ZA742577B - Telephone system with ringing path detector - Google Patents

Telephone system with ringing path detector

Info

Publication number
ZA742577B
ZA742577B ZA00742577A ZA742577A ZA742577B ZA 742577 B ZA742577 B ZA 742577B ZA 00742577 A ZA00742577 A ZA 00742577A ZA 742577 A ZA742577 A ZA 742577A ZA 742577 B ZA742577 B ZA 742577B
Authority
ZA
South Africa
Prior art keywords
telephone system
path detector
ringing path
ringing
detector
Prior art date
Application number
ZA00742577A
Inventor
B Grundy
P Svach
Original Assignee
Plessey Handel Investment 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 Plessey Handel Investment Ag filed Critical Plessey Handel Investment Ag
Publication of ZA742577B publication Critical patent/ZA742577B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
ZA00742577A 1973-05-18 1974-04-23 Telephone system with ringing path detector ZA742577B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2376873A GB1430429A (en) 1973-05-18 1973-05-18 Telephone system with ringing-path detector

Publications (1)

Publication Number Publication Date
ZA742577B true ZA742577B (en) 1975-04-30

Family

ID=10201010

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00742577A ZA742577B (en) 1973-05-18 1974-04-23 Telephone system with ringing path detector

Country Status (3)

Country Link
GB (1) GB1430429A (en)
HK (1) HK26577A (en)
ZA (1) ZA742577B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1233914C (en) 2001-01-12 2005-12-28 凡林奇铝业有限公司 Floorboards and methods for production and installation thereof
CN108414916B (en) * 2018-01-31 2020-10-27 南京航空航天大学 Buck converter multi-element health monitoring method and system

Also Published As

Publication number Publication date
GB1430429A (en) 1976-03-31
AU6916074A (en) 1975-11-20
HK26577A (en) 1977-06-10

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