FR2588708B1 - Circuit pour engendrer un signal en dents de scie a l'usage de la deviation de trame dans un dispositif de reproduction d'images - Google Patents

Circuit pour engendrer un signal en dents de scie a l'usage de la deviation de trame dans un dispositif de reproduction d'images

Info

Publication number
FR2588708B1
FR2588708B1 FR868614233A FR8614233A FR2588708B1 FR 2588708 B1 FR2588708 B1 FR 2588708B1 FR 868614233 A FR868614233 A FR 868614233A FR 8614233 A FR8614233 A FR 8614233A FR 2588708 B1 FR2588708 B1 FR 2588708B1
Authority
FR
France
Prior art keywords
generating
circuit
reproducing device
image reproducing
saw tooth
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 - Lifetime
Application number
FR868614233A
Other languages
English (en)
Other versions
FR2588708A1 (fr
Inventor
Edward Martien Ponte
Steven Jan Van Raalte
Dirk Johan Adriaan Teuling
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2588708A1 publication Critical patent/FR2588708A1/fr
Application granted granted Critical
Publication of FR2588708B1 publication Critical patent/FR2588708B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H03K4/501—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 the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator
    • H03K4/502—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 the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator the capacitor being charged from a constant-current source

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Synchronizing For Television (AREA)
  • Television Signal Processing For Recording (AREA)
FR868614233A 1985-10-14 1986-10-14 Circuit pour engendrer un signal en dents de scie a l'usage de la deviation de trame dans un dispositif de reproduction d'images Expired - Lifetime FR2588708B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8502801A NL8502801A (nl) 1985-10-14 1985-10-14 Schakeling voor het opwekken van een zaagtandvormig signaal ten behoeve van de rasterafbuiging in een beeldweergeefinrichting.

Publications (2)

Publication Number Publication Date
FR2588708A1 FR2588708A1 (fr) 1987-04-17
FR2588708B1 true FR2588708B1 (fr) 1992-04-24

Family

ID=19846712

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868614233A Expired - Lifetime FR2588708B1 (fr) 1985-10-14 1986-10-14 Circuit pour engendrer un signal en dents de scie a l'usage de la deviation de trame dans un dispositif de reproduction d'images

Country Status (8)

Country Link
US (1) US4746842A (fr)
JP (1) JP2545071B2 (fr)
KR (1) KR870004574A (fr)
DE (1) DE3632204C2 (fr)
FR (1) FR2588708B1 (fr)
GB (1) GB2181614B (fr)
IT (1) IT1197504B (fr)
NL (1) NL8502801A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2586551B2 (ja) * 1988-02-26 1997-03-05 松下電器産業株式会社 鋸波の振幅制御回路
US4945292A (en) * 1988-08-08 1990-07-31 Unisys Corp. Dynamic vertical height control circuit
DE19841719C2 (de) 1998-09-11 2002-04-25 St Microelectronics Gmbh Schaltungsanordnung zur Flankensteilheitsformung
SE531315C2 (sv) * 2005-04-15 2009-02-17 Jerzy Hawranek Axiell rörvärmeväxlare
CN101741355B (zh) * 2008-11-06 2011-12-21 鸿富锦精密工业（深圳）有限公司 波形转换装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1449375A (en) * 1974-05-13 1976-09-15 Mullard Ltd Television field deflection circuits
JPS5229111A (en) * 1975-08-30 1977-03-04 Matsushita Electric Ind Co Ltd Vertical deflection unit
JPS5499523U (fr) * 1977-12-24 1979-07-13
FR2441964A1 (fr) * 1978-11-14 1980-06-13 Thomson Csf Circuit generateur de dents de scie permettant notamment un balayage cathodique du type ligne par ligne, et dispositif comportant un tel circuit
DE3066982D1 (en) * 1979-08-23 1984-04-19 Rca Corp Dual standard television vertical deflection system
US4490653A (en) * 1982-04-06 1984-12-25 Tektronix, Inc. Deflection systems and ramp generators therefor

Also Published As

Publication number Publication date
NL8502801A (nl) 1987-05-04
GB2181614A (en) 1987-04-23
KR870004574A (ko) 1987-05-11
JP2545071B2 (ja) 1996-10-16
DE3632204C2 (de) 1995-04-13
US4746842A (en) 1988-05-24
IT1197504B (it) 1988-11-30
IT8621977A0 (it) 1986-10-10
DE3632204A1 (de) 1987-04-23
JPS6298976A (ja) 1987-05-08
GB8624324D0 (en) 1986-11-12
FR2588708A1 (fr) 1987-04-17
GB2181614B (en) 1989-09-27

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Legal Events

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CD Change of name or company name
ST Notification of lapse
ST Notification of lapse