NO783303L - Mottakerkopling for telefongebyrpulser - Google Patents
Mottakerkopling for telefongebyrpulserInfo
- Publication number
- NO783303L NO783303L NO783303A NO783303A NO783303L NO 783303 L NO783303 L NO 783303L NO 783303 A NO783303 A NO 783303A NO 783303 A NO783303 A NO 783303A NO 783303 L NO783303 L NO 783303L
- Authority
- NO
- Norway
- Prior art keywords
- receiver
- frequency
- circuit
- receiver circuit
- connection
- Prior art date
Links
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 239000004020 conductor Substances 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 11
- 230000005693 optoelectronics Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
- H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
- H04M17/023—Circuit arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Meter Arrangements (AREA)
- Prepayment Telephone Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1197177A CH622654A5 (de) | 1977-09-30 | 1977-09-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
NO783303L true NO783303L (no) | 1979-04-02 |
Family
ID=4378612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO783303A NO783303L (no) | 1977-09-30 | 1978-09-29 | Mottakerkopling for telefongebyrpulser |
Country Status (9)
Country | Link |
---|---|
AT (1) | AT364392B (de) |
BE (1) | BE870158A (de) |
CH (1) | CH622654A5 (de) |
DE (1) | DE2833322A1 (de) |
DK (1) | DK432578A (de) |
FR (1) | FR2404975A1 (de) |
GB (1) | GB2005111A (de) |
NL (1) | NL7809721A (de) |
NO (1) | NO783303L (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2551604B1 (fr) * | 1983-09-06 | 1985-10-25 | Thomson Csf Mat Tel | Dispositif de teletaxation pour terminal telephonique electronique |
JPS62220054A (ja) * | 1986-03-20 | 1987-09-28 | Fujitsu Ltd | 局線トランク回路の課金信号受信装置 |
GB8703066D0 (en) * | 1987-02-11 | 1987-03-18 | Gen Electric Co Plc | Signal converter unit |
FR2648655B1 (fr) * | 1989-06-19 | 1995-08-18 | Alcatel Business Systems | Detecteur de signalisations, du type taxe telephonique, notamment pour joncteur telephonique |
NL8902617A (nl) * | 1989-10-23 | 1991-05-16 | Nederland Ptt | Methode en inrichting voor het enerzijds verbinden van een anderzijds met een geaard systeem verbonden apparaat met een uit meer aansluitingen van een enkel- of meerfasig elektriciteitsnet die ten opzichte van de overige aansluiting resp. aansluitingen de kleinste impedantie naar aarde bezit. |
GB2266819A (en) * | 1992-05-07 | 1993-11-10 | British Telecomm | Pulse detection |
DE19502448C2 (de) * | 1995-01-26 | 1998-07-30 | Gramespacher Max H | Fremdbenutzungsmelder zum Anschluß an eine Telefonleitung |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE550795A (de) * | 1955-09-20 | |||
DE1563825A1 (de) * | 1966-08-10 | 1970-05-14 | Stotz Kontakt Gmbh | Fehlerstromschutzschalter |
DE1291797B (de) * | 1967-06-07 | 1969-04-03 | Siemens Ag | Schaltungsanordnung fuer als Rollenzaehler ausgebildete Gebuehrenzaehler an Stationen in Fernmelde-, insbesondere Fernsprechanlagen |
CH532873A (de) * | 1971-06-21 | 1973-01-15 | Sodeco Compteurs De Geneve | Gebührenzähler für Fernsprechanlagen mit automatischer Gebührenverrechnung |
CH540616A (de) * | 1972-01-10 | 1973-08-15 | Sodeco Compteurs De Geneve | Schaltungsanordnung für einen Telephon-Gebührenmelder |
DE2337107C2 (de) * | 1973-07-20 | 1975-07-24 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Empfangseinrichtung für über Fernmelde-, insbesondere Fernsprechleitungen übertragene Wechselspannungsimpulse, z. B. 16-kHz-Zählimpulse |
BR7501017A (pt) * | 1974-03-01 | 1975-12-02 | Ite Imperial Corp | Dispositivo protetor de circuito |
IT1035674B (it) * | 1975-05-09 | 1979-10-20 | Ind Politecnica Meridionale Ip | Dispositivo memorizzatore e per la stampa del numero telefonico chiamato e degli scatti relativi |
-
1977
- 1977-09-30 CH CH1197177A patent/CH622654A5/de not_active IP Right Cessation
-
1978
- 1978-07-21 AT AT0532078A patent/AT364392B/de not_active IP Right Cessation
- 1978-07-29 DE DE19782833322 patent/DE2833322A1/de not_active Withdrawn
- 1978-08-30 FR FR7825445A patent/FR2404975A1/fr active Granted
- 1978-09-01 BE BE190215A patent/BE870158A/xx not_active IP Right Cessation
- 1978-09-22 GB GB7837768A patent/GB2005111A/en not_active Withdrawn
- 1978-09-25 NL NL7809721A patent/NL7809721A/xx not_active Application Discontinuation
- 1978-09-29 NO NO783303A patent/NO783303L/no unknown
- 1978-09-29 DK DK432578A patent/DK432578A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FR2404975A1 (fr) | 1979-04-27 |
ATA532078A (de) | 1981-03-15 |
DE2833322A1 (de) | 1979-04-12 |
DK432578A (da) | 1979-03-31 |
NL7809721A (nl) | 1979-04-03 |
GB2005111A (en) | 1979-04-11 |
FR2404975B1 (de) | 1982-06-25 |
BE870158A (fr) | 1979-01-02 |
CH622654A5 (de) | 1981-04-15 |
AT364392B (de) | 1981-10-12 |
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