CA968423A - Process and apparatus for frequency modulation of binary messages - Google Patents

Process and apparatus for frequency modulation of binary messages

Info

Publication number
CA968423A
CA968423A CA108,030A CA108030A CA968423A CA 968423 A CA968423 A CA 968423A CA 108030 A CA108030 A CA 108030A CA 968423 A CA968423 A CA 968423A
Authority
CA
Canada
Prior art keywords
frequency modulation
binary messages
messages
binary
modulation
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
CA108,030A
Other languages
English (en)
Other versions
CA108030S (en
Inventor
Jean-Marie De Rubinat
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.)
Umicore NV SA
Original Assignee
Ateliers de Constructions Electriques de Charleroi 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 Ateliers de Constructions Electriques de Charleroi SA filed Critical Ateliers de Constructions Electriques de Charleroi SA
Application granted granted Critical
Publication of CA968423A publication Critical patent/CA968423A/en
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
    • H04L27/12—Modulator circuits; Transmitter circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Amplitude Modulation (AREA)
  • Transmitters (AREA)
CA108,030A 1970-03-18 1971-03-17 Process and apparatus for frequency modulation of binary messages Expired CA968423A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE747540A BE747540A (fr) 1970-03-18 1970-03-18 Procede et dispositif de modulation en frequence de messages binaires
BE86557 1970-03-18

Publications (1)

Publication Number Publication Date
CA968423A true CA968423A (en) 1975-05-27

Family

ID=74575450

Family Applications (1)

Application Number Title Priority Date Filing Date
CA108,030A Expired CA968423A (en) 1970-03-18 1971-03-17 Process and apparatus for frequency modulation of binary messages

Country Status (10)

Country Link
US (1) US3701053A (fr)
BE (1) BE747540A (fr)
CA (1) CA968423A (fr)
CH (1) CH539366A (fr)
DE (1) DE2112921A1 (fr)
ES (1) ES389286A1 (fr)
FR (1) FR2083367B1 (fr)
GB (1) GB1314946A (fr)
LU (1) LU62800A1 (fr)
NL (1) NL7103627A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938045A (en) * 1974-07-03 1976-02-10 Rca Corporation Transmitter for frequency shift keyed modulation
US4109239A (en) * 1975-09-30 1978-08-22 Scientific-Atlanta, Inc. Radio frequency alarm system including transmitting, coding and decoding circuitry
US4355289A (en) * 1980-07-14 1982-10-19 Wisconsin Alumni Research Foundation Phase shift and amplitude modulator
US4670989A (en) * 1981-04-30 1987-06-09 Gte Valeron Corporation Touch probe using microwave transmission
US4682344A (en) * 1985-07-30 1987-07-21 Amp Incorporated Rf fsk transmitter

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3190958A (en) * 1962-09-05 1965-06-22 Edward C Bullwinkel Frequency-shift-keyed signal generator with phase mismatch prevention means
US3454718A (en) * 1966-10-03 1969-07-08 Xerox Corp Fsk transmitter with transmission of the same number of cycles of each carrier frequency

Also Published As

Publication number Publication date
FR2083367A1 (fr) 1971-12-17
ES389286A1 (es) 1973-07-01
NL7103627A (nl) 1971-09-21
FR2083367B1 (fr) 1974-05-31
US3701053A (en) 1972-10-24
CH539366A (fr) 1973-07-15
LU62800A1 (fr) 1971-08-23
GB1314946A (en) 1973-04-26
DE2112921A1 (de) 1971-10-14
BE747540A (fr) 1970-09-18

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