A publication Critical patent/GB673368A/en
Expired legal-status Critical Current

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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
    • 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
    • H01J29/021—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof arrangements for eliminating interferences in the tube
    • 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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/80—Arrangements for controlling the ray or beam after passing the main deflection system, e.g. for post-acceleration or post-concentration, for colour switching
    • 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
    • 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
    • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
    • H04N3/23—Distortion correction, e.g. for pincushion distortion correction, S-correction
    • H04N3/233—Distortion correction, e.g. for pincushion distortion correction, S-correction using active elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
GB11810/49A 1948-05-08 1949-05-03 Improvements in scanning devices for television transmitters Expired GB673368A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR673368X 1948-05-08

Publications (1)

Publication Number Publication Date
GB673368A true GB673368A (en) 1952-06-04

Family

ID=9018076

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11810/49A Expired GB673368A (en) 1948-05-08 1949-05-03 Improvements in scanning devices for television transmitters

Country Status (3)

Country Link
US (1) US2582014A (en:Method)
GB (1) GB673368A (en:Method)
NL (2) NL142081B (en:Method)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2700742A (en) * 1951-08-07 1955-01-25 Rca Corp Deflection system for cathode-ray tubes
BE521392A (en:Method) * 1952-07-16
US2682012A (en) * 1952-09-08 1954-06-22 Rca Corp Television raster distortion correction
US2906919A (en) * 1955-12-27 1959-09-29 Gen Electric Deflection circuit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1773980A (en) * 1927-01-07 1930-08-26 Television Lab Inc Television system
FR743576A (en:Method) * 1931-10-06 1933-04-01
GB429427A (en) * 1932-11-04 1935-05-30 Loewe Opta Gmbh Arrangement for producing relaxation oscillations, more particularly for television purposes
US2248556A (en) * 1937-06-21 1941-07-08 Loewe Radio Inc Interlaced line method
US2310197A (en) * 1940-12-21 1943-02-02 Rca Corp Television system
US2425491A (en) * 1943-06-22 1947-08-12 Rca Corp Deflection circuit
US2477557A (en) * 1945-08-11 1949-07-26 Rca Corp Power conservation system

Also Published As

Publication number Publication date
NL142081B (nl)
NL78390C (en:Method)
US2582014A (en) 1952-01-08

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