GB1554404A - Pincushion distortion correction circuits - Google Patents

Pincushion distortion correction circuits

Info

Publication number
GB1554404A
GB1554404A GB35971/75A GB3597175A GB1554404A GB 1554404 A GB1554404 A GB 1554404A GB 35971/75 A GB35971/75 A GB 35971/75A GB 3597175 A GB3597175 A GB 3597175A GB 1554404 A GB1554404 A GB 1554404A
Authority
GB
United Kingdom
Prior art keywords
distortion correction
correction circuits
pincushion distortion
pincushion
circuits
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
GB35971/75A
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.)
Thorn Electrical Industries Ltd
Original Assignee
Thorn Electrical Industries 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 Industries Ltd filed Critical Thorn Electrical Industries Ltd
Priority to GB35971/75A priority Critical patent/GB1554404A/en
Priority to IE1916/76A priority patent/IE43170B1/en
Priority to BE170202A priority patent/BE845667A/en
Priority to AU17332/76A priority patent/AU500701B2/en
Priority to FR7626251A priority patent/FR2322495A1/en
Priority to DE19762639224 priority patent/DE2639224A1/en
Priority to ZA765220A priority patent/ZA765220B/en
Priority to LU75695A priority patent/LU75695A1/xx
Priority to DK395576A priority patent/DK145840C/en
Priority to IT26747/76A priority patent/IT1063514B/en
Priority to NL7609742A priority patent/NL7609742A/en
Publication of GB1554404A publication Critical patent/GB1554404A/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
    • H04N3/237—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)
GB35971/75A 1975-09-01 1975-09-01 Pincushion distortion correction circuits Expired GB1554404A (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
GB35971/75A GB1554404A (en) 1975-09-01 1975-09-01 Pincushion distortion correction circuits
IE1916/76A IE43170B1 (en) 1975-09-01 1976-08-27 Improvements in pincushion distortion correction circuits
BE170202A BE845667A (en) 1975-09-01 1976-08-30 BEARING DISTORTION CORRECTION CIRCUIT
AU17332/76A AU500701B2 (en) 1975-09-01 1976-08-31 Pincushion distortion correction circuits
FR7626251A FR2322495A1 (en) 1975-09-01 1976-08-31 IMPROVEMENTS TO CUSHION DISTORTION CORRECTION CIRCUITS
DE19762639224 DE2639224A1 (en) 1975-09-01 1976-08-31 DEFLECTION CIRCUIT FOR PARTIAL IMAGE SCANNING
ZA765220A ZA765220B (en) 1975-09-01 1976-08-31 Improvements in pincushion distortion correction circuits
LU75695A LU75695A1 (en) 1975-09-01 1976-08-31
DK395576A DK145840C (en) 1975-09-01 1976-09-01 CONCAVE PREVENTION CORRECTION CIRCUIT
IT26747/76A IT1063514B (en) 1975-09-01 1976-09-01 BEARING DISTORTION CORRECTION CIRCUIT
NL7609742A NL7609742A (en) 1975-09-01 1976-09-01 CUSHION DISTORTION CORRECTION CIRCUIT.

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
GB1554404A true GB1554404A (en) 1979-10-17

Family

ID=10383526

Family Applications (1)

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

Country Status (11)

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

Cited By (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
US4777412A (en) * 1987-03-23 1988-10-11 Rca Licensing Corporation Gullwing distortion correction circuit

Cited By (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
US4777412A (en) * 1987-03-23 1988-10-11 Rca Licensing Corporation Gullwing distortion correction circuit

Also Published As

Publication number Publication date
IE43170B1 (en) 1980-12-31
IT1063514B (en) 1985-02-11
DK145840C (en) 1983-09-05
ZA765220B (en) 1977-08-31
LU75695A1 (en) 1977-04-01
NL7609742A (en) 1977-03-03
AU1733276A (en) 1978-03-09
DK395576A (en) 1977-03-02
DK145840B (en) 1983-03-14
FR2322495B1 (en) 1982-04-23
BE845667A (en) 1976-12-16
FR2322495A1 (en) 1977-03-25
DE2639224A1 (en) 1977-03-10
IE43170L (en) 1977-03-01
AU500701B2 (en) 1979-05-31

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19960831