IT1037580B - NUMERICAL OPERATION MODULATION DEVICE FOR THE FORMATION OF A MULTIPLEX FREQUENCY SYSTEM - Google Patents

NUMERICAL OPERATION MODULATION DEVICE FOR THE FORMATION OF A MULTIPLEX FREQUENCY SYSTEM

Info

Publication number
IT1037580B
IT1037580B IT2261975A IT2261975A IT1037580B IT 1037580 B IT1037580 B IT 1037580B IT 2261975 A IT2261975 A IT 2261975A IT 2261975 A IT2261975 A IT 2261975A IT 1037580 B IT1037580 B IT 1037580B
Authority
IT
Italy
Prior art keywords
formation
modulation device
frequency system
numerical operation
multiplex frequency
Prior art date
Application number
IT2261975A
Other languages
Italian (it)
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of IT1037580B publication Critical patent/IT1037580B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Time-Division Multiplex Systems (AREA)
IT2261975A 1974-04-29 1975-04-23 NUMERICAL OPERATION MODULATION DEVICE FOR THE FORMATION OF A MULTIPLEX FREQUENCY SYSTEM IT1037580B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7414917A FR2269250B1 (en) 1974-04-29 1974-04-29

Publications (1)

Publication Number Publication Date
IT1037580B true IT1037580B (en) 1979-11-20

Family

ID=9138279

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2261975A IT1037580B (en) 1974-04-29 1975-04-23 NUMERICAL OPERATION MODULATION DEVICE FOR THE FORMATION OF A MULTIPLEX FREQUENCY SYSTEM

Country Status (11)

Country Link
JP (1) JPS50151050A (en)
BE (1) BE827711A (en)
DE (1) DE2518885C2 (en)
DK (1) DK184375A (en)
FR (1) FR2269250B1 (en)
GB (1) GB1505750A (en)
IE (1) IE41023B1 (en)
IT (1) IT1037580B (en)
LU (1) LU72301A1 (en)
NL (1) NL7505120A (en)
SE (1) SE403547B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5586250A (en) * 1978-12-25 1980-06-28 Fujitsu Ltd Carrier generator
DE2916576C3 (en) * 1979-04-24 1981-12-10 Siemens AG, 1000 Berlin und 8000 München Digital telecommunication system for two-wire remote location operation
DE4136205C1 (en) * 1991-11-02 1992-10-08 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig Hollaend. Stiftung & Co Kg, 8510 Fuerth, De Signal processing circuit for cordless telephone - reduces signal harmonics in data transmission using Manchester decoder to extract information from received triangular signal

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497625A (en) * 1965-07-15 1970-02-24 Sylvania Electric Prod Digital modulation and demodulation in a communication system
US3772681A (en) * 1970-10-14 1973-11-13 Post Office Frequency synthesiser

Also Published As

Publication number Publication date
DE2518885C2 (en) 1985-02-21
DK184375A (en) 1975-10-30
JPS50151050A (en) 1975-12-04
SE403547B (en) 1978-08-21
SE7504909L (en) 1975-10-30
FR2269250B1 (en) 1979-10-19
IE41023L (en) 1975-10-29
DE2518885A1 (en) 1975-11-13
FR2269250A1 (en) 1975-11-21
IE41023B1 (en) 1979-10-10
LU72301A1 (en) 1976-03-17
BE827711A (en) 1975-10-09
NL7505120A (en) 1975-10-31
GB1505750A (en) 1978-03-30

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