AU516079B2 - Data processor having removable nonvolatile memory - Google Patents

Data processor having removable nonvolatile memory

Info

Publication number
AU516079B2
AU516079B2 AU34183/78A AU3418378A AU516079B2 AU 516079 B2 AU516079 B2 AU 516079B2 AU 34183/78 A AU34183/78 A AU 34183/78A AU 3418378 A AU3418378 A AU 3418378A AU 516079 B2 AU516079 B2 AU 516079B2
Authority
AU
Australia
Prior art keywords
nonvolatile memory
data processor
removable nonvolatile
removable
processor
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
AU34183/78A
Other versions
AU3418378A (en
Inventor
SE Cowles
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ferranti International PLC
Original Assignee
Ferranti PLC
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 by Ferranti PLC filed Critical Ferranti PLC
Publication of AU3418378A publication Critical patent/AU3418378A/en
Application granted granted Critical
Publication of AU516079B2 publication Critical patent/AU516079B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C5/00—Details of stores covered by group G11C11/00
    • G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
    • G11C5/143—Detection of memory cassette insertion or removal; Continuity checks of supply or ground lines; Detection of supply variations, interruptions or levels ; Switching between alternative supplies

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Security & Cryptography (AREA)
  • General Engineering & Computer Science (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Communication Control (AREA)
  • Power Sources (AREA)
AU34183/78A 1977-03-19 1978-03-16 Data processor having removable nonvolatile memory Expired AU516079B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB11704/77 1977-03-19
GB11704/77A GB1554013A (en) 1977-03-19 1977-03-19 Data processing

Publications (2)

Publication Number Publication Date
AU3418378A AU3418378A (en) 1979-09-20
AU516079B2 true AU516079B2 (en) 1981-05-14

Family

ID=9991170

Family Applications (1)

Application Number Title Priority Date Filing Date
AU34183/78A Expired AU516079B2 (en) 1977-03-19 1978-03-16 Data processor having removable nonvolatile memory

Country Status (11)

Country Link
AU (1) AU516079B2 (en)
BE (1) BE864893A (en)
BR (1) BR7801685A (en)
DE (1) DE2811121A1 (en)
DK (1) DK119278A (en)
FR (1) FR2384301A1 (en)
GB (1) GB1554013A (en)
IN (1) IN148642B (en)
IT (1) IT1103553B (en)
NL (1) NL7802779A (en)
NO (1) NO780871L (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4998888A (en) * 1984-07-23 1991-03-12 Sgs-Thomson Microelectronics, Inc. Integrated circuit package with battery housing
US5055704A (en) * 1984-07-23 1991-10-08 Sgs-Thomson Microelectronics, Inc. Integrated circuit package with battery housing
US5276354A (en) * 1981-05-27 1994-01-04 Sgs-Thomson Microelectronics, Inc. Integrated circuit package with battery housing
FR2519160A1 (en) * 1981-12-30 1983-07-01 Eldau Sarl Code recognition system for card operated lock - comprises memory on card accessed through microprocessor when correct procedure is followed by processor at lock
US4607351A (en) * 1985-01-14 1986-08-19 International Business Machine Corp. Cartridge memory protection
US5430681A (en) * 1989-05-08 1995-07-04 Hitachi Maxell, Ltd. Memory cartridge and its memory control method
JPH04205992A (en) * 1990-11-30 1992-07-28 Mitsubishi Electric Corp Input buffer circuit, input/output buffer circuit and portable type semiconductor memory device

Also Published As

Publication number Publication date
GB1554013A (en) 1979-10-17
NO780871L (en) 1978-09-20
BR7801685A (en) 1979-01-02
IN148642B (en) 1981-04-25
DE2811121A1 (en) 1978-09-28
AU3418378A (en) 1979-09-20
NL7802779A (en) 1978-09-21
IT1103553B (en) 1985-10-14
DK119278A (en) 1978-09-20
BE864893A (en) 1978-07-03
FR2384301A1 (en) 1978-10-13
IT7848483A0 (en) 1978-03-17

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