JPH01155545U - - Google Patents
Info
- Publication number
- JPH01155545U JPH01155545U JP1988051494U JP5149488U JPH01155545U JP H01155545 U JPH01155545 U JP H01155545U JP 1988051494 U JP1988051494 U JP 1988051494U JP 5149488 U JP5149488 U JP 5149488U JP H01155545 U JPH01155545 U JP H01155545U
- Authority
- JP
- Japan
- Prior art keywords
- memory
- central processing
- processing unit
- instrument
- protection
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Storage Device Security (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988051494U JPH01155545U (enExample) | 1988-04-19 | 1988-04-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988051494U JPH01155545U (enExample) | 1988-04-19 | 1988-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01155545U true JPH01155545U (enExample) | 1989-10-25 |
Family
ID=31277516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988051494U Pending JPH01155545U (enExample) | 1988-04-19 | 1988-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01155545U (enExample) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5512567A (en) * | 1978-07-14 | 1980-01-29 | Hitachi Ltd | Memory protection circuit |
-
1988
- 1988-04-19 JP JP1988051494U patent/JPH01155545U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5512567A (en) * | 1978-07-14 | 1980-01-29 | Hitachi Ltd | Memory protection circuit |