CN106060749B - A kind of calibration method for electro-acoustic element testing impedance - Google Patents
A kind of calibration method for electro-acoustic element testing impedance Download PDFInfo
- Publication number
- CN106060749B CN106060749B CN201610411632.6A CN201610411632A CN106060749B CN 106060749 B CN106060749 B CN 106060749B CN 201610411632 A CN201610411632 A CN 201610411632A CN 106060749 B CN106060749 B CN 106060749B
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- resistance
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- 238000012360 testing method Methods 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 56
- 238000005259 measurement Methods 0.000 claims abstract description 20
- 230000005611 electricity Effects 0.000 claims description 7
- 238000005457 optimization Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 9
- 238000005070 sampling Methods 0.000 description 5
- 238000000691 measurement method Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
- H04R29/003—Monitoring arrangements; Testing arrangements for loudspeakers of the moving-coil type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/004—Monitoring arrangements; Testing arrangements for microphones
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610411632.6A CN106060749B (en) | 2016-06-14 | 2016-06-14 | A kind of calibration method for electro-acoustic element testing impedance |
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CN201610411632.6A CN106060749B (en) | 2016-06-14 | 2016-06-14 | A kind of calibration method for electro-acoustic element testing impedance |
Publications (2)
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CN106060749A CN106060749A (en) | 2016-10-26 |
CN106060749B true CN106060749B (en) | 2019-04-09 |
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CN201610411632.6A Active CN106060749B (en) | 2016-06-14 | 2016-06-14 | A kind of calibration method for electro-acoustic element testing impedance |
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Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107422192B (en) * | 2017-08-02 | 2020-05-08 | 广州市锐丰音响科技股份有限公司 | Audio equipment input impedance measuring method and device and measurement and verification method and device |
CN107569229B (en) * | 2017-09-04 | 2021-02-02 | 歌尔科技有限公司 | Biological impedance measuring method and device and electronic equipment |
CN108828315B (en) * | 2018-06-26 | 2020-12-08 | 浙江豪声电子科技股份有限公司 | Mobile terminal loudspeaker impedance measuring circuit, loudspeaker circuit and mobile terminal |
CN111050263B (en) * | 2019-11-07 | 2021-11-02 | 潍坊歌尔微电子有限公司 | Microphone load impedance testing system and method |
CN111007393A (en) * | 2020-03-10 | 2020-04-14 | 广东电网有限责任公司佛山供电局 | High-voltage circuit breaker loop resistance test circuit |
CN113543009B (en) * | 2021-07-27 | 2023-03-31 | 深圳市盈柯纳科技有限公司 | Quality inspection device of electromagnetic sound pickup |
CN113820646A (en) * | 2021-09-16 | 2021-12-21 | 国网四川省电力公司营销服务中心 | Electronic transformer checking method and system |
CN117214649B (en) * | 2023-11-07 | 2024-07-02 | 珠海格力电子元器件有限公司 | Power device testing device and method |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101251557A (en) * | 2008-03-21 | 2008-08-27 | 苏州长新微电子有限公司 | Built-in permanence resistor automatic calibration method for high-precision circuit |
CN101710157A (en) * | 2009-12-14 | 2010-05-19 | 南京师范大学 | EMI internal impedance measuring method based on double-resistance calibration and Marquardt method |
CN101937066A (en) * | 2009-07-02 | 2011-01-05 | 臧佳菁 | Self-calibrating method of internal reference resistors of multi-range digital electronic measuring instrument |
CN103197109A (en) * | 2013-02-22 | 2013-07-10 | 云南电力试验研究院(集团)有限公司电力研究院 | Circuit impedance used for electric parameter precision measurement and voltage active compensator |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US9215749B2 (en) * | 2013-03-14 | 2015-12-15 | Cirrus Logic, Inc. | Reducing an acoustic intensity vector with adaptive noise cancellation with two error microphones |
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2016
- 2016-06-14 CN CN201610411632.6A patent/CN106060749B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101251557A (en) * | 2008-03-21 | 2008-08-27 | 苏州长新微电子有限公司 | Built-in permanence resistor automatic calibration method for high-precision circuit |
CN101937066A (en) * | 2009-07-02 | 2011-01-05 | 臧佳菁 | Self-calibrating method of internal reference resistors of multi-range digital electronic measuring instrument |
CN101710157A (en) * | 2009-12-14 | 2010-05-19 | 南京师范大学 | EMI internal impedance measuring method based on double-resistance calibration and Marquardt method |
CN103197109A (en) * | 2013-02-22 | 2013-07-10 | 云南电力试验研究院(集团)有限公司电力研究院 | Circuit impedance used for electric parameter precision measurement and voltage active compensator |
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CN106060749A (en) | 2016-10-26 |
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TA01 | Transfer of patent application right |
Effective date of registration: 20190320 Address after: 322100 No. 11, Second Road, Hengdian Town, Dongyang City, Jinhua City, Zhejiang Province Applicant after: Dongyang City Hongtaiyang Audio Co.,Ltd. Address before: 323913 169 Wu Cun, Zhang Cun, Qingtian County, Lishui, Zhejiang Applicant before: Wang Jian |
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TA01 | Transfer of patent application right | ||
CP01 | Change in the name or title of a patent holder |
Address after: 322100 No. 11, Second Road, Hengdian Town, Dongyang City, Jinhua City, Zhejiang Province Patentee after: Dongyang red sun electroacoustic Co.,Ltd. Address before: 322100 No. 11, Second Road, Hengdian Town, Dongyang City, Jinhua City, Zhejiang Province Patentee before: Dongyang City Hongtaiyang Audio Co.,Ltd. Address after: 322100 No. 11, Second Road, Hengdian Town, Dongyang City, Jinhua City, Zhejiang Province Patentee after: Zhejiang Hansheng Electric Appliance Co.,Ltd. Address before: 322100 No. 11, Second Road, Hengdian Town, Dongyang City, Jinhua City, Zhejiang Province Patentee before: Dongyang red sun electroacoustic Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A calibration method for impedance testing of electroacoustic devices Granted publication date: 20190409 Pledgee: Zhejiang Zhongzhou Commercial Bank Co.,Ltd. Dongyang Hengdian Small and Micro Enterprise Specialized Branch Pledgor: Zhejiang Hansheng Electric Appliance Co.,Ltd. Registration number: Y2024980000999 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |