JPS6230109Y2 - - Google Patents

Info

Publication number
JPS6230109Y2
JPS6230109Y2 JP1984198172U JP19817284U JPS6230109Y2 JP S6230109 Y2 JPS6230109 Y2 JP S6230109Y2 JP 1984198172 U JP1984198172 U JP 1984198172U JP 19817284 U JP19817284 U JP 19817284U JP S6230109 Y2 JPS6230109 Y2 JP S6230109Y2
Authority
JP
Japan
Prior art keywords
volatile memory
power supply
memory
detection means
light detection
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.)
Expired
Application number
JP1984198172U
Other languages
English (en)
Japanese (ja)
Other versions
JPS61120957U (de
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1984198172U priority Critical patent/JPS6230109Y2/ja
Publication of JPS61120957U publication Critical patent/JPS61120957U/ja
Application granted granted Critical
Publication of JPS6230109Y2 publication Critical patent/JPS6230109Y2/ja
Expired legal-status Critical Current

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Landscapes

  • Storage Device Security (AREA)
JP1984198172U 1984-12-31 1984-12-31 Expired JPS6230109Y2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984198172U JPS6230109Y2 (de) 1984-12-31 1984-12-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984198172U JPS6230109Y2 (de) 1984-12-31 1984-12-31

Publications (2)

Publication Number Publication Date
JPS61120957U JPS61120957U (de) 1986-07-30
JPS6230109Y2 true JPS6230109Y2 (de) 1987-08-03

Family

ID=30756937

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984198172U Expired JPS6230109Y2 (de) 1984-12-31 1984-12-31

Country Status (1)

Country Link
JP (1) JPS6230109Y2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63124153A (ja) * 1986-11-05 1988-05-27 インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン 記憶情報保護装置
JPH0646373B2 (ja) * 1987-01-28 1994-06-15 アンリツ株式会社 メモリのバツクアツプ回路

Also Published As

Publication number Publication date
JPS61120957U (de) 1986-07-30

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