AU3655795A - Method for detecting a signal - Google Patents

Method for detecting a signal

Info

Publication number
AU3655795A
AU3655795A AU36557/95A AU3655795A AU3655795A AU 3655795 A AU3655795 A AU 3655795A AU 36557/95 A AU36557/95 A AU 36557/95A AU 3655795 A AU3655795 A AU 3655795A AU 3655795 A AU3655795 A AU 3655795A
Authority
AU
Australia
Prior art keywords
detecting
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.)
Abandoned
Application number
AU36557/95A
Inventor
Harri Hurme
Caj Nordstrom
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.)
Nokia Oyj
Original Assignee
Nokia Telecommunications Oy
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 Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Publication of AU3655795A publication Critical patent/AU3655795A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0007—Frequency selective voltage or current level measuring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
AU36557/95A 1994-10-14 1995-10-11 Method for detecting a signal Abandoned AU3655795A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI944857 1994-10-14
FI944857A FI99166C (en) 1994-10-14 1994-10-14 A method for detecting a signal having a predetermined frequency and a detection circuit
PCT/FI1995/000563 WO1996012196A1 (en) 1994-10-14 1995-10-11 Method for detecting a signal

Publications (1)

Publication Number Publication Date
AU3655795A true AU3655795A (en) 1996-05-06

Family

ID=8541595

Family Applications (1)

Application Number Title Priority Date Filing Date
AU36557/95A Abandoned AU3655795A (en) 1994-10-14 1995-10-11 Method for detecting a signal

Country Status (5)

Country Link
EP (1) EP0786093A1 (en)
CN (1) CN1082666C (en)
AU (1) AU3655795A (en)
FI (1) FI99166C (en)
WO (1) WO1996012196A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9634703B2 (en) * 2015-07-29 2017-04-25 Raytheon Company Low power encoded signal detection

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES8700528A1 (en) * 1984-05-04 1986-10-01 Ates Componenti Elettron Monolithically integratable telephone circuit for generating control signals for displaying telephone charges
DE3832145A1 (en) * 1988-09-22 1990-03-29 Philips Patentverwaltung METHOD AND CIRCUIT FOR MEASURING SMALL ELECTRICAL SIGNALS
FR2648661B1 (en) * 1989-06-19 1994-03-04 Alcatel Business Systems LOW FREQUENCY ALTERNATIVE SIGNAL DETECTOR IN PARTICULAR FOR TELEPHONE TRUNK

Also Published As

Publication number Publication date
FI99166B (en) 1997-06-30
FI944857A (en) 1996-04-15
WO1996012196A1 (en) 1996-04-25
EP0786093A1 (en) 1997-07-30
FI99166C (en) 1997-10-10
FI944857A0 (en) 1994-10-14
CN1162996A (en) 1997-10-22
CN1082666C (en) 2002-04-10

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