CA2759143C - System and method for microphone polarity detection - Google Patents
System and method for microphone polarity detection Download PDFInfo
- Publication number
- CA2759143C CA2759143C CA2759143A CA2759143A CA2759143C CA 2759143 C CA2759143 C CA 2759143C CA 2759143 A CA2759143 A CA 2759143A CA 2759143 A CA2759143 A CA 2759143A CA 2759143 C CA2759143 C CA 2759143C
- Authority
- CA
- Canada
- Prior art keywords
- line
- microphone
- ground
- detection signal
- signal
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 104
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000011159 matrix material Substances 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims 3
- 230000003071 parasitic effect Effects 0.000 claims 1
- 101150087393 PIN3 gene Proteins 0.000 description 15
- 108010037490 Peptidyl-Prolyl Cis-Trans Isomerase NIMA-Interacting 4 Proteins 0.000 description 15
- 102100031653 Peptidyl-prolyl cis-trans isomerase NIMA-interacting 4 Human genes 0.000 description 15
- 238000010586 diagram Methods 0.000 description 11
- 238000005259 measurement Methods 0.000 description 7
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 108010059419 NIMA-Interacting Peptidylprolyl Isomerase Proteins 0.000 description 4
- 102100026114 Peptidyl-prolyl cis-trans isomerase NIMA-interacting 1 Human genes 0.000 description 4
- 102000007315 Telomeric Repeat Binding Protein 1 Human genes 0.000 description 4
- 108010033711 Telomeric Repeat Binding Protein 1 Proteins 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 101100190527 Arabidopsis thaliana PIN5 gene Proteins 0.000 description 1
- 101100190530 Arabidopsis thaliana PIN8 gene Proteins 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Circuit For Audible Band Transducer (AREA)
- Telephone Function (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20100193223 EP2458891B1 (en) | 2010-11-30 | 2010-11-30 | System and method for microphone polarity detection |
| EP10193223.4 | 2010-11-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2759143A1 CA2759143A1 (en) | 2012-05-30 |
| CA2759143C true CA2759143C (en) | 2015-05-19 |
Family
ID=43901370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2759143A Active CA2759143C (en) | 2010-11-30 | 2011-11-23 | System and method for microphone polarity detection |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2458891B1 (zh) |
| CN (1) | CN102480670B (zh) |
| CA (1) | CA2759143C (zh) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6377678B1 (en) * | 1999-04-01 | 2002-04-23 | Knowles Electronics, Llc | Telephone handset emulator |
| US7450726B2 (en) * | 2004-03-11 | 2008-11-11 | Texas Instruments Incorporated | Headset detector in a device generating audio signals |
| KR100907451B1 (ko) * | 2004-10-25 | 2009-07-13 | 노키아 코포레이션 | 비디오／오디오 플러그를 통하여 전자 장치에 연결된 주변장치의 감지, 식별 및 동작 |
-
2010
- 2010-11-30 EP EP20100193223 patent/EP2458891B1/en active Active
-
2011
- 2011-11-23 CA CA2759143A patent/CA2759143C/en active Active
- 2011-11-24 CN CN201110378057.1A patent/CN102480670B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP2458891A1 (en) | 2012-05-30 |
| CN102480670B (zh) | 2015-07-01 |
| CN102480670A (zh) | 2012-05-30 |
| EP2458891B1 (en) | 2014-04-02 |
| CA2759143A1 (en) | 2012-05-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |