BE827409A - MULTI-FREQUENCY SIGNAL RECEIVER - Google Patents

MULTI-FREQUENCY SIGNAL RECEIVER

Info

Publication number
BE827409A
BE827409A BE1006560A BE1006560A BE827409A BE 827409 A BE827409 A BE 827409A BE 1006560 A BE1006560 A BE 1006560A BE 1006560 A BE1006560 A BE 1006560A BE 827409 A BE827409 A BE 827409A
Authority
BE
Belgium
Prior art keywords
frequency signal
signal receiver
receiver
frequency
signal
Prior art date
Application number
BE1006560A
Other languages
French (fr)
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 filed Critical
Publication of BE827409A publication Critical patent/BE827409A/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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
BE1006560A 1974-04-24 1975-04-01 MULTI-FREQUENCY SIGNAL RECEIVER BE827409A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7414300A FR2269261B1 (en) 1974-04-24 1974-04-24

Publications (1)

Publication Number Publication Date
BE827409A true BE827409A (en) 1975-10-01

Family

ID=9138073

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1006560A BE827409A (en) 1974-04-24 1975-04-01 MULTI-FREQUENCY SIGNAL RECEIVER

Country Status (9)

Country Link
BE (1) BE827409A (en)
CH (1) CH592994A5 (en)
DE (1) DE2517807A1 (en)
FR (1) FR2269261B1 (en)
GB (1) GB1501706A (en)
IE (1) IE41016B1 (en)
IT (1) IT1037582B (en)
NL (1) NL7504828A (en)
SE (1) SE7504573L (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2370386A1 (en) * 1976-11-05 1978-06-02 Constr Telephoniques MIXER FOR MULTIFREQUENCY SIGNAL RECEIVER
FR2485843B1 (en) * 1980-06-25 1986-11-07 Cit Alcatel DIGITAL FREQUENCY RECEIVER

Also Published As

Publication number Publication date
FR2269261B1 (en) 1976-12-17
GB1501706A (en) 1978-02-22
SE7504573L (en) 1975-10-27
IE41016B1 (en) 1979-09-26
DE2517807A1 (en) 1975-11-06
IT1037582B (en) 1979-11-20
NL7504828A (en) 1975-10-28
CH592994A5 (en) 1977-11-15
FR2269261A1 (en) 1975-11-21
IE41016L (en) 1975-10-24

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