USB587936I5 - - Google Patents
Info
- Publication number
- USB587936I5 USB587936I5 US58793675A USB587936I5 US B587936 I5 USB587936 I5 US B587936I5 US 58793675 A US58793675 A US 58793675A US B587936 I5 USB587936 I5 US B587936I5
- Authority
- US
- United States
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F12/1441—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 for a range
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)
- Debugging And Monitoring (AREA)
- Executing Machine-Instructions (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/587,936 US3999052A (en) | 1975-06-18 | 1975-06-18 | Upper bounds address checking system for providing storage protection for a digital data processor |
| GB18383/76A GB1523005A (en) | 1975-06-18 | 1976-05-05 | Data processing apparatus |
| FR7614184A FR2315146A1 (fr) | 1975-06-18 | 1976-05-06 | Systeme de verification d'adresse de limite superieure de memoire |
| JP51059723A JPS5914770B2 (ja) | 1975-06-18 | 1976-05-25 | デ−タ処理装置 |
| DE2625113A DE2625113C2 (de) | 1975-06-18 | 1976-06-04 | Speicherschutzeinrichtung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/587,936 US3999052A (en) | 1975-06-18 | 1975-06-18 | Upper bounds address checking system for providing storage protection for a digital data processor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| USB587936I5 true USB587936I5 (show.php) | 1976-03-23 |
| US3999052A US3999052A (en) | 1976-12-21 |
Family
ID=24351784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US05/587,936 Expired - Lifetime US3999052A (en) | 1975-06-18 | 1975-06-18 | Upper bounds address checking system for providing storage protection for a digital data processor |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3999052A (show.php) |
| JP (1) | JPS5914770B2 (show.php) |
| DE (1) | DE2625113C2 (show.php) |
| FR (1) | FR2315146A1 (show.php) |
| GB (1) | GB1523005A (show.php) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4050059A (en) | 1975-05-01 | 1977-09-20 | Plessey Handel Und Investments A.G. | Data processing read and hold facility |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4133028A (en) * | 1976-10-01 | 1979-01-02 | Data General Corporation | Data processing system having a cpu register file and a memory address register separate therefrom |
| DE2842548A1 (de) * | 1978-09-29 | 1980-04-10 | Siemens Ag | Programmierbare speicherschutzlogik fuer mikroprozessorsysteme |
| US4430711A (en) | 1980-05-30 | 1984-02-07 | Signetics Corporation | Central processing unit |
| US4627017A (en) * | 1980-10-22 | 1986-12-02 | International Business Machines Corporation | Address range determination |
| JPS58149548A (ja) * | 1982-03-02 | 1983-09-05 | Hitachi Ltd | メモリ制御方式 |
| US4592005A (en) * | 1982-07-06 | 1986-05-27 | Sperry Corporation | Masked arithmetic logic unit |
| GB2127994B (en) * | 1982-09-29 | 1987-01-21 | Apple Computer | Memory management unit for digital computer |
| JPS59125462A (ja) * | 1982-12-30 | 1984-07-19 | Fujitsu Ltd | ボリユ−ム管理情報の保護方式 |
| US5101370A (en) * | 1990-07-26 | 1992-03-31 | Unisys Corporation | Programmable digital accumulate and scale circuit |
| WO1992008186A1 (en) * | 1990-11-02 | 1992-05-14 | Analog Devices, Inc. | Address generator for circular buffer |
| US5623621A (en) * | 1990-11-02 | 1997-04-22 | Analog Devices, Inc. | Apparatus for generating target addresses within a circular buffer including a register for storing position and size of the circular buffer |
| US5787492A (en) * | 1996-04-09 | 1998-07-28 | International Business Machines Corporation | Address limit check apparatus with conditional carry logic |
| US5949972A (en) * | 1996-08-23 | 1999-09-07 | Compuware Corporation | System for memory error checking in an executable |
| US6583945B1 (en) | 1998-10-30 | 2003-06-24 | Iomega Corporation | Method for irreversibly write-securing a magnetic storage cartridge |
| JP2001022637A (ja) * | 1999-07-07 | 2001-01-26 | Fujitsu Ltd | メモリ制御装置及び情報処理装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB986929A (en) * | 1961-06-08 | 1965-03-24 | Decca Ltd | Improvements in or relating to data processing apparatus |
| US3639912A (en) * | 1969-04-16 | 1972-02-01 | Honeywell Inf Systems | Management control subsystem for multiprogrammed data processing system |
| DE2222195A1 (de) * | 1972-05-05 | 1973-11-22 | Siemens Ag | Anordnung zur verarbeitung von operanden von programmen |
| US3863061A (en) * | 1973-08-16 | 1975-01-28 | Us Navy | Alu with end-around carry derived from auxiliary unit |
-
1975
- 1975-06-18 US US05/587,936 patent/US3999052A/en not_active Expired - Lifetime
-
1976
- 1976-05-05 GB GB18383/76A patent/GB1523005A/en not_active Expired
- 1976-05-06 FR FR7614184A patent/FR2315146A1/fr active Granted
- 1976-05-25 JP JP51059723A patent/JPS5914770B2/ja not_active Expired
- 1976-06-04 DE DE2625113A patent/DE2625113C2/de not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4050059A (en) | 1975-05-01 | 1977-09-20 | Plessey Handel Und Investments A.G. | Data processing read and hold facility |
Also Published As
| Publication number | Publication date |
|---|---|
| US3999052A (en) | 1976-12-21 |
| DE2625113A1 (de) | 1976-12-30 |
| GB1523005A (en) | 1978-08-31 |
| FR2315146A1 (fr) | 1977-01-14 |
| DE2625113C2 (de) | 1984-01-05 |
| FR2315146B1 (show.php) | 1979-09-21 |
| JPS5914770B2 (ja) | 1984-04-06 |
| JPS522227A (en) | 1977-01-08 |