JPS52116027A - Memory protection circuit in small size electronic devices - Google Patents
Memory protection circuit in small size electronic devicesInfo
- Publication number
- JPS52116027A JPS52116027A JP3280976A JP3280976A JPS52116027A JP S52116027 A JPS52116027 A JP S52116027A JP 3280976 A JP3280976 A JP 3280976A JP 3280976 A JP3280976 A JP 3280976A JP S52116027 A JPS52116027 A JP S52116027A
- Authority
- JP
- Japan
- Prior art keywords
- electronic devices
- protection circuit
- small size
- memory protection
- size electronic
- 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
Abstract
PURPOSE: To protect the memory content, by detecting the rated value for the level and inhibiting the data reception and transmission between the operational control circuit and the memory, when the cell voltage is less than the rated value.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3280976A JPS52116027A (en) | 1976-03-25 | 1976-03-25 | Memory protection circuit in small size electronic devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3280976A JPS52116027A (en) | 1976-03-25 | 1976-03-25 | Memory protection circuit in small size electronic devices |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52116027A true JPS52116027A (en) | 1977-09-29 |
Family
ID=12369150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3280976A Pending JPS52116027A (en) | 1976-03-25 | 1976-03-25 | Memory protection circuit in small size electronic devices |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52116027A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS553445U (en) * | 1978-06-23 | 1980-01-10 | ||
JPS57172595A (en) * | 1981-04-15 | 1982-10-23 | Ricoh Co Ltd | Memory protecting circuit |
JPS57184600U (en) * | 1981-05-18 | 1982-11-24 | ||
JPH01295327A (en) * | 1988-05-23 | 1989-11-29 | Pfu Ltd | Replacement time deciding system for parts of printer device |
JPH06162767A (en) * | 1993-08-11 | 1994-06-10 | Seiko Epson Corp | Electronic computer |
-
1976
- 1976-03-25 JP JP3280976A patent/JPS52116027A/en active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS553445U (en) * | 1978-06-23 | 1980-01-10 | ||
JPS5847599Y2 (en) * | 1978-06-23 | 1983-10-29 | 菊水電子工業株式会社 | semiconductor storage device |
JPS57172595A (en) * | 1981-04-15 | 1982-10-23 | Ricoh Co Ltd | Memory protecting circuit |
JPS57184600U (en) * | 1981-05-18 | 1982-11-24 | ||
JPH0124656Y2 (en) * | 1981-05-18 | 1989-07-26 | ||
JPH01295327A (en) * | 1988-05-23 | 1989-11-29 | Pfu Ltd | Replacement time deciding system for parts of printer device |
JPH0528851B2 (en) * | 1988-05-23 | 1993-04-27 | Pfu Ltd | |
JPH06162767A (en) * | 1993-08-11 | 1994-06-10 | Seiko Epson Corp | Electronic computer |
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