[go: up one dir, main page]

ES177793A1 - Un procedimiento de reproducir las frecuencias de señales de una onda modulada en frecuencia - Google Patents

Un procedimiento de reproducir las frecuencias de señales de una onda modulada en frecuencia

Info

Publication number
ES177793A1
ES177793A1 ES177793A ES177793A ES177793A1 ES 177793 A1 ES177793 A1 ES 177793A1 ES 177793 A ES177793 A ES 177793A ES 177793 A ES177793 A ES 177793A ES 177793 A1 ES177793 A1 ES 177793A1
Authority
ES
Spain
Prior art keywords
frequency
procedure
signals
reproduce
modulated wave
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
ES177793A
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.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23242802&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES177793(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of ES177793A1 publication Critical patent/ES177793A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
    • H04B14/006—Angle modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
ES177793A 1940-02-19 1947-04-28 Un procedimiento de reproducir las frecuencias de señales de una onda modulada en frecuencia Expired ES177793A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US319569A US2215284A (en) 1940-02-19 1940-02-19 Frequency modulation signaling system

Publications (1)

Publication Number Publication Date
ES177793A1 true ES177793A1 (es) 1947-07-16

Family

ID=23242802

Family Applications (1)

Application Number Title Priority Date Filing Date
ES177793A Expired ES177793A1 (es) 1940-02-19 1947-04-28 Un procedimiento de reproducir las frecuencias de señales de una onda modulada en frecuencia

Country Status (4)

Country Link
US (2) US2215284A (es)
BE (1) BE472015A (es)
ES (1) ES177793A1 (es)
FR (1) FR942970A (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433093A (en) * 1943-04-27 1947-12-23 Rca Corp Amplitude modulation adapter system
US2585605A (en) * 1946-11-12 1952-02-12 Wallace Navigational system
US2489313A (en) * 1947-03-08 1949-11-29 Int Standard Electric Corp Frequency modulation discriminator
NL147080B (nl) * 1948-06-19 Mead Corp Werkwijze ter vervaardiging van een registratiemateriaal, geschikt voor het ontwikkelen van gekleurde beelden met een kleurreagens, en aldus vervaardigd registratiemateriaal.
US2617923A (en) * 1949-08-31 1952-11-11 Kxok Inc Radio broadcasting system with selective program elimination
US2972046A (en) * 1957-08-30 1961-02-14 Research Corp Bandwidth modulation information transfer system
BE620454A (es) * 1961-07-20
US3444469A (en) * 1965-04-16 1969-05-13 Nippon Electric Co Variable-emphasis communications system of the frequency or phasemodulation type
US4053834A (en) 1973-04-12 1977-10-11 Textron, Inc. Narrowband phase modulation communication system which eliminates thresholding
JP2821198B2 (ja) * 1989-10-02 1998-11-05 キヤノン株式会社 周波数処理回路

Also Published As

Publication number Publication date
US2215284A (en) 1940-09-17
USRE21660E (en) 1940-12-17
FR942970A (fr) 1949-02-23
BE472015A (es)

Similar Documents

Publication Publication Date Title
FR938200A (fr) Multiplicateur de fréquence
ES175982A1 (es) Disposición para explorar un espacio predeterminado con un haz radiado de señales de onda
ES177793A1 (es) Un procedimiento de reproducir las frecuencias de señales de una onda modulada en frecuencia
FR950385A (fr) Récepteur pour ondes modulées en fréquence
FR51758E (fr) Générateur d'ondes ultra-courtes
FR871537A (fr) Perfectionnements aux circuits récepteurs d'ondes modulées en fréquence
FR946307A (fr) Méthode et moyens de réception d'une onde de fréquence modulée
FR872388A (fr) Multiplicateur de fréquence
FR848415A (fr) Récepteur d'ondes modulées en fréquence
FR908725A (fr) Perfectionnements aux générateurs d'ondes modulées en fréquence
AU112932B2 (en) Measurement of frequency modulated waves
FR908726A (fr) Perfectionnements aux émetteurs d'ondes modulées en fréquence
AU157740A (en) Measurement of frequency modulated waves
ES152985A1 (es) Una disposición de conexión para producir dos frecuencias sonoras alternantes según una tercera frecuencia
FR862848A (fr) Perfectionnements aux récepteurs d'ondes modulées en fréquence
FR873126A (fr) Procédé de modulation d'un émetteur d'ondes ultra-courtes
ES153873A1 (es) Una disposición para recibir energía de alta frecuencia modulada
FR934000A (fr) Multiplicateurs de fréquence
ES149444A3 (es) Procedimiento de transmisión y funcionamiento de señales de alarma
FR873542A (fr) Amplificateur pour hautes fréquences
DK67107C (da) Kobling til Frekvensmodulation af elektriske Svingninger.
ES176999A1 (es) Mejoras en o relativas a generadores de señales telegráficas
FR880428A (fr) Disposition pour la transmission de signaux modulés en fréquence
ES149219A1 (es) Un procedimiento de obtención de una bebida
FR883260A (fr) Amplificateur d'ondes électriques