HK26577A - Telephone system with ringing-path detector - Google Patents

Telephone system with ringing-path detector

Info

Publication number
HK26577A
HK26577A HK265/77A HK26577A HK26577A HK 26577 A HK26577 A HK 26577A HK 265/77 A HK265/77 A HK 265/77A HK 26577 A HK26577 A HK 26577A HK 26577 A HK26577 A HK 26577A
Authority
HK
Hong Kong
Prior art keywords
ringing
telephone system
path detector
detector
path
Prior art date
Application number
HK265/77A
Inventor
B Grundy
P Svach
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 HK26577A publication Critical patent/HK26577A/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)
HK265/77A 1973-05-18 1977-06-02 Telephone system with ringing-path detector HK26577A (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
HK26577A true HK26577A (en) 1977-06-10

Family

ID=10201010

Family Applications (1)

Application Number Title Priority Date Filing Date
HK265/77A HK26577A (en) 1973-05-18 1977-06-02 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
HUP0400740A2 (en) 2001-01-12 2004-07-28 Valinge Aluminium Ab Floorboard and locking system
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
AU6916074A (en) 1975-11-20
GB1430429A (en) 1976-03-31
ZA742577B (en) 1975-04-30

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