FR877734A - Improvements to synchronized devices intended to generate a sawtooth current - Google Patents

Improvements to synchronized devices intended to generate a sawtooth current

Info

Publication number
FR877734A
FR877734A FR877734DA FR877734A FR 877734 A FR877734 A FR 877734A FR 877734D A FR877734D A FR 877734DA FR 877734 A FR877734 A FR 877734A
Authority
FR
France
Prior art keywords
generate
devices intended
sawtooth current
synchronized devices
synchronized
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
French (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.)
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
Application granted granted Critical
Publication of FR877734A publication Critical patent/FR877734A/en
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
    • H03K4/26—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
    • H03K4/28—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 a switching device
    • H03K4/32—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 a switching device combined with means for generating the driving pulses
    • H03K4/34—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 a switching device combined with means for generating the driving pulses using a single tube with positive feedback through a transformer
FR877734D 1940-12-17 1941-12-15 Improvements to synchronized devices intended to generate a sawtooth current Expired FR877734A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL877734X 1940-12-17

Publications (1)

Publication Number Publication Date
FR877734A true FR877734A (en) 1942-12-15

Family

ID=19851463

Family Applications (1)

Application Number Title Priority Date Filing Date
FR877734D Expired FR877734A (en) 1940-12-17 1941-12-15 Improvements to synchronized devices intended to generate a sawtooth current

Country Status (3)

Country Link
DE (1) DE976199C (en)
FR (1) FR877734A (en)
NL (1) NL68153C (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB359041A (en) * 1930-07-18 1931-10-19 Horace Leslie Crowther Improvements in or relating to thermionic valves and thermionic valve circuits
US2051372A (en) * 1931-07-14 1936-08-18 Television Lab Ltd Scanning and synchronizing system
FR743623A (en) * 1931-11-18 1933-04-03
USRE21400E (en) * 1932-04-04 1940-03-19 blumlein
DE655923C (en) * 1933-07-17 1938-01-26 Isolde Hausser Dr Device for generating vibrations by means of high vacuum tubes in braking field circuit
AT151218B (en) * 1935-02-05 1937-10-25 Telefunken Ges Fuer Drathlose Circuit arrangement for generating a sawtooth-shaped current curve, in particular for the magnetic deflection of cathode rays for television purposes.
DE889309C (en) * 1935-02-06 1953-09-10 Telefunken Gmbh Circuit arrangement for generating a sawtooth-shaped current curve for the magnetic deflection of cathode rays, in particular for television purposes
GB482370A (en) * 1936-08-27 1938-03-28 Eric Lawrence Casling White Improvements in or relating to oscillatory electric circuits
BE432682A (en) * 1938-02-15
DE737998C (en) * 1938-11-26 1943-07-30 Fernseh Gmbh Flip-flop for generating a saw-tooth-shaped deflection voltage or a deflection current for deflecting electron beams in electron beam tubes using a feedback transformer and a screen grid tube

Also Published As

Publication number Publication date
DE976199C (en) 1963-04-25
NL68153C (en)

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