ZA712398B - D.c.signal bilateral transmission system - Google Patents

D.c.signal bilateral transmission system

Info

Publication number
ZA712398B
ZA712398B ZA712398A ZA712398A ZA712398B ZA 712398 B ZA712398 B ZA 712398B ZA 712398 A ZA712398 A ZA 712398A ZA 712398 A ZA712398 A ZA 712398A ZA 712398 B ZA712398 B ZA 712398B
Authority
ZA
South Africa
Prior art keywords
transmission system
bilateral transmission
signal
signal bilateral
transmission
Prior art date
Application number
ZA712398A
Other languages
English (en)
Inventor
M Bohner
R Lecoanet
Original Assignee
Standard Telephones Cables Ltd
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 Standard Telephones Cables Ltd filed Critical Standard Telephones Cables Ltd
Publication of ZA712398B publication Critical patent/ZA712398B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
ZA712398A 1970-04-21 1971-04-15 D.c.signal bilateral transmission system ZA712398B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7014361A FR2088667A5 (enExample) 1970-04-21 1970-04-21

Publications (1)

Publication Number Publication Date
ZA712398B true ZA712398B (en) 1971-12-29

Family

ID=9054307

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA712398A ZA712398B (en) 1970-04-21 1971-04-15 D.c.signal bilateral transmission system

Country Status (4)

Country Link
ES (1) ES390370A1 (enExample)
FR (1) FR2088667A5 (enExample)
GB (1) GB1302153A (enExample)
ZA (1) ZA712398B (enExample)

Also Published As

Publication number Publication date
ES390370A1 (es) 1973-06-01
GB1302153A (enExample) 1973-01-04
FR2088667A5 (enExample) 1972-01-07

Similar Documents

Publication Publication Date Title
CA957088A (en) Data block transmission system
GB1438811A (en) Transmission system
ZA715314B (en) Transmission
JPS5635549A (en) Data transmission system
GB1440996A (en) Transmission system
ZA726005B (en) Transmission systems
AU461110B2 (en) Data block transmission system
ZA704460B (en) Transmission systems
JPS5134556B2 (en) Code-responsive control receiving system
ZA725084B (en) Signal transmission system
CA938814A (en) Transmission systems
ZA71466B (en) Vehicle transmission control systems
CA934826A (en) Data transmission systems
ZA712398B (en) D.c.signal bilateral transmission system
CA957790A (en) Data transmission system
CA853364A (en) Data transmission system
CA836177A (en) Data transmission system
CA831670A (en) Data transmission system
AU455857B2 (en) Data transmission system
CA850822A (en) Digital transmission system
CA849159A (en) Signal transmitting system
CA833691A (en) Long transit time transmission system
CA841313A (en) Transmission control system
CA838951A (en) Transmission control system
CA836102A (en) Redundant signal transmission system