FR858869A - Improvements to thermionic lamp circuits - Google Patents

Improvements to thermionic lamp circuits

Info

Publication number
FR858869A
FR858869A FR858869DA FR858869A FR 858869 A FR858869 A FR 858869A FR 858869D A FR858869D A FR 858869DA FR 858869 A FR858869 A FR 858869A
Authority
FR
France
Prior art keywords
thermionic
lamp circuits
lamp
circuits
thermionic lamp
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.)
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 FR858869A publication Critical patent/FR858869A/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
    • H03K4/39—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
FR858869D 1938-08-23 1939-08-08 Improvements to thermionic lamp circuits Expired FR858869A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB24745/38A GB518378A (en) 1938-08-23 1938-08-23 Improvements in or relating to thermionic valve circuits

Publications (1)

Publication Number Publication Date
FR858869A true FR858869A (en) 1940-12-05

Family

ID=10216582

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858869D Expired FR858869A (en) 1938-08-23 1939-08-08 Improvements to thermionic lamp circuits

Country Status (3)

Country Link
US (1) US2230819A (en)
FR (1) FR858869A (en)
GB (1) GB518378A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2512305A (en) * 1945-12-15 1950-06-20 Philco Corp Electrical system
US2522567A (en) * 1946-06-21 1950-09-19 Emory G Cook Amplifier feed-back system for magnetic motors
US2559316A (en) * 1948-03-22 1951-07-03 Louis W Parker Sweep circuit for television receivers
NL155958B (en) * 1948-06-30 Dresden Kraftfahrzeug Veb SPEED REGULATOR.
US2505732A (en) * 1948-07-31 1950-04-25 Rca Corp Signal translating system
US2587313A (en) * 1948-09-23 1952-02-26 Rca Corp Automatic control of wave form
GB663779A (en) * 1948-11-24 1951-12-27 John Edward Cope Arrangements for stabilising the scanning waveform used for the magnetic deflection of cathode ray tubes and the like
NL83733C (en) * 1949-11-30
US2761092A (en) * 1950-02-27 1956-08-28 Electronique & Automatisme Sa Inductive charges feeding circuit
US2545346A (en) * 1950-03-22 1951-03-13 Avco Mfg Corp Automatic frequency control for television receivers
US2728874A (en) * 1952-12-09 1955-12-27 Rca Corp Cathode ray beam deflection circuits
NL189218B (en) * 1953-07-17 Polaroid Corp PHOTOGRAPHIC FILM UNIT FOR DIFFUSION TRANSFER.
US2752527A (en) * 1953-08-18 1956-06-26 Tektronix Inc Method of magnifying waveforms on a cathode-ray tube and circuit therefor
US2728875A (en) * 1953-09-01 1955-12-27 Rca Corp Raster size control
US2924746A (en) * 1958-08-29 1960-02-09 Westinghouse Electric Corp Cathode ray beam deflection circuits

Also Published As

Publication number Publication date
GB518378A (en) 1940-02-26
US2230819A (en) 1941-02-04

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