FR2325148A1 - Memoire a bulles magnetiques resynchronisable - Google Patents

Memoire a bulles magnetiques resynchronisable

Info

Publication number
FR2325148A1
FR2325148A1 FR7625013A FR7625013A FR2325148A1 FR 2325148 A1 FR2325148 A1 FR 2325148A1 FR 7625013 A FR7625013 A FR 7625013A FR 7625013 A FR7625013 A FR 7625013A FR 2325148 A1 FR2325148 A1 FR 2325148A1
Authority
FR
France
Prior art keywords
resynchronizable
magnetic bubble
bubble memory
memory
magnetic
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
FR7625013A
Other languages
English (en)
Other versions
FR2325148B1 (fr
Inventor
Donald T Tang
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 FR2325148A1 publication Critical patent/FR2325148A1/fr
Application granted granted Critical
Publication of FR2325148B1 publication Critical patent/FR2325148B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G06F11/1012—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using codes or arrangements adapted for a specific type of error
    • G06F11/1032—Simple parity
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G11C19/0875—Organisation of a plurality of magnetic shift registers

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Shift Register Type Memory (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
FR7625013A 1975-09-22 1976-08-10 Memoire a bulles magnetiques resynchronisable Granted FR2325148A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/615,638 US4027283A (en) 1975-09-22 1975-09-22 Resynchronizable bubble memory

Publications (2)

Publication Number Publication Date
FR2325148A1 true FR2325148A1 (fr) 1977-04-15
FR2325148B1 FR2325148B1 (fr) 1978-05-05

Family

ID=24466230

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7625013A Granted FR2325148A1 (fr) 1975-09-22 1976-08-10 Memoire a bulles magnetiques resynchronisable

Country Status (4)

Country Link
US (1) US4027283A (fr)
JP (1) JPS5239325A (fr)
FR (1) FR2325148A1 (fr)
GB (1) GB1541644A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0097158A1 (fr) * 1981-12-30 1984-01-04 Ibm Systeme d'information utilisant un syndrome d'erreur pour une commande speciale.

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4168535A (en) * 1977-08-22 1979-09-18 International Business Machines Corporation Non-volatile bubble domain memory system
JPS599101B2 (ja) * 1977-11-30 1984-02-29 株式会社日立製作所 メモリ制御方式
US4190900A (en) * 1978-03-27 1980-02-26 International Business Machines Corporation Major/minor loop bubble memory with timing loop
US4179750A (en) * 1978-04-13 1979-12-18 Burroughs Corporation Magnetic bubble type D/A converter
US4237544A (en) * 1978-11-15 1980-12-02 Bell Telephone Laboratories, Incorporated Magnetic memory organization
US4301516A (en) * 1979-12-12 1981-11-17 Ncr Corporation Bubble memory storage unit
US4357702A (en) * 1980-11-28 1982-11-02 C.N.R., Inc. Error correcting apparatus
NL8202365A (nl) * 1982-06-11 1984-01-02 Philips Nv Serie-parallel-serie schuifregistergeheugen, hetwelk redundante parallelgeschakelde opslagregisters bevat, en afbeeldtoestel, voorzien van een zodanig georganiseerd beeldgeheugen.
US4563774A (en) * 1982-10-25 1986-01-07 At&T Bell Laboratories Address coded communication system
US4796243A (en) * 1985-06-21 1989-01-03 Nec Corporation Time base correcting apparatus
US4759020A (en) * 1985-09-25 1988-07-19 Unisys Corporation Self-healing bubble memories
US4931990A (en) * 1987-11-19 1990-06-05 Bruce C. Perkin Hardened bubble memory circuit
US6438720B1 (en) * 1995-06-07 2002-08-20 Texas Instruments Incorporated Host port interface
US6587988B1 (en) 1999-12-22 2003-07-01 Intel Corporation Dynamic parity inversion for I/O interconnects

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1417480A (fr) * 1963-11-29 1965-11-12 Ibm Système de transmission de données
US3398400A (en) * 1960-03-02 1968-08-20 Int Standard Electric Corp Method and arrangement for transmitting and receiving data without errors

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE656364A (fr) * 1963-11-29
DE1288126B (de) * 1965-04-06 1969-01-30 CSF-Compagnie Generale de TeIegraphie Sans FiI, Paris Vergleichsschaltungsanordnung mit veränderlichem Schwellwert zur Identifizierung einer Gruppe von zyklisch wiederholten Signalen
US3648237A (en) * 1969-02-28 1972-03-07 Ibm Apparatus and method for obtaining synchronization of a maximum length pseudorandom sequence
US3766316A (en) * 1972-05-03 1973-10-16 Us Navy Frame synchronization detector
US3792450A (en) * 1972-05-08 1974-02-12 Singer Co System for overcoming faults in magnetic anisotropic material
JPS552674B2 (fr) * 1972-09-08 1980-01-21
US3860907A (en) * 1973-06-21 1975-01-14 Ibm Data resynchronization employing a plurality of decoders
US3854011A (en) * 1973-09-24 1974-12-10 Gen Dynamics Corp Frame synchronization system for digital multiplexing systems
US3909810A (en) * 1974-02-25 1975-09-30 Texas Instruments Inc Bubble memory minor loop redundancy scheme
US3903371A (en) * 1974-07-01 1975-09-02 Bell Telephone Labor Inc Common control framing detector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3398400A (en) * 1960-03-02 1968-08-20 Int Standard Electric Corp Method and arrangement for transmitting and receiving data without errors
FR1417480A (fr) * 1963-11-29 1965-11-12 Ibm Système de transmission de données

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0097158A1 (fr) * 1981-12-30 1984-01-04 Ibm Systeme d'information utilisant un syndrome d'erreur pour une commande speciale.
EP0097158A4 (fr) * 1981-12-30 1986-03-18 Ibm Systeme d'information utilisant un syndrome d'erreur pour une commande speciale.

Also Published As

Publication number Publication date
FR2325148B1 (fr) 1978-05-05
US4027283A (en) 1977-05-31
GB1541644A (en) 1979-03-07
JPS5239325A (en) 1977-03-26

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Legal Events

Date Code Title Description
ST Notification of lapse