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FR823102A - Improvements to devices with thermionic lamps actuated by pulsation, such as for example frequency dividers, electric meters and similar devices - Google Patents

Improvements to devices with thermionic lamps actuated by pulsation, such as for example frequency dividers, electric meters and similar devices

Info

Publication number
FR823102A
FR823102A FR823102DA FR823102A FR 823102 A FR823102 A FR 823102A FR 823102D A FR823102D A FR 823102DA FR 823102 A FR823102 A FR 823102A
Authority
FR
France
Prior art keywords
devices
thermionic
pulsation
frequency dividers
electric meters
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 FR823102A publication Critical patent/FR823102A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
    • H03B19/06—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes
    • H03B19/08—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes by means of a discharge device
    • H03B19/12—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes by means of a discharge device using division only
FR823102D 1935-12-04 1936-12-03 Improvements to devices with thermionic lamps actuated by pulsation, such as for example frequency dividers, electric meters and similar devices Expired FR823102A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB33663/35A GB471731A (en) 1935-12-04 1935-12-04 Improvements in and relating to pulse-operated thermionic valve apparatus, such for example as frequency dividers, electrical counting arrangements and the like

Publications (1)

Publication Number Publication Date
FR823102A true FR823102A (en) 1938-01-14

Family

ID=10355817

Family Applications (1)

Application Number Title Priority Date Filing Date
FR823102D Expired FR823102A (en) 1935-12-04 1936-12-03 Improvements to devices with thermionic lamps actuated by pulsation, such as for example frequency dividers, electric meters and similar devices

Country Status (3)

Country Link
US (1) US2113011A (en)
FR (1) FR823102A (en)
GB (1) GB471731A (en)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
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US2482804A (en) * 1940-05-16 1949-09-27 Edward M Sorensen Frequency measuring device and remote-control system
US2537383A (en) * 1942-03-31 1951-01-09 Hartford Nat Bank & Trust Co Device for extinguishing a discharge tube having a mercury cathode
US2438927A (en) * 1942-08-24 1948-04-06 Standard Telephones Cables Ltd Modulation means and method
US2429226A (en) * 1942-09-14 1947-10-21 Hammond Instr Co Electrical musical instrument
GB577710A (en) * 1944-03-08 1946-05-29 Edward Arthur Newman Improvements in or relating to electric impulse generators
GB565638A (en) * 1943-05-12 1944-11-20 Standard Telephones Cables Ltd Improvements relating to frequency dividing arrangements
US2432292A (en) * 1943-05-29 1947-12-09 Rca Corp Electronic counter circuit
US2428913A (en) * 1943-12-10 1947-10-14 Rca Corp Count selector
US2489824A (en) * 1943-12-24 1949-11-29 Rca Corp Square wave generator with impulse counter timing control for frequency division
US2473542A (en) * 1944-02-25 1949-06-21 La Verne R Philpott Electric tachometer
US2496337A (en) * 1944-02-29 1950-02-07 Phillips Petroleum Co Detonation meter
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US2465925A (en) * 1944-05-18 1949-03-29 Rca Corp Radio control system
US2448814A (en) * 1944-07-12 1948-09-07 Du Mont Allen B Lab Inc Device for selecting metal pieces
US2450360A (en) * 1944-08-31 1948-09-28 Rca Corp Timing marker and station selection apparatus
US2415567A (en) * 1944-12-02 1947-02-11 Rca Corp Frequency counter circuit
US2487191A (en) * 1945-01-24 1949-11-08 Philco Corp Double diode variable frequency divider
US2436637A (en) * 1945-02-01 1948-02-24 Gen Electric Electronic counter device
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US2567845A (en) * 1945-04-12 1951-09-11 Philco Corp Counter circuit
US2515271A (en) * 1945-04-28 1950-07-18 Jr Carl H Smith Multivibrator count down circuits
US2589833A (en) * 1945-05-03 1952-03-18 Us Sec War Pulse discriminator circuit
US2560378A (en) * 1945-06-29 1951-07-10 Emi Ltd Frequency modulation detector
US2577499A (en) * 1945-07-09 1951-12-04 Wilmer C Anderson Pulse measuring device
US2519421A (en) * 1945-07-23 1950-08-22 Phil H Weiss Apparatus for measuring blast pressures
US2540524A (en) * 1945-07-27 1951-02-06 Rca Corp Electrical counter circuit
US2469031A (en) * 1945-09-06 1949-05-03 Rca Corp Electronic counter circuit
US2700102A (en) * 1945-09-14 1955-01-18 Richard H Woodward Long range navigation system
US2515224A (en) * 1945-09-24 1950-07-18 Holritz Clarence Protective device for vacuum tubes
US2480582A (en) * 1945-10-18 1949-08-30 Rca Corp Synchronizing pulse gating system
US2549022A (en) * 1945-10-27 1951-04-17 Rca Corp Integrating counter circuit
US2555865A (en) * 1945-12-12 1951-06-05 Aluminum Co Of America Impulse frequency metering system
US2638549A (en) * 1945-12-28 1953-05-12 Us Navy Circuit for neutralization of frequency divider chains
US2538250A (en) * 1946-01-15 1951-01-16 Emi Ltd Frequency dividing apparatus
US2467486A (en) * 1946-02-09 1949-04-19 Stromberg Carlson Co Communication system
US2688079A (en) * 1946-02-21 1954-08-31 Us Navy Multivibrator
US2607892A (en) * 1946-02-28 1952-08-19 Bell Telephone Labor Inc Timing circuit
US2573150A (en) * 1946-02-28 1951-10-30 Bell Telephone Labor Inc Frequency divider
US2653236A (en) * 1946-04-02 1953-09-22 John K Phelan Frequency dividing circuit
US2641694A (en) * 1946-04-27 1953-06-09 Farnsworth Res Corp Pulse counter
US2583003A (en) * 1946-04-29 1952-01-22 Farnsworth Res Corp Counter circuit
US2536816A (en) * 1946-05-29 1951-01-02 Stromberg Carlson Co Pulse generator
US2589270A (en) * 1946-05-31 1952-03-18 Farnsworth Res Corp Electronic timing circuit
US2551619A (en) * 1946-06-21 1951-05-08 Int Standard Electric Corp Electric time constant circuit
US2600270A (en) * 1946-06-25 1952-06-10 Norman B Saunders Microsecond delay circuit
US2621263A (en) * 1946-07-09 1952-12-09 Gen Electric Pulse amplifier
US2646925A (en) * 1946-08-12 1953-07-28 Atomic Energy Commission Electrical integrator
US2481112A (en) * 1946-09-13 1949-09-06 American Telephone & Telegraph Teletypewriter permutation code signal combination counter
US2689911A (en) * 1946-09-24 1954-09-21 Us Navy Sweep voltage generator
US2584720A (en) * 1946-10-26 1952-02-05 Gen Electric Electronic counter
US2574253A (en) * 1946-12-10 1951-11-06 Hazeltine Research Inc Generator
US2562913A (en) * 1947-01-03 1951-08-07 Vernon L Heeren Low-frequency pulse rate indicator
US2543737A (en) * 1947-03-28 1951-02-27 Rca Corp Multiplex system
US2533567A (en) * 1947-11-15 1950-12-12 Marcellus S Merrill Electronic control circuits
US2562228A (en) * 1947-12-12 1951-07-31 Rca Corp Frequency divider
US2529547A (en) * 1948-03-23 1950-11-14 Philco Corp Frequency divider
US2491904A (en) * 1948-06-25 1949-12-20 Michael J Poole Electronic detection system
US2588427A (en) * 1949-03-31 1952-03-11 Us Interior Condenser charge regulation
US2679028A (en) * 1950-06-26 1954-05-18 Lane Wells Co Amplitude modulation measuring circuit
US2680808A (en) * 1950-07-20 1954-06-08 Marchant Calculators Inc Capacitor charging and discharging circuit
US2762974A (en) * 1950-08-16 1956-09-11 Nat Res Dev Logarithmic pulse rate meter
US2715712A (en) * 1950-08-16 1955-08-16 Nat Res Dev Integrating circuits
US2889986A (en) * 1951-05-17 1959-06-09 Magnuson Counting mechanism for use in canneries and the like
US2872642A (en) * 1951-07-06 1959-02-03 Lufttechnischen Ges M B H Measurement of very small electric potential changes
US2673929A (en) * 1951-07-27 1954-03-30 Du Mont Allen B Lab Inc Integrating circuit
US2750500A (en) * 1951-09-06 1956-06-12 Aiken William Ross Linear pulse integrator
US2781490A (en) * 1952-01-07 1957-02-12 Jr Fern W Mitchell Coulometer
DE949689C (en) * 1952-12-25 1956-09-27 Turner Ag Maschf Device for measuring areas
US2901635A (en) * 1954-09-24 1959-08-25 Sperry Rand Corp Delay flop
US2945183A (en) * 1956-08-08 1960-07-12 Hewlett Packard Co Delay generator

Also Published As

Publication number Publication date
US2113011A (en) 1938-04-05
GB471731A (en) 1937-09-06

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