ES178254A1 - Mejoras en disposiciones de circuito - Google Patents

Mejoras en disposiciones de circuito

Info

Publication number
ES178254A1
ES178254A1 ES0178254A ES178254A ES178254A1 ES 178254 A1 ES178254 A1 ES 178254A1 ES 0178254 A ES0178254 A ES 0178254A ES 178254 A ES178254 A ES 178254A ES 178254 A1 ES178254 A1 ES 178254A1
Authority
ES
Spain
Prior art keywords
pulses
receiver
output
sensitivity
stability
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
ES0178254A
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES178254A1 publication Critical patent/ES178254A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/22—Automatic control in amplifiers having discharge tubes

Landscapes

  • Circuits Of Receivers In General (AREA)
  • Noise Elimination (AREA)

Abstract

Disposición de circuito para gobernar automáticamente el nivel de salida de un receptor de radio caracterizada por un circuito de entrada adaptado para derivar de la salida del receptor primeros impulsos y segundos impulsos alternados de magnitudes representativas del nivel de salida del receptor un dispositivo de gobierno operable a niveles respectivos de estabilidad en respuesta a los primeros impulsos y segundos impulsos estando dispuesto el referido dispositivo para responder con un grado predeterminado de sensibilidad a los primeros impulsos y con un menor grado de sensibilidad a los segundos impulsos y un circuito de salida dispuesto para desarrollar una tensión de gobierno que dependen de la duración de una condición operativa que corresponde a uno de los referidos niveles de estabilidad del dispositivo de gobierno proporcionándose medios para aplicar la tensión del gobierno al receptor de modo de variar la ganancia de este último.
ES0178254A 1946-02-09 1947-05-30 Mejoras en disposiciones de circuito Expired ES178254A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US646694A US2498659A (en) 1946-02-09 1946-02-09 Automatic volume control system

Publications (1)

Publication Number Publication Date
ES178254A1 true ES178254A1 (es) 1947-07-16

Family

ID=24594089

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0178254A Expired ES178254A1 (es) 1946-02-09 1947-05-30 Mejoras en disposiciones de circuito

Country Status (2)

Country Link
US (1) US2498659A (es)
ES (1) ES178254A1 (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2660672A (en) * 1952-02-15 1953-11-24 Int Standard Electric Corp Method and means for generating impulses of large keying ratio
US2844647A (en) * 1954-02-10 1958-07-22 Gen Electric Amplifier-limiter circuit
US2794123A (en) * 1954-02-10 1957-05-28 Bell Telephone Labor Inc Electrical delay circuits
US3078416A (en) * 1959-07-09 1963-02-19 Westinghouse Electric Corp Generator for producing a signal having a symbolic waveform
US3143707A (en) * 1961-06-23 1964-08-04 Collins Radio Co Gated dual identical channel a. g. c.
US3671867A (en) * 1970-04-15 1972-06-20 Us Navy Noise suppression arrangement for communication receivers
US4739759A (en) * 1985-02-26 1988-04-26 Concept, Inc. Microprocessor controlled electrosurgical generator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1866687A (en) * 1927-12-08 1932-07-12 Hazeltine Corp Radio volume control
US1931660A (en) * 1931-05-02 1933-10-24 Siemens Ag Automatic gain control
DE878512C (de) * 1935-03-20 1953-04-16 Emi Ltd Verfahren zur Fadingregelung oder zur Wiedereinfuehrung der Gleich-stromkomponente in elektrische Signale, insbesondere beim Fernsehen
US2240600A (en) * 1938-07-16 1941-05-06 Philco Radio & Television Corp Automatic gain control system
US2421018A (en) * 1943-02-27 1947-05-27 Standard Telephones Cables Ltd Radio detection system
US2412111A (en) * 1943-12-30 1946-12-03 Rca Corp Measurement of time between pulses

Also Published As

Publication number Publication date
US2498659A (en) 1950-02-28

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