BE843562A - Systeme de securite a multiplexeur - Google Patents
Systeme de securite a multiplexeurInfo
- Publication number
- BE843562A BE843562A BE168444A BE168444A BE843562A BE 843562 A BE843562 A BE 843562A BE 168444 A BE168444 A BE 168444A BE 168444 A BE168444 A BE 168444A BE 843562 A BE843562 A BE 843562A
- Authority
- BE
- Belgium
- Prior art keywords
- multiplexer
- security system
- security
- multiplexer security
- 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
- G06F12/1433—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 module or a part of a module
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)
- Bus Control (AREA)
- Multi Processors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/591,563 US4017839A (en) | 1975-06-30 | 1975-06-30 | Input/output multiplexer security system |
Publications (1)
Publication Number | Publication Date |
---|---|
BE843562A true BE843562A (fr) | 1976-10-18 |
Family
ID=24366962
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE168444A BE843562A (fr) | 1975-06-30 | 1976-06-29 | Systeme de securite a multiplexeur |
Country Status (7)
Country | Link |
---|---|
US (1) | US4017839A (fr) |
JP (1) | JPS526432A (fr) |
BE (1) | BE843562A (fr) |
CA (1) | CA1074456A (fr) |
DE (1) | DE2629266A1 (fr) |
FR (1) | FR2316657A1 (fr) |
GB (1) | GB1557672A (fr) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4271466A (en) * | 1975-02-20 | 1981-06-02 | Panafacom Limited | Direct memory access control system with byte/word control of data bus |
US4124889A (en) * | 1975-12-24 | 1978-11-07 | Computer Automation, Inc. | Distributed input/output controller system |
US4313160A (en) * | 1976-08-17 | 1982-01-26 | Computer Automation, Inc. | Distributed input/output controller system |
US4494186A (en) * | 1976-11-11 | 1985-01-15 | Honeywell Information Systems Inc. | Automatic data steering and data formatting mechanism |
US4093986A (en) * | 1976-12-27 | 1978-06-06 | International Business Machines Corporation | Address translation with storage protection |
US4104721A (en) * | 1976-12-30 | 1978-08-01 | International Business Machines Corporation | Hierarchical security mechanism for dynamically assigning security levels to object programs |
US4156907A (en) * | 1977-03-02 | 1979-05-29 | Burroughs Corporation | Data communications subsystem |
US4296464A (en) * | 1977-03-03 | 1981-10-20 | Honeywell Inc. | Process control system with local microprocessor control means |
US4115854A (en) * | 1977-03-28 | 1978-09-19 | International Business Machines Corporation | Channel bus controller |
JPS5530730A (en) * | 1978-08-22 | 1980-03-04 | Nec Corp | Data processor |
US4370708A (en) * | 1978-10-31 | 1983-01-25 | Honeywell Information Systems Inc. | Logic system for selectively reconfiguring an intersystem communication link |
US4384322A (en) * | 1978-10-31 | 1983-05-17 | Honeywell Information Systems Inc. | Asynchronous multi-communication bus sequence |
US4287562A (en) * | 1979-09-06 | 1981-09-01 | Honeywell Information Systems Inc. | Real time adapter unit for use in a data processing system |
US4310895A (en) * | 1979-11-02 | 1982-01-12 | International Business Machines Corporation | Plural null digital interconnections |
DE3041219C2 (de) * | 1980-11-03 | 1983-11-03 | Bruker Analytische Meßtechnik GmbH, 7512 Rheinstetten | Vorrichtung zur Speicherung von Meßdaten |
US4425615A (en) | 1980-11-14 | 1984-01-10 | Sperry Corporation | Hierarchical memory system having cache/disk subsystem with command queues for plural disks |
US4831523A (en) * | 1986-10-31 | 1989-05-16 | Bull Hn Information Systems Inc. | Multiple DMA controller chip sequencer |
JPH077961B2 (ja) * | 1987-11-10 | 1995-01-30 | エシャロン・コーポレーション | 制御等を行うネットワークに使用されるセル |
US5113498A (en) * | 1987-11-10 | 1992-05-12 | Echelon Corporation | Input/output section for an intelligent cell which provides sensing, bidirectional communications and control |
JPH07122868B2 (ja) * | 1988-11-29 | 1995-12-25 | 日本電気株式会社 | 情報処理装置 |
US5185865A (en) * | 1989-08-04 | 1993-02-09 | Apple Computer, Inc. | System for simulating block transfer with slave module incapable of block transfer by locking bus for multiple individual transfers |
GB9010603D0 (en) * | 1990-05-11 | 1990-07-04 | Int Computers Ltd | Access control in a distributed computer system |
US5530901A (en) * | 1991-11-28 | 1996-06-25 | Ricoh Company, Ltd. | Data Transmission processing system having DMA channels running cyclically to execute data transmission from host to memory and from memory to processing unit successively |
US5692170A (en) * | 1995-04-28 | 1997-11-25 | Metaflow Technologies, Inc. | Apparatus for detecting and executing traps in a superscalar processor |
EP0825739A1 (fr) * | 1996-08-15 | 1998-02-25 | Koninklijke KPN N.V. | Procédé de chargement de commandes dans un module de sécurité d'un terminal |
US6320501B1 (en) | 1999-05-25 | 2001-11-20 | Pittway Corporation | Multiple sensor system for alarm determination with device-to-device communications |
KR100792213B1 (ko) * | 2005-08-11 | 2008-01-07 | 삼성전자주식회사 | 메모리 컨트롤러와 메모리를 인터페이싱하는 랩퍼 회로 |
US7530106B1 (en) | 2008-07-02 | 2009-05-05 | Kaspersky Lab, Zao | System and method for security rating of computer processes |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1365593A (fr) * | 1962-06-22 | 1964-11-03 | ||
US3328768A (en) * | 1964-04-06 | 1967-06-27 | Ibm | Storage protection systems |
US3530438A (en) * | 1965-12-13 | 1970-09-22 | Sperry Rand Corp | Task control |
US3447135A (en) * | 1966-08-18 | 1969-05-27 | Ibm | Peripheral data exchange |
US3562717A (en) * | 1968-02-23 | 1971-02-09 | Gen Electric | System protection apparatus |
US3815101A (en) * | 1972-11-08 | 1974-06-04 | Sperry Rand Corp | Processor state and storage limits register auto-switch |
US3845425A (en) * | 1973-06-15 | 1974-10-29 | Gte Automatic Electric Lab Inc | Method and apparatus for providing conditional and unconditional access to protected memory storage locations |
US3839706A (en) * | 1973-07-02 | 1974-10-01 | Ibm | Input/output channel relocation storage protect mechanism |
-
1975
- 1975-06-30 US US05/591,563 patent/US4017839A/en not_active Expired - Lifetime
-
1976
- 1976-05-17 CA CA252,681A patent/CA1074456A/fr not_active Expired
- 1976-06-28 FR FR7619655A patent/FR2316657A1/fr active Granted
- 1976-06-29 JP JP51076987A patent/JPS526432A/ja active Pending
- 1976-06-29 BE BE168444A patent/BE843562A/fr not_active IP Right Cessation
- 1976-06-30 GB GB27209/76A patent/GB1557672A/en not_active Expired
- 1976-06-30 DE DE19762629266 patent/DE2629266A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2629266A1 (de) | 1977-01-27 |
JPS526432A (en) | 1977-01-18 |
FR2316657A1 (fr) | 1977-01-28 |
US4017839A (en) | 1977-04-12 |
AU1422976A (en) | 1977-12-01 |
CA1074456A (fr) | 1980-03-25 |
FR2316657B1 (fr) | 1979-07-20 |
GB1557672A (en) | 1979-12-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: HONEYWELL INFORMATION SYSTEMS INC. Effective date: 19860630 |