BE842103A - Montage pour postes d'abonnes a selection par touches alimentes par leurs lignes de raccordement - Google Patents
Montage pour postes d'abonnes a selection par touches alimentes par leurs lignes de raccordementInfo
- Publication number
- BE842103A BE842103A BE167240A BE167240A BE842103A BE 842103 A BE842103 A BE 842103A BE 167240 A BE167240 A BE 167240A BE 167240 A BE167240 A BE 167240A BE 842103 A BE842103 A BE 842103A
- Authority
- BE
- Belgium
- Prior art keywords
- keys
- powered
- mounting
- connection lines
- subscriber stations
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/30—Devices which can set up and transmit only one digit at a time
- H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
- H04M1/312—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses pulses produced by electronic circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Telephonic Communication Services (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2522957A DE2522957C3 (de) | 1975-05-23 | 1975-05-23 | Schaltungsanordnung für über ihre Anschlußleitungen gespeiste Teilnehmerstationen mit Impulstastwahl in Fernmelde-, insbesondere Fernsprechanlagen |
Publications (1)
Publication Number | Publication Date |
---|---|
BE842103A true BE842103A (fr) | 1976-11-22 |
Family
ID=5947294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE167240A BE842103A (fr) | 1975-05-23 | 1976-05-21 | Montage pour postes d'abonnes a selection par touches alimentes par leurs lignes de raccordement |
Country Status (9)
Country | Link |
---|---|
US (1) | US4046971A (xx) |
JP (1) | JPS51147103A (xx) |
AT (1) | AT345350B (xx) |
BE (1) | BE842103A (xx) |
CH (1) | CH604443A5 (xx) |
DE (1) | DE2522957C3 (xx) |
FR (1) | FR2312144A1 (xx) |
GB (1) | GB1523370A (xx) |
IT (1) | IT1060641B (xx) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4167655A (en) * | 1977-10-17 | 1979-09-11 | United Networks Inc. | Push button to rotary dial converter systems |
EP0004901B1 (de) * | 1978-04-14 | 1982-02-17 | Siemens Aktiengesellschaft | Schaltungsanordnung für über Anschlussleitungen gespeiste Teilnehmerstationen mit Wähleinrichtungen in Fernmelde-, insbesondere Fernsprechanlagen |
EP0009106A1 (de) * | 1978-09-27 | 1980-04-02 | Ascom Autelca Ag | Schaltungsanordnung zur Erregung eines Elektromagneten in einem Münzfernsprecher |
US4286120A (en) * | 1979-10-15 | 1981-08-25 | Gte Automatic Electric Labs Inc. | Current regulated pulse dialer circuit |
US4306119A (en) * | 1980-07-03 | 1981-12-15 | Bell Telephone Laboratories, Incorporated | Telephone outpulsing circuit |
JPS58213913A (ja) * | 1982-06-04 | 1983-12-13 | Sugiuragumi:Kk | 土質改良工法 |
FR2546351B1 (fr) * | 1983-05-18 | 1989-02-24 | Telecommunications Sa | Circuit de ligne pour joncteur de reseau |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1395577A (en) * | 1972-05-11 | 1975-05-29 | Standard Telephones Cables Ltd | Telephones |
IT977993B (it) * | 1973-01-03 | 1974-09-20 | Sits Soc It Telecom Siemens | Tastiera di selezione elettroni ca per apparecchi telefonici con emissione di impulsi decadici intercambiabile con il disco com binatore |
US3956596A (en) * | 1973-04-10 | 1976-05-11 | The General Electric Company Limited | Circuit arrangements in telephone apparatus |
GB1480341A (en) * | 1973-10-25 | 1977-07-20 | Gen Electric Co Ltd | Electric impulse transmitters for telephone instruments |
-
1975
- 1975-05-23 DE DE2522957A patent/DE2522957C3/de not_active Expired
-
1976
- 1976-05-07 AT AT336476A patent/AT345350B/de not_active IP Right Cessation
- 1976-05-12 GB GB19528/76A patent/GB1523370A/en not_active Expired
- 1976-05-13 CH CH600476A patent/CH604443A5/xx not_active IP Right Cessation
- 1976-05-17 FR FR7614784A patent/FR2312144A1/fr active Granted
- 1976-05-20 IT IT23436/76A patent/IT1060641B/it active
- 1976-05-21 BE BE167240A patent/BE842103A/xx unknown
- 1976-05-24 US US05/689,043 patent/US4046971A/en not_active Expired - Lifetime
- 1976-05-24 JP JP51059902A patent/JPS51147103A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
IT1060641B (it) | 1982-08-20 |
FR2312144A1 (fr) | 1976-12-17 |
GB1523370A (en) | 1978-08-31 |
DE2522957C3 (de) | 1978-06-15 |
FR2312144B1 (xx) | 1978-05-19 |
US4046971A (en) | 1977-09-06 |
ATA336476A (de) | 1978-01-15 |
DE2522957A1 (de) | 1976-11-25 |
AT345350B (de) | 1978-09-11 |
DE2522957B2 (de) | 1977-11-03 |
CH604443A5 (xx) | 1978-09-15 |
JPS51147103A (en) | 1976-12-17 |
JPS5528623B2 (xx) | 1980-07-29 |
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