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JPS5228232A - Pulse code modulation recorder - Google Patents

Pulse code modulation recorder

Info

Publication number
JPS5228232A
JPS5228232A JP51102522A JP10252276A JPS5228232A JP S5228232 A JPS5228232 A JP S5228232A JP 51102522 A JP51102522 A JP 51102522A JP 10252276 A JP10252276 A JP 10252276A JP S5228232 A JPS5228232 A JP S5228232A
Authority
JP
Japan
Prior art keywords
pulse code
code modulation
recorder
modulation recorder
pulse
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
Application number
JP51102522A
Other languages
English (en)
Inventor
Fuannchiengu Chiyuu Piitaa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hewlett Packard Japan Inc
Original Assignee
Yokogawa Hewlett Packard Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yokogawa Hewlett Packard Ltd filed Critical Yokogawa Hewlett Packard Ltd
Publication of JPS5228232A publication Critical patent/JPS5228232A/ja
Pending legal-status Critical Current

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
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1488—Digital recording or reproducing using self-clocking codes characterised by the use of three levels
    • G11B20/1492—Digital recording or reproducing using self-clocking codes characterised by the use of three levels two levels are symmetric, in respect of the sign to the third level which is "zero"
    • 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)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Magnetic Recording (AREA)
  • Dc Digital Transmission (AREA)
JP51102522A 1975-08-27 1976-08-27 Pulse code modulation recorder Pending JPS5228232A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/608,139 US4017903A (en) 1975-08-27 1975-08-27 Pulse code modulation recording and/or reproducing system

Publications (1)

Publication Number Publication Date
JPS5228232A true JPS5228232A (en) 1977-03-03

Family

ID=24435222

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51102522A Pending JPS5228232A (en) 1975-08-27 1976-08-27 Pulse code modulation recorder

Country Status (4)

Country Link
US (1) US4017903A (ja)
JP (1) JPS5228232A (ja)
DE (1) DE2637963C3 (ja)
FR (1) FR2322484A3 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6366417B1 (en) 1995-05-26 2002-04-02 Maxtor Corporation Mr head read signal preconditioning circuitry

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4234898A (en) * 1978-03-15 1980-11-18 Nippon Hoso Kyokai Digital magnetic recording and reproducing apparatus
DE2827826C2 (de) * 1978-06-24 1984-11-29 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur Verbesserung des Störabstandes bei der Magnetaufzeichnung von Digitalimpulsen
DE2828219A1 (de) * 1978-06-28 1980-01-10 Bosch Gmbh Robert Verfahren zur aufzeichnung und wiedergabe digitaler daten auf magnetspeicher
FR2459529A1 (fr) * 1979-06-18 1981-01-09 Cii Honeywell Bull Procede et dispositif d'enregistrement magnetique numerique avec polarisation a haute frequence
FR2460522A1 (fr) * 1979-07-02 1981-01-23 Cii Honeywell Bull Procede et dispositif d'enregistrement magnetique numerique avec polarisation a haute frequence
EP0202773B1 (en) * 1985-04-22 1991-01-16 Csk Corporation Binary encoding method for data read from optical record and device therefor
JP2606284B2 (ja) * 1988-05-31 1997-04-30 ソニー株式会社 信号記録装置
US20060089637A1 (en) * 2004-10-14 2006-04-27 Werneth Randell L Ablation catheter
US8617152B2 (en) * 2004-11-15 2013-12-31 Medtronic Ablation Frontiers Llc Ablation system with feedback
US7429261B2 (en) * 2004-11-24 2008-09-30 Ablation Frontiers, Inc. Atrial ablation catheter and method of use
US7468062B2 (en) * 2004-11-24 2008-12-23 Ablation Frontiers, Inc. Atrial ablation catheter adapted for treatment of septal wall arrhythmogenic foci and method of use
CA2612679A1 (en) * 2005-06-20 2007-01-04 Richardo D. Roman Ablation catheter
AU2006268238A1 (en) 2005-07-11 2007-01-18 Medtronic Ablation Frontiers Llc Low power tissue ablation system
US8657814B2 (en) * 2005-08-22 2014-02-25 Medtronic Ablation Frontiers Llc User interface for tissue ablation system
US8641704B2 (en) 2007-05-11 2014-02-04 Medtronic Ablation Frontiers Llc Ablation therapy system and method for treating continuous atrial fibrillation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3108265A (en) * 1957-08-14 1963-10-22 Time Inc Magnetic data recording system
US3641524A (en) * 1966-11-07 1972-02-08 Leach Corp Magnetic record and reproduce system for digital data having a nrzc format
US3852809A (en) * 1973-07-05 1974-12-03 Ibm Return to zero detection circuit for variable data rate scanning
DE2451800C3 (de) * 1973-11-09 1978-12-14 N.V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande) Spitzendetektion mit konstantem Teiloffset-Betrieb
US3921210A (en) * 1974-01-14 1975-11-18 Gen Dynamics Corp High density data processing system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6366417B1 (en) 1995-05-26 2002-04-02 Maxtor Corporation Mr head read signal preconditioning circuitry

Also Published As

Publication number Publication date
DE2637963B2 (de) 1981-04-02
DE2637963A1 (de) 1977-03-17
FR2322484A3 (fr) 1977-03-25
DE2637963C3 (de) 1981-12-10
US4017903A (en) 1977-04-12

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