IT1186131B - Circuito di alimentazione per apparecchi telefonici - Google Patents
Circuito di alimentazione per apparecchi telefoniciInfo
- Publication number
- IT1186131B IT1186131B IT23054/85A IT2305485A IT1186131B IT 1186131 B IT1186131 B IT 1186131B IT 23054/85 A IT23054/85 A IT 23054/85A IT 2305485 A IT2305485 A IT 2305485A IT 1186131 B IT1186131 B IT 1186131B
- Authority
- IT
- Italy
- Prior art keywords
- power circuit
- telephone devices
- telephone
- devices
- circuit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Devices For Supply Of Signal Current (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT23054/85A IT1186131B (it) | 1985-12-02 | 1985-12-02 | Circuito di alimentazione per apparecchi telefonici |
| BE0/217410A BE905756A (fr) | 1985-12-02 | 1986-11-14 | Circuit d'alimentation pour appareil telephonique. |
| GB08628176A GB2183942A (en) | 1985-12-02 | 1986-11-25 | Power supply circuit for telephone apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT23054/85A IT1186131B (it) | 1985-12-02 | 1985-12-02 | Circuito di alimentazione per apparecchi telefonici |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8523054A0 IT8523054A0 (it) | 1985-12-02 |
| IT1186131B true IT1186131B (it) | 1987-11-18 |
Family
ID=11203298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT23054/85A IT1186131B (it) | 1985-12-02 | 1985-12-02 | Circuito di alimentazione per apparecchi telefonici |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE905756A (it) |
| GB (1) | GB2183942A (it) |
| IT (1) | IT1186131B (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8713370D0 (en) * | 1987-06-08 | 1987-07-15 | Avery Ltd W & T | Stand-by power supply |
| US5594735A (en) * | 1992-04-10 | 1997-01-14 | Nec Corporation | TDMA mobile unit frequency synthesizer having power saving mode during transmit and receive slots |
| NZ260221A (en) * | 1993-05-19 | 1996-09-25 | Alcatel Australia | Series regulator for bleed current |
| FR2758930A1 (fr) * | 1997-01-28 | 1998-07-31 | Philips Electronics Nv | Circuit d'alimentation absorbant un courant constant et appareil telephonique mettant en oeuvre un tel circuit |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB752055A (en) * | 1953-10-02 | 1956-07-04 | Philips Electrical Ind Ltd | Improvements in or relating to electric supply circuits |
| GB766378A (en) * | 1954-08-11 | 1957-01-23 | Mullard Radio Valve Co Ltd | Improvements in or relating to voltage stabilising circuits |
| DE1059549B (de) * | 1955-11-07 | 1959-06-18 | Kienzle Apparate Gmbh | Anordnung zur Entnahme einer konstanten Spannung aus einer Stromquelle nicht konstanter Spannung |
| US3599073A (en) * | 1968-12-18 | 1971-08-10 | Texas Instruments Inc | Voltage-regulated power supply with standby power capability |
| US4232200A (en) * | 1978-10-23 | 1980-11-04 | United Networks, Inc. | Dialing system |
| JPS5987842A (ja) * | 1982-11-10 | 1984-05-21 | Toshiba Corp | Ic/lsiソケツト |
| US4492876A (en) * | 1983-07-18 | 1985-01-08 | At&T Bell Laboratories | Power supply switching arrangement |
| US4547629A (en) * | 1984-02-06 | 1985-10-15 | Comdial Technology Corporation | Energy management circuit |
-
1985
- 1985-12-02 IT IT23054/85A patent/IT1186131B/it active
-
1986
- 1986-11-14 BE BE0/217410A patent/BE905756A/fr not_active IP Right Cessation
- 1986-11-25 GB GB08628176A patent/GB2183942A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| IT8523054A0 (it) | 1985-12-02 |
| BE905756A (fr) | 1987-03-02 |
| GB8628176D0 (en) | 1986-12-31 |
| GB2183942A (en) | 1987-06-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IT1188424B (it) | Dispositivo di raffreddamento | |
| ES556823A0 (es) | Un disyuntor de circuito electrico | |
| KR880700482A (ko) | 전기 회로 장치 | |
| IT1223064B (it) | Circuito per commutazione di corrente | |
| BR8602144A (pt) | Disjuntor de circuito | |
| DK316187D0 (da) | Elektriske terminal | |
| DK174886D0 (da) | Elektrisk forbindelse | |
| IT1190031B (it) | Circuito di collegamento | |
| GB2183967B (en) | Constant power telephone line circuit | |
| IT1186131B (it) | Circuito di alimentazione per apparecchi telefonici | |
| IT1186062B (it) | Circuito elettrico di comando | |
| IT1188434B (it) | Disposizione circuitale | |
| BR8607028A (pt) | Circuito de comutacao adaptavel | |
| IT8667791A0 (it) | Circuito elettronico di interfaccia bipolare | |
| DK174986D0 (da) | Elektrisk forbindelse | |
| DK120786D0 (da) | Elektrisk kredsloeb | |
| IT1197334B (it) | Apparecchio di collegamento elettrico | |
| IT1186194B (it) | Circuito sfasatore-equalizzatore | |
| BR8500278A (pt) | Circuito de sigilo telefonico | |
| KR870004379U (ko) | 전원차단 지연회로 | |
| KR860011070U (ko) | 전원자동 오프회로 | |
| KR880700356A (ko) | 회로 배열의 변형 장치 | |
| KR870011386U (ko) | 직류 전원의 전력 손실방지 장치 | |
| KR860012494U (ko) | 전원회로 | |
| SE8503644D0 (sv) | Kraftanordningar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19961218 |