SE7800867L - DEVICE FOR IDENTIFYING A COMPONENT IN AN ELECTRICAL SIGNAL - Google Patents

DEVICE FOR IDENTIFYING A COMPONENT IN AN ELECTRICAL SIGNAL

Info

Publication number
SE7800867L
SE7800867L SE7800867A SE7800867A SE7800867L SE 7800867 L SE7800867 L SE 7800867L SE 7800867 A SE7800867 A SE 7800867A SE 7800867 A SE7800867 A SE 7800867A SE 7800867 L SE7800867 L SE 7800867L
Authority
SE
Sweden
Prior art keywords
identifying
component
electrical signal
electrical
signal
Prior art date
Application number
SE7800867A
Other languages
Swedish (sv)
Inventor
C Gimenes
J Dobeck
Original Assignee
Thomson Csf
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 Thomson Csf filed Critical Thomson Csf
Publication of SE7800867L publication Critical patent/SE7800867L/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)
  • Telephonic Communication Services (AREA)
  • Dc Digital Transmission (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
SE7800867A 1977-01-28 1978-01-24 DEVICE FOR IDENTIFYING A COMPONENT IN AN ELECTRICAL SIGNAL SE7800867L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7702453A FR2379218A1 (en) 1977-01-28 1977-01-28 DEVICE FOR IDENTIFYING A COMPONENT IN AN ELECTRIC SIGNAL AND TELEPHONE NUMBERING RECEIVER USING SUCH A DEVICE

Publications (1)

Publication Number Publication Date
SE7800867L true SE7800867L (en) 1978-07-29

Family

ID=9186031

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7800867A SE7800867L (en) 1977-01-28 1978-01-24 DEVICE FOR IDENTIFYING A COMPONENT IN AN ELECTRICAL SIGNAL

Country Status (7)

Country Link
BE (1) BE863348A (en)
DE (1) DE2803641A1 (en)
FR (1) FR2379218A1 (en)
GB (1) GB1562168A (en)
IT (1) IT1102025B (en)
NL (1) NL7800883A (en)
SE (1) SE7800867L (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3025937C2 (en) * 1979-07-10 1986-09-25 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Device for displaying frequency spectra of input signals
CH655819A5 (en) * 1981-11-26 1986-05-15 Autophon Ag EVALUATOR FOR DETECTING A SIGNAL OF A SPECIFIC FREQUENCY.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215934A (en) * 1960-10-21 1965-11-02 Sylvania Electric Prod System for quantizing intelligence according to ratio of outputs of adjacent band-pass filters
DE2361925A1 (en) * 1973-12-13 1975-06-26 Licentia Gmbh Automatic frequency selection circuit - has several resonant circuits corresponding to number of frequencies

Also Published As

Publication number Publication date
FR2379218B1 (en) 1982-02-12
NL7800883A (en) 1978-08-01
FR2379218A1 (en) 1978-08-25
DE2803641A1 (en) 1978-08-24
IT1102025B (en) 1985-10-07
IT7847825A0 (en) 1978-01-27
BE863348A (en) 1978-05-16
GB1562168A (en) 1980-03-05

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