CA1003133A - Time sharing subscriber communications system - Google Patents

Time sharing subscriber communications system

Info

Publication number
CA1003133A
CA1003133A CA164,978A CA164978A CA1003133A CA 1003133 A CA1003133 A CA 1003133A CA 164978 A CA164978 A CA 164978A CA 1003133 A CA1003133 A CA 1003133A
Authority
CA
Canada
Prior art keywords
communications system
time sharing
subscriber communications
sharing subscriber
time
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
CA164,978A
Other languages
English (en)
Other versions
CA164978S (en
Inventor
Donald W. Moses
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of CA1003133A publication Critical patent/CA1003133A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/36—Repeater circuits
    • H04B3/38—Repeater circuits for signals in two different frequency ranges transmitted in opposite directions over the same transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • 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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Time-Division Multiplex Systems (AREA)
CA164,978A 1972-03-06 1973-03-01 Time sharing subscriber communications system Expired CA1003133A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23209672A 1972-03-06 1972-03-06

Publications (1)

Publication Number Publication Date
CA1003133A true CA1003133A (en) 1977-01-04

Family

ID=22871860

Family Applications (1)

Application Number Title Priority Date Filing Date
CA164,978A Expired CA1003133A (en) 1972-03-06 1973-03-01 Time sharing subscriber communications system

Country Status (5)

Country Link
JP (1) JPS5333204B2 (cs)
CA (1) CA1003133A (cs)
FR (1) FR2175005B2 (cs)
IT (1) IT1046763B (cs)
ZA (1) ZA731512B (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2606047A1 (de) * 1975-02-26 1976-09-09 Hasler Ag Verfahren zum nachrichtenaustausch in eisenbahnzuegen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3060269A (en) * 1959-10-14 1962-10-23 Itt Carrier signalling system
US3647976A (en) * 1970-03-09 1972-03-07 Minnesota Mining & Mfg Time-sharing subscriber communications system

Also Published As

Publication number Publication date
ZA731512B (en) 1974-05-29
IT1046763B (it) 1980-07-31
FR2175005B2 (cs) 1976-11-05
FR2175005A2 (cs) 1973-10-19
JPS5333204B2 (cs) 1978-09-13
JPS4948214A (cs) 1974-05-10

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Legal Events

Date Code Title Description
MKEX Expiry

Effective date: 19940104