IT991652B - DEVICE WITH NU MERIC OPERATION FOR THE FORMATION OF A MULTIPLEX FREQUENCY SYSTEM - Google Patents

DEVICE WITH NU MERIC OPERATION FOR THE FORMATION OF A MULTIPLEX FREQUENCY SYSTEM

Info

Publication number
IT991652B
IT991652B IT68956/73A IT6895673A IT991652B IT 991652 B IT991652 B IT 991652B IT 68956/73 A IT68956/73 A IT 68956/73A IT 6895673 A IT6895673 A IT 6895673A IT 991652 B IT991652 B IT 991652B
Authority
IT
Italy
Prior art keywords
meric
formation
frequency system
multiplex frequency
multiplex
Prior art date
Application number
IT68956/73A
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 IT991652B publication Critical patent/IT991652B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements
    • H04J1/05—Frequency-transposition arrangements using digital techniques

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Analogue/Digital Conversion (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
IT68956/73A 1972-07-03 1973-07-02 DEVICE WITH NU MERIC OPERATION FOR THE FORMATION OF A MULTIPLEX FREQUENCY SYSTEM IT991652B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7224032A FR2191826A5 (en) 1972-07-03 1972-07-03

Publications (1)

Publication Number Publication Date
IT991652B true IT991652B (en) 1975-08-30

Family

ID=9101270

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68956/73A IT991652B (en) 1972-07-03 1973-07-02 DEVICE WITH NU MERIC OPERATION FOR THE FORMATION OF A MULTIPLEX FREQUENCY SYSTEM

Country Status (9)

Country Link
US (1) US3875340A (en)
BE (1) BE801780A (en)
DE (1) DE2333870A1 (en)
FR (1) FR2191826A5 (en)
GB (1) GB1437205A (en)
IE (1) IE37872B1 (en)
IT (1) IT991652B (en)
LU (1) LU67901A1 (en)
NL (1) NL7309282A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4086536A (en) * 1975-06-24 1978-04-25 Honeywell Inc. Single sideband transmitter apparatus
US4001510A (en) * 1975-07-07 1977-01-04 Motorola, Inc. Digital modulator and demodulator system for fdm telephony
US4316282A (en) * 1979-11-23 1982-02-16 Rca Corporation Multichannel frequency translation of sampled waveforms by decimation and interpolation
DE3120445A1 (en) * 1981-05-22 1983-05-26 AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang METHOD FOR FREQUENCY EXCHANGE OF SUB BANDS
JPS6259432A (en) * 1985-09-10 1987-03-16 Nec Corp Fdm/tdm mutual conversion system
DE3626862A1 (en) * 1986-08-08 1988-02-11 Philips Patentverwaltung MULTI-STAGE TRANSMITTER ANTENNA COUPLING DEVICE

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3676598A (en) * 1970-06-08 1972-07-11 Bell Telephone Labor Inc Frequency division multiplex single-sideband modulation system

Also Published As

Publication number Publication date
LU67901A1 (en) 1974-01-03
GB1437205A (en) 1976-05-26
NL7309282A (en) 1974-01-07
BE801780A (en) 1974-01-02
DE2333870A1 (en) 1974-01-17
FR2191826A5 (en) 1974-02-01
IE37872L (en) 1974-01-03
US3875340A (en) 1975-04-01
IE37872B1 (en) 1977-11-09

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