AU7992275A - Frequency-independent s-correction for a television display system - Google Patents

Frequency-independent s-correction for a television display system

Info

Publication number
AU7992275A
AU7992275A AU79922/75A AU7992275A AU7992275A AU 7992275 A AU7992275 A AU 7992275A AU 79922/75 A AU79922/75 A AU 79922/75A AU 7992275 A AU7992275 A AU 7992275A AU 7992275 A AU7992275 A AU 7992275A
Authority
AU
Australia
Prior art keywords
correction
independent
frequency
display system
television display
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
AU79922/75A
Other languages
English (en)
Inventor
Johan Cornelis Tiemeijer
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of AU7992275A publication Critical patent/AU7992275A/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
    • H04N3/22—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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor
    • G06G7/20—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for evaluating powers, roots, polynomes, mean square values or standard deviation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K6/00—Manipulating pulses having a finite slope and not covered by one of the other main groups of this subclass
    • H03K6/04—Modifying slopes of pulses, e.g. S-correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Details Of Television Scanning (AREA)
AU79922/75A 1974-04-11 1975-04-08 Frequency-independent s-correction for a television display system Expired AU7992275A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7404944A NL7404944A (nl) 1974-04-11 1974-04-11 Frequentie onafhankelijke s-korrektie voor een televisieweergeefsysteem.

Publications (1)

Publication Number Publication Date
AU7992275A true AU7992275A (en) 1976-10-14

Family

ID=19821154

Family Applications (1)

Application Number Title Priority Date Filing Date
AU79922/75A Expired AU7992275A (en) 1974-04-11 1975-04-08 Frequency-independent s-correction for a television display system

Country Status (9)

Country Link
JP (1) JPS50139615A (https=)
AU (1) AU7992275A (https=)
BE (1) BE827745A (https=)
BR (1) BR7502112A (https=)
DE (1) DE2514476A1 (https=)
FR (1) FR2267672A1 (https=)
GB (1) GB1510704A (https=)
NL (1) NL7404944A (https=)
SE (1) SE402512B (https=)

Also Published As

Publication number Publication date
JPS50139615A (https=) 1975-11-08
NL7404944A (nl) 1975-10-14
FR2267672A1 (https=) 1975-11-07
SE402512B (sv) 1978-07-03
SE7503978L (sv) 1975-10-13
BR7502112A (pt) 1976-02-10
DE2514476A1 (de) 1975-10-30
BE827745A (fr) 1975-10-09
GB1510704A (en) 1978-05-17

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