ATE383645T1 - Datendemodulationsverfahren und -gerät für magnetische karte. - Google Patents
Datendemodulationsverfahren und -gerät für magnetische karte.Info
- Publication number
- ATE383645T1 ATE383645T1 AT00302462T AT00302462T ATE383645T1 AT E383645 T1 ATE383645 T1 AT E383645T1 AT 00302462 T AT00302462 T AT 00302462T AT 00302462 T AT00302462 T AT 00302462T AT E383645 T1 ATE383645 T1 AT E383645T1
- Authority
- AT
- Austria
- Prior art keywords
- magnetic card
- data demodulation
- demodulation method
- data
- magnetic
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
- G11B20/1419—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol to or from biphase level coding, i.e. to or from codes where a one is coded as a transition from a high to a low level during the middle of a bit cell and a zero is encoded as a transition from a low to a high level during the middle of a bit cell or vice versa, e.g. split phase code, Manchester code conversion to or from biphase space or mark coding, i.e. to or from codes where there is a transition at the beginning of every bit cell and a one has no second transition and a zero has a second transition one half of a bit period later or vice versa, e.g. double frequency code, FM code
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
- H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
- H04L27/1563—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using transition or level detection
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP08804899A JP3571246B2 (ja) | 1999-03-30 | 1999-03-30 | データの復調方法 |
JP11097615A JP2000293961A (ja) | 1999-04-05 | 1999-04-05 | データの復調方法 |
JP10506599A JP3681570B2 (ja) | 1999-04-13 | 1999-04-13 | データの復調方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE383645T1 true ATE383645T1 (de) | 2008-01-15 |
Family
ID=27305725
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT00302462T ATE383645T1 (de) | 1999-03-30 | 2000-03-27 | Datendemodulationsverfahren und -gerät für magnetische karte. |
Country Status (4)
Country | Link |
---|---|
US (1) | US6757342B1 (de) |
EP (1) | EP1041556B1 (de) |
AT (1) | ATE383645T1 (de) |
DE (1) | DE60037698D1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6674786B1 (en) * | 1999-04-23 | 2004-01-06 | Sankyo Seiki Mfg. Co., Ltd. | Data demodulation |
US20030058557A1 (en) * | 2001-09-03 | 2003-03-27 | Kabushiki Kaisha Sankyo Seiki Seisakusho | Data demodulating method for magnetic recording data |
JP3717880B2 (ja) | 2002-10-01 | 2005-11-16 | パイオニア株式会社 | 情報記録媒体、情報記録装置及び方法、情報再生装置及び方法、情報記録再生装置及び方法、記録又は再生制御用のコンピュータプログラム、並びに制御信号を含むデータ構造 |
KR100561414B1 (ko) * | 2003-02-24 | 2006-03-16 | 삼성전자주식회사 | 브라우저블 슬라이드 쇼 제공을 위한 데이터 복호 장치,그 복호 방법 및 이를 위한 정보저장매체 |
JP2007311002A (ja) * | 2006-05-22 | 2007-11-29 | Nidec Sankyo Corp | 磁気データの復調方法 |
US8612029B2 (en) * | 2007-06-15 | 2013-12-17 | Shell Oil Company | Framework and method for monitoring equipment |
US7995675B2 (en) * | 2008-02-14 | 2011-08-09 | International Business Machines Corporation | Apparatus and method to communicate information within a data storage library |
JP6169322B2 (ja) * | 2012-03-30 | 2017-07-26 | 日本電産サンキョー株式会社 | 情報再生装置および情報再生方法 |
JP6050059B2 (ja) * | 2012-08-30 | 2016-12-21 | 日本電産サンキョー株式会社 | データ復調装置、データ復調方法、磁気記録データ再生装置、およびプログラム |
CN106997443B (zh) * | 2017-01-09 | 2019-08-23 | 北京信息职业技术学院 | 磁条卡解码方法及装置 |
CN112395895B (zh) * | 2019-08-16 | 2023-08-25 | 深圳市复恒自控技术有限公司 | 磁条软件解码方法、装置及计算机可读存储介质 |
CN115348141B (zh) * | 2022-07-29 | 2023-10-31 | 新诺北斗航科信息技术(厦门)股份有限公司 | 一种dsc信号的解调方法、装置及存储介质 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57184356A (en) * | 1981-05-08 | 1982-11-13 | Seiko Epson Corp | Fsk demodulating circuit |
JP2619381B2 (ja) * | 1987-03-20 | 1997-06-11 | 株式会社日立製作所 | 光学的情報再生装置 |
US5168275A (en) * | 1990-02-07 | 1992-12-01 | International Business Machines Corporation | Method and apparatus for decoding two frequency (f/2f) data signals |
DE4006426C2 (de) | 1990-03-01 | 1993-11-18 | Siemens Nixdorf Inf Syst | Verfahren zum Auswerten binärer Informationen einer Magnetspeicherkarte |
JPH0923248A (ja) * | 1995-07-07 | 1997-01-21 | Japan Radio Co Ltd | Fsk復調回路 |
US5670951A (en) * | 1995-07-17 | 1997-09-23 | Motorola, Inc. | Radio communication device and method for generating threshold levels in a radio communication device for receiving four-level signals |
US6233107B1 (en) * | 1998-03-20 | 2001-05-15 | Seagate Technology Llc | Analog self-synchronization subsystem based on peak detection and post processing in a sampled channel of digital magnetic recording |
US6377633B1 (en) * | 1998-10-09 | 2002-04-23 | Harris Corporation | Apparatus and method for decoding asynchronous data |
-
2000
- 2000-03-27 EP EP00302462A patent/EP1041556B1/de not_active Expired - Lifetime
- 2000-03-27 AT AT00302462T patent/ATE383645T1/de not_active IP Right Cessation
- 2000-03-27 DE DE60037698T patent/DE60037698D1/de not_active Expired - Lifetime
- 2000-03-30 US US09/538,180 patent/US6757342B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1041556A2 (de) | 2000-10-04 |
EP1041556B1 (de) | 2008-01-09 |
DE60037698D1 (de) | 2008-02-21 |
US6757342B1 (en) | 2004-06-29 |
EP1041556A3 (de) | 2001-05-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |