GB1223891A - Data transfer - Google Patents

Data transfer

Info

Publication number
GB1223891A
GB1223891A GB07257/68A GB1725768A GB1223891A GB 1223891 A GB1223891 A GB 1223891A GB 07257/68 A GB07257/68 A GB 07257/68A GB 1725768 A GB1725768 A GB 1725768A GB 1223891 A GB1223891 A GB 1223891A
Authority
GB
United Kingdom
Prior art keywords
tape
pulse
block
copy control
data
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
GB07257/68A
Other languages
English (en)
Inventor
Barry Michael Epstein
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.)
AT&T Inc
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB1223891A publication Critical patent/GB1223891A/en
Expired 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1201—Formatting, e.g. arrangement of data block or words on the record carriers on tapes
    • G11B20/1202—Formatting, e.g. arrangement of data block or words on the record carriers on tapes with longitudinal tracks only
    • G11B20/1205—Formatting, e.g. arrangement of data block or words on the record carriers on tapes with longitudinal tracks only for discontinuous data, e.g. digital information signals or computer program data
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K1/00—Methods or arrangements for marking the record carrier in digital fashion
    • G06K1/14—Methods or arrangements for marking the record carrier in digital fashion by transferring data from a similar or dissimilar record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/005—Programmed access in sequence to indexed parts of tracks of operating tapes, by driving or guiding the tape

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
GB07257/68A 1967-04-12 1968-04-10 Data transfer Expired GB1223891A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63035967A 1967-04-12 1967-04-12

Publications (1)

Publication Number Publication Date
GB1223891A true GB1223891A (en) 1971-03-03

Family

ID=24526852

Family Applications (1)

Application Number Title Priority Date Filing Date
GB07257/68A Expired GB1223891A (en) 1967-04-12 1968-04-10 Data transfer

Country Status (7)

Country Link
US (1) US3533071A (cg-RX-API-DMAC7.html)
BE (1) BE713638A (cg-RX-API-DMAC7.html)
DE (1) DE1774125B1 (cg-RX-API-DMAC7.html)
FR (1) FR1562437A (cg-RX-API-DMAC7.html)
GB (1) GB1223891A (cg-RX-API-DMAC7.html)
NL (1) NL141997B (cg-RX-API-DMAC7.html)
SE (1) SE327582B (cg-RX-API-DMAC7.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2052050A1 (de) * 1969-10-28 1971-05-19 Fujitsu Ltd Steueranordnung fur eine Magnet bandeinheit
US3740720A (en) * 1971-01-25 1973-06-19 Ibm Method adapted for continually updating information on a magnetic tape
US3729712A (en) * 1971-02-26 1973-04-24 Eastman Kodak Co Information storage and retrieval system
US3787827A (en) * 1972-10-05 1974-01-22 Ohio Nuclear Real time data compression system
US3824563A (en) * 1973-04-13 1974-07-16 Ibm Data storage track padding apparatus
US4054947A (en) * 1975-07-14 1977-10-18 Standard Oil Company (Indiana) Computer to tape deck interface
GB2136614B (en) * 1980-06-25 1985-06-05 Sundstrand Data Control Recording digital data

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976372A (en) * 1959-03-02 1961-03-21 Sidney O Sampson Magnetic tape reproducing system
US3028454A (en) * 1959-04-20 1962-04-03 Kohorn Henry Von Selective recording of continuous information
US3064516A (en) * 1960-06-16 1962-11-20 Leblanc Corp G Musical instrument with improved spring bearing
US3315242A (en) * 1963-04-24 1967-04-18 Ibm Modulation and transfer of information achieved by speed differential
US3206133A (en) * 1963-09-27 1965-09-14 Robert L Forster Tape control system
US3365702A (en) * 1964-01-14 1968-01-23 Herner & Company Magnetic-tape information storage and retrieval
US3405238A (en) * 1964-05-06 1968-10-08 Hurvitz Hyman Means to eliminate redundant information
US3260340A (en) * 1964-06-25 1966-07-12 Ibm Revision system for data recording and printing apparatus

Also Published As

Publication number Publication date
FR1562437A (cg-RX-API-DMAC7.html) 1969-04-04
NL6805009A (cg-RX-API-DMAC7.html) 1968-10-14
DE1774125B1 (de) 1971-12-16
BE713638A (cg-RX-API-DMAC7.html) 1968-08-16
SE327582B (cg-RX-API-DMAC7.html) 1970-08-24
NL141997B (nl) 1974-04-16
US3533071A (en) 1970-10-06

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