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 |
GB8628176D0 (en) | 1986-12-31 |
GB2183942A (en) | 1987-06-10 |
BE905756A (fr) | 1987-03-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19961218 |