FI854644A - ANALYSIS OF FOER AND IMPULSIS UPPTRAEDANDE TONSIGNAL. - Google Patents

ANALYSIS OF FOER AND IMPULSIS UPPTRAEDANDE TONSIGNAL. Download PDF

Info

Publication number: FI854644A
Authority: FI; Finland
Prior art keywords: upptraedande; impulsis; tonsignal; foer; analysis
Prior art date: 1984-11-30

Application number

FI854644A

Other languages

Finnish (fi)

Other versions

FI854644A0 (en

Inventor

Martin Aeberhard

Dieter Gisiger

Jean-Pierre Jacot

Original Assignee

Autophon Ag

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.)

1984-11-30

Filing date

1985-11-25

Publication date

1986-05-31

1985-11-25 Application filed by Autophon Ag filed Critical Autophon Ag

1985-11-25 Publication of FI854644A0 publication Critical patent/FI854644A0/en

1986-05-31 Publication of FI854644A publication Critical patent/FI854644A/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
- H04Q1/44—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)
Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Burglar Alarm Systems (AREA)
Selective Calling Equipment (AREA)

FI854644A 1984-11-30 1985-11-25 ANALYSIS OF FOER AND IMPULSIS UPPTRAEDANDE TONSIGNAL. FI854644A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH5725/84A CH672968A5 (en)	1984-11-30	1984-11-30

Publications (2)

Publication Number	Publication Date
FI854644A0 FI854644A0 (en)	1985-11-25
FI854644A true FI854644A (en)	1986-05-31

Family

ID=4298317

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI854644A FI854644A (en)	1984-11-30	1985-11-25	ANALYSIS OF FOER AND IMPULSIS UPPTRAEDANDE TONSIGNAL.

Country Status (5)

Country	Link
EP (1)	EP0184984A1 (en)
CH (1)	CH672968A5 (en)
ES (1)	ES8705155A1 (en)
FI (1)	FI854644A (en)
NO (1)	NO854745L (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1072242B (en) *	1976-12-17	1985-04-10	Cselt Centro Studi Lab Telecom	PROCEDURE AND DEVICE FOR THE RECOGNITION OF TELEPHONE SIGNALS IN MULTIFREQUENCY CODE CONVERTED IN NUMERICAL FORM
US4354248A (en) *	1979-11-28	1982-10-12	Motorola, Inc.	Programmable multifrequency tone receiver
IT1148885B (en) *	1980-07-09	1986-12-03	Sits Soc It Telecom Siemens	MULTIFREQUENCY TYPE SIGNALING CONTROL UNIT, OF PARTICULAR APPLICATION IN TELEPHONE UNITS FOR NUMERIC TYPES OF TRANSIT

1984
- 1984-11-30 CH CH5725/84A patent/CH672968A5/de not_active IP Right Cessation
1985
- 1985-11-06 EP EP85810517A patent/EP0184984A1/en not_active Ceased
- 1985-11-25 FI FI854644A patent/FI854644A/en not_active Application Discontinuation
- 1985-11-27 NO NO854745A patent/NO854745L/en unknown
- 1985-11-29 ES ES549453A patent/ES8705155A1/en not_active Expired

Also Published As

Publication number	Publication date
EP0184984A1 (en)	1986-06-18
ES8705155A1 (en)	1987-04-16
ES549453A0 (en)	1987-04-16
FI854644A0 (en)	1985-11-25
NO854745L (en)	1986-06-02
CH672968A5 (en)	1990-01-15

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Legal Events

Date	Code	Title	Description
2004-08-31	FA	Application withdrawn	Owner name: AUTOPHON A.G.