SE400438B - Moduleringsanordning - Google Patents

Moduleringsanordning

Info

Publication number
SE400438B
SE400438B SE7410411A SE7410411A SE400438B SE 400438 B SE400438 B SE 400438B SE 7410411 A SE7410411 A SE 7410411A SE 7410411 A SE7410411 A SE 7410411A SE 400438 B SE400438 B SE 400438B
Authority
SE
Sweden
Prior art keywords
modulation device
modulation
Prior art date
Application number
SE7410411A
Other languages
English (en)
Swedish (sv)
Other versions
SE7410411L (xx
Inventor
C Boulanger
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
Priority claimed from FR7329880A external-priority patent/FR2241170A1/fr
Priority claimed from FR7420360A external-priority patent/FR2275079A2/fr
Application filed by Cit Alcatel filed Critical Cit Alcatel
Publication of SE7410411L publication Critical patent/SE7410411L/xx
Publication of SE400438B publication Critical patent/SE400438B/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/02Details
    • H04J1/14Arrangements providing for calling or supervisory signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/02Details
    • H04J1/04Frequency-transposition arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Telephonic Communication Services (AREA)
  • Time-Division Multiplex Systems (AREA)
SE7410411A 1973-08-16 1974-08-15 Moduleringsanordning SE400438B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7329880A FR2241170A1 (en) 1973-08-16 1973-08-16 Multiplexing telephonic channels - enables the construction of a frequency multiplex group of 12 channels
FR7420360A FR2275079A2 (fr) 1974-06-12 1974-06-12 Multiplexeur pour voies telephoniques

Publications (2)

Publication Number Publication Date
SE7410411L SE7410411L (xx) 1975-02-17
SE400438B true SE400438B (sv) 1978-03-20

Family

ID=26217896

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7410411A SE400438B (sv) 1973-08-16 1974-08-15 Moduleringsanordning

Country Status (10)

Country Link
US (1) US3969585A (xx)
JP (1) JPS5051210A (xx)
BE (1) BE818484A (xx)
DE (1) DE2439135A1 (xx)
DK (1) DK423074A (xx)
FI (1) FI60474C (xx)
GB (1) GB1468444A (xx)
IT (1) IT1019772B (xx)
NL (1) NL7410957A (xx)
SE (1) SE400438B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4145575A (en) * 1976-10-21 1979-03-20 Nippon Electric Co., Ltd. Frequency-division multiplexed signal transmission system
US4308614A (en) * 1978-10-26 1981-12-29 Fisher Charles B Noise-reduction sampling system
JPS5824060B2 (ja) * 1979-06-08 1983-05-19 日本電信電話株式会社 音声帯域多重伝送方式
FR2530394B1 (fr) * 1982-07-13 1986-05-16 Thomson Csf Dispositif de multiplexage et de demultiplexage de voies video
JPS62154920A (ja) * 1985-12-27 1987-07-09 Toshiba Corp 無線送信装置
US5005169A (en) * 1989-11-16 1991-04-02 Westinghouse Electric Corp. Frequency division multiplex guardband communication system for sending information over the guardbands

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1274663C2 (de) * 1965-05-24 1980-09-18 Siemens Ag Aufbau der grundprimaergruppe eines einseitenband-traegerfrequenzsystems ueber eine vormodulationsstufe

Also Published As

Publication number Publication date
JPS5051210A (xx) 1975-05-08
DE2439135A1 (de) 1975-02-27
US3969585A (en) 1976-07-13
GB1468444A (en) 1977-03-23
FI241974A (xx) 1975-02-17
BE818484A (fr) 1975-02-05
SE7410411L (xx) 1975-02-17
FI60474B (fi) 1981-09-30
NL7410957A (nl) 1975-02-18
FI60474C (fi) 1982-01-11
DK423074A (xx) 1975-04-28
IT1019772B (it) 1977-11-30

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