CA1159143A - Write control apparatus - Google Patents

Write control apparatus

Info

Publication number
CA1159143A
CA1159143A CA000339095A CA339095A CA1159143A CA 1159143 A CA1159143 A CA 1159143A CA 000339095 A CA000339095 A CA 000339095A CA 339095 A CA339095 A CA 339095A CA 1159143 A CA1159143 A CA 1159143A
Authority
CA
Canada
Prior art keywords
prom
address
memory
instruction
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
CA000339095A
Other languages
English (en)
French (fr)
Inventor
Stanley I. Friedman
Charles P. Cobeen
Herbert K. Jacobsthal
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.)
Bull HN Information Systems Inc
Original Assignee
Honeywell Information Systems 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 Honeywell Information Systems Inc filed Critical Honeywell Information Systems Inc
Application granted granted Critical
Publication of CA1159143A publication Critical patent/CA1159143A/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, computer programme data
    • 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
    • G11B2020/1087—Digital recording or reproducing wherein a selection is made among at least two alternative ways of processing
    • 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
    • G11B2020/1087—Digital recording or reproducing wherein a selection is made among at least two alternative ways of processing
    • G11B2020/10879—Digital recording or reproducing wherein a selection is made among at least two alternative ways of processing the kind of record carrier being the selection criterion
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Dc Digital Transmission (AREA)
CA000339095A 1978-12-26 1979-11-02 Write control apparatus Expired CA1159143A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US97325978A 1978-12-26 1978-12-26
US973,259 1978-12-26

Publications (1)

Publication Number Publication Date
CA1159143A true CA1159143A (en) 1983-12-20

Family

ID=25520677

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000339095A Expired CA1159143A (en) 1978-12-26 1979-11-02 Write control apparatus

Country Status (6)

Country Link
JP (1) JPS5589912A (enrdf_load_stackoverflow)
AU (1) AU537672B2 (enrdf_load_stackoverflow)
CA (1) CA1159143A (enrdf_load_stackoverflow)
DE (1) DE2951767A1 (enrdf_load_stackoverflow)
FR (1) FR2450496A1 (enrdf_load_stackoverflow)
GB (1) GB2038519B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4201980A (en) * 1978-12-26 1980-05-06 Honeywell Information Systems Inc. GCR Data write control apparatus
US5853675A (en) * 1995-06-30 1998-12-29 Minnesota Mining And Manufacturing Company Composite mounting system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1192371A (en) * 1966-06-02 1970-05-20 Automatic Telephone & Elect Improvements in or relating to Data Processing Devices
US3685031A (en) * 1970-06-02 1972-08-15 Metrodata Systems Inc Digital recording apparatus
US3654617A (en) * 1970-10-01 1972-04-04 Ibm Microprogrammable i/o controller
IT991746B (it) * 1973-07-13 1975-08-30 Olivetti & Co Spa Sistema per la registrazione di informazioni su un supporto magnetico
US3950735A (en) * 1974-01-04 1976-04-13 Honeywell Information Systems, Inc. Method and apparatus for dynamically controlling read/write operations in a peripheral subsystem
US4054947A (en) * 1975-07-14 1977-10-18 Standard Oil Company (Indiana) Computer to tape deck interface

Also Published As

Publication number Publication date
FR2450496A1 (fr) 1980-09-26
AU5347879A (en) 1980-07-03
AU537672B2 (en) 1984-07-05
JPH0135424B2 (enrdf_load_stackoverflow) 1989-07-25
GB2038519A (en) 1980-07-23
DE2951767A1 (de) 1980-07-17
FR2450496B1 (enrdf_load_stackoverflow) 1983-07-22
GB2038519B (en) 1983-06-15
DE2951767C2 (enrdf_load_stackoverflow) 1990-04-26
JPS5589912A (en) 1980-07-08

Similar Documents

Publication Publication Date Title
US4054951A (en) Data expansion apparatus
US3950735A (en) Method and apparatus for dynamically controlling read/write operations in a peripheral subsystem
US4598357A (en) Cache/disk subsystem with file number for recovery of cached data
US4554598A (en) Single revolution disk sector formatter
US5276662A (en) Disc drive with improved data transfer management apparatus
US4723223A (en) Direct memory access controller for reducing access time to transfer information from a disk
US3771136A (en) Control unit
JPH08180601A (ja) 磁気ディスクフォーマットとそのアクセス方法及び磁気ディスク装置
US3348213A (en) Record retrieval control unit
CA1065477A (en) Computer to tape deck interface
US4504873A (en) Identification field scan apparatus
CA1159143A (en) Write control apparatus
US4089027A (en) Arrangement for retrieving information recorded on a semi-random access record carrier
JPS5870409A (ja) トラックバイト保証方法
US4367497A (en) Digital data formatting system for high density magnetic recording
CA1139434A (en) Gcr data write control apparatus
KR100194027B1 (ko) 섹터 펄스 생성방법과 회로
US4575774A (en) Disk subsystem read write control
USRE28265E (en) Svc out
JP3905944B2 (ja) 磁気ディスク装置用制御回路素子及び同制御回路素子を備えた磁気ディスク装置
JPS6331809B2 (enrdf_load_stackoverflow)
JPS6139979A (ja) 磁気デイスクの制御装置
JPS6059426A (ja) 磁気ディスク装置のアクセス方法
JPH06309116A (ja) 記録ディスク複写装置
KR100189927B1 (ko) 하드 디스크 드라이브 제어장치 및 그 방법

Legal Events

Date Code Title Description
MKEX Expiry