SE343998B - - Google Patents

Info

Publication number
SE343998B
SE343998B SE17578/68A SE1757868A SE343998B SE 343998 B SE343998 B SE 343998B SE 17578/68 A SE17578/68 A SE 17578/68A SE 1757868 A SE1757868 A SE 1757868A SE 343998 B SE343998 B SE 343998B
Authority
SE
Sweden
Application number
SE17578/68A
Inventor
C Riesgo
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of SE343998B publication Critical patent/SE343998B/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
    • H04Q1/442—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies
    • H04Q1/4423—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies using one signalling frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Inverter Devices (AREA)
  • Electronic Switches (AREA)
  • Filters And Equalizers (AREA)
  • Manipulation Of Pulses (AREA)
SE17578/68A 1968-01-03 1968-12-20 SE343998B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69544768A 1968-01-03 1968-01-03

Publications (1)

Publication Number Publication Date
SE343998B true SE343998B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-03-20

Family

ID=24793006

Family Applications (1)

Application Number Title Priority Date Filing Date
SE17578/68A SE343998B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-01-03 1968-12-20

Country Status (6)

Country Link
US (1) US3546600A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE726236A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1603868A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1241381A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL155419B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE343998B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3737773A (en) * 1971-07-28 1973-06-05 Motorola Inc Tachometer circuit
US4109197A (en) * 1973-03-15 1978-08-22 Westinghouse Electric Corp. Prf detection system and method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2541038A (en) * 1945-12-10 1951-02-13 Claud E Cleeton Pulse discriminator system
US2857587A (en) * 1955-10-17 1958-10-21 Robert D Tollefson Pulse train indicator
US3028556A (en) * 1960-04-26 1962-04-03 W W Henry Co Inc Frequency-selective audio receiver
GB1026381A (en) * 1961-04-27 1966-04-20 Dehavilland Aircraft Improvements in or relating to frequency responsive devices
US3299404A (en) * 1962-12-28 1967-01-17 Bell Telephone Labor Inc Detection circuit responsive to pulse duration and frequency
US3305732A (en) * 1963-06-10 1967-02-21 Barnes Eng Co Spurious signal void circuit

Also Published As

Publication number Publication date
DE1817548B2 (de) 1972-11-23
US3546600A (en) 1970-12-08
NL155419B (nl) 1977-12-15
NL6900021A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-07-07
DE1817548A1 (de) 1969-07-17
GB1241381A (en) 1971-08-04
FR1603868A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-06-07
BE726236A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-05-29

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