FR879640A - Improvements to circuits comprising thermionic lamps intended for the production of sawtooth currents - Google Patents

Improvements to circuits comprising thermionic lamps intended for the production of sawtooth currents

Info

Publication number
FR879640A
FR879640A FR879640DA FR879640A FR 879640 A FR879640 A FR 879640A FR 879640D A FR879640D A FR 879640DA FR 879640 A FR879640 A FR 879640A
Authority
FR
France
Prior art keywords
thermionic
circuits
production
lamps intended
sawtooth currents
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 FR879640A publication Critical patent/FR879640A/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
FR879640D 1939-05-15 1940-05-15 Improvements to circuits comprising thermionic lamps intended for the production of sawtooth currents Expired FR879640A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB14467/39A GB529383A (en) 1939-05-15 1939-05-15 Improvements in or relating to thermionic valve circuits for the generation of saw tooth currents

Publications (1)

Publication Number Publication Date
FR879640A true FR879640A (en) 1943-03-01

Family

ID=10041718

Family Applications (1)

Application Number Title Priority Date Filing Date
FR879640D Expired FR879640A (en) 1939-05-15 1940-05-15 Improvements to circuits comprising thermionic lamps intended for the production of sawtooth currents

Country Status (4)

Country Link
US (1) US2280990A (en)
FR (1) FR879640A (en)
GB (1) GB529383A (en)
NL (1) NL74558C (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB581324A (en) * 1942-06-26 1946-10-09 John Mathieson Dodds Improvements in relaxation circuits for producing electrical impulses at regular recurrence frequencies
US2449998A (en) * 1943-07-22 1948-09-28 John C Hansen Modulator circuit
US2516135A (en) * 1943-07-22 1950-07-25 James R Moore Modulator circuit
BE482008A (en) * 1944-10-09
US2489155A (en) * 1944-12-30 1949-11-22 Allis Chalmcrs Mfg Company Electric control circuit
BE465641A (en) * 1945-06-01
US2512305A (en) * 1945-12-15 1950-06-20 Philco Corp Electrical system
US2571131A (en) * 1946-01-21 1951-10-16 Farnsworth Res Corp Sweep circuit
US2579633A (en) * 1946-03-01 1951-12-25 Le Roy J Wadzinski Variload and varibias circuits
US2470197A (en) * 1946-09-25 1949-05-17 Rca Corp Electron beam deflection control system
US2466537A (en) * 1947-02-28 1949-04-05 Remington Rand Inc Cathode-ray tube sweep circuit
NL73863C (en) * 1948-02-28
BE488391A (en) * 1948-04-09
BE490931A (en) * 1948-09-02
US2574732A (en) * 1949-04-01 1951-11-13 Rca Corp Automatic control for wave forms
US2642532A (en) * 1949-09-30 1953-06-16 Raytheon Mfg Co Electron discharge circuits
BE500219A (en) * 1949-12-30
US2599798A (en) * 1950-01-13 1952-06-10 Avco Mfg Corp Linearity control circuit for television receivers
US2761092A (en) * 1950-02-27 1956-08-28 Electronique & Automatisme Sa Inductive charges feeding circuit
BE507000A (en) * 1950-06-25
BE505991A (en) * 1950-09-20
DE1001431B (en) * 1952-12-18 1957-01-24 Fernseh Gmbh Arrangement for linearizing the deflection current of vertical frequency for cathode ray tubes
ES2594452B1 (en) * 2015-06-17 2017-09-28 Gamesa Innovation & Technology, S.L. Lightning rod system for wind turbine blades with an effective injection area in carbon fiber laminates and a balanced distribution of the intensity and voltage of lightning currents between different conductive paths

Also Published As

Publication number Publication date
NL74558C (en)
GB529383A (en) 1940-11-20
US2280990A (en) 1942-04-28

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