GB8710165D0 - Data protective apparatus - Google Patents

Data protective apparatus

Info

Publication number
GB8710165D0
GB8710165D0 GB878710165A GB8710165A GB8710165D0 GB 8710165 D0 GB8710165 D0 GB 8710165D0 GB 878710165 A GB878710165 A GB 878710165A GB 8710165 A GB8710165 A GB 8710165A GB 8710165 D0 GB8710165 D0 GB 8710165D0
Authority
GB
United Kingdom
Prior art keywords
protective apparatus
data protective
data
protective
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.)
Withdrawn
Application number
GB878710165A
Other versions
GB2191613A (en
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.)
Hitachi Ltd
Original Assignee
Hitachi 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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB8710165D0 publication Critical patent/GB8710165D0/en
Publication of GB2191613A publication Critical patent/GB2191613A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2487—Methods for rewriting
    • F02D41/249—Methods for preventing the loss of data
GB08710165A 1986-05-01 1987-04-29 Data protection apparatus Withdrawn GB2191613A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61099486A JPS62258154A (en) 1986-05-01 1986-05-01 Data back-up device

Publications (2)

Publication Number Publication Date
GB8710165D0 true GB8710165D0 (en) 1987-06-03
GB2191613A GB2191613A (en) 1987-12-16

Family

ID=14248634

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08710165A Withdrawn GB2191613A (en) 1986-05-01 1987-04-29 Data protection apparatus

Country Status (4)

Country Link
JP (1) JPS62258154A (en)
KR (1) KR870011521A (en)
DE (1) DE3714325A1 (en)
GB (1) GB2191613A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06100947B2 (en) * 1988-01-29 1994-12-12 日本電気株式会社 Power control circuit
JPH0742888B2 (en) * 1988-07-27 1995-05-15 株式会社日立製作所 Engine controller
DE4014831A1 (en) * 1990-05-09 1991-12-12 Standard Elektrik Lorenz Ag Undervoltage protected circuit - comprises non-volatile memory, microprocessor and undervoltage detector, thus enables more rapid return to functionality
JPH04172510A (en) * 1990-11-07 1992-06-19 Toshiba Corp Rtc index register control method
DE4401891A1 (en) * 1994-01-24 1995-07-27 Bayerische Motoren Werke Ag Method for changing the operation of an automotive control unit
DE19605606B4 (en) * 1996-02-15 2005-01-27 Robert Bosch Gmbh Device for resetting a computing element
JP2001160004A (en) 1999-12-03 2001-06-12 Denso Corp Electronic controller
JP2006002715A (en) 2004-06-21 2006-01-05 Oki Electric Ind Co Ltd Engine control circuit
JP6193141B2 (en) * 2014-01-31 2017-09-06 本田技研工業株式会社 Fuel injection control device
JP6331446B2 (en) * 2014-02-14 2018-05-30 株式会社デンソー Vehicle information recording apparatus and program

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3723767A (en) * 1971-09-27 1973-03-27 Square D Co Reed relay type permanent nor memory circuit
US3757302A (en) * 1971-11-16 1973-09-04 Addressograph Multigraph Responsive power fail detection system
US3810116A (en) * 1972-11-24 1974-05-07 Sperry Rand Corp Volatile memory protection
GB1545169A (en) * 1977-09-22 1979-05-02 Burroughs Corp Data processor system including data-save controller for protection against loss of volatile memory information during power failure
US4307455A (en) * 1978-02-27 1981-12-22 Rockwell International Corporation Power supply for computing means with data protected shut-down
US4234920A (en) * 1978-11-24 1980-11-18 Engineered Systems, Inc. Power failure detection and restart system
US4245150A (en) * 1979-02-26 1981-01-13 International Business Machines Corporation Power line disturbance detector circuit
US4285050A (en) * 1979-10-30 1981-08-18 Pitney Bowes Inc. Electronic postage meter operating voltage variation sensing system
US4327410A (en) * 1980-03-26 1982-04-27 Ncr Corporation Processor auto-recovery system
US4433390A (en) * 1981-07-30 1984-02-21 The Bendix Corporation Power processing reset system for a microprocessor responding to sudden deregulation of a voltage
JPS58174129A (en) * 1982-04-07 1983-10-13 Toyota Motor Corp Fuel injection control method of internal-combustion engine
JPS5949350A (en) * 1982-09-13 1984-03-21 Nippon Denso Co Ltd Contents protection method for backup memory of car controlling computer
DE3310585C2 (en) * 1983-03-23 1985-08-01 Texas Instruments Deutschland Gmbh, 8050 Freising Memory protection circuit

Also Published As

Publication number Publication date
KR870011521A (en) 1987-12-24
GB2191613A (en) 1987-12-16
DE3714325A1 (en) 1987-11-19
JPS62258154A (en) 1987-11-10

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)