KR20040019992A - 톤 검출기 및 그 방법 - Google Patents
톤 검출기 및 그 방법 Download PDFInfo
- Publication number
- KR20040019992A KR20040019992A KR1020030059844A KR20030059844A KR20040019992A KR 20040019992 A KR20040019992 A KR 20040019992A KR 1020030059844 A KR1020030059844 A KR 1020030059844A KR 20030059844 A KR20030059844 A KR 20030059844A KR 20040019992 A KR20040019992 A KR 20040019992A
- Authority
- KR
- South Korea
- Prior art keywords
- tone
- component
- format
- symbol
- frequency
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000001514 detection method Methods 0.000 claims description 45
- 238000001914 filtration Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 abstract description 11
- 239000004020 conductor Substances 0.000 description 46
- 229910003460 diamond Inorganic materials 0.000 description 35
- 239000010432 diamond Substances 0.000 description 35
- 238000004891 communication Methods 0.000 description 24
- 238000004364 calculation method Methods 0.000 description 20
- 230000006870 function Effects 0.000 description 19
- 238000012545 processing Methods 0.000 description 16
- 238000007781 pre-processing Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 13
- 230000002457 bidirectional effect Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 238000005070 sampling Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 3
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- 238000012790 confirmation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/02—Calling substations, e.g. by ringing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
- H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
- H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
- H04Q1/4575—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals which are transmitted in digital form
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephone Function (AREA)
- Circuits Of Receivers In General (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02292110A EP1395065B1 (en) | 2002-08-28 | 2002-08-28 | Tone detector and method therefor |
| EP02292110.0 | 2002-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20040019992A true KR20040019992A (ko) | 2004-03-06 |
Family
ID=31197975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020030059844A Ceased KR20040019992A (ko) | 2002-08-28 | 2003-08-28 | 톤 검출기 및 그 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7529363B2 (https=) |
| EP (1) | EP1395065B1 (https=) |
| JP (1) | JP2004135309A (https=) |
| KR (1) | KR20040019992A (https=) |
| AT (1) | ATE352953T1 (https=) |
| DE (1) | DE60217859T2 (https=) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10327578A1 (de) * | 2003-06-18 | 2005-01-13 | Micronas Gmbh | Verfahren und Vorrichtung zur Filterung eines Signals |
| US7844048B2 (en) | 2004-03-08 | 2010-11-30 | Freescale Semiconductor, Inc. | Selective tone event detector and method therefor |
| JP4793539B2 (ja) | 2005-03-29 | 2011-10-12 | 日本電気株式会社 | 符号変換方法及び装置とプログラム並びにその記憶媒体 |
| US7639598B2 (en) * | 2006-01-31 | 2009-12-29 | Szabolcs Sovenyi | Simultaneous full-duplex communication over a single electrical conductor |
| US8483384B2 (en) * | 2006-03-06 | 2013-07-09 | Freescale Semiconductor, Inc. | Enhanced tone detector including adaptive multi-bandpass filter for tone detection and enhancement |
| US7653141B2 (en) * | 2006-03-31 | 2010-01-26 | Panasonic Corporation | Multi-band OFDM UWB communication systems having improved frequency diversity |
| US7590419B2 (en) | 2006-05-12 | 2009-09-15 | Freescale Semiconductor, Inc. | Frequency correction channel burst detector in a GSM/EDGE communication system |
| ES2895268T3 (es) * | 2008-03-20 | 2022-02-18 | Fraunhofer Ges Forschung | Aparato y método para modificar una representación parametrizada |
| ATE541410T1 (de) * | 2008-06-30 | 2012-01-15 | Freescale Semiconductor Inc | Mehrfrequenztondetektor |
| WO2010007468A1 (en) | 2008-07-16 | 2010-01-21 | Freescale Semiconductor, Inc. | Method and apparatus for detecting one or more predetermined tones transmitted over a communication network |
| US10148389B1 (en) * | 2013-08-28 | 2018-12-04 | The United States Of America, As Represented By The Secretary Of The Army | Detection and identification of synchronizing signals embedded in voice or data |
| US9190955B2 (en) * | 2013-10-23 | 2015-11-17 | Mitsubishi Electric Research Laboratories, Inc. | Method for separating multi-component signals |
| DE102014201119A1 (de) * | 2014-01-22 | 2015-07-23 | Siemens Aktiengesellschaft | Sendevorrichtung zum Übertragen eines frequenzmodulierten Signals |
| JP6291548B2 (ja) * | 2016-09-12 | 2018-03-14 | Kddi株式会社 | 通信端末、ｄｔｍｆ信号識別方法、及びｄｔｍｆ信号識別用プログラム |
Family Cites Families (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3578919A (en) * | 1968-12-30 | 1971-05-18 | Bell Telephone Labor Inc | Time compression tone detector |
| JPS5831139B2 (ja) * | 1978-10-06 | 1983-07-04 | 日本電信電話株式会社 | デイジタル信号受信器 |
| US4363100A (en) | 1980-10-28 | 1982-12-07 | Northern Telecom Limited | Detection of tones in sampled signals |
| JPS60121856A (ja) | 1983-12-06 | 1985-06-29 | Nec Corp | 単一周波数信号検出回路 |
| US4521647A (en) * | 1984-02-17 | 1985-06-04 | Octel Communications, Inc. | Tone detection system and method |
| JPS61121685A (ja) * | 1984-11-19 | 1986-06-09 | Hitachi Ltd | 信号受信方式 |
| FR2597690B1 (fr) | 1986-04-22 | 1988-06-10 | Trt Telecom Radio Electr | Appareil de detection et de discrimination de sauts de phase dans un signal periodique et application a un signal telephonique de tonalite avec inversions de phase. |
| US4839842A (en) | 1987-07-24 | 1989-06-13 | Advanced Micro Devices | Digital tone detection and generation |
| US5274579A (en) * | 1990-01-02 | 1993-12-28 | Motorola, Inc. | Digital tone detector |
| FI89659C (fi) | 1991-11-04 | 1993-10-25 | Nokia Telecommunications Oy | Foerfarande foer identifiering av en spaerrsignal hos en ekoslaeckare |
| US5214708A (en) * | 1991-12-16 | 1993-05-25 | Mceachern Robert H | Speech information extractor |
| EP0548438A1 (en) * | 1991-12-20 | 1993-06-30 | International Business Machines Corporation | A method for detecting dual tone multi-frequency signals and device for implementing said method |
| JP3027047B2 (ja) | 1992-01-29 | 2000-03-27 | キヤノン株式会社 | Ｄｔｍｆ信号検出装置及び方法 |
| US5392347A (en) | 1992-02-19 | 1995-02-21 | Nec Corporation | Ringing tone signal detecting circuit |
| JP2707911B2 (ja) * | 1992-03-03 | 1998-02-04 | ヤマハ株式会社 | 楽音合成装置 |
| US5353346A (en) * | 1992-12-22 | 1994-10-04 | Mpr Teltech, Limited | Multi-frequency signal detector and classifier |
| US5604771A (en) * | 1994-10-04 | 1997-02-18 | Quiros; Robert | System and method for transmitting sound and computer data |
| JPH0951562A (ja) * | 1995-08-07 | 1997-02-18 | Fujitsu Ltd | Ｄｓｐ搭載装置の機能拡張システム |
| US5689556A (en) | 1995-09-15 | 1997-11-18 | Hughes Electronics | Method of detecting narrow-band signals in an echo canceller |
| RU2142670C1 (ru) | 1995-11-16 | 1999-12-10 | Самсунг Электроникс Ко., Лтд. | Устройство линейного усиления мощности |
| US5815568A (en) | 1996-01-31 | 1998-09-29 | Telefoanktiebolaget Lm Ericsson | Disabling tone detector for network echo canceller |
| US5920834A (en) | 1997-01-31 | 1999-07-06 | Qualcomm Incorporated | Echo canceller with talk state determination to control speech processor functional elements in a digital telephone system |
| US6006083A (en) | 1997-09-11 | 1999-12-21 | Nortel Networks Corporation | Tone detection |
| JPH11163748A (ja) | 1997-11-26 | 1999-06-18 | Oki Electric Ind Co Ltd | トーン信号検出回路 |
| WO1999029084A2 (en) * | 1997-11-27 | 1999-06-10 | Northern Telecom Limited | Method and apparatus for performing spectral processing in tone detection |
| US6055310A (en) | 1997-12-17 | 2000-04-25 | Nortel Networks Corporation | Phase reversal tone detector using DSP |
| US6021192A (en) * | 1998-02-09 | 2000-02-01 | Ag Communication Systems Corporation | Tone detector |
| US6480589B1 (en) * | 1998-07-14 | 2002-11-12 | Samsung Electronics Co., Ltd. | CPE alert signal detector and caller identification detector using peak detection |
| WO2000030325A1 (en) | 1998-10-30 | 2000-05-25 | Nortel Networks Limited | Method and apparatus for detecting signalling tones |
| US6321200B1 (en) * | 1999-07-02 | 2001-11-20 | Mitsubish Electric Research Laboratories, Inc | Method for extracting features from a mixture of signals |
| FR2810817B1 (fr) * | 2000-06-22 | 2002-10-04 | Cit Alcatel | Procede pour la detection d'une frequence ou d'une combinaison de frequences dans un signal et materiels de telecommunications mettant en oeuvre ce procede |
| US7035293B2 (en) | 2001-04-18 | 2006-04-25 | Broadcom Corporation | Tone relay |
| US6914979B2 (en) | 2001-04-25 | 2005-07-05 | Adaptive Digital Technologies, Inc. | Tone detection |
| US6748059B2 (en) * | 2001-10-23 | 2004-06-08 | Avaya Technology Corp. | Apparatus and method for unified tone detection |
-
2002
- 2002-08-28 DE DE60217859T patent/DE60217859T2/de not_active Expired - Fee Related
- 2002-08-28 EP EP02292110A patent/EP1395065B1/en not_active Expired - Lifetime
- 2002-08-28 AT AT02292110T patent/ATE352953T1/de not_active IP Right Cessation
- 2002-11-12 US US10/292,779 patent/US7529363B2/en not_active Expired - Fee Related
-
2003
- 2003-08-27 JP JP2003303599A patent/JP2004135309A/ja active Pending
- 2003-08-28 KR KR1020030059844A patent/KR20040019992A/ko not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP1395065B1 (en) | 2007-01-24 |
| US7529363B2 (en) | 2009-05-05 |
| DE60217859T2 (de) | 2007-07-05 |
| DE60217859D1 (de) | 2007-03-15 |
| EP1395065A1 (en) | 2004-03-03 |
| JP2004135309A (ja) | 2004-04-30 |
| ATE352953T1 (de) | 2007-02-15 |
| US20040047370A1 (en) | 2004-03-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20030828 |
|
| PG1501 | Laying open of application | ||
| N231 | Notification of change of applicant | ||
| PN2301 | Change of applicant |
Patent event date: 20041015 Comment text: Notification of Change of Applicant Patent event code: PN23011R01D |
|
| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20080827 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 20030828 Comment text: Patent Application |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20100224 Patent event code: PE09021S01D |
|
| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
Patent event date: 20100430 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20100224 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |