GB1129866A - Recording and playback system - Google Patents

Recording and playback system

Info

Publication number
GB1129866A
GB1129866A GB33308/66A GB3330866A GB1129866A GB 1129866 A GB1129866 A GB 1129866A GB 33308/66 A GB33308/66 A GB 33308/66A GB 3330866 A GB3330866 A GB 3330866A GB 1129866 A GB1129866 A GB 1129866A
Authority
GB
United Kingdom
Prior art keywords
amplifier
input
recording
impedances
output
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.)
Expired
Application number
GB33308/66A
Other languages
English (en)
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1129866A publication Critical patent/GB1129866A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/333—Recording apparatus specially adapted therefor
    • A61B5/336—Magnetic recording apparatus
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/04—Input or output devices
    • 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
    • G11B20/22—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions
    • G11B20/225—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions for reducing wow or flutter

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Cardiology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Signal Processing (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)
GB33308/66A 1965-08-04 1966-07-25 Recording and playback system Expired GB1129866A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47712065A 1965-08-04 1965-08-04

Publications (1)

Publication Number Publication Date
GB1129866A true GB1129866A (en) 1968-10-09

Family

ID=23894623

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33308/66A Expired GB1129866A (en) 1965-08-04 1966-07-25 Recording and playback system

Country Status (4)

Country Link
US (1) US3423540A (cg-RX-API-DMAC7.html)
DE (1) DE1499707A1 (cg-RX-API-DMAC7.html)
FR (1) FR1488677A (cg-RX-API-DMAC7.html)
GB (1) GB1129866A (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102152672A (zh) * 2010-11-03 2011-08-17 湖州电力局 半自动送料封印压铸机

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3530257A (en) * 1968-07-22 1970-09-22 Teledyne Geotech Modulation of an oscillatory circuit for driving a magnetic recording head
US3997915A (en) * 1975-04-24 1976-12-14 Basf Aktiengesellschaft Frequency modulating and demodulating method and apparatus
US4435734A (en) 1981-11-12 1984-03-06 Vas Corporation FM Video recording and reproducing system
US4503859A (en) * 1983-06-16 1985-03-12 William Beaumont Hospital Esophageal function and EKG monitor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2658956A (en) * 1947-04-21 1953-11-10 Clevite Corp Magnetic recording and reproducing
US2909617A (en) * 1954-06-30 1959-10-20 Webster Electric Co Inc Recorder-reproducer
US2921991A (en) * 1956-04-27 1960-01-19 Acf Ind Inc Magnetic recorder
US3037093A (en) * 1959-09-29 1962-05-29 Rca Corp Magnetic recording and reproducing apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102152672A (zh) * 2010-11-03 2011-08-17 湖州电力局 半自动送料封印压铸机
CN102152672B (zh) * 2010-11-03 2013-01-16 湖州电力局 半自动送料封印压铸机

Also Published As

Publication number Publication date
DE1499707A1 (de) 1970-07-09
FR1488677A (cg-RX-API-DMAC7.html) 1967-10-25
US3423540A (en) 1969-01-21

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