GB1392787A - Carrier frequency data transmission systems - Google Patents

Carrier frequency data transmission systems

Info

Publication number
GB1392787A
GB1392787A GB1171973A GB1171973A GB1392787A GB 1392787 A GB1392787 A GB 1392787A GB 1171973 A GB1171973 A GB 1171973A GB 1171973 A GB1171973 A GB 1171973A GB 1392787 A GB1392787 A GB 1392787A
Authority
GB
United Kingdom
Prior art keywords
modulators
filter
band
filters
pass
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
GB1171973A
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.)
Siemens Corp
Original Assignee
Siemens 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 Siemens Corp filed Critical Siemens Corp
Publication of GB1392787A publication Critical patent/GB1392787A/en
Expired legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB1171973A 1972-03-24 1973-03-12 Carrier frequency data transmission systems Expired GB1392787A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2214583A DE2214583C3 (de) 1972-03-24 1972-03-24 Trägerfrequentes Nachrichtenübertragungssystem

Publications (1)

Publication Number Publication Date
GB1392787A true GB1392787A (en) 1975-04-30

Family

ID=5840120

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1171973A Expired GB1392787A (en) 1972-03-24 1973-03-12 Carrier frequency data transmission systems

Country Status (15)

Country Link
US (1) US3895190A (en:Method)
JP (1) JPS539886B2 (en:Method)
AR (1) AR193929A1 (en:Method)
AT (1) AT334981B (en:Method)
AU (1) AU468388B2 (en:Method)
BE (1) BE797259A (en:Method)
BR (1) BR7302125D0 (en:Method)
CH (1) CH557118A (en:Method)
DE (1) DE2214583C3 (en:Method)
GB (1) GB1392787A (en:Method)
IL (1) IL41797A (en:Method)
IN (1) IN140988B (en:Method)
IT (1) IT981576B (en:Method)
NL (1) NL161013C (en:Method)
YU (1) YU39647B (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4258435A (en) * 1979-01-08 1981-03-24 Microwave Development Labs. Inc. Manifold multiplexers
JPS56500198A (en:Method) * 1979-01-29 1981-02-19

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124768A (en) * 1964-03-10 Resonator
US2258439A (en) * 1940-06-22 1941-10-07 Bell Telephone Labor Inc Multiplex transmission with phase discrimination
BE464402A (en:Method) * 1945-02-06
DE851076C (de) * 1951-03-11 1952-10-02 Siemens Ag Mehrfach-Traegerfrequenz-Nachrichtenuebertragungssystem
DE1271776B (de) * 1965-03-23 1968-07-04 Siemens Ag Traegerfrequenzsystem zur UEbertragung von Signalen nach dem Zweiseitenband-Verfahren mit unterdruecktem Traeger
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
AR193929A1 (es) 1973-05-31
BR7302125D0 (pt) 1974-07-11
IL41797A (en) 1975-11-25
IN140988B (en:Method) 1977-01-08
NL161013C (nl) 1979-12-17
JPS539886B2 (en:Method) 1978-04-10
DE2214583C3 (de) 1982-03-25
YU39647B (en) 1985-03-20
IT981576B (it) 1974-10-10
US3895190A (en) 1975-07-15
JPS499117A (en:Method) 1974-01-26
IL41797A0 (en) 1973-05-31
AT334981B (de) 1977-02-10
AU468388B2 (en) 1976-01-08
YU79973A (en) 1982-02-28
NL161013B (nl) 1979-07-16
NL7304134A (en:Method) 1973-09-26
BE797259A (fr) 1973-07-16
AU5335473A (en) 1974-09-19
DE2214583A1 (de) 1973-10-11
CH557118A (de) 1974-12-13
ATA222173A (de) 1976-06-15
DE2214583B2 (de) 1974-07-11

Similar Documents

Publication Publication Date Title
GB1272975A (en) Communication system with reduced fading sensitivity
GB1091688A (en) Demodulation of modulated signals
GB1392787A (en) Carrier frequency data transmission systems
AU520499B2 (en) Method of digital audio/fdm and pcm/fdm conversion
GB1091278A (en) Improvements in or relating to multi-channel single-sideband carrier-frequency communication systems
US2855462A (en) Multichannel signal system
GB1534487A (en) Microwave transmission devices
ES302470A1 (es) Un sistema de transmision multiple inalambrica.
US2284247A (en) Radio signaling system
GB595885A (en) Multichannel carrier transmission system
GB929025A (en) Improvements in or relating to signal transmission systems
GB1446897A (en) Frequency multiplex apparatus
GB1462891A (en) Digital filter
US2939917A (en) Modulating arrangements for carrier wave telephone or like systems
GB1023662A (en) Improvements in or relating to two-wire carrier multichannel communication systems
GB1268327A (en) Improvements in or relating to frequency shift signal transmitters
GB806087A (en) Multichannel signal system
GB1412010A (en) Electrical filter
GB1257179A (en:Method)
GB977689A (en) Signal delay systems
GB1112857A (en) Arrangement to receive individual channels out of a multichannel carrier frequency band
JPS52119850A (en) Parallel operation system of high frequency amplifiers
GB816113A (en) Improvements in multiplex carrier telephone systems
GB1126788A (en) Single side-band carrier systems
GB710205A (en) Improvements in or relating to carrier-wave telephone systems

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee