JPS5374410A - System for recording data on record medium and reading same date therefrom - Google Patents

System for recording data on record medium and reading same date therefrom

Info

Publication number
JPS5374410A
JPS5374410A JP14918677A JP14918677A JPS5374410A JP S5374410 A JPS5374410 A JP S5374410A JP 14918677 A JP14918677 A JP 14918677A JP 14918677 A JP14918677 A JP 14918677A JP S5374410 A JPS5374410 A JP S5374410A
Authority
JP
Japan
Prior art keywords
recording data
record medium
same date
reading same
therefrom
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.)
Granted
Application number
JP14918677A
Other languages
English (en)
Other versions
JPS622377B2 (ja
Inventor
Jiei Soodero Furanku
Eru Kurooku Robaato
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.)
Sperry Corp
Original Assignee
Sperry Rand 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 Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of JPS5374410A publication Critical patent/JPS5374410A/ja
Publication of JPS622377B2 publication Critical patent/JPS622377B2/ja
Granted 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
    • G11B20/16—Digital recording or reproducing using non self-clocking codes, i.e. the clock signals are either recorded in a separate clocking track or in a combination of several information tracks
JP14918677A 1976-12-13 1977-12-12 System for recording data on record medium and reading same date therefrom Granted JPS5374410A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/750,204 US4122501A (en) 1976-12-13 1976-12-13 System for recording and reading back data on a recording media

Publications (2)

Publication Number Publication Date
JPS5374410A true JPS5374410A (en) 1978-07-01
JPS622377B2 JPS622377B2 (ja) 1987-01-19

Family

ID=25016939

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14918677A Granted JPS5374410A (en) 1976-12-13 1977-12-12 System for recording data on record medium and reading same date therefrom

Country Status (8)

Country Link
US (1) US4122501A (ja)
JP (1) JPS5374410A (ja)
CA (1) CA1107858A (ja)
CH (1) CH627578A5 (ja)
DE (1) DE2754142B2 (ja)
FR (1) FR2373836A1 (ja)
GB (1) GB1593298A (ja)
IT (1) IT1110185B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5372888U (ja) * 1976-11-22 1978-06-17

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4520408A (en) * 1983-02-22 1985-05-28 Vsp Labs, Inc. Clock signal synchronization apparatus and method for decoding self-clocking encoded data
US4949325A (en) * 1987-03-18 1990-08-14 Hitachi, Ltd. Method and associated apparatus and medium for optical recording and reproducing information
US6983051B1 (en) 1993-11-18 2006-01-03 Digimarc Corporation Methods for audio watermarking and decoding
US5768426A (en) 1993-11-18 1998-06-16 Digimarc Corporation Graphics processing system employing embedded code signals
US5748763A (en) 1993-11-18 1998-05-05 Digimarc Corporation Image steganography system featuring perceptually adaptive and globally scalable signal embedding
US6449377B1 (en) 1995-05-08 2002-09-10 Digimarc Corporation Methods and systems for watermark processing of line art images
US5552942A (en) * 1994-08-23 1996-09-03 Quantum Corporation Zero phase start optimization using mean squared error in a PRML recording channel
US6560349B1 (en) 1994-10-21 2003-05-06 Digimarc Corporation Audio monitoring using steganographic information
US7719373B2 (en) * 2006-10-27 2010-05-18 Imec Device and method for generating a signal with predefined transcient at start-up
US8289821B1 (en) 2010-12-21 2012-10-16 Western Digital (Fremont), Llc Method and system for pulsing EAMR disk drives

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4922140A (ja) * 1972-06-17 1974-02-27
JPS50158317A (ja) * 1974-05-31 1975-12-22

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3653009A (en) * 1970-10-12 1972-03-28 Burroughs Corp Correction of asynchronous timing utilizing a phase control loop
US3731220A (en) * 1972-05-30 1973-05-01 Honeywell Inf Systems Phase locked oscillator for use with variable speed data source
US3831195A (en) * 1973-07-27 1974-08-20 Burroughs Corp Multi-mode clock recovery circuit for self-clocking encoded data
US3864735A (en) * 1973-09-12 1975-02-04 Burroughs Corp Read/write system for high density magnetic recording
US3898580A (en) * 1973-12-17 1975-08-05 Xerox Corp Dual time constant phase lock oscillator
US3900890A (en) * 1974-05-06 1975-08-19 Sperry Rand Corp Speed tolerant recording and recovery system
DE2529151C2 (de) * 1975-06-30 1982-12-16 Sperry Corp., 10104 New York, N.Y. Schaltung zur Steuerung des digitalen Datenflusses bei der auf ein und von einem Magnetband stattfindenden Übertragung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4922140A (ja) * 1972-06-17 1974-02-27
JPS50158317A (ja) * 1974-05-31 1975-12-22

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5372888U (ja) * 1976-11-22 1978-06-17
JPS6035550Y2 (ja) * 1976-11-22 1985-10-22 株式会社井上ジャパックス研究所 放電加工機用加工液供給装置

Also Published As

Publication number Publication date
FR2373836B1 (ja) 1984-08-03
DE2754142C3 (ja) 1987-06-19
GB1593298A (en) 1981-07-15
FR2373836A1 (fr) 1978-07-07
US4122501A (en) 1978-10-24
CH627578A5 (de) 1982-01-15
DE2754142B2 (de) 1980-04-10
CA1107858A (en) 1981-08-25
DE2754142A1 (de) 1978-08-03
JPS622377B2 (ja) 1987-01-19
IT1110185B (it) 1985-12-23

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