FR2325148A1 - Memoire a bulles magnetiques resynchronisable - Google Patents
Memoire a bulles magnetiques resynchronisableInfo
- 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
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)
- Synchronisation In Digital Transmission Systems (AREA)
- Shift Register Type Memory (AREA)
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)
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)
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)
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)
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 |
-
1975
- 1975-09-22 US US05/615,638 patent/US4027283A/en not_active Expired - Lifetime
-
1976
- 1976-08-10 FR FR7625013A patent/FR2325148A1/fr active Granted
- 1976-08-20 JP JP51098823A patent/JPS5239325A/ja active Pending
- 1976-09-02 GB GB36280/76A patent/GB1541644A/en not_active Expired
Patent Citations (2)
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)
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 |
---|---|
JPS5239325A (en) | 1977-03-26 |
FR2325148B1 (fr) | 1978-05-05 |
US4027283A (en) | 1977-05-31 |
GB1541644A (en) | 1979-03-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |