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GB2106753B - Circuit arrangement for telephone networks - Google Patents

Circuit arrangement for telephone networks

Info

Publication number
GB2106753B
GB2106753B GB08225566A GB8225566A GB2106753B GB 2106753 B GB2106753 B GB 2106753B GB 08225566 A GB08225566 A GB 08225566A GB 8225566 A GB8225566 A GB 8225566A GB 2106753 B GB2106753 B GB 2106753B
Authority
GB
United Kingdom
Prior art keywords
circuit arrangement
telephone networks
telephone
networks
arrangement
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB08225566A
Other versions
GB2106753A (en
Inventor
Kalman Szechenyi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB2106753A publication Critical patent/GB2106753A/en
Application granted granted Critical
Publication of GB2106753B publication Critical patent/GB2106753B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H04M1/76—Compensating for differences in line impedance

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephonic Communication Services (AREA)
GB08225566A 1981-09-09 1982-09-08 Circuit arrangement for telephone networks Expired GB2106753B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813135659 DE3135659A1 (en) 1981-09-09 1981-09-09 CIRCUIT ARRANGEMENT FOR TELEPHONE NETWORKS

Publications (2)

Publication Number Publication Date
GB2106753A GB2106753A (en) 1983-04-13
GB2106753B true GB2106753B (en) 1985-07-31

Family

ID=6141191

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08225566A Expired GB2106753B (en) 1981-09-09 1982-09-08 Circuit arrangement for telephone networks

Country Status (3)

Country Link
CH (1) CH657951A5 (en)
DE (1) DE3135659A1 (en)
GB (1) GB2106753B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2739778A1 (en) * 1976-09-07 1978-03-16 Int Standard Electric Corp Amplitude control in digitally controlled private telephone exchange - employs peak level threshold detector signalling when level exceeded

Also Published As

Publication number Publication date
DE3135659A1 (en) 1983-03-31
CH657951A5 (en) 1986-09-30
GB2106753A (en) 1983-04-13

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee