JPS6453623A - Pulse detecting circuit employing amplitude and time recognition - Google Patents
Pulse detecting circuit employing amplitude and time recognitionInfo
- Publication number
- JPS6453623A JPS6453623A JP63067462A JP6746288A JPS6453623A JP S6453623 A JPS6453623 A JP S6453623A JP 63067462 A JP63067462 A JP 63067462A JP 6746288 A JP6746288 A JP 6746288A JP S6453623 A JPS6453623 A JP S6453623A
- Authority
- JP
- Japan
- Prior art keywords
- peak
- signal
- output signal
- outputs
- positive
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/153—Arrangements in which a pulse is delivered at the instant when a predetermined characteristic of an input signal is present or at a fixed time interval after this instant
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Digital Magnetic Recording (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Measurement Of Current Or Voltage (AREA)
- Selective Calling Equipment (AREA)
- Electrophonic Musical Instruments (AREA)
- Burglar Alarm Systems (AREA)
- Tests Of Electronic Circuits (AREA)
- Manipulation Of Pulses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/028,926 US4789838A (en) | 1987-03-23 | 1987-03-23 | Pulse detection circuit using amplitude and time qualification |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6453623A true JPS6453623A (en) | 1989-03-01 |
Family
ID=21846267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63067462A Pending JPS6453623A (en) | 1987-03-23 | 1988-03-23 | Pulse detecting circuit employing amplitude and time recognition |
Country Status (6)
Country | Link |
---|---|
US (1) | US4789838A (ja) |
EP (1) | EP0284279B2 (ja) |
JP (1) | JPS6453623A (ja) |
KR (1) | KR910005904B1 (ja) |
AT (1) | ATE68285T1 (ja) |
DE (1) | DE3865336D1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018061994A1 (ja) * | 2016-09-29 | 2018-04-05 | 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 |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5055845A (en) * | 1984-03-30 | 1991-10-08 | Datajet, Inc. | Signal digitizing method and system utilizing time delay of the input signal |
US5231397A (en) * | 1984-03-30 | 1993-07-27 | Datajet, Inc. | Extreme waveform coding |
US4979189A (en) * | 1989-08-18 | 1990-12-18 | National Semiconductor Corporation | Self-timing qualification channel |
US5287534A (en) * | 1990-01-04 | 1994-02-15 | Digital Equipment Corporation | Correcting crossover distortion produced when analog signal thresholds are used to remove noise from signal |
US5019722A (en) * | 1990-03-05 | 1991-05-28 | Motorola, Inc. | Threshold crossing detection with improved noise rejection |
US5165089A (en) * | 1990-10-01 | 1992-11-17 | International Business Machines Corporation | Optical disk players having readback circuits with noise rejection and read signal retiming |
US5418660A (en) * | 1991-12-09 | 1995-05-23 | Hitachi, Ltd. | Information processing apparatus for processing reproduction signal having nonlinear characteristics |
JP2948016B2 (ja) * | 1992-03-19 | 1999-09-13 | 株式会社日立製作所 | 情報記録再生方法 |
EP0571230B1 (en) * | 1992-05-22 | 1998-11-04 | Sharp Kabushiki Kaisha | Integrated tablet and display with reduction of noise during coordinate detection |
JP3088844B2 (ja) * | 1992-06-03 | 2000-09-18 | パイオニア株式会社 | ディジタル信号再生装置 |
JP2707191B2 (ja) * | 1992-10-19 | 1998-01-28 | シャープ株式会社 | マルチトラック磁気信号再生装置 |
US5467231A (en) * | 1993-02-26 | 1995-11-14 | Hewlett-Packard Company | Using recorded data for auto calibration of fixed gain of a read amplifier in a data storage device |
US5495368A (en) * | 1993-05-04 | 1996-02-27 | Maxtor Corporation | Method of tracking thresholds on a read signal |
US5640109A (en) * | 1995-10-27 | 1997-06-17 | Mts Systems Corporation | Pulse detector |
US6438178B1 (en) | 1999-08-11 | 2002-08-20 | Intel Corporation | Integrated circuit for receiving a data stream |
US20040166817A1 (en) * | 2003-01-20 | 2004-08-26 | Mehran Mokhtari | System, method and apparatus for burst communications |
JP4434597B2 (ja) * | 2003-02-17 | 2010-03-17 | ヤマハ株式会社 | ノイズ除去回路 |
EP1566935B1 (fr) * | 2004-02-19 | 2012-07-25 | St Microelectronics S.A. | Dispositif et procédé de suppression d'interférences impulsionnelles dans un signal |
US20080061842A1 (en) * | 2006-09-07 | 2008-03-13 | Micron Technology, Inc. | Circuit and method for detecting timed amplitude reduction of a signal relative to a threshold voltage |
US7560959B2 (en) | 2006-09-18 | 2009-07-14 | Micron Technology, Inc. | Absolute value peak differential voltage detector circuit and method |
CN100527620C (zh) * | 2007-04-24 | 2009-08-12 | 华南理工大学 | 一种脉冲调幅检波电路 |
EP3015872A1 (en) * | 2014-10-30 | 2016-05-04 | DET International Holding Limited | Threshold detection circuit |
FR3120128A1 (fr) * | 2021-02-19 | 2022-08-26 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Unité de détection et de mesure pour la détection de perturbations électromagnétiques, système de détection comprenant une telle unité d’analyse et procédé d’analyse |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS537309A (en) * | 1976-07-07 | 1978-01-23 | Fujitsu Ltd | Digital information reproduction device |
JPS5542342A (en) * | 1978-09-19 | 1980-03-25 | Toshiba Corp | Return system to o track of magnetic head |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3252099A (en) * | 1963-05-27 | 1966-05-17 | Ibm | Waveform shaping system for slimming filter control and symmetrizing |
US3760282A (en) * | 1972-03-29 | 1973-09-18 | Ibm | Data recovery system |
US4001884A (en) * | 1974-11-20 | 1977-01-04 | Teletype Corporation | Apparatus and method for recording and reproducing digital-data |
US3979771A (en) * | 1975-03-19 | 1976-09-07 | Xerox Corporation | Magnetic tape phase encoded data read circuit |
DE2537264C3 (de) * | 1975-08-21 | 1978-10-05 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung zum Erkennen der Null-Durchgänge von Signalen |
US4081756A (en) * | 1976-12-30 | 1978-03-28 | Sperry Rand Corporation | Dual channel signal detector circuit |
US4141494A (en) * | 1977-02-25 | 1979-02-27 | Fisher Alan J | Digital code reader |
US4141046A (en) * | 1977-09-14 | 1979-02-20 | Exxon Research & Engineering Co. | Floppy disc data separator for use with single density encoding |
US4306194A (en) * | 1979-10-11 | 1981-12-15 | International Business Machines Corporation | Data signal detection circuit |
US4385328A (en) * | 1979-10-26 | 1983-05-24 | Sony Corporation | Data extracting circuit |
US4281356A (en) * | 1979-11-28 | 1981-07-28 | R. C. Sanders Technology Systems, Inc. | Magnetic disk memory |
US4393458A (en) * | 1980-02-06 | 1983-07-12 | Sperry Corporation | Data recovery method and apparatus using variable window |
US4346411A (en) * | 1981-02-17 | 1982-08-24 | International Business Machines Corporation | Amplitude sensitive three-level detector for derivative read back channel of magnetic storage device |
US4399474A (en) * | 1981-08-10 | 1983-08-16 | Ampex Corporation | Automatic threshold tracking system |
US4495529A (en) * | 1982-05-07 | 1985-01-22 | Digital Equipment Corporation | Qualifier circuit |
JPS5977605A (ja) * | 1982-10-26 | 1984-05-04 | Sansui Electric Co | 読取りクロツク生成方式 |
JPS59117718A (ja) * | 1982-12-24 | 1984-07-07 | Victor Co Of Japan Ltd | デイジタル信号の再生装置 |
US4532559A (en) * | 1983-02-14 | 1985-07-30 | Prime Computer, Inc. | Apparatus for decoding phase encoded data |
US4550391A (en) * | 1983-02-22 | 1985-10-29 | Western Digital Corporation | Data capture window extension circuit |
US4634896A (en) * | 1984-11-30 | 1987-01-06 | Storage Technology Corporation | Method and apparatus for qualifying valid data peaks in a read/write channel |
CA1263474A (en) * | 1985-12-17 | 1989-11-28 | Hideki Fukasawa | Digital level detecting circuit |
-
1987
- 1987-03-23 US US07/028,926 patent/US4789838A/en not_active Expired - Lifetime
-
1988
- 1988-03-16 DE DE8888302267T patent/DE3865336D1/de not_active Expired - Fee Related
- 1988-03-16 EP EP88302267A patent/EP0284279B2/en not_active Expired - Lifetime
- 1988-03-16 AT AT88302267T patent/ATE68285T1/de not_active IP Right Cessation
- 1988-03-18 KR KR1019880002866A patent/KR910005904B1/ko not_active IP Right Cessation
- 1988-03-23 JP JP63067462A patent/JPS6453623A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS537309A (en) * | 1976-07-07 | 1978-01-23 | Fujitsu Ltd | Digital information reproduction device |
JPS5542342A (en) * | 1978-09-19 | 1980-03-25 | Toshiba Corp | Return system to o track of magnetic head |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018061994A1 (ja) * | 2016-09-29 | 2018-04-05 | 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 |
Also Published As
Publication number | Publication date |
---|---|
KR880011597A (ko) | 1988-10-29 |
DE3865336D1 (de) | 1991-11-14 |
ATE68285T1 (de) | 1991-10-15 |
US4789838A (en) | 1988-12-06 |
KR910005904B1 (ko) | 1991-08-06 |
EP0284279B1 (en) | 1991-10-09 |
EP0284279A1 (en) | 1988-09-28 |
EP0284279B2 (en) | 1996-08-28 |
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