NO854745L - Tolkeinnretning for et pulsvis opptredende tonesignal. - Google Patents
Tolkeinnretning for et pulsvis opptredende tonesignal.Info
- Publication number
- NO854745L NO854745L NO854745A NO854745A NO854745L NO 854745 L NO854745 L NO 854745L NO 854745 A NO854745 A NO 854745A NO 854745 A NO854745 A NO 854745A NO 854745 L NO854745 L NO 854745L
- Authority
- NO
- Norway
- Prior art keywords
- coupling means
- fixed value
- signal
- value
- signals
- Prior art date
Links
- 230000008878 coupling Effects 0.000 claims description 25
- 238000010168 coupling process Methods 0.000 claims description 25
- 238000005859 coupling reaction Methods 0.000 claims description 25
- 230000001419 dependent effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000003860 storage Methods 0.000 description 52
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH5725/84A CH672968A5 (es) | 1984-11-30 | 1984-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO854745L true NO854745L (no) | 1986-06-02 |
Family
ID=4298317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO854745A NO854745L (no) | 1984-11-30 | 1985-11-27 | Tolkeinnretning for et pulsvis opptredende tonesignal. |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0184984A1 (es) |
| CH (1) | CH672968A5 (es) |
| ES (1) | ES8705155A1 (es) |
| FI (1) | FI854644A (es) |
| NO (1) | NO854745L (es) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1072242B (it) * | 1976-12-17 | 1985-04-10 | Cselt Centro Studi Lab Telecom | Procedimento e dispositivo per il riconoscimento di segnali telefonici in codice multifrequenza convertiti in forma numerica |
| US4354248A (en) * | 1979-11-28 | 1982-10-12 | Motorola, Inc. | Programmable multifrequency tone receiver |
| IT1148885B (it) * | 1980-07-09 | 1986-12-03 | Sits Soc It Telecom Siemens | Unita' di controllo della segnalazione di tipo multifrequenza,di particolare applicazione nelle centrali telefonichedi transito di tipo numerico |
-
1984
- 1984-11-30 CH CH5725/84A patent/CH672968A5/de not_active IP Right Cessation
-
1985
- 1985-11-06 EP EP85810517A patent/EP0184984A1/de not_active Ceased
- 1985-11-25 FI FI854644A patent/FI854644A/fi not_active Application Discontinuation
- 1985-11-27 NO NO854745A patent/NO854745L/no unknown
- 1985-11-29 ES ES549453A patent/ES8705155A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES8705155A1 (es) | 1987-04-16 |
| EP0184984A1 (de) | 1986-06-18 |
| ES549453A0 (es) | 1987-04-16 |
| FI854644A (fi) | 1986-05-31 |
| CH672968A5 (es) | 1990-01-15 |
| FI854644A0 (fi) | 1985-11-25 |
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