FR1018984A - Circuit d'exploration pour appareils de télévision et analogues - Google Patents

Circuit d'exploration pour appareils de télévision et analogues

Info

Publication number
FR1018984A
FR1018984A FR1018984DA FR1018984A FR 1018984 A FR1018984 A FR 1018984A FR 1018984D A FR1018984D A FR 1018984DA FR 1018984 A FR1018984 A FR 1018984A
Authority
FR
France
Prior art keywords
television
similar apparatus
exploration circuit
exploration
circuit
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
Application number
Other languages
English (en)
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR1018984A publication Critical patent/FR1018984A/fr
Expired 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
    • H03K4/10—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only
    • H03K4/12—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth voltage is produced across a capacitor
    • H03K4/16—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth voltage is produced across a capacitor using a single tube with positive feedback through transformer, e.g. blocking oscillator
    • 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
    • H03K4/10—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only
    • H03K4/26—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor
    • H03K4/39—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as an amplifier
    • H03K4/43—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as an amplifier combined with means for generating the driving pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Details Of Television Scanning (AREA)
FR1018984D 1949-05-14 1950-05-12 Circuit d'exploration pour appareils de télévision et analogues Expired FR1018984A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1291549A GB669419A (en) 1949-05-14 1949-05-14 Improvements relating to the scanning circuit arrangements for television and like apparatus

Publications (1)

Publication Number Publication Date
FR1018984A true FR1018984A (fr) 1953-01-15

Family

ID=10013462

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1018984D Expired FR1018984A (fr) 1949-05-14 1950-05-12 Circuit d'exploration pour appareils de télévision et analogues

Country Status (2)

Country Link
FR (1) FR1018984A (fr)
GB (1) GB669419A (fr)

Also Published As

Publication number Publication date
GB669419A (en) 1952-04-02

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