BR7807016A - ELECTRONIC DETECTION CIRCUIT - Google Patents

ELECTRONIC DETECTION CIRCUIT

Info

Publication number
BR7807016A
BR7807016A BR7807016A BR7807016A BR7807016A BR 7807016 A BR7807016 A BR 7807016A BR 7807016 A BR7807016 A BR 7807016A BR 7807016 A BR7807016 A BR 7807016A BR 7807016 A BR7807016 A BR 7807016A
Authority
BR
Brazil
Prior art keywords
detection circuit
electronic detection
electronic
circuit
detection
Prior art date
Application number
BR7807016A
Other languages
Portuguese (pt)
Inventor
K Griffiths
Original Assignee
Plessey Co 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Publication of BR7807016A publication Critical patent/BR7807016A/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)
BR7807016A 1977-10-26 1978-10-24 ELECTRONIC DETECTION CIRCUIT BR7807016A (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
BR7807016A true BR7807016A (en) 1979-07-17

Family

ID=10433570

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7807016A BR7807016A (en) 1977-10-26 1978-10-24 ELECTRONIC DETECTION CIRCUIT

Country Status (9)

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

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
ZA785039B (en) 1979-08-29
PT68643A (en) 1978-11-01
NZ188397A (en) 1982-03-23
SG49383G (en) 1985-03-08
KE3276A (en) 1983-05-13
GB1600254A (en) 1981-10-14
HK32083A (en) 1983-09-02
MY8400348A (en) 1984-12-31

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