FR1443261A - Perfectionnements aux convertisseurs de fréquence variable en largeur d'impulsion - Google Patents

Perfectionnements aux convertisseurs de fréquence variable en largeur d'impulsion

Info

Publication number
FR1443261A
FR1443261A FR16234A FR16234A FR1443261A FR 1443261 A FR1443261 A FR 1443261A FR 16234 A FR16234 A FR 16234A FR 16234 A FR16234 A FR 16234A FR 1443261 A FR1443261 A FR 1443261A
Authority
FR
France
Prior art keywords
pulse width
variable frequency
frequency pulse
width converters
converters
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
FR16234A
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.)
Bendix Corp
Original Assignee
Bendix Corp
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 Bendix Corp filed Critical Bendix Corp
Application granted granted Critical
Publication of FR1443261A publication Critical patent/FR1443261A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/06—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage
    • G01R23/09—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage using analogue integrators, e.g. capacitors establishing a mean value by balance of input signals and defined discharge signals or leakage
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K11/00—Transforming types of modulations, e.g. position-modulated pulses into duration-modulated pulses
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
    • H03K9/06—Demodulating pulses which have been modulated with a continuously-variable signal of frequency- or rate-modulated pulses
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/50—Analogue/digital converters with intermediate conversion to time interval
    • H03M1/504—Analogue/digital converters with intermediate conversion to time interval using pulse width modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Eletrric Generators (AREA)
FR16234A 1964-05-07 1965-05-07 Perfectionnements aux convertisseurs de fréquence variable en largeur d'impulsion Expired FR1443261A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US365679A US3350637A (en) 1964-05-07 1964-05-07 Variable frequency to pulse-width converter

Publications (1)

Publication Number Publication Date
FR1443261A true FR1443261A (fr) 1966-06-24

Family

ID=23439880

Family Applications (1)

Application Number Title Priority Date Filing Date
FR16234A Expired FR1443261A (fr) 1964-05-07 1965-05-07 Perfectionnements aux convertisseurs de fréquence variable en largeur d'impulsion

Country Status (2)

Country Link
US (1) US3350637A (fr)
FR (1) FR1443261A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496298A (en) * 1965-05-26 1970-02-17 Magnavox Co System for facsimile transmission over telephone lines
US3445767A (en) * 1965-10-11 1969-05-20 Eberline Instr Corp Pulse rate to current converting and linear log indicating
US3406328A (en) * 1966-04-28 1968-10-15 Borg Warner Static inverter carrier system
US3611129A (en) * 1969-01-31 1971-10-05 Vyzk Ustav Zdravot Tech Low frequency measuring circuit
US3828279A (en) * 1969-09-29 1974-08-06 Wrather J Data handling system employing time modulation
US3579146A (en) * 1969-12-31 1971-05-18 Nasa Digital modulator and demodulator
US3781715A (en) * 1970-09-02 1973-12-25 Beukers Labor Inc Radiosonde meteorological data oscillator and pulse stretcher
US3808543A (en) * 1972-10-24 1974-04-30 Daniel Ind Inc Apparatus and method to accomplish turbine meter output pulse multiplication
US3946322A (en) * 1974-06-17 1976-03-23 The United States Of America As Represented By The Secretary Of The Navy Pulse duty cycle transition moderating device
US4282967A (en) * 1980-01-17 1981-08-11 Maxi-Tronic, Inc. Grain elevator controls
US4476435A (en) * 1982-03-22 1984-10-09 International Telephone And Telegraph Corporation Digital demodulation of frequency modulated signals
JP4423157B2 (ja) * 2004-10-06 2010-03-03 キヤノン株式会社 電力線通信装置およびその制御方法
EP2189816B1 (fr) * 2008-11-24 2016-03-16 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Circuit de détection de l'impulsion de charge

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2468703A (en) * 1946-09-26 1949-04-26 Serdex Inc Chronometric electronic radiosonde system
US2826741A (en) * 1955-06-29 1958-03-11 Motorola Inc Signal generator system
US2955202A (en) * 1958-12-04 1960-10-04 George L Nankervis Company Frequency measuring equipment
US3037172A (en) * 1959-09-22 1962-05-29 Texas Instruments Inc Duty cycle modulated multivibrator
US3061799A (en) * 1959-09-22 1962-10-30 Texas Instruments Inc Frequency modulated multivibrator with a constant duty cycle
US3152306A (en) * 1960-06-20 1964-10-06 Gen Electric Control circuit for astable multivibrator
US3219926A (en) * 1960-09-15 1965-11-23 Gen Motors Corp Tachometer responsive to ignition pulses utilizing a zener diode-inductor filter
US3164770A (en) * 1960-10-03 1965-01-05 Lockheed Aircraft Corp Frequency meter comprising a logarithmic multivibrator, integrator and meter
US3156115A (en) * 1961-05-10 1964-11-10 Charles B Adelmann Rate of flow indicating device
US3219935A (en) * 1961-08-08 1965-11-23 Yokogawa Electric Corp Measuring-counting system for determining and control-circuit for continuously providing exact multiple of unknown frequency input

Also Published As

Publication number Publication date
US3350637A (en) 1967-10-31

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