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)
- Burglar Alarm Systems (AREA)
- Selective Calling Equipment (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH5725/84A CH672968A5 (fr) | 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 (fr) |
CH (1) | CH672968A5 (fr) |
ES (1) | ES8705155A1 (fr) |
FI (1) | FI854644A (fr) |
NO (1) | NO854745L (fr) |
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/fr 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 |
---|---|
EP0184984A1 (fr) | 1986-06-18 |
CH672968A5 (fr) | 1990-01-15 |
ES549453A0 (es) | 1987-04-16 |
FI854644A (fi) | 1986-05-31 |
FI854644A0 (fi) | 1985-11-25 |
ES8705155A1 (es) | 1987-04-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4322580A (en) | Clock selection circuit | |
NO770613L (no) | Datasystem. | |
CN1076580A (zh) | 检测视频信号奇数场和偶数场的电路 | |
NO128351B (fr) | ||
NO141628B (no) | Anordning for aa samle og/eller fordele informasjoner | |
US4490581A (en) | Clock selection control circuit | |
US2539043A (en) | Number comparing device | |
NO854745L (no) | Tolkeinnretning for et pulsvis opptredende tonesignal. | |
US3366930A (en) | Method and apparatus for rejecting noise in a data transmission system | |
NO148660B (no) | Fremgangsmaate og koblingsanordning til proevning av et dataoverfoeringsanlegg under anvendelse av en proevesloeyfe | |
SE427144B (sv) | Halvekosperr | |
CA1059246A (fr) | Circuit de maintien pour detecter deux frequences dans le signal multifrequence en phonie d'un recepteur | |
DK144548B (da) | Signalspidsvaerdidetektor isaer til ekkoundertrykkelseskobling | |
US2822422A (en) | Start-stop telegraph regenerators | |
GB2206761A (en) | Signal detection apparatus | |
NO139656B (no) | Anordning for aa overvaake belegningskvaliteten hos organ som inngaar i en organgruppe | |
DE2400604A1 (de) | Elektronisches fehleranzeigesystem | |
CA1260103A (fr) | Analyseur logique rapide | |
CA1041203A (fr) | Detecteur d'etat occupe/libre pour reseau de commutation telephonique | |
US3399395A (en) | Chain switch | |
US3299216A (en) | Signal evaluation circuits | |
US3174132A (en) | Keyboard controlled signal transmitter for multiplex system | |
DE3789862T2 (de) | Basisbandempfänger mit Entfernungsauftastschaltung für kurze Dauer. | |
GB1036358A (en) | Data transmitting system | |
US2909763A (en) | Circuit arrangements for registering and retransmitting numbers |