IT967366B - CONVERTER CIRCUIT FOR SWITCHING FROM TWO TO FOUR WIRES IN THE CONNECTION OF A TWO WIRE USER DEVICE WITH SIMPLE CURRENT WITH SEMIDUPLE SERVICE TO A TELEGRAPHIC CONTROL UNIT - Google Patents

CONVERTER CIRCUIT FOR SWITCHING FROM TWO TO FOUR WIRES IN THE CONNECTION OF A TWO WIRE USER DEVICE WITH SIMPLE CURRENT WITH SEMIDUPLE SERVICE TO A TELEGRAPHIC CONTROL UNIT

Info

Publication number
IT967366B
IT967366B IT2907572A IT2907572A IT967366B IT 967366 B IT967366 B IT 967366B IT 2907572 A IT2907572 A IT 2907572A IT 2907572 A IT2907572 A IT 2907572A IT 967366 B IT967366 B IT 967366B
Authority
IT
Italy
Prior art keywords
semiduple
telegraphic
wires
switching
service
Prior art date
Application number
IT2907572A
Other languages
Italian (it)
Original Assignee
Siemens Ag
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 Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT967366B publication Critical patent/IT967366B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/16—Half-duplex systems; Simplex/duplex switching; Transmission of break signals non-automatically inverting the direction of transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
IT2907572A 1971-09-13 1972-09-12 CONVERTER CIRCUIT FOR SWITCHING FROM TWO TO FOUR WIRES IN THE CONNECTION OF A TWO WIRE USER DEVICE WITH SIMPLE CURRENT WITH SEMIDUPLE SERVICE TO A TELEGRAPHIC CONTROL UNIT IT967366B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712145702 DE2145702C3 (en) 1971-09-13 1971-09-13 Circuit arrangement for converting telegraph characters between a single power line and a double power line in teleprinter systems

Publications (1)

Publication Number Publication Date
IT967366B true IT967366B (en) 1974-02-28

Family

ID=5819411

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2907572A IT967366B (en) 1971-09-13 1972-09-12 CONVERTER CIRCUIT FOR SWITCHING FROM TWO TO FOUR WIRES IN THE CONNECTION OF A TWO WIRE USER DEVICE WITH SIMPLE CURRENT WITH SEMIDUPLE SERVICE TO A TELEGRAPHIC CONTROL UNIT

Country Status (10)

Country Link
AT (1) AT323817B (en)
BE (1) BE788764A (en)
CH (1) CH545563A (en)
DE (1) DE2145702C3 (en)
FR (1) FR2152599B1 (en)
GB (1) GB1383037A (en)
IT (1) IT967366B (en)
LU (1) LU66048A1 (en)
NL (1) NL7212257A (en)
SE (1) SE377515B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4288869A (en) * 1980-01-23 1981-09-08 International Business Machines Corp. Half-duplex/simplex digital signal converter
EP0391947A1 (en) * 1988-10-10 1990-10-17 Robert Bosch Gmbh An interface for use between two communication units

Also Published As

Publication number Publication date
SE377515B (en) 1975-07-07
BE788764A (en) 1973-03-13
FR2152599A1 (en) 1973-04-27
DE2145702B2 (en) 1973-12-06
GB1383037A (en) 1975-02-05
LU66048A1 (en) 1973-03-12
CH545563A (en) 1974-01-31
AT323817B (en) 1975-07-25
NL7212257A (en) 1973-03-15
FR2152599B1 (en) 1978-06-02
DE2145702C3 (en) 1974-06-27
DE2145702A1 (en) 1973-03-22

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