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ES348968A1 - Un dispositivo descodificador para identificar una senal deentrada. - Google Patents

Un dispositivo descodificador para identificar una senal deentrada.

Info

Publication number
ES348968A1
ES348968A1 ES348968A ES348968A ES348968A1 ES 348968 A1 ES348968 A1 ES 348968A1 ES 348968 A ES348968 A ES 348968A ES 348968 A ES348968 A ES 348968A ES 348968 A1 ES348968 A1 ES 348968A1
Authority
ES
Spain
Prior art keywords
signal
input signal
frequencies
outputs
plural reference
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
ES348968A
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of ES348968A1 publication Critical patent/ES348968A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Telephone Function (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Paper (AREA)
  • Sorting Of Articles (AREA)
ES348968A 1967-01-06 1968-01-05 Un dispositivo descodificador para identificar una senal deentrada. Expired ES348968A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60779467A 1967-01-06 1967-01-06

Publications (1)

Publication Number Publication Date
ES348968A1 true ES348968A1 (es) 1969-03-16

Family

ID=24433728

Family Applications (1)

Application Number Title Priority Date Filing Date
ES348968A Expired ES348968A1 (es) 1967-01-06 1968-01-05 Un dispositivo descodificador para identificar una senal deentrada.

Country Status (9)

Country Link
US (1) US3493934A (es)
BE (1) BE708440A (es)
CH (1) CH469409A (es)
DE (1) DE1591229B1 (es)
ES (1) ES348968A1 (es)
FR (1) FR1549841A (es)
GB (1) GB1142426A (es)
NL (1) NL156004B (es)
SE (1) SE336001B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3858117A (en) * 1973-01-29 1974-12-31 Adar Inc Radio teletype detector circuit
GB1505828A (en) * 1974-04-04 1978-03-30 Nat Res Dev Calling aids

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1154838B (de) * 1961-05-05 1963-09-26 Standard Elektrik Lorenz Ag Verfahren zum Empfang von tonfrequenten Codezeichen
US3341815A (en) * 1962-12-31 1967-09-12 Bunker Ramo Frequency responsive receiving system with noise prevention

Also Published As

Publication number Publication date
SE336001B (es) 1971-06-21
NL6717776A (es) 1968-07-08
NL156004B (nl) 1978-02-15
BE708440A (es) 1968-05-02
DE1591229B1 (de) 1971-02-25
GB1142426A (en) 1969-02-05
CH469409A (de) 1969-02-28
US3493934A (en) 1970-02-03
FR1549841A (es) 1968-12-13

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