DD134176A5 - Schaltung zur selektiven erfassung periodischer elektrischer signale - Google Patents

Schaltung zur selektiven erfassung periodischer elektrischer signale

Info

Publication number
DD134176A5
DD134176A5 DD20358978A DD20358978A DD134176A5 DD 134176 A5 DD134176 A5 DD 134176A5 DD 20358978 A DD20358978 A DD 20358978A DD 20358978 A DD20358978 A DD 20358978A DD 134176 A5 DD134176 A5 DD 134176A5
Authority
DD
German Democratic Republic
Prior art keywords
circuit
electrical signals
selective detection
periodic electrical
periodic
Prior art date
Application number
DD20358978A
Other languages
English (en)
Inventor
Sandor Biro
Original Assignee
Budapesti Radiotechnikai Gyar
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 Budapesti Radiotechnikai Gyar filed Critical Budapesti Radiotechnikai Gyar
Publication of DD134176A5 publication Critical patent/DD134176A5/de

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
    • H04Q1/446—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency
    • H04Q1/448—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency with conversion of a single frequency signal into a digital signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Manipulation Of Pulses (AREA)
DD20358978A 1977-02-09 1978-02-07 Schaltung zur selektiven erfassung periodischer elektrischer signale DD134176A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU77BU837A HU173814B (hu) 1977-02-09 1977-02-09 Ehlektroskhema dlja vosprinjatija periodicheskikh ehlektricheskikh signalov v predpisannoj polose chastoty

Publications (1)

Publication Number Publication Date
DD134176A5 true DD134176A5 (de) 1979-02-07

Family

ID=10994023

Family Applications (1)

Application Number Title Priority Date Filing Date
DD20358978A DD134176A5 (de) 1977-02-09 1978-02-07 Schaltung zur selektiven erfassung periodischer elektrischer signale

Country Status (4)

Country Link
DD (1) DD134176A5 (de)
HU (1) HU173814B (de)
NL (1) NL7801053A (de)
PL (1) PL125729B1 (de)

Also Published As

Publication number Publication date
PL125729B1 (en) 1983-06-30
NL7801053A (nl) 1978-08-11
PL204503A1 (pl) 1979-01-02
HU173814B (hu) 1979-08-28

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