IT978218B - CIRCUITAL ARRANGEMENT FOR VITOR RECEIVERS OF MULTIPLE FREQUENCIES WITH REGULATED GAIN IN TELECOMMUNICATION SYSTEMS SPECIES IN TELEPHONE SYSTEMS - Google Patents

CIRCUITAL ARRANGEMENT FOR VITOR RECEIVERS OF MULTIPLE FREQUENCIES WITH REGULATED GAIN IN TELECOMMUNICATION SYSTEMS SPECIES IN TELEPHONE SYSTEMS

Info

Publication number
IT978218B
IT978218B IT1928773A IT1928773A IT978218B IT 978218 B IT978218 B IT 978218B IT 1928773 A IT1928773 A IT 1928773A IT 1928773 A IT1928773 A IT 1928773A IT 978218 B IT978218 B IT 978218B
Authority
IT
Italy
Prior art keywords
vitor
receivers
systems
species
multiple frequencies
Prior art date
Application number
IT1928773A
Other languages
Italian (it)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT978218B publication Critical patent/IT978218B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/453—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling in which m-out-of-n signalling frequencies are transmitted

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Noise Elimination (AREA)
IT1928773A 1972-01-18 1973-01-17 CIRCUITAL ARRANGEMENT FOR VITOR RECEIVERS OF MULTIPLE FREQUENCIES WITH REGULATED GAIN IN TELECOMMUNICATION SYSTEMS SPECIES IN TELEPHONE SYSTEMS IT978218B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722202229 DE2202229B2 (en) 1972-01-18 1972-01-18 CIRCUIT ARRANGEMENT FOR REGULATED MULTI-FREQUENCY RECEIVERS IN REMOTE COMMUNICATION, IN PARTICULAR TELEPHONE SYSTEMS

Publications (1)

Publication Number Publication Date
IT978218B true IT978218B (en) 1974-09-20

Family

ID=5833314

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1928773A IT978218B (en) 1972-01-18 1973-01-17 CIRCUITAL ARRANGEMENT FOR VITOR RECEIVERS OF MULTIPLE FREQUENCIES WITH REGULATED GAIN IN TELECOMMUNICATION SYSTEMS SPECIES IN TELEPHONE SYSTEMS

Country Status (2)

Country Link
DE (1) DE2202229B2 (en)
IT (1) IT978218B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4460808A (en) * 1982-08-23 1984-07-17 At&T Bell Laboratories Adaptive signal receiving method and apparatus

Also Published As

Publication number Publication date
DE2202229C2 (en) 1975-07-03
DE2202229A1 (en) 1972-09-21
DE2202229B2 (en) 1972-09-21

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