CA1240088A - Solid state trunk circuit - Google Patents
Solid state trunk circuitInfo
- Publication number
- CA1240088A CA1240088A CA000495810A CA495810A CA1240088A CA 1240088 A CA1240088 A CA 1240088A CA 000495810 A CA000495810 A CA 000495810A CA 495810 A CA495810 A CA 495810A CA 1240088 A CA1240088 A CA 1240088A
- Authority
- CA
- Canada
- Prior art keywords
- tip
- signals
- leads
- circuit
- transformer
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 239000007787 solid Substances 0.000 title description 11
- 230000008878 coupling Effects 0.000 claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 claims abstract description 12
- 239000003990 capacitor Substances 0.000 claims description 34
- 230000004044 response Effects 0.000 claims description 24
- 230000000903 blocking effect Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 2
- 238000002955 isolation Methods 0.000 abstract description 7
- 230000002457 bidirectional effect Effects 0.000 abstract description 6
- 230000009977 dual effect Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241000370685 Arge Species 0.000 description 1
- 241000272470 Circus Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/0096—Trunk circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Multi-Conductor Connections (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Dc Digital Transmission (AREA)
Priority Applications (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000495810A CA1240088A (en) | 1985-11-20 | 1985-11-20 | Solid state trunk circuit |
| GB8612353A GB2183426B (en) | 1985-11-20 | 1986-05-21 | Trunk circuit |
| US06/865,961 US4776007A (en) | 1985-11-20 | 1986-05-22 | Solid state trunk circuit |
| IT20618/86A IT1190031B (it) | 1985-11-20 | 1986-05-30 | Circuito di collegamento |
| DE19863621777 DE3621777A1 (de) | 1985-11-20 | 1986-06-28 | Verbindungsschaltung bei einer telefonanlage |
| FR8615305A FR2590430A1 (fr) | 1985-11-20 | 1986-10-31 | Joncteur pour systeme telephonique |
| CN198686107804A CN86107804A (zh) | 1985-11-20 | 1986-11-17 | 固态中继线路 |
| SE8604931A SE8604931L (sv) | 1985-11-20 | 1986-11-18 | Fasttillstandsforbindelseledningskrets |
| FI864724A FI864724A7 (fi) | 1985-11-20 | 1986-11-19 | Puolijohde-yhdysjohtopiiri. |
| DK552986A DK552986A (da) | 1985-11-20 | 1986-11-19 | Faststof-koblingskredsloeb |
| NO864632A NO864632L (no) | 1985-11-20 | 1986-11-20 | Sambandskopling. |
| JP61278524A JPS62216490A (ja) | 1985-11-20 | 1986-11-20 | 電話回線用中継線回路 |
| JP042863U JPH0582185U (ja) | 1985-11-20 | 1992-06-22 | 電話回線用中継線回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000495810A CA1240088A (en) | 1985-11-20 | 1985-11-20 | Solid state trunk circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1240088A true CA1240088A (en) | 1988-08-02 |
Family
ID=4131922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000495810A Expired CA1240088A (en) | 1985-11-20 | 1985-11-20 | Solid state trunk circuit |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4776007A (OSRAM) |
| JP (2) | JPS62216490A (OSRAM) |
| CN (1) | CN86107804A (OSRAM) |
| CA (1) | CA1240088A (OSRAM) |
| DE (1) | DE3621777A1 (OSRAM) |
| DK (1) | DK552986A (OSRAM) |
| FI (1) | FI864724A7 (OSRAM) |
| FR (1) | FR2590430A1 (OSRAM) |
| GB (1) | GB2183426B (OSRAM) |
| IT (1) | IT1190031B (OSRAM) |
| NO (1) | NO864632L (OSRAM) |
| SE (1) | SE8604931L (OSRAM) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3804216A1 (de) * | 1988-02-11 | 1989-08-24 | Telefonbau & Normalzeit Gmbh | Schaltungsanordnung fuer eine externleitungsuebertragung von kommunikations-vermittlungsanlagen, insbesondere fernsprechnebenstellenanlagen |
| US4894860A (en) * | 1988-06-07 | 1990-01-16 | Tie/Communications, Inc. | Trunk interface circuitry for telephone systems |
| KR950012585B1 (ko) * | 1992-05-09 | 1995-10-19 | 삼성전자주식회사 | 양방향 다이얼링 트렁크 인터페이싱회로 |
| US6480596B1 (en) * | 1993-05-07 | 2002-11-12 | Samsung Electronics Co., Ltd. | Direct inward-outward dialing trunk circuit |
| US5517565A (en) * | 1994-06-30 | 1996-05-14 | Harris Corporation | Integrated ringer relay circuit and method |
| DE4429840C2 (de) * | 1994-08-23 | 1996-07-18 | Ant Nachrichtentech | Signalamplitudenabhängige spulenlose Nachbildung einer Drossel |
| GB2417393A (en) * | 2004-08-18 | 2006-02-22 | Mitel Networks Corp | Central Office Line Circuit |
| JP2007180323A (ja) * | 2005-12-28 | 2007-07-12 | Matsushita Electric Ind Co Ltd | 積層セラミックコンデンサの製造方法並びにその選別装置 |
| BR112014001467A2 (pt) * | 2011-07-25 | 2017-02-21 | Koninklijke Philips Nv | sistema para implementar escurecimento com base no sinal da rede elétrica do módulo de iluminação no estado sólido, e, método para prover escurecimento com base no sinal da rede elétrica de um módulo de diodo emissor de luz |
| US9860392B2 (en) | 2015-06-05 | 2018-01-02 | Silicon Laboratories Inc. | Direct-current to alternating-current power conversion |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3934099A (en) * | 1974-08-16 | 1976-01-20 | Bell Telephone Laboratories, Incorporated | Bias, feedback and network arrangements for hybrid circuits |
| US3993880A (en) * | 1976-02-09 | 1976-11-23 | Bell Telephone Laboratories, Incorporated | Resistive battery feed for line circuits |
| US4074087A (en) * | 1976-08-16 | 1978-02-14 | Bell Telephone Laboratories, Incorporated | Bidirectional voice frequency repeater |
| US4126765A (en) * | 1977-12-12 | 1978-11-21 | Gte Automatic Electric Laboratories Incorporated | Detector circuit for sensing battery polarity and loop closure |
| US4254305A (en) * | 1979-02-07 | 1981-03-03 | International Telephone And Telegraph Corporation | Current limited subscriber line feed circuit |
| GB2071461B (en) * | 1980-02-14 | 1984-01-25 | Standard Telephones Cables Ltd | Telephone line feed |
| DE3142201C2 (de) * | 1981-01-23 | 1984-02-23 | Mitel Corp., Kanata, Ontario | Gabelschaltung für eine Fernmelde-, insbesondere Fernsprechanlage |
| JPS60125A (ja) * | 1983-06-15 | 1985-01-05 | Fujitsu Ltd | 二線四線変換回路 |
| JPS6048693A (ja) * | 1983-08-29 | 1985-03-16 | Toshiba Corp | 局線トランク回路 |
-
1985
- 1985-11-20 CA CA000495810A patent/CA1240088A/en not_active Expired
-
1986
- 1986-05-21 GB GB8612353A patent/GB2183426B/en not_active Expired
- 1986-05-22 US US06/865,961 patent/US4776007A/en not_active Expired - Lifetime
- 1986-05-30 IT IT20618/86A patent/IT1190031B/it active
- 1986-06-28 DE DE19863621777 patent/DE3621777A1/de active Granted
- 1986-10-31 FR FR8615305A patent/FR2590430A1/fr not_active Withdrawn
- 1986-11-17 CN CN198686107804A patent/CN86107804A/zh active Pending
- 1986-11-18 SE SE8604931A patent/SE8604931L/ not_active Application Discontinuation
- 1986-11-19 FI FI864724A patent/FI864724A7/fi not_active Application Discontinuation
- 1986-11-19 DK DK552986A patent/DK552986A/da not_active Application Discontinuation
- 1986-11-20 JP JP61278524A patent/JPS62216490A/ja active Pending
- 1986-11-20 NO NO864632A patent/NO864632L/no unknown
-
1992
- 1992-06-22 JP JP042863U patent/JPH0582185U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62216490A (ja) | 1987-09-24 |
| SE8604931D0 (sv) | 1986-11-18 |
| DE3621777C2 (OSRAM) | 1988-04-07 |
| GB2183426B (en) | 1989-10-11 |
| DK552986D0 (da) | 1986-11-19 |
| IT8620618A0 (it) | 1986-05-30 |
| NO864632L (no) | 1987-05-21 |
| IT1190031B (it) | 1988-02-10 |
| DK552986A (da) | 1987-05-21 |
| SE8604931L (sv) | 1987-05-21 |
| NO864632D0 (no) | 1986-11-20 |
| JPH0582185U (ja) | 1993-11-05 |
| CN86107804A (zh) | 1987-05-27 |
| GB2183426A (en) | 1987-06-03 |
| US4776007A (en) | 1988-10-04 |
| IT8620618A1 (it) | 1987-11-30 |
| DE3621777A1 (de) | 1987-05-21 |
| FR2590430A1 (fr) | 1987-05-22 |
| GB8612353D0 (en) | 1986-06-25 |
| FI864724A0 (fi) | 1986-11-19 |
| FI864724L (fi) | 1987-05-21 |
| FI864724A7 (fi) | 1987-05-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |