SG49383G - Improvements in or relating to electronic detection circuits - Google Patents

Improvements in or relating to electronic detection circuits

Info

Publication number
SG49383G
SG49383G SG493/83A SG49383A SG49383G SG 49383 G SG49383 G SG 49383G SG 493/83 A SG493/83 A SG 493/83A SG 49383 A SG49383 A SG 49383A SG 49383 G SG49383 G SG 49383G
Authority
SG
Singapore
Prior art keywords
relating
detection circuits
electronic detection
electronic
circuits
Prior art date
Application number
SG493/83A
Other languages
English (en)
Original Assignee
Plessey Co Plc
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 Plessey Co Plc filed Critical Plessey Co Plc
Publication of SG49383G publication Critical patent/SG49383G/en

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)
SG493/83A 1977-10-26 1983-08-10 Improvements in or relating to electronic detection circuits SG49383G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB44492/77A GB1600254A (en) 1977-10-26 1977-10-26 Electronic detection circuits

Publications (1)

Publication Number Publication Date
SG49383G true SG49383G (en) 1985-03-08

Family

ID=10433570

Family Applications (1)

Application Number Title Priority Date Filing Date
SG493/83A SG49383G (en) 1977-10-26 1983-08-10 Improvements in or relating to electronic detection circuits

Country Status (9)

Country Link
BR (1) BR7807016A (pt)
GB (1) GB1600254A (pt)
HK (1) HK32083A (pt)
KE (1) KE3276A (pt)
MY (1) MY8400348A (pt)
NZ (1) NZ188397A (pt)
PT (1) PT68643A (pt)
SG (1) SG49383G (pt)
ZA (1) ZA785039B (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU193107B (en) * 1985-03-29 1987-08-28 Bhg Hiradastech Vallalat Circuit arrangement for making circuit of main route, in particular to digital sub-exchanges

Also Published As

Publication number Publication date
BR7807016A (pt) 1979-07-17
ZA785039B (en) 1979-08-29
PT68643A (en) 1978-11-01
NZ188397A (en) 1982-03-23
KE3276A (en) 1983-05-13
GB1600254A (en) 1981-10-14
HK32083A (en) 1983-09-02
MY8400348A (en) 1984-12-31

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