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CA1336446C - Circuit de detection d'appels par signal au crochet commutateur - Google Patents

Circuit de detection d'appels par signal au crochet commutateur

Info

Publication number
CA1336446C
CA1336446C CA000603683A CA603683A CA1336446C CA 1336446 C CA1336446 C CA 1336446C CA 000603683 A CA000603683 A CA 000603683A CA 603683 A CA603683 A CA 603683A CA 1336446 C CA1336446 C CA 1336446C
Authority
CA
Canada
Prior art keywords
signal
pulses
time period
predetermined time
logic
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 - Fee Related
Application number
CA000603683A
Other languages
English (en)
Inventor
Jim Pinard
Ron Kennedy
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.)
Microsemi Semiconductor ULC
Original Assignee
Mitel 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 Mitel Corp filed Critical Mitel Corp
Priority to CA000603683A priority Critical patent/CA1336446C/fr
Priority to DE4019438A priority patent/DE4019438A1/de
Priority to IT02073590A priority patent/IT1251350B/it
Priority to GB9013980A priority patent/GB2233534B/en
Application granted granted Critical
Publication of CA1336446C publication Critical patent/CA1336446C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of DC pulses
    • H04Q1/36—Pulse-correcting arrangements, e.g. for reducing effects due to interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electronic Switches (AREA)
  • Analogue/Digital Conversion (AREA)
CA000603683A 1989-06-22 1989-06-22 Circuit de detection d'appels par signal au crochet commutateur Expired - Fee Related CA1336446C (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA000603683A CA1336446C (fr) 1989-06-22 1989-06-22 Circuit de detection d'appels par signal au crochet commutateur
DE4019438A DE4019438A1 (de) 1989-06-22 1990-06-19 Erfassungsschaltkreis fuer gabelschaltsignale
IT02073590A IT1251350B (it) 1989-06-22 1990-06-22 Circuito di rivelazione di segnali momentanei di ganci commutatori
GB9013980A GB2233534B (en) 1989-06-22 1990-06-22 A signal calibration circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000603683A CA1336446C (fr) 1989-06-22 1989-06-22 Circuit de detection d'appels par signal au crochet commutateur

Publications (1)

Publication Number Publication Date
CA1336446C true CA1336446C (fr) 1995-07-25

Family

ID=4140245

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000603683A Expired - Fee Related CA1336446C (fr) 1989-06-22 1989-06-22 Circuit de detection d'appels par signal au crochet commutateur

Country Status (4)

Country Link
CA (1) CA1336446C (fr)
DE (1) DE4019438A1 (fr)
GB (1) GB2233534B (fr)
IT (1) IT1251350B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5465256A (en) * 1993-12-23 1995-11-07 Krone Ag Telephone cross connect status signal pre-processor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1372183A (en) * 1970-08-03 1974-10-30 Aei Telecommunications Canada Digital impulse corrector
US3766323A (en) * 1971-02-24 1973-10-16 Itt Digital dial pulse distortion corrector
NL7406433A (nl) * 1974-05-14 1975-11-18 Bell Telephone Mfg Signaleringsketen voor een signaal met twee niveaus.
DE3239935C2 (de) * 1982-10-28 1986-10-30 Philips Kommunikations Industrie AG, 8500 Nürnberg Schaltungsanordnung zum Umwandeln eines mit Prellungen behafteten Eingangssignales in prellfreie Ausgangssignale

Also Published As

Publication number Publication date
IT9020735A1 (it) 1990-12-23
GB9013980D0 (en) 1990-08-15
DE4019438A1 (de) 1991-04-25
GB2233534B (en) 1994-02-02
GB2233534A (en) 1991-01-09
IT1251350B (it) 1995-05-08
IT9020735A0 (it) 1990-06-22

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