DK412176A - Koblingsarrangement for en selektiv signalmodtager specielt til telefonanleg - Google Patents

Koblingsarrangement for en selektiv signalmodtager specielt til telefonanleg

Info

Publication number
DK412176A
DK412176A DK412176A DK412176A DK412176A DK 412176 A DK412176 A DK 412176A DK 412176 A DK412176 A DK 412176A DK 412176 A DK412176 A DK 412176A DK 412176 A DK412176 A DK 412176A
Authority
DK
Denmark
Prior art keywords
signal receiver
connection arrangement
telephone systems
selective signal
receiver specifically
Prior art date
Application number
DK412176A
Other languages
English (en)
Inventor
H Ball
W Ohl
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of DK412176A publication Critical patent/DK412176A/da

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
    • H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Manipulation Of Pulses (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Radar Systems Or Details Thereof (AREA)
DK412176A 1975-09-13 1976-09-13 Koblingsarrangement for en selektiv signalmodtager specielt til telefonanleg DK412176A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2540859A DE2540859C2 (de) 1975-09-13 1975-09-13 Schaltungsanordnung für einen selektiven Zeichenempfänger, insbesondere für Fernsprechanlagen

Publications (1)

Publication Number Publication Date
DK412176A true DK412176A (da) 1977-03-14

Family

ID=5956376

Family Applications (1)

Application Number Title Priority Date Filing Date
DK412176A DK412176A (da) 1975-09-13 1976-09-13 Koblingsarrangement for en selektiv signalmodtager specielt til telefonanleg

Country Status (11)

Country Link
AT (1) AT353852B (da)
BE (1) BE846033R (da)
CH (1) CH625925A5 (da)
DE (1) DE2540859C2 (da)
DK (1) DK412176A (da)
ES (1) ES451494A1 (da)
FR (1) FR2324182A1 (da)
GB (1) GB1529758A (da)
NL (1) NL7609996A (da)
NO (1) NO763089L (da)
SE (1) SE7610009L (da)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2334426A1 (de) * 1973-07-06 1975-01-23 Telefonbau & Normalzeit Gmbh Auswerter fuer sprachgeschuetzte frequenzselektive zeichenempfaenger nach dem mehrfrequenzverfahren
DE2341224C3 (de) * 1973-08-16 1982-01-07 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren zur Frequenzerkennung in selektiven Zeichenempfängern für Fernmelde-, insbesondere Fernsprechanlagen
DE2341225B2 (de) * 1973-08-16 1976-10-28 Standard Elektrik Lorenz Ag, 7000 Stuttgart Selektiver zeichenempfaenger fuer fernmelde-, insbesondere fernsprechanlagen

Also Published As

Publication number Publication date
FR2324182A1 (fr) 1977-04-08
NL7609996A (nl) 1977-03-15
DE2540859A1 (de) 1977-03-17
GB1529758A (en) 1978-10-25
BE846033R (nl) 1977-03-10
ATA675776A (de) 1979-05-15
DE2540859C2 (de) 1984-01-12
AT353852B (de) 1979-12-10
NO763089L (da) 1977-03-15
ES451494A1 (es) 1977-10-01
CH625925A5 (en) 1981-10-15
SE7610009L (sv) 1977-03-14

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