FR2738089B1 - Dispositif de correction de linearite de rampes d'un signal en dents de scie et generateur d'un tel signal - Google Patents

Dispositif de correction de linearite de rampes d'un signal en dents de scie et generateur d'un tel signal

Info

Publication number
FR2738089B1
FR2738089B1 FR9510186A FR9510186A FR2738089B1 FR 2738089 B1 FR2738089 B1 FR 2738089B1 FR 9510186 A FR9510186 A FR 9510186A FR 9510186 A FR9510186 A FR 9510186A FR 2738089 B1 FR2738089 B1 FR 2738089B1
Authority
FR
France
Prior art keywords
signal
ramps
generator
saw tooth
correcting linearity
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 - Fee Related
Application number
FR9510186A
Other languages
English (en)
Other versions
FR2738089A1 (fr
Inventor
Philippe Maige
Nicolas Lebouleux
Gilles Troussel
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.)
STMicroelectronics SA
Original Assignee
SGS Thomson Microelectronics SA
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 SGS Thomson Microelectronics SA filed Critical SGS Thomson Microelectronics SA
Priority to FR9510186A priority Critical patent/FR2738089B1/fr
Priority to US08/688,298 priority patent/US6144078A/en
Priority to US08/697,405 priority patent/US5814952A/en
Publication of FR2738089A1 publication Critical patent/FR2738089A1/fr
Application granted granted Critical
Publication of FR2738089B1 publication Critical patent/FR2738089B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
    • H03K4/50—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Semiconductor Memories (AREA)
FR9510186A 1995-07-31 1995-08-24 Dispositif de correction de linearite de rampes d'un signal en dents de scie et generateur d'un tel signal Expired - Fee Related FR2738089B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9510186A FR2738089B1 (fr) 1995-08-24 1995-08-24 Dispositif de correction de linearite de rampes d'un signal en dents de scie et generateur d'un tel signal
US08/688,298 US6144078A (en) 1995-07-31 1996-07-30 Methods for programming read-only memory cells and associated memories
US08/697,405 US5814952A (en) 1995-08-24 1996-08-23 Device for correcting the ramp linearity of saw-tooth signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9510186A FR2738089B1 (fr) 1995-08-24 1995-08-24 Dispositif de correction de linearite de rampes d'un signal en dents de scie et generateur d'un tel signal

Publications (2)

Publication Number Publication Date
FR2738089A1 FR2738089A1 (fr) 1997-02-28
FR2738089B1 true FR2738089B1 (fr) 1997-10-31

Family

ID=9482146

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9510186A Expired - Fee Related FR2738089B1 (fr) 1995-07-31 1995-08-24 Dispositif de correction de linearite de rampes d'un signal en dents de scie et generateur d'un tel signal

Country Status (2)

Country Link
US (2) US6144078A (fr)
FR (1) FR2738089B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2737597B1 (fr) * 1995-07-31 1997-08-29 Sgs Thomson Microelectronics Procede de programmation d'une cellule de memoire morte et memoire associee
FR2760305B1 (fr) * 1997-02-28 1999-05-14 Sgs Thomson Microelectronics Circuit de correction de deviation horizontale pour televiseur
EP0890985B1 (fr) * 1997-07-08 2005-11-02 STMicroelectronics S.r.l. Matrice de cellules de mémoire non volatile, programmable électriquement à semi-conducteur comprenant des cellules de mémoire ROM
US6522091B1 (en) 2001-10-17 2003-02-18 Zilog, Inc. Circuit and method that allows the amplitudes of vertical correction signal components to be adjusted independently
JP5167736B2 (ja) * 2007-09-12 2013-03-21 株式会社リコー スイッチングレギュレータ
JP5773524B2 (ja) * 2011-11-18 2015-09-02 株式会社コルグ 発振器
RU2565472C1 (ru) * 2014-11-25 2015-10-20 Частное образовательное учреждение дополнительного профессионального образования "Саранский Дом науки и техники Российского Союза научных и инженерных общественных объединений" Преобразователь частота - напряжение

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2439343C3 (de) * 1974-08-16 1979-12-20 Deutsche Itt Industries Gmbh, 7800 Freiburg Monolithisch integrierte Schaltung zur Verzerrung eines linearen Sägezahn-
US4282646A (en) * 1979-08-20 1981-08-11 International Business Machines Corporation Method of making a transistor array
JPS59103368A (ja) * 1982-12-03 1984-06-14 Fujitsu Ltd 半導体装置
GB8414313D0 (en) * 1984-06-05 1984-07-11 Motorola Inc Timebase circuit
IT1217297B (it) * 1985-05-29 1990-03-22 Sgs Thomson Microelectronics Circuito elettronico per la correzione a s della rampa di scansione verticale in un apparecchio televisivo
US4649629A (en) * 1985-07-29 1987-03-17 Thomson Components - Mostek Corp. Method of late programming a read only memory
US4887011A (en) * 1989-02-23 1989-12-12 Haynie Carl R Computer monitor vertical sweep generator having frequency independent height control and "S" waveform correction
US4972127A (en) * 1990-04-27 1990-11-20 Rca Licensing Corporation Pincushion correction circuit with gullwing compensation
US5200802A (en) * 1991-05-24 1993-04-06 National Semiconductor Corporation Semiconductor ROM cell programmed using source mask
DE4239666C2 (de) * 1992-10-15 1994-11-03 Telefunken Microelectron Verfahren und Schaltungsanordnung zur Tangensentzerrung von Vertikalablenkschaltungen für Bildwiedergabegeräte
US5502410A (en) * 1994-03-14 1996-03-26 Motorola, Inc. Circuit for providing a voltage ramp signal

Also Published As

Publication number Publication date
FR2738089A1 (fr) 1997-02-28
US5814952A (en) 1998-09-29
US6144078A (en) 2000-11-07

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Effective date: 20070430