DK656887A - Kredsloeb til automatisk volumenkontrol - Google Patents

Kredsloeb til automatisk volumenkontrol

Info

Publication number
DK656887A
DK656887A DK656887A DK656887A DK656887A DK 656887 A DK656887 A DK 656887A DK 656887 A DK656887 A DK 656887A DK 656887 A DK656887 A DK 656887A DK 656887 A DK656887 A DK 656887A
Authority
DK
Denmark
Prior art keywords
circuit
volume control
automatic volume
current
control circuit
Prior art date
Application number
DK656887A
Other languages
English (en)
Other versions
DK656887D0 (da
Inventor
Elve Desiderius Jozef Moons
Original Assignee
Alcatel Nv
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 BE2/61113A external-priority patent/BE905924R/nl
Application filed by Alcatel Nv filed Critical Alcatel Nv
Publication of DK656887D0 publication Critical patent/DK656887D0/da
Publication of DK656887A publication Critical patent/DK656887A/da

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
    • 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)
  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Selective Calling Equipment (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Telephonic Communication Services (AREA)
DK656887A 1986-12-16 1987-12-15 Kredsloeb til automatisk volumenkontrol DK656887A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE2/61113A BE905924R (nl) 1986-12-16 1986-12-16 Telecommunicatie-inrichting en daarin gebruikte ketens.

Publications (2)

Publication Number Publication Date
DK656887D0 DK656887D0 (da) 1987-12-15
DK656887A true DK656887A (da) 1988-06-17

Family

ID=3865844

Family Applications (1)

Application Number Title Priority Date Filing Date
DK656887A DK656887A (da) 1986-12-16 1987-12-15 Kredsloeb til automatisk volumenkontrol

Country Status (5)

Country Link
EP (1) EP0271947B1 (da)
AT (1) ATE92227T1 (da)
DE (1) DE3786764T2 (da)
DK (1) DK656887A (da)
ES (1) ES2048156T3 (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4124585A1 (de) * 1991-07-24 1993-01-28 Siemens Ag Steuerbare schaltungsanordnung
US5995619A (en) * 1996-12-31 1999-11-30 U.S. Philips Corporation Telephony device with compensation for line losses

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7205691A (da) * 1972-04-27 1973-05-25
US4301445A (en) * 1979-12-10 1981-11-17 General Electric Company Communication system and method having wide dynamic range digital gain control
GB2126046A (en) * 1982-08-25 1984-03-14 Philips Electronic Associated Telephone circuit
NL8203979A (nl) * 1982-10-15 1984-05-01 Philips Nv Inrichting voor het verzwakken van een analoog signaal.
GB2160038A (en) * 1984-05-30 1985-12-11 Stc Plc Gain control in integrated circuits

Also Published As

Publication number Publication date
DK656887D0 (da) 1987-12-15
EP0271947A2 (en) 1988-06-22
ATE92227T1 (de) 1993-08-15
DE3786764T2 (de) 1994-01-13
ES2048156T3 (es) 1994-03-16
EP0271947A3 (en) 1989-08-30
EP0271947B1 (en) 1993-07-28
DE3786764D1 (de) 1993-09-02

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment