CN1057183C - 铃流发生器的缓起动与过流保护电路 - Google Patents
铃流发生器的缓起动与过流保护电路 Download PDFInfo
- Publication number
- CN1057183C CN1057183C CN98115895A CN98115895A CN1057183C CN 1057183 C CN1057183 C CN 1057183C CN 98115895 A CN98115895 A CN 98115895A CN 98115895 A CN98115895 A CN 98115895A CN 1057183 C CN1057183 C CN 1057183C
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- diode
- triode
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- collector electrode
- anode
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- 230000000087 stabilizing effect Effects 0.000 claims description 17
- 238000005070 sampling Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN98115895A CN1057183C (zh) | 1998-08-15 | 1998-08-15 | 铃流发生器的缓起动与过流保护电路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN98115895A CN1057183C (zh) | 1998-08-15 | 1998-08-15 | 铃流发生器的缓起动与过流保护电路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1219816A CN1219816A (zh) | 1999-06-16 |
CN1057183C true CN1057183C (zh) | 2000-10-04 |
Family
ID=5224839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98115895A Expired - Lifetime CN1057183C (zh) | 1998-08-15 | 1998-08-15 | 铃流发生器的缓起动与过流保护电路 |
Country Status (1)
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CN (1) | CN1057183C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100342647C (zh) * | 2004-03-23 | 2007-10-10 | 华为技术有限公司 | 一种正电源输入负载上电缓启动的电路 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100546327C (zh) * | 2005-12-21 | 2009-09-30 | 华为技术有限公司 | 一种在通讯设备中的铃流控制方法及装置 |
CN112310937B (zh) * | 2020-10-16 | 2022-11-04 | 浪潮电子信息产业股份有限公司 | 一种缓启动保护电路及电路保护集成芯片 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4370526A (en) * | 1980-02-12 | 1983-01-25 | U.S. Philips Corporation | Arrangement for applying a ringing voltage to a subscriber's line |
GB2102249A (en) * | 1981-07-09 | 1983-01-26 | Int Standard Electric Corp | Telephone line circuit |
CN1060744A (zh) * | 1990-10-12 | 1992-04-29 | 雷伊化学有限公司 | 过电流保护装置 |
CN1138399A (zh) * | 1994-01-21 | 1996-12-18 | 艾利森电话股份有限公司 | 产生振铃信号的一种方法和一种装置 |
-
1998
- 1998-08-15 CN CN98115895A patent/CN1057183C/zh not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4370526A (en) * | 1980-02-12 | 1983-01-25 | U.S. Philips Corporation | Arrangement for applying a ringing voltage to a subscriber's line |
GB2102249A (en) * | 1981-07-09 | 1983-01-26 | Int Standard Electric Corp | Telephone line circuit |
CN1060744A (zh) * | 1990-10-12 | 1992-04-29 | 雷伊化学有限公司 | 过电流保护装置 |
CN1138399A (zh) * | 1994-01-21 | 1996-12-18 | 艾利森电话股份有限公司 | 产生振铃信号的一种方法和一种装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100342647C (zh) * | 2004-03-23 | 2007-10-10 | 华为技术有限公司 | 一种正电源输入负载上电缓启动的电路 |
Also Published As
Publication number | Publication date |
---|---|
CN1219816A (zh) | 1999-06-16 |
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C10 | Entry into substantive examination | ||
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C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SHENZHEN ANSHENG ELECTRICAL CO., LTD. Free format text: FORMER OWNER: SHENZHEN HUAWEI ELECTRICAL CO., LTD. Effective date: 20010709 |
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C19 | Lapse of patent right due to non-payment of the annual fee | ||
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CF01 | Termination of patent right due to non-payment of annual fee | ||
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Effective date of registration: 20010709 Address after: 518129, Guangdong Province, Shenzhen District, Longgang District HUAWEI industrial base, the first floor, the third floor of the electrical plant Patentee after: Ansheng Electric Co., Ltd., Shenzhen City Address before: 518054, Guangdong Province, Shenzhen, Nanshan District Nanshan Road, meaning building, five floor Patentee before: Huawei Electric Co., Ltd., Shenzhen |
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C56 | Change in the name or address of the patentee |
Owner name: EMERSON NETWORK POWER CO., LTD Free format text: FORMER NAME OR ADDRESS: SHENZHEN ANSHENG ELECTRICAL CO., LTD. |
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CP01 | Change in the name or title of a patent holder |
Patentee after: Aimosheng Network Energy Source Co., Ltd. Patentee before: Ansheng Electric Co., Ltd., Shenzhen City |
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CX01 | Expiry of patent term |
Granted publication date: 20001004 |
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CX01 | Expiry of patent term |