FR2389275A1 - Circuit destine a produire un courant en dents de scie dans une bobine - Google Patents

Circuit destine a produire un courant en dents de scie dans une bobine

Info

Publication number
FR2389275A1
FR2389275A1 FR7812937A FR7812937A FR2389275A1 FR 2389275 A1 FR2389275 A1 FR 2389275A1 FR 7812937 A FR7812937 A FR 7812937A FR 7812937 A FR7812937 A FR 7812937A FR 2389275 A1 FR2389275 A1 FR 2389275A1
Authority
FR
France
Prior art keywords
coil
capacitor
diode
saw
produce
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.)
Granted
Application number
FR7812937A
Other languages
English (en)
Other versions
FR2389275B1 (fr
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.)
Indesit Industria Elettrodomestici Italiana SpA
Original Assignee
Indesit Industria Elettrodomestici Italiana SpA
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 Indesit Industria Elettrodomestici Italiana SpA filed Critical Indesit Industria Elettrodomestici Italiana SpA
Publication of FR2389275A1 publication Critical patent/FR2389275A1/fr
Application granted granted Critical
Publication of FR2389275B1 publication Critical patent/FR2389275B1/fr
Granted legal-status Critical Current

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
    • H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
    • H03K4/60—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 current is produced through an inductor
    • H03K4/62—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 current is produced through an inductor using a semiconductor device operating as a switching device

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Details Of Television Scanning (AREA)

Abstract

Circuit destiné à produire un courant en dents de scie dans une bobine de déviation. Cette bobine est reliée à un condensateur d'aller de spot et un condensateur de retour de spot en formant un circuit résonnant sur lequel est montée en parallèle une première diode, et qui est relié par une seconde diode à un interrupteur commande conduisant pendant la dernière partie de l'intervalle d'aller, relié lui-même à une alimentation par une première bobine d'induction; la première diode conduit pendant la première partie de l'intervalle d'aller, et elle est reliée à la seconde par un condensateur. Lorsque l'interrupteur conduit, une tension d'amplitude sensiblement égale à la tension entre les armatures du premier condensateur, mais de polarité opposée, est produite. Applications : notamment à la bobine de déviation d'un tube à rayons cathodiques de télévision.
FR7812937A 1977-04-29 1978-05-02 Circuit destine a produire un courant en dents de scie dans une bobine Granted FR2389275A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67959/77A IT1073622B (it) 1977-04-29 1977-04-29 Circuito per ottenere una corrente a denti di sega in una bobina

Publications (2)

Publication Number Publication Date
FR2389275A1 true FR2389275A1 (fr) 1978-11-24
FR2389275B1 FR2389275B1 (fr) 1982-12-31

Family

ID=11306721

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7812937A Granted FR2389275A1 (fr) 1977-04-29 1978-05-02 Circuit destine a produire un courant en dents de scie dans une bobine

Country Status (6)

Country Link
US (1) US4163179A (fr)
DE (1) DE2818401C2 (fr)
FR (1) FR2389275A1 (fr)
GB (1) GB1576188A (fr)
IT (1) IT1073622B (fr)
NL (1) NL7804619A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1160915B (it) * 1978-10-30 1987-03-11 Indesit Circuito per ottenere una corrente a denti di sega in una bobina
JPH04150579A (ja) * 1990-10-12 1992-05-25 Mitsubishi Electric Corp リトレースキャパシタ切換回路
CN1250307A (zh) * 1998-09-14 2000-04-12 索尼公司 水平偏转电路

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2210864A1 (fr) * 1972-12-19 1974-07-12 Philips Nv

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3365608A (en) * 1964-11-16 1968-01-23 Rca Corp Electron beam deflection circuit
US3436591A (en) * 1965-08-06 1969-04-01 Rca Corp Electron beam deflection and low voltage supply circuit
US3795835A (en) * 1972-09-08 1974-03-05 Gte Sylvania Inc Horizontal linearity correction circuit
NO134353C (no) * 1974-12-10 1983-05-04 Philips Nv Linjeavboeyningskrets for katodestraaleroer.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2210864A1 (fr) * 1972-12-19 1974-07-12 Philips Nv

Also Published As

Publication number Publication date
US4163179A (en) 1979-07-31
DE2818401A1 (de) 1978-11-02
IT1073622B (it) 1985-04-17
DE2818401C2 (de) 1986-10-23
GB1576188A (en) 1980-10-01
NL7804619A (nl) 1978-10-31
FR2389275B1 (fr) 1982-12-31

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Legal Events

Date Code Title Description
CA Change of address
TP Transmission of property
ST Notification of lapse