GB1450350A - Multiplex communication system - Google Patents

Multiplex communication system

Info

Publication number
GB1450350A
GB1450350A GB4763674A GB4763674A GB1450350A GB 1450350 A GB1450350 A GB 1450350A GB 4763674 A GB4763674 A GB 4763674A GB 4763674 A GB4763674 A GB 4763674A GB 1450350 A GB1450350 A GB 1450350A
Authority
GB
United Kingdom
Prior art keywords
signal
carrier
fed
quadrature
mixed
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
GB4763674A
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.)
Raytheon Co
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Publication of GB1450350A publication Critical patent/GB1450350A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/12—Arrangements providing for calling or supervisory signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/08—Intermediate station arrangements, e.g. for branching, for tapping-off
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J9/00—Multiplex systems in which each channel is represented by a different type of modulation of the carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB4763674A 1973-12-03 1974-11-04 Multiplex communication system Expired GB1450350A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/421,013 US3939407A (en) 1973-12-03 1973-12-03 Plural channel communications system

Publications (1)

Publication Number Publication Date
GB1450350A true GB1450350A (en) 1976-09-22

Family

ID=23668827

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4763674A Expired GB1450350A (en) 1973-12-03 1974-11-04 Multiplex communication system

Country Status (6)

Country Link
US (1) US3939407A (enExample)
JP (1) JPS5087518A (enExample)
CA (1) CA1026878A (enExample)
DE (1) DE2457131C3 (enExample)
GB (1) GB1450350A (enExample)
IT (1) IT1023232B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS587946A (ja) * 1981-07-07 1983-01-17 Nec Corp 時分割多方向多重通信網における打合せ電話信号伝送方式
CA1275515C (en) * 1986-05-19 1990-10-23 Hideaki Itoh System for transmitting auxiliary signal in a multiplex communication system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3160812A (en) * 1961-11-09 1964-12-08 Scantlin Electronics Inc Composite transmission system utilizing phase shift and amplitude modulation
US3427543A (en) * 1964-05-29 1969-02-11 Tokyo Shibaura Electric Co Television fm sound broadcasting with high frequency deviation in st link
JPS5237183B2 (enExample) * 1971-09-13 1977-09-20
US3773979A (en) * 1972-03-30 1973-11-20 Digital Com Inc Multiplexed video and subcarrier microwave communications system

Also Published As

Publication number Publication date
DE2457131B2 (de) 1980-03-27
DE2457131C3 (de) 1980-11-13
CA1026878A (en) 1978-02-21
US3939407A (en) 1976-02-17
IT1023232B (it) 1978-05-10
JPS5087518A (enExample) 1975-07-14
DE2457131A1 (de) 1975-06-12

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Legal Events

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