CN1165597A - 驱动级 - Google Patents
驱动级 Download PDFInfo
- Publication number
- CN1165597A CN1165597A CN95196150.0A CN95196150A CN1165597A CN 1165597 A CN1165597 A CN 1165597A CN 95196150 A CN95196150 A CN 95196150A CN 1165597 A CN1165597 A CN 1165597A
- Authority
- CN
- China
- Prior art keywords
- stage
- driving
- driving stage
- current
- differential amplifier
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
- H04M19/005—Feeding arrangements without the use of line transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Devices For Supply Of Signal Current (AREA)
Abstract
Description
Claims (2)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9403875A SE503688C2 (sv) | 1994-11-10 | 1994-11-10 | Drivsteg |
SE94038759 | 1994-11-10 | ||
SE9403875-9 | 1994-11-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1165597A true CN1165597A (zh) | 1997-11-19 |
CN1089506C CN1089506C (zh) | 2002-08-21 |
Family
ID=20395927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN95196150.0A Expired - Lifetime CN1089506C (zh) | 1994-11-10 | 1995-11-08 | 驱动级 |
Country Status (13)
Country | Link |
---|---|
US (1) | US5901221A (zh) |
EP (1) | EP0791245B1 (zh) |
JP (1) | JPH10513018A (zh) |
KR (1) | KR100390387B1 (zh) |
CN (1) | CN1089506C (zh) |
AU (1) | AU4680396A (zh) |
CA (1) | CA2204873A1 (zh) |
DE (1) | DE69526447T2 (zh) |
ES (1) | ES2176361T3 (zh) |
FI (1) | FI971888A (zh) |
HK (1) | HK1007069A1 (zh) |
SE (1) | SE503688C2 (zh) |
WO (1) | WO1996015592A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6738855B1 (en) | 2000-01-14 | 2004-05-18 | National Semiconductor Corporation | Communication interface between a TTL microcontroller and a RS232 Device avoiding level translation |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8103572A (nl) * | 1981-07-29 | 1983-02-16 | Philips Nv | Drijverschakeling. |
FR2577737B1 (fr) * | 1985-02-15 | 1987-04-17 | Thomson Csf | Circuit d'interface de ligne d'abonne telephonique avec mode de veille a puissance reduite |
IT1215254B (it) * | 1985-03-20 | 1990-01-31 | Ates Componenti Elettron | Circuito, integrabile monoliticamente, per la misura di correnti longitudinali e trasversali in una linea ditrasmissione bifilare. |
US4841175A (en) * | 1987-01-23 | 1989-06-20 | Siemens Aktiengesellschaft | ECL-compatible input/output circuits in CMOS technology |
NL9001966A (nl) * | 1990-09-06 | 1992-04-01 | Philips Nv | Versterkerschakeling. |
JPH0595231A (ja) * | 1991-10-03 | 1993-04-16 | Nec Corp | 出力回路 |
EP0622943B1 (en) * | 1993-04-30 | 2001-09-12 | STMicroelectronics S.r.l. | Power management circuit for a subscriber line interface circuit |
SE501975C2 (sv) * | 1993-11-09 | 1995-07-03 | Ericsson Telefon Ab L M | Gränssnittskrets mellan fyrtrådsledning och tvåtrådsledning |
US5649009A (en) * | 1994-11-14 | 1997-07-15 | Harris Corporation | Differential longitudinal amplifier for a subscriber line interface circuit |
-
1994
- 1994-11-10 SE SE9403875A patent/SE503688C2/sv not_active IP Right Cessation
-
1995
- 1995-11-08 EP EP95944466A patent/EP0791245B1/en not_active Expired - Lifetime
- 1995-11-08 CN CN95196150.0A patent/CN1089506C/zh not_active Expired - Lifetime
- 1995-11-08 US US08/836,226 patent/US5901221A/en not_active Expired - Lifetime
- 1995-11-08 ES ES95944466T patent/ES2176361T3/es not_active Expired - Lifetime
- 1995-11-08 AU AU46803/96A patent/AU4680396A/en not_active Abandoned
- 1995-11-08 WO PCT/SE1995/001322 patent/WO1996015592A1/en active IP Right Grant
- 1995-11-08 KR KR1019970703078A patent/KR100390387B1/ko not_active IP Right Cessation
- 1995-11-08 JP JP8515976A patent/JPH10513018A/ja not_active Ceased
- 1995-11-08 CA CA002204873A patent/CA2204873A1/en not_active Abandoned
- 1995-11-08 DE DE69526447T patent/DE69526447T2/de not_active Expired - Lifetime
-
1997
- 1997-05-02 FI FI971888A patent/FI971888A/fi unknown
-
1998
- 1998-04-14 HK HK98106240A patent/HK1007069A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ES2176361T3 (es) | 2002-12-01 |
CA2204873A1 (en) | 1996-05-23 |
CN1089506C (zh) | 2002-08-21 |
FI971888A0 (fi) | 1997-05-02 |
US5901221A (en) | 1999-05-04 |
DE69526447D1 (de) | 2002-05-23 |
EP0791245B1 (en) | 2002-04-17 |
HK1007069A1 (en) | 1999-04-01 |
SE9403875D0 (sv) | 1994-11-10 |
JPH10513018A (ja) | 1998-12-08 |
SE503688C2 (sv) | 1996-07-29 |
AU4680396A (en) | 1996-06-06 |
EP0791245A1 (en) | 1997-08-27 |
DE69526447T2 (de) | 2002-09-19 |
KR100390387B1 (ko) | 2003-08-30 |
FI971888A (fi) | 1997-05-02 |
WO1996015592A1 (en) | 1996-05-23 |
SE9403875L (sv) | 1996-05-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: INFINEON TECHNOLOGIES AG Free format text: FORMER OWNER: ELLISON TELEPHONE CO., LTD. Effective date: 20040827 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20040827 Address after: Munich, Germany Patentee after: INFINEON TECHNOLOGIES AG Address before: Stockholm Patentee before: Telefonaktiebolaget LM Ericsson |
|
C56 | Change in the name or address of the patentee |
Owner name: INFINEON TECHNOLOGIES AG Free format text: FORMER NAME: INFENNIAN TECHNOLOGIES AG Owner name: INFINEON TECHNOLOGIES WIRELESS SOLUTIONS AB Free format text: FORMER NAME: INFINEON TECHNOLOGIES AG Owner name: LANTIQ DEUTSCHLAND GMBH Free format text: FORMER NAME: INFINEON TECHNOLOGIES WIRELESS SOLUTIONS AB |
|
CP01 | Change in the name or title of a patent holder |
Address after: German Neubiberg Patentee after: Lantiq Deutschland GmbH Address before: German Neubiberg Patentee before: Infineon Technologies Wireless Solutions Ltd. Address after: German Neubiberg Patentee after: Infineon Technologies Wireless Solutions Ltd. Address before: German Neubiberg Patentee before: Infineon Technologies AG |
|
CP03 | Change of name, title or address |
Address after: German Neubiberg Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: INFINEON TECHNOLOGIES AG |
|
CX01 | Expiry of patent term |
Granted publication date: 20020821 |
|
EXPY | Termination of patent right or utility model |