FI911919A0 - Parabolgeneratorer med hjaelpnollstaellningsfunktion. - Google Patents

Parabolgeneratorer med hjaelpnollstaellningsfunktion.

Info

Publication number
FI911919A0
FI911919A0 FI911919A FI911919A FI911919A0 FI 911919 A0 FI911919 A0 FI 911919A0 FI 911919 A FI911919 A FI 911919A FI 911919 A FI911919 A FI 911919A FI 911919 A0 FI911919 A0 FI 911919A0
Authority
FI
Finland
Prior art keywords
parabolgeneratorer
hjaelpnollstaellningsfunktion
med
parabolgeneratorer med
med hjaelpnollstaellningsfunktion
Prior art date
Application number
FI911919A
Other languages
English (en)
Other versions
FI107104B (fi
FI911919A (fi
Inventor
Ronald Eugene Fernsler
Enrique Rodriguez-Cavazos
Nancy Dawn Graves
Original Assignee
Thomson Consumer Electronics
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 Thomson Consumer Electronics filed Critical Thomson Consumer Electronics
Publication of FI911919A0 publication Critical patent/FI911919A0/fi
Publication of FI911919A publication Critical patent/FI911919A/fi
Application granted granted Critical
Publication of FI107104B publication Critical patent/FI107104B/fi

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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06G7/20—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating powers, roots, polynomes, mean square values, standard deviation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/04—Generating pulses having essentially a finite slope or stepped portions having parabolic shape
    • 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
FI911919A 1990-04-27 1991-04-19 Lisänollaustoiminnolla varustettuja paraabeligeneraattoreita FI107104B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US51597290 1990-04-27
US07/515,972 US5034664A (en) 1990-04-27 1990-04-27 Parabola generators with auxiliary reset function

Publications (3)

Publication Number Publication Date
FI911919A0 true FI911919A0 (fi) 1991-04-19
FI911919A FI911919A (fi) 1991-10-28
FI107104B FI107104B (fi) 2001-05-31

Family

ID=24053572

Family Applications (1)

Application Number Title Priority Date Filing Date
FI911919A FI107104B (fi) 1990-04-27 1991-04-19 Lisänollaustoiminnolla varustettuja paraabeligeneraattoreita

Country Status (6)

Country Link
US (1) US5034664A (fi)
EP (1) EP0454008A3 (fi)
JP (1) JPH04229774A (fi)
KR (1) KR100210186B1 (fi)
CA (1) CA2039775C (fi)
FI (1) FI107104B (fi)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5138238A (en) * 1991-05-17 1992-08-11 Thomson Consumer Electronics, Inc. Arrangement for correcting beam landing location error in a video display
US5168199A (en) * 1991-08-14 1992-12-01 Loral Corporation Horizontal linearity correction circuitry for cathode ray tube display
US5218275A (en) * 1992-04-02 1993-06-08 Thomson Consumer Electronics, Inc. Beam landing location error correction arrangement
JPH07131672A (ja) * 1993-10-28 1995-05-19 Mitsubishi Electric Corp ワイドアスペクトテレビジョン受像機
US5644196A (en) * 1993-12-08 1997-07-01 Thomson Consumer Electronics, Inc. Beam landing location error correction arrangement
EP0737359B1 (en) * 1993-12-08 2000-10-11 Thomson Consumer Electronics, Inc. Raster distortion correction arrangement
JP3520551B2 (ja) * 1994-03-22 2004-04-19 ソニー株式会社 電子機器及び映像表示装置
GB9405799D0 (en) * 1994-03-24 1994-05-11 Thomson Consumer Electronics Shaped parabolic correction waveform for curved face plate display tube
US5444338A (en) * 1994-05-11 1995-08-22 Thomson Consumer Electronics, Inc. Left and right raster correction
US5491389A (en) * 1994-05-11 1996-02-13 Thomson Consumer Electronics, Inc. Raster edge correction waveform
US5508593A (en) * 1994-05-11 1996-04-16 Thomson Consumer Electronics, Inc. Differential error convergence correction
US5847777A (en) * 1994-05-11 1998-12-08 George; John Barrett Right-edge differential error convergence correction
EP0737401B1 (en) * 1994-10-25 2000-02-09 Koninklijke Philips Electronics N.V. Deflection correction
US5528112A (en) * 1994-12-08 1996-06-18 Thomson Consumer Electronics, Inc. Deflection correction signal generator
EP0743797A3 (en) * 1995-05-19 1997-05-02 Thomson Consumer Electronics Correction of differential convergence of the right edge
US5777685A (en) * 1996-07-03 1998-07-07 Thomson Consumer Electronics, Inc. Deflection signal pulse shaper circuit
US6614193B2 (en) * 2001-08-31 2003-09-02 Thomson Licensing S.A. Deflection current modulation circuit
US6717377B1 (en) * 2001-10-31 2004-04-06 Zilog, Inc. Circuit and method for reducing east-west geometry mismatch between the top and bottom of a raster display
US7102302B2 (en) * 2002-04-19 2006-09-05 Thomson Licensing Waveform generator for controlling an electron beam in a cathode ray tube

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3725726A (en) * 1970-12-21 1973-04-03 United Aircraft Corp Crt geometry correction with zero offset
US3697778A (en) * 1971-03-17 1972-10-10 Tektronix Inc Integrating circuit
US3842310A (en) * 1971-04-01 1974-10-15 Singer Co Multiplying integrator circuit
NL7704062A (nl) * 1977-04-14 1978-10-17 Philips Nv Schakeling voor het opwekken van een periodiek paraboolvormig signaal.
JPS6194836A (ja) * 1984-10-16 1986-05-13 Nhk Spring Co Ltd テ−ルランプの車体へのシ−ル取付け構造
JPH0681266B2 (ja) * 1985-02-07 1994-10-12 ソニー株式会社 垂直偏向装置
JPS621374A (ja) * 1985-06-27 1987-01-07 Fujitsu General Ltd 垂直偏向回路
US4777411A (en) * 1987-01-22 1988-10-11 Zenith Electronics Corporation Top/bottom active pincushion circuit with ringing inhibit

Also Published As

Publication number Publication date
EP0454008A3 (en) 1992-04-29
FI107104B (fi) 2001-05-31
US5034664A (en) 1991-07-23
KR910019397A (ko) 1991-11-30
FI911919A (fi) 1991-10-28
JPH04229774A (ja) 1992-08-19
EP0454008A2 (en) 1991-10-30
KR100210186B1 (ko) 1999-07-15
CA2039775C (en) 1995-02-07

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