CH512163A - Dispositivo di segnalazione per lo scambio bidirezionale di informazioni su due o più fili - Google Patents

Dispositivo di segnalazione per lo scambio bidirezionale di informazioni su due o più fili

Info

Publication number
CH512163A
CH512163A CH1337969A CH1337969A CH512163A CH 512163 A CH512163 A CH 512163A CH 1337969 A CH1337969 A CH 1337969A CH 1337969 A CH1337969 A CH 1337969A CH 512163 A CH512163 A CH 512163A
Authority
CH
Switzerland
Prior art keywords
wires
information
signaling device
bidirectional exchange
bidirectional
Prior art date
Application number
CH1337969A
Other languages
English (en)
Inventor
Ciaccia Alberto
Marco Franco De
Original Assignee
Sits Soc It Telecom Siemens
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 Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Publication of CH512163A publication Critical patent/CH512163A/it

Links

Classifications

    • 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)
  • Interface Circuits In Exchanges (AREA)
CH1337969A 1968-10-04 1969-09-04 Dispositivo di segnalazione per lo scambio bidirezionale di informazioni su due o più fili CH512163A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2206368 1968-10-04

Publications (1)

Publication Number Publication Date
CH512163A true CH512163A (it) 1971-08-31

Family

ID=11190911

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1337969A CH512163A (it) 1968-10-04 1969-09-04 Dispositivo di segnalazione per lo scambio bidirezionale di informazioni su due o più fili

Country Status (3)

Country Link
US (1) US3619512A (it)
CH (1) CH512163A (it)
DE (1) DE1936005B2 (it)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1159251A (en) * 1965-07-29 1969-07-23 Post Office Improvements in or relating to Signalling Systems
NL6604015A (it) * 1966-03-26 1967-09-27
US3426969A (en) * 1967-05-18 1969-02-11 Texas Instruments Inc Condition controller with bistable switching

Also Published As

Publication number Publication date
DE1936005B2 (de) 1970-11-26
US3619512A (en) 1971-11-09
DE1936005A1 (de) 1970-05-06

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Legal Events

Date Code Title Description
PL Patent ceased