GB980155A - - Google Patents

Info

Publication number
GB980155A
GB980155A GB2682763A GB2682763A GB980155A GB 980155 A GB980155 A GB 980155A GB 2682763 A GB2682763 A GB 2682763A GB 2682763 A GB2682763 A GB 2682763A GB 980155 A GB980155 A GB 980155A
Authority
GB
United Kingdom
Prior art keywords
pulse
output
receivers
time
gates
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
GB2682763A
Other languages
English (en)
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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
Priority claimed from DEST19452A external-priority patent/DE1196249B/de
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB980155A publication Critical patent/GB980155A/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
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/46—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies comprising means for distinguishing between a signalling current of predetermined frequency and a complex current containing that frequency, e.g. speech current

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Dc Digital Transmission (AREA)
GB2682763A 1962-07-06 1963-07-05 Expired GB980155A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST19452A DE1196249B (de) 1963-07-05 1962-07-06 Schaltungsanordnung zum Auswerten von Kombinationssignalen

Publications (1)

Publication Number Publication Date
GB980155A true GB980155A (enrdf_load_stackoverflow) 1965-01-13

Family

ID=30774876

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2682763A Expired GB980155A (enrdf_load_stackoverflow) 1962-07-06 1963-07-05

Country Status (1)

Country Link
GB (1) GB980155A (enrdf_load_stackoverflow)

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