NO763089L - - Google Patents

Info

Publication number
NO763089L
NO763089L NO763089A NO763089A NO763089L NO 763089 L NO763089 L NO 763089L NO 763089 A NO763089 A NO 763089A NO 763089 A NO763089 A NO 763089A NO 763089 L NO763089 L NO 763089L
Authority
NO
Norway
Prior art keywords
signal
input
multivibrator
voltage input
gate
Prior art date
Application number
NO763089A
Other languages
English (en)
Norwegian (no)
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 NO763089L publication Critical patent/NO763089L/no

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)
NO763089A 1975-09-13 1976-09-09 NO763089L (de)

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
NO763089L true NO763089L (de) 1977-03-15

Family

ID=5956376

Family Applications (1)

Application Number Title Priority Date Filing Date
NO763089A NO763089L (de) 1975-09-13 1976-09-09

Country Status (11)

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

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
DE2341225B2 (de) * 1973-08-16 1976-10-28 Standard Elektrik Lorenz Ag, 7000 Stuttgart Selektiver zeichenempfaenger fuer fernmelde-, insbesondere fernsprechanlagen
DE2341224C3 (de) * 1973-08-16 1982-01-07 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren zur Frequenzerkennung in selektiven Zeichenempfängern für Fernmelde-, insbesondere Fernsprechanlagen

Also Published As

Publication number Publication date
ES451494A1 (es) 1977-10-01
FR2324182A1 (fr) 1977-04-08
CH625925A5 (en) 1981-10-15
SE7610009L (sv) 1977-03-14
AT353852B (de) 1979-12-10
DK412176A (da) 1977-03-14
DE2540859C2 (de) 1984-01-12
DE2540859A1 (de) 1977-03-17
GB1529758A (en) 1978-10-25
BE846033R (nl) 1977-03-10
ATA675776A (de) 1979-05-15
NL7609996A (nl) 1977-03-15

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