CN1819389A - 用于限制振铃电流的电路结构 - Google Patents
用于限制振铃电流的电路结构 Download PDFInfo
- Publication number
- CN1819389A CN1819389A CNA2006100089557A CN200610008955A CN1819389A CN 1819389 A CN1819389 A CN 1819389A CN A2006100089557 A CNA2006100089557 A CN A2006100089557A CN 200610008955 A CN200610008955 A CN 200610008955A CN 1819389 A CN1819389 A CN 1819389A
- Authority
- CN
- China
- Prior art keywords
- circuit structure
- transistor
- terminal
- resistor
- current
- 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
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/738—Interface circuits for coupling substations to external telephone lines
- H04M1/74—Interface circuits for coupling substations to external telephone lines with means for reducing interference; with means for reducing effects due to line faults
- H04M1/745—Protection devices or circuits for voltages surges on the line
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/18—Automatic or semi-automatic exchanges with means for reducing interference or noise; with means for reducing effects due to line faults with means for protecting lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/02—Calling substations, e.g. by ringing
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Electronic Switches (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005003258A DE102005003258B3 (de) | 2005-01-24 | 2005-01-24 | Schaltungsanordnung zum Begrenzen eines Klingelstroms |
DE102005003258.3 | 2005-01-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1819389A true CN1819389A (zh) | 2006-08-16 |
CN100539351C CN100539351C (zh) | 2009-09-09 |
Family
ID=36274041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006100089557A Expired - Fee Related CN100539351C (zh) | 2005-01-24 | 2006-01-24 | 用于限制振铃电流的电路结构 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7330063B2 (zh) |
CN (1) | CN100539351C (zh) |
DE (1) | DE102005003258B3 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109479037A (zh) * | 2016-07-29 | 2019-03-15 | 株式会社电装 | 振铃抑制电路 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2212997B1 (en) * | 2007-10-05 | 2013-03-06 | Telefonaktiebolaget LM Ericsson (publ) | Drive circuit for a power switch component |
DE102015103713A1 (de) * | 2015-02-02 | 2016-08-04 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Einschaltstrombegrenzung |
JP7092612B2 (ja) * | 2018-08-22 | 2022-06-28 | 株式会社Soken | 電子制御装置 |
US11545824B2 (en) * | 2018-10-11 | 2023-01-03 | Texas Instruments Incorporated | USB short circuit protection |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3656025A (en) * | 1971-05-04 | 1972-04-11 | Denes Roveti | Current limiter |
US4021617A (en) * | 1976-01-12 | 1977-05-03 | Bell Telephone Laboratories, Incorporated | Telephone ringer isolator |
US4533970A (en) * | 1983-06-27 | 1985-08-06 | Motorola, Inc. | Series current limiter |
US5337208A (en) * | 1991-12-18 | 1994-08-09 | Nec America, Inc. | In-line AC current limiter |
TW265482B (zh) * | 1994-06-01 | 1995-12-11 | Siemens Akitengesellschaft | |
US5729418A (en) * | 1996-08-29 | 1998-03-17 | Supertex, Inc. | High voltage current limiting protection circuit and method therefor |
AU2000268991A1 (en) * | 2000-08-10 | 2002-02-25 | Paradyne Corporation | Filter system and method to suppress interference imposed upon a frequency-division multiplexed channel |
US6525919B2 (en) * | 2001-01-24 | 2003-02-25 | Intersil Americas Inc. | Current limiting switch and related method |
-
2005
- 2005-01-24 DE DE102005003258A patent/DE102005003258B3/de not_active Expired - Fee Related
-
2006
- 2006-01-20 US US11/336,108 patent/US7330063B2/en not_active Expired - Fee Related
- 2006-01-24 CN CNB2006100089557A patent/CN100539351C/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109479037A (zh) * | 2016-07-29 | 2019-03-15 | 株式会社电装 | 振铃抑制电路 |
Also Published As
Publication number | Publication date |
---|---|
US20060164777A1 (en) | 2006-07-27 |
US7330063B2 (en) | 2008-02-12 |
CN100539351C (zh) | 2009-09-09 |
DE102005003258B3 (de) | 2006-05-18 |
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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 | ||
C56 | Change in the name or address of the patentee |
Owner name: LANTIQ DEUTSCHLAND GMBH Free format text: FORMER NAME: INFINEON TECHNOLOGIES WIRELESS SOLUTIONS AB Owner name: INFINEON TECHNOLOGIES WIRELESS SOLUTIONS AB Free format text: FORMER NAME: INFINEON TECHNOLOGIES AG Owner name: INFINEON TECHNOLOGIES AG Free format text: FORMER NAME: INFENNIAN TECHNOLOGIES AG |
|
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 |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20160124 |
|
EXPY | Termination of patent right or utility model |