IT7821204A0 - Apparecchiatura per proteggere un'area di memoria critica in un sistema di elaborazione dei dati. - Google Patents
Apparecchiatura per proteggere un'area di memoria critica in un sistema di elaborazione dei dati.Info
- Publication number
- IT7821204A0 IT7821204A0 IT7821204A IT2120478A IT7821204A0 IT 7821204 A0 IT7821204 A0 IT 7821204A0 IT 7821204 A IT7821204 A IT 7821204A IT 2120478 A IT2120478 A IT 2120478A IT 7821204 A0 IT7821204 A0 IT 7821204A0
- Authority
- IT
- Italy
- Prior art keywords
- protecting
- equipment
- data processing
- processing system
- memory area
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/14—Protection against unauthorised use of memory or access to memory
- G06F12/1416—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights
- G06F12/1425—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Storage Device Security (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/780,937 US4093987A (en) | 1977-03-24 | 1977-03-24 | Hardware control storage area protection method and means |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7821204A0 true IT7821204A0 (it) | 1978-03-15 |
IT1110466B IT1110466B (it) | 1985-12-23 |
Family
ID=25121142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21204/78A IT1110466B (it) | 1977-03-24 | 1978-03-15 | Apparecchiatura per proteggere un'area di memoria critica in un sistema di elaborazione dei dati |
Country Status (7)
Country | Link |
---|---|
US (1) | US4093987A (it) |
JP (1) | JPS53118321A (it) |
CA (1) | CA1085517A (it) |
DE (1) | DE2810421C2 (it) |
FR (1) | FR2385149A1 (it) |
GB (1) | GB1579526A (it) |
IT (1) | IT1110466B (it) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4408292A (en) * | 1979-09-27 | 1983-10-04 | Sharp Kabushiki Kaisha | Data print control in an electronic cash register |
US4405983A (en) * | 1980-12-17 | 1983-09-20 | Bell Telephone Laboratories, Incorporated | Auxiliary memory for microprocessor stack overflow |
US4472790A (en) * | 1982-02-05 | 1984-09-18 | International Business Machines Corporation | Storage fetch protect override controls |
US4506329A (en) * | 1982-03-08 | 1985-03-19 | Pitney Bowes Inc. | Non-volatile memory serial number lock for electronic postage meter |
US4590552A (en) * | 1982-06-30 | 1986-05-20 | Texas Instruments Incorporated | Security bit for designating the security status of information stored in a nonvolatile memory |
US4499545A (en) * | 1982-06-30 | 1985-02-12 | Pitney Bowes Inc. | Method and apparatus for individualized selection of special fee postage value computations |
US4525786A (en) * | 1982-07-12 | 1985-06-25 | Pitney Bowes Inc. | Electronic postage meter having a one time actuable operating program to enable setting of critical accounting registers to predetermined values |
JPS60107156A (ja) * | 1983-11-16 | 1985-06-12 | Hitachi Ltd | デ−タ処理システム |
FR2586310A1 (fr) * | 1985-08-14 | 1987-02-20 | Daneluzzo Claude | Systeme de protection destine notamment aux logiciels |
JPH0434266Y2 (it) * | 1986-11-18 | 1992-08-14 | ||
US5778444A (en) * | 1996-05-06 | 1998-07-07 | Motorola, Inc. | Method and apparatus for reset-sensitive and controlled register write accesses in a data processing system with user and test modes |
US5920690A (en) * | 1997-08-11 | 1999-07-06 | Motorola, Inc. | Method and apparatus for providing access protection in an integrated circuit |
US7539828B2 (en) * | 2000-08-08 | 2009-05-26 | Faronics Corporation | Method and system for automatically preserving persistent storage |
US7409722B2 (en) * | 2003-05-01 | 2008-08-05 | Sun Microsystems, Inc. | Control status register access to enable domain reconfiguration |
EP1894101A1 (de) | 2005-06-23 | 2008-03-05 | Bayerische Motorenwerke Aktiengesellschaft | Verfahren und vorrichtung zum überwachen eines unerlaubten speicherzugriffs einer rechenvorrichtung, insbesondere in einem kraftfahrzeug |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1247707B (de) * | 1962-05-30 | 1967-08-17 | Telefunken Patent | Anordnung zur Datensicherung im Arbeitsspeicher einer elektronischen Rechenmaschine |
JPS4930578B1 (it) * | 1970-09-30 | 1974-08-14 | ||
US3761883A (en) * | 1972-01-20 | 1973-09-25 | Ibm | Storage protect key array for a multiprocessing system |
DD98383A1 (it) * | 1972-06-21 | 1973-06-12 | ||
US3916385A (en) * | 1973-12-12 | 1975-10-28 | Honeywell Inf Systems | Ring checking hardware |
-
1977
- 1977-03-24 US US05/780,937 patent/US4093987A/en not_active Expired - Lifetime
-
1978
- 1978-02-08 FR FR7804186A patent/FR2385149A1/fr active Granted
- 1978-02-17 GB GB6373/78A patent/GB1579526A/en not_active Expired
- 1978-03-01 CA CA297,981A patent/CA1085517A/en not_active Expired
- 1978-03-10 JP JP2675178A patent/JPS53118321A/ja active Granted
- 1978-03-10 DE DE2810421A patent/DE2810421C2/de not_active Expired
- 1978-03-15 IT IT21204/78A patent/IT1110466B/it active
Also Published As
Publication number | Publication date |
---|---|
DE2810421A1 (de) | 1978-10-05 |
US4093987A (en) | 1978-06-06 |
DE2810421C2 (de) | 1982-06-16 |
IT1110466B (it) | 1985-12-23 |
JPS5727560B2 (it) | 1982-06-11 |
CA1085517A (en) | 1980-09-09 |
GB1579526A (en) | 1980-11-19 |
FR2385149A1 (fr) | 1978-10-20 |
JPS53118321A (en) | 1978-10-16 |
FR2385149B1 (it) | 1981-07-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT7928240A0 (it) | Sistema perfezionato di elaborazione dei dati. | |
ES515971A0 (es) | "un aparato de tratamiento de datos". | |
ES510176A0 (es) | "un aparato de tratamiento de datos, perfeccionado". | |
ES498162A0 (es) | Un aparato de almacenamiento y recuperacion de informacion. | |
ES492247A0 (es) | Un sistema de tratamiento de datos | |
ES493800A0 (es) | Un sistema de tratamiento de datos perfeccionado | |
DE3860162D1 (de) | Schaltungsanordnung zum ausloesen eines schutzsystems. | |
IT8019965A0 (it) | Sistema di elaborazione di dati. | |
ES517025A0 (es) | Aparato de tratamiento de datos perfeccionado. | |
IT7821204A0 (it) | Apparecchiatura per proteggere un'area di memoria critica in un sistema di elaborazione dei dati. | |
IT7826648A0 (it) | Dispositivo per la trasformazione di indirizzi virtuali in indirizzi fisici in un sistema di elaborazione dati. | |
IT8224425A0 (it) | Cuffia di protezione per lucchetti. | |
IT8522640A0 (it) | Dispositivo di elaborazione di dati. | |
IT1113697B (it) | Apparecchiatura perfezionata per l'elaborazione di dati | |
IT1108470B (it) | Sistema lettore di caratteri | |
ES515726A0 (es) | "aparato perfeccionado de tratamiento de datos". | |
IT1152092B (it) | Sistema di sicurezza per aree protette, con livelli d'accesso multipli | |
NL7804670A (nl) | Gemikroprogrammeerd stelsel voor gegevensoverdracht. | |
IT7821981A0 (it) | Dispositivo per l'evasione di ordini di stampa. | |
IT1115666B (it) | Apparecchiatura di segnalazione di corrispondenza di indirizzo per un sistema di elaborazione dei dati | |
IT7983634A0 (it) | Sistema protettivo per condensatori. | |
NO813195L (no) | Sikringsanordning for prosjektil. | |
IT7922990A0 (it) | Apparecchiatura per l'elaborazione dei dati. | |
IT7828974A0 (it) | Dispositivo optoelettrico per la lettura di informazioni trovantesi su un supporto d'informazioni. | |
IT1192335B (it) | Sistema di elaborazione dati numerici |