IT9020735A0 - DETECTION CIRCUIT FOR MOMENTARY HOOK SWITCH SIGNALS - Google Patents

DETECTION CIRCUIT FOR MOMENTARY HOOK SWITCH SIGNALS

Info

Publication number
IT9020735A0
IT9020735A0 IT9020735A IT2073590A IT9020735A0 IT 9020735 A0 IT9020735 A0 IT 9020735A0 IT 9020735 A IT9020735 A IT 9020735A IT 2073590 A IT2073590 A IT 2073590A IT 9020735 A0 IT9020735 A0 IT 9020735A0
Authority
IT
Italy
Prior art keywords
momentary
detection circuit
hook switch
switch signals
signals
Prior art date
Application number
IT9020735A
Other languages
Italian (it)
Other versions
IT9020735A1 (en
IT1251350B (en
Inventor
Jim Pinard
Ron Kennedy
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
Publication of IT9020735A0 publication Critical patent/IT9020735A0/en
Publication of IT9020735A1 publication Critical patent/IT9020735A1/en
Application granted granted Critical
Publication of IT1251350B publication Critical patent/IT1251350B/en

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)
IT02073590A 1989-06-22 1990-06-22 DETECTION CIRCUIT OF MOMENTARY SIGNALS OF SWITCHING HOOKS IT1251350B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000603683A CA1336446C (en) 1989-06-22 1989-06-22 Switch hook flash detection circuit

Publications (3)

Publication Number Publication Date
IT9020735A0 true IT9020735A0 (en) 1990-06-22
IT9020735A1 IT9020735A1 (en) 1990-12-23
IT1251350B IT1251350B (en) 1995-05-08

Family

ID=4140245

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02073590A IT1251350B (en) 1989-06-22 1990-06-22 DETECTION CIRCUIT OF MOMENTARY SIGNALS OF SWITCHING HOOKS

Country Status (4)

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

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 (en) * 1974-05-14 1975-11-18 Bell Telephone Mfg SIGNAL CHAIN FOR A SIGNAL WITH TWO LEVELS.
DE3239935C2 (en) * 1982-10-28 1986-10-30 Philips Kommunikations Industrie AG, 8500 Nürnberg Circuit arrangement for converting an input signal with bruises into bounce-free output signals

Also Published As

Publication number Publication date
DE4019438A1 (en) 1991-04-25
GB2233534A (en) 1991-01-09
GB2233534B (en) 1994-02-02
IT9020735A1 (en) 1990-12-23
IT1251350B (en) 1995-05-08
GB9013980D0 (en) 1990-08-15
CA1336446C (en) 1995-07-25

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960628