GB2075305B - Combined amplifier-limiter for a telephone system - Google Patents

Combined amplifier-limiter for a telephone system

Info

Publication number
GB2075305B
GB2075305B GB8014072A GB8014072A GB2075305B GB 2075305 B GB2075305 B GB 2075305B GB 8014072 A GB8014072 A GB 8014072A GB 8014072 A GB8014072 A GB 8014072A GB 2075305 B GB2075305 B GB 2075305B
Authority
GB
United Kingdom
Prior art keywords
limiter
telephone system
combined amplifier
amplifier
combined
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
GB8014072A
Other versions
GB2075305A (en
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
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB8014072A priority Critical patent/GB2075305B/en
Priority to BR8102532A priority patent/BR8102532A/en
Publication of GB2075305A publication Critical patent/GB2075305A/en
Application granted granted Critical
Publication of GB2075305B publication Critical patent/GB2075305B/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)
  • Devices For Supply Of Signal Current (AREA)
GB8014072A 1980-04-29 1980-04-29 Combined amplifier-limiter for a telephone system Expired GB2075305B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8014072A GB2075305B (en) 1980-04-29 1980-04-29 Combined amplifier-limiter for a telephone system
BR8102532A BR8102532A (en) 1980-04-29 1981-04-27 COMBINED AMPLIFIER-LIMITER CIRCUIT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8014072A GB2075305B (en) 1980-04-29 1980-04-29 Combined amplifier-limiter for a telephone system

Publications (2)

Publication Number Publication Date
GB2075305A GB2075305A (en) 1981-11-11
GB2075305B true GB2075305B (en) 1983-11-23

Family

ID=10513066

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8014072A Expired GB2075305B (en) 1980-04-29 1980-04-29 Combined amplifier-limiter for a telephone system

Country Status (2)

Country Link
BR (1) BR8102532A (en)
GB (1) GB2075305B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8103419A (en) * 1981-04-01 1982-11-01 Philips Nv LINE TEST CIRCUIT FOR A SUBSCRIBER PHONE.
IT1246719B (en) * 1990-11-15 1994-11-26 St Microelectronics Srl MONOLITHICALLY INTEGRABLE SWITCH WITH REDUCED POWER DISSIPATION, ESPECIALLY FOR TELEPHONE AND SIMILAR EQUIPMENT
FI935873A (en) * 1993-12-27 1995-06-28 Nokia Telecommunications Oy Procedure further feeds data communication signals to a telephone exchange's analog connection, as well as a connection circuit
US20120314781A1 (en) * 2011-06-10 2012-12-13 Didier Boivin Powerline Control Interface for Frequency and Amplitude Modulation Transmitter

Also Published As

Publication number Publication date
GB2075305A (en) 1981-11-11
BR8102532A (en) 1982-01-05

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Legal Events

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