ES177793A1 - A PROCEDURE TO REPRODUCE FREQUENCY OF SIGNALS OF A MODULATED WAVE IN FREQUENCY - Google Patents

A PROCEDURE TO REPRODUCE FREQUENCY OF SIGNALS OF A MODULATED WAVE IN FREQUENCY

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
Spanish (es)
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=***_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/en
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 A PROCEDURE TO REPRODUCE FREQUENCY OF SIGNALS OF A MODULATED WAVE IN FREQUENCY Expired ES177793A1 (en)

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 (en) 1947-07-16

Family

ID=23242802

Family Applications (1)

Application Number Title Priority Date Filing Date
ES177793A Expired ES177793A1 (en) 1940-02-19 1947-04-28 A PROCEDURE TO REPRODUCE FREQUENCY OF SIGNALS OF A MODULATED WAVE IN FREQUENCY

Country Status (4)

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

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
BE489677A (en) * 1948-06-19
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
NL112259C (en) * 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 (en) * 1989-10-02 1998-11-05 キヤノン株式会社 Frequency processing circuit

Also Published As

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

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