GB1241381A - Improvements in or relating to detector circuits - Google Patents

Improvements in or relating to detector circuits

Info

Publication number
GB1241381A
GB1241381A GB279/69A GB27969A GB1241381A GB 1241381 A GB1241381 A GB 1241381A GB 279/69 A GB279/69 A GB 279/69A GB 27969 A GB27969 A GB 27969A GB 1241381 A GB1241381 A GB 1241381A
Authority
GB
United Kingdom
Prior art keywords
circuit
input
pulse
output
signal
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB279/69A
Other languages
English (en)
Inventor
Charles John Del Riesgo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Inc
Original Assignee
Western Electric Co Inc
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 Inc filed Critical Western Electric Co Inc
Publication of GB1241381A publication Critical patent/GB1241381A/en
Expired legal-status Critical Current

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)
  • Electronic Switches (AREA)
  • Inverter Devices (AREA)
  • Filters And Equalizers (AREA)
  • Manipulation Of Pulses (AREA)
GB279/69A 1968-01-03 1969-01-02 Improvements in or relating to detector circuits Expired GB1241381A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1241381A true GB1241381A (en) 1971-08-04

Family

ID=24793006

Family Applications (1)

Application Number Title Priority Date Filing Date
GB279/69A Expired GB1241381A (en) 1968-01-03 1969-01-02 Improvements in or relating to detector circuits

Country Status (6)

Country Link
US (1) US3546600A (enExample)
BE (1) BE726236A (enExample)
FR (1) FR1603868A (enExample)
GB (1) GB1241381A (enExample)
NL (1) NL155419B (enExample)
SE (1) SE343998B (enExample)

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
FR1603868A (enExample) 1971-06-07
NL6900021A (enExample) 1969-07-07
DE1817548A1 (de) 1969-07-17
BE726236A (enExample) 1969-05-29
US3546600A (en) 1970-12-08
SE343998B (enExample) 1972-03-20
NL155419B (nl) 1977-12-15

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