IT1100369B - Circuito per la correzione della distorsione della trama in un sistema di riproduzione di immagini - Google Patents

Circuito per la correzione della distorsione della trama in un sistema di riproduzione di immagini

Info

Publication number
IT1100369B
IT1100369B IT30119/78A IT3011978A IT1100369B IT 1100369 B IT1100369 B IT 1100369B IT 30119/78 A IT30119/78 A IT 30119/78A IT 3011978 A IT3011978 A IT 3011978A IT 1100369 B IT1100369 B IT 1100369B
Authority
IT
Italy
Prior art keywords
plot
distortion
correction
circuit
image reproduction
Prior art date
Application number
IT30119/78A
Other languages
English (en)
Other versions
IT7830119A0 (it
Original Assignee
Rca Corp
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 Rca Corp filed Critical Rca Corp
Publication of IT7830119A0 publication Critical patent/IT7830119A0/it
Application granted granted Critical
Publication of IT1100369B publication Critical patent/IT1100369B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/90—Linearisation of ramp; Synchronisation of pulses
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/83—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices with more than two PN junctions or with more than three electrodes or more than one electrode connected to the same conductivity region
    • H03K4/835—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices with more than two PN junctions or with more than three electrodes or more than one electrode connected to the same conductivity region using pulse-modulation techniques for the generation of the sawtooth wave, e.g. class D, switched mode
    • 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)
  • Details Of Television Scanning (AREA)
IT30119/78A 1977-11-25 1978-11-23 Circuito per la correzione della distorsione della trama in un sistema di riproduzione di immagini IT1100369B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4912777 1977-11-25

Publications (2)

Publication Number Publication Date
IT7830119A0 IT7830119A0 (it) 1978-11-23
IT1100369B true IT1100369B (it) 1985-09-28

Family

ID=10451246

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30119/78A IT1100369B (it) 1977-11-25 1978-11-23 Circuito per la correzione della distorsione della trama in un sistema di riproduzione di immagini

Country Status (5)

Country Link
US (1) US4220898A (it)
DE (1) DE2850934A1 (it)
FR (1) FR2410402A1 (it)
GB (1) GB2008907B (it)
IT (1) IT1100369B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305023A (en) * 1980-07-07 1981-12-08 Rca Corporation Raster distortion corrected deflection circuit
DE3322602C2 (de) * 1983-06-23 1985-05-09 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Schaltungsanordnung für die Vertikalablenkung von Elektronenstrahlen in einer Fernsehbildröhre
GB2160080B (en) * 1984-06-05 1988-01-20 Motorola Inc Timebase circuit
DE3622644A1 (de) * 1986-07-05 1988-01-14 Thomson Brandt Gmbh Schaltungsanordnung zur erzeugung eines vertikal-ablenkstromes
GB9218735D0 (en) * 1992-09-04 1992-10-21 Thomson Consumer Electronics Horizontal deflection waveform correction circuit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2304057A (en) * 1939-12-15 1942-12-01 Rca Corp Keystone correction circuit
US2951180A (en) * 1958-01-10 1960-08-30 Internat Telephone & Telegraph Cathode-ray tube system
US3946274A (en) * 1974-04-18 1976-03-23 Rca Corporation Side pincushion correction circuit
US3962602A (en) * 1974-09-27 1976-06-08 Rca Corporation Side pincushion correction system
GB1528981A (en) * 1975-02-20 1978-10-18 Rca Corp Deflection system such as for television receivers including a switched mode vertical(field)reflection circuit
GB1547170A (en) * 1975-11-25 1979-06-06 Rca Corp Pincushion correction circuit
GB1574726A (en) * 1976-03-19 1980-09-10 Rca Corp Side pincushion distortion correction circuit

Also Published As

Publication number Publication date
US4220898A (en) 1980-09-02
GB2008907B (en) 1982-02-24
GB2008907A (en) 1979-06-06
DE2850934A1 (de) 1979-05-31
FR2410402A1 (fr) 1979-06-22
IT7830119A0 (it) 1978-11-23

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