CN1225146C - 免调试、无触点汽车电喇叭 - Google Patents
免调试、无触点汽车电喇叭 Download PDFInfo
- Publication number
- CN1225146C CN1225146C CN 01128202 CN01128202A CN1225146C CN 1225146 C CN1225146 C CN 1225146C CN 01128202 CN01128202 CN 01128202 CN 01128202 A CN01128202 A CN 01128202A CN 1225146 C CN1225146 C CN 1225146C
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- CN
- China
- Prior art keywords
- circuit
- detection feedback
- sound detection
- feedback circuit
- sound
- 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.)
- Expired - Lifetime
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- 238000001514 detection method Methods 0.000 claims abstract description 22
- 230000005669 field effect Effects 0.000 claims description 19
- 230000003292 diminished effect Effects 0.000 abstract description 2
- 239000003381 stabilizer Substances 0.000 abstract description 2
- 230000006698 induction Effects 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 10
- 230000002889 sympathetic effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- 244000145845 chattering Species 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
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- Circuit For Audible Band Transducer (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 01128202 CN1225146C (zh) | 2001-09-26 | 2001-09-26 | 免调试、无触点汽车电喇叭 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 01128202 CN1225146C (zh) | 2001-09-26 | 2001-09-26 | 免调试、无触点汽车电喇叭 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1408582A CN1408582A (zh) | 2003-04-09 |
CN1225146C true CN1225146C (zh) | 2005-10-26 |
Family
ID=4668084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 01128202 Expired - Lifetime CN1225146C (zh) | 2001-09-26 | 2001-09-26 | 免调试、无触点汽车电喇叭 |
Country Status (1)
Country | Link |
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CN (1) | CN1225146C (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108848438A (zh) * | 2018-08-21 | 2018-11-20 | 佛山市天响机车配件有限公司 | 一种电子喇叭 |
-
2001
- 2001-09-26 CN CN 01128202 patent/CN1225146C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1408582A (zh) | 2003-04-09 |
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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: HARBIN INSTITUTE OF TECHNOLOGY GOODTIME ELECTRONIC Free format text: FORMER OWNER: TONG DEYI Effective date: 20091120 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20091120 Address after: No. 1, Dalian North Road, cottage District, Heilongjiang, Harbin Patentee after: Gutai Electronic Co., Ltd., Harbin Univ. of Technology Address before: Liaoning Province Xifeng County bridge circuit of the vehicle repair department Patentee before: Tong Deyi |
|
CX01 | Expiry of patent term |
Granted publication date: 20051026 |
|
CX01 | Expiry of patent term |