ZA765220B - Improvements in pincushion distortion correction circuits - Google Patents

Improvements in pincushion distortion correction circuits

Info

Publication number
ZA765220B
ZA765220B ZA765220A ZA765220A ZA765220B ZA 765220 B ZA765220 B ZA 765220B ZA 765220 A ZA765220 A ZA 765220A ZA 765220 A ZA765220 A ZA 765220A ZA 765220 B ZA765220 B ZA 765220B
Authority
ZA
South Africa
Prior art keywords
distortion correction
correction circuits
pincushion distortion
pincushion
circuits
Prior art date
Application number
ZA765220A
Other languages
English (en)
Inventor
M Reeds
Original Assignee
Thorn Electrical Ind 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 Thorn Electrical Ind Ltd filed Critical Thorn Electrical Ind Ltd
Publication of ZA765220B publication Critical patent/ZA765220B/xx

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
    • H04N3/237—Distortion correction, e.g. for pincushion distortion correction, S-correction using passive elements, e.g. diodes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
ZA765220A 1975-09-01 1976-08-31 Improvements in pincushion distortion correction circuits ZA765220B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB35971/75A GB1554404A (en) 1975-09-01 1975-09-01 Pincushion distortion correction circuits

Publications (1)

Publication Number Publication Date
ZA765220B true ZA765220B (en) 1977-08-31

Family

ID=10383526

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA765220A ZA765220B (en) 1975-09-01 1976-08-31 Improvements in pincushion distortion correction circuits

Country Status (11)

Country Link
AU (1) AU500701B2 (da)
BE (1) BE845667A (da)
DE (1) DE2639224A1 (da)
DK (1) DK145840C (da)
FR (1) FR2322495A1 (da)
GB (1) GB1554404A (da)
IE (1) IE43170B1 (da)
IT (1) IT1063514B (da)
LU (1) LU75695A1 (da)
NL (1) NL7609742A (da)
ZA (1) ZA765220B (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4682085A (en) * 1984-06-12 1987-07-21 Rca Corporation Gullwing distortion corrected deflection circuitry for a square-planar picture tube
GB8706822D0 (en) * 1987-03-23 1987-04-29 Rca Corp Active modulator circuit

Also Published As

Publication number Publication date
NL7609742A (nl) 1977-03-03
FR2322495B1 (da) 1982-04-23
FR2322495A1 (fr) 1977-03-25
GB1554404A (en) 1979-10-17
IT1063514B (it) 1985-02-11
IE43170B1 (en) 1980-12-31
BE845667A (fr) 1976-12-16
LU75695A1 (da) 1977-04-01
DK145840B (da) 1983-03-14
IE43170L (en) 1977-03-01
AU500701B2 (en) 1979-05-31
DE2639224A1 (de) 1977-03-10
DK145840C (da) 1983-09-05
AU1733276A (en) 1978-03-09
DK395576A (da) 1977-03-02

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