BE790656A - Montage pour des recepteurs selectifs en frequence et proteges contre les signaux vocaux, de signaux caracteristiques de selection - Google Patents

Montage pour des recepteurs selectifs en frequence et proteges contre les signaux vocaux, de signaux caracteristiques de selection

Info

Publication number
BE790656A
BE790656A BE790656A BE790656A BE790656A BE 790656 A BE790656 A BE 790656A BE 790656 A BE790656 A BE 790656A BE 790656 A BE790656 A BE 790656A BE 790656 A BE790656 A BE 790656A
Authority
BE
Belgium
Prior art keywords
selective
signals
mounting
protected against
receivers
Prior art date
Application number
BE790656A
Other languages
English (en)
French (fr)
Inventor
W Fath
W Laubinger
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
Publication of BE790656A publication Critical patent/BE790656A/xx

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
    • H04Q1/46—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies comprising means for distinguishing between a signalling current of predetermined frequency and a complex current containing that frequency, e.g. speech current

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Function (AREA)
  • Telephonic Communication Services (AREA)
  • Mobile Radio Communication Systems (AREA)
BE790656A 1971-10-29 1972-10-27 Montage pour des recepteurs selectifs en frequence et proteges contre les signaux vocaux, de signaux caracteristiques de selection BE790656A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712154078 DE2154078C3 (de) 1971-10-29 1971-10-29 Schaltungsanordnung für sprachgeschützte frequenzselektive Wählkennzeichenempfänger in Fernmelde-, insbesondere Fernsprechanlagen

Publications (1)

Publication Number Publication Date
BE790656A true BE790656A (fr) 1973-04-27

Family

ID=5823799

Family Applications (1)

Application Number Title Priority Date Filing Date
BE790656A BE790656A (fr) 1971-10-29 1972-10-27 Montage pour des recepteurs selectifs en frequence et proteges contre les signaux vocaux, de signaux caracteristiques de selection

Country Status (10)

Country Link
AT (1) AT323242B (enrdf_load_stackoverflow)
BE (1) BE790656A (enrdf_load_stackoverflow)
CH (1) CH545568A (enrdf_load_stackoverflow)
DE (1) DE2154078C3 (enrdf_load_stackoverflow)
FR (1) FR2159024A5 (enrdf_load_stackoverflow)
GB (1) GB1400630A (enrdf_load_stackoverflow)
IT (1) IT969934B (enrdf_load_stackoverflow)
LU (1) LU66383A1 (enrdf_load_stackoverflow)
NL (1) NL7214616A (enrdf_load_stackoverflow)
SE (1) SE377417B (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL7214616A (enrdf_load_stackoverflow) 1973-05-02
DE2154078A1 (de) 1973-05-03
AT323242B (de) 1975-06-25
GB1400630A (en) 1975-07-16
CH545568A (enrdf_load_stackoverflow) 1974-01-31
DE2154078C3 (de) 1979-07-19
SE377417B (enrdf_load_stackoverflow) 1975-06-30
LU66383A1 (enrdf_load_stackoverflow) 1973-01-23
IT969934B (it) 1974-04-10
FR2159024A5 (enrdf_load_stackoverflow) 1973-06-15
DE2154078B2 (de) 1978-11-16

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