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GB2115650B - Telephone subscriber's instrument circuit - Google Patents

Telephone subscriber's instrument circuit

Info

Publication number
GB2115650B
GB2115650B GB08208862A GB8208862A GB2115650B GB 2115650 B GB2115650 B GB 2115650B GB 08208862 A GB08208862 A GB 08208862A GB 8208862 A GB8208862 A GB 8208862A GB 2115650 B GB2115650 B GB 2115650B
Authority
GB
United Kingdom
Prior art keywords
telephone subscriber
instrument circuit
instrument
circuit
subscriber
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
GB08208862A
Other versions
GB2115650A (en
Inventor
Peter Fred Blomley
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.)
STC PLC
Original Assignee
Standard Telephone and Cables 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
Priority claimed from GB7843602A external-priority patent/GB2034555B/en
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB08208862A priority Critical patent/GB2115650B/en
Publication of GB2115650A publication Critical patent/GB2115650A/en
Application granted granted Critical
Publication of GB2115650B publication Critical patent/GB2115650B/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
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6025—Substation equipment, e.g. for use by subscribers including speech amplifiers implemented as integrated speech networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
GB08208862A 1978-11-08 1982-03-25 Telephone subscriber's instrument circuit Expired GB2115650B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08208862A GB2115650B (en) 1978-11-08 1982-03-25 Telephone subscriber's instrument circuit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7843602A GB2034555B (en) 1978-11-08 1978-11-08 Bridge amplifier
GB08208862A GB2115650B (en) 1978-11-08 1982-03-25 Telephone subscriber's instrument circuit

Publications (2)

Publication Number Publication Date
GB2115650A GB2115650A (en) 1983-09-07
GB2115650B true GB2115650B (en) 1984-02-22

Family

ID=26269495

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08208862A Expired GB2115650B (en) 1978-11-08 1982-03-25 Telephone subscriber's instrument circuit

Country Status (1)

Country Link
GB (1) GB2115650B (en)

Also Published As

Publication number Publication date
GB2115650A (en) 1983-09-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921108