JPH0187451U - - Google Patents
Info
- Publication number
- JPH0187451U JPH0187451U JP18327887U JP18327887U JPH0187451U JP H0187451 U JPH0187451 U JP H0187451U JP 18327887 U JP18327887 U JP 18327887U JP 18327887 U JP18327887 U JP 18327887U JP H0187451 U JPH0187451 U JP H0187451U
- Authority
- JP
- Japan
- Prior art keywords
- power source
- memory
- data storage
- battery
- storage memory
- 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.)
- Granted
Links
- 238000013500 data storage Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
Landscapes
- Techniques For Improving Reliability Of Storages (AREA)
- Power Sources (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987183278U JPH0637471Y2 (ja) | 1987-11-30 | 1987-11-30 | メモリバックアップ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987183278U JPH0637471Y2 (ja) | 1987-11-30 | 1987-11-30 | メモリバックアップ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0187451U true JPH0187451U (US07922777-20110412-C00004.png) | 1989-06-09 |
JPH0637471Y2 JPH0637471Y2 (ja) | 1994-09-28 |
Family
ID=31474707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987183278U Expired - Lifetime JPH0637471Y2 (ja) | 1987-11-30 | 1987-11-30 | メモリバックアップ装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0637471Y2 (US07922777-20110412-C00004.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03223835A (ja) * | 1990-01-30 | 1991-10-02 | Canon Inc | カメラのデータ記録装置及びカメラ |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58108534U (ja) * | 1982-01-14 | 1983-07-23 | 横河電機株式会社 | 揮発性メモリのバツテリバツクアツプ装置 |
JPS59178694A (ja) * | 1983-03-30 | 1984-10-09 | Hitachi Ltd | 外部記憶装置 |
JPS6027922A (ja) * | 1983-07-26 | 1985-02-13 | Canon Inc | 電子機器 |
JPS61101440U (US07922777-20110412-C00004.png) * | 1984-12-07 | 1986-06-28 | ||
JPS61115236U (US07922777-20110412-C00004.png) * | 1984-12-28 | 1986-07-21 | ||
JPS6227843A (ja) * | 1985-07-29 | 1987-02-05 | Sharp Corp | 電子装置 |
JPS6293739A (ja) * | 1985-10-19 | 1987-04-30 | Fujitsu Ltd | プロセツサの内部メモリ保護方式 |
-
1987
- 1987-11-30 JP JP1987183278U patent/JPH0637471Y2/ja not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58108534U (ja) * | 1982-01-14 | 1983-07-23 | 横河電機株式会社 | 揮発性メモリのバツテリバツクアツプ装置 |
JPS59178694A (ja) * | 1983-03-30 | 1984-10-09 | Hitachi Ltd | 外部記憶装置 |
JPS6027922A (ja) * | 1983-07-26 | 1985-02-13 | Canon Inc | 電子機器 |
JPS61101440U (US07922777-20110412-C00004.png) * | 1984-12-07 | 1986-06-28 | ||
JPS61115236U (US07922777-20110412-C00004.png) * | 1984-12-28 | 1986-07-21 | ||
JPS6227843A (ja) * | 1985-07-29 | 1987-02-05 | Sharp Corp | 電子装置 |
JPS6293739A (ja) * | 1985-10-19 | 1987-04-30 | Fujitsu Ltd | プロセツサの内部メモリ保護方式 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03223835A (ja) * | 1990-01-30 | 1991-10-02 | Canon Inc | カメラのデータ記録装置及びカメラ |
Also Published As
Publication number | Publication date |
---|---|
JPH0637471Y2 (ja) | 1994-09-28 |