HK1000677A1 - Data storage apparatus - Google Patents

Data storage apparatus

Info

Publication number
HK1000677A1
HK1000677A1 HK97102273A HK97102273A HK1000677A1 HK 1000677 A1 HK1000677 A1 HK 1000677A1 HK 97102273 A HK97102273 A HK 97102273A HK 97102273 A HK97102273 A HK 97102273A HK 1000677 A1 HK1000677 A1 HK 1000677A1
Authority
HK
Hong Kong
Prior art keywords
data storage
storage apparatus
data
storage
Prior art date
Application number
HK97102273A
Other languages
English (en)
Inventor
Tonegawa Nobuyuki
Yamaguchi Syuji
Original Assignee
Casio Computer Co Ltd
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
Priority claimed from JP1990128002U external-priority patent/JPH0485271U/ja
Priority claimed from JP2334527A external-priority patent/JP2979099B2/ja
Application filed by Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Publication of HK1000677A1 publication Critical patent/HK1000677A1/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/30—Power supply circuits
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00—Arrangements of electric power supplies in time pieces
    • G04C10/04—Arrangements of electric power supplies in time pieces with means for indicating the condition of the power supply
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G11/00—Producing optical signals at preselected times
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/26—Sensing or reading circuits; Data output circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electric Clocks (AREA)
HK97102273A 1990-11-30 1997-11-28 Data storage apparatus HK1000677A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1990128002U JPH0485271U (de) 1990-11-30 1990-11-30
JP2334527A JP2979099B2 (ja) 1990-11-30 1990-11-30 データ記憶装置

Publications (1)

Publication Number Publication Date
HK1000677A1 true HK1000677A1 (en) 1998-04-17

Family

ID=26463806

Family Applications (1)

Application Number Title Priority Date Filing Date
HK97102273A HK1000677A1 (en) 1990-11-30 1997-11-28 Data storage apparatus

Country Status (4)

Country Link
EP (1) EP0488354B1 (de)
KR (1) KR950012220B1 (de)
DE (1) DE69126103T2 (de)
HK (1) HK1000677A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60123403T2 (de) * 2000-08-11 2007-08-23 Seiko Epson Corp. Elektronisches gerät und verfahren zu dessen kontrolle

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2442394B2 (de) * 1973-09-06 1977-06-02 Citizen Watch Co., Ltd., Tokio Vollelektronische uhr
US4445198A (en) * 1981-09-29 1984-04-24 Pitney Bowes Inc. Memory protection circuit for an electronic postage meter
JPS58169395A (ja) * 1982-03-31 1983-10-05 Fujitsu Ltd 書き替え可能なｒｏｍ管理方式
US4534018A (en) * 1983-04-29 1985-08-06 Pitney Bowes Inc. Non-volatile memory protection circuit with microprocessor interaction
US4564922A (en) * 1983-10-14 1986-01-14 Pitney Bowes Inc. Postage meter with power-failure resistant memory
JPS62251912A (ja) * 1986-04-25 1987-11-02 Canon Inc 電池駆動コンピユ−タ
JPH02190715A (ja) * 1989-01-20 1990-07-26 Tokico Ltd 流量計
JP2869652B2 (ja) * 1989-03-29 1999-03-10 株式会社金門製作所 ガスメータ
JPH02275506A (ja) * 1989-04-18 1990-11-09 Amada Metrecs Co Ltd Ｃｎｃ装置

Also Published As

Publication number Publication date
DE69126103T2 (de) 1997-08-28
KR920010378A (ko) 1992-06-26
DE69126103D1 (de) 1997-06-19
EP0488354A3 (en) 1993-05-26
EP0488354B1 (de) 1997-05-14
KR950012220B1 (ko) 1995-10-16
EP0488354A2 (de) 1992-06-03

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)