JPS56114020A - Electronic machinery - Google Patents

Electronic machinery

Info

Publication number
JPS56114020A
JPS56114020A JP1583780A JP1583780A JPS56114020A JP S56114020 A JPS56114020 A JP S56114020A JP 1583780 A JP1583780 A JP 1583780A JP 1583780 A JP1583780 A JP 1583780A JP S56114020 A JPS56114020 A JP S56114020A
Authority
JP
Japan
Prior art keywords
power source
ram5
contents
turned
coincidence
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.)
Pending
Application number
JP1583780A
Other languages
Japanese (ja)
Inventor
Tomonobu China
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP1583780A priority Critical patent/JPS56114020A/en
Publication of JPS56114020A publication Critical patent/JPS56114020A/en
Pending 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
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Stand-By Power Supply Arrangements (AREA)
  • Power Sources (AREA)

Abstract

PURPOSE:To save the power consumption of the electronic machinery such as a data collector and the like, by protecting the storage contents of the ROM by a protective battery when the power source is off and checking whether the storage contents of the ROM are correct or not when the power source is on, respectively. CONSTITUTION:When the power source 7 is turned on, the control part 2 transfers the control program of the ROM3 to the RAM5. Thus the data sent from the input part 1 are stored successively in the RAM5 via the part 2 to be collected. Under these conditions, the power source 7 is turned off for waiting. Thus the contents of RAM5 are protected by the protective battery 9. After this, the power source 7 is turned on to check for coincidence of the contents between the ROM3 and RAM5 by part 2. When coincidence is obtained, the data collection is carried out. The faulty contents are decided for the RAM5 when no coincidence is obtained. Thus the announcement part 6 is actuated. In such way, the power source can be turned off at the time of waiting to save the power consumption.
JP1583780A 1980-02-12 1980-02-12 Electronic machinery Pending JPS56114020A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1583780A JPS56114020A (en) 1980-02-12 1980-02-12 Electronic machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1583780A JPS56114020A (en) 1980-02-12 1980-02-12 Electronic machinery

Publications (1)

Publication Number Publication Date
JPS56114020A true JPS56114020A (en) 1981-09-08

Family

ID=11899942

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1583780A Pending JPS56114020A (en) 1980-02-12 1980-02-12 Electronic machinery

Country Status (1)

Country Link
JP (1) JPS56114020A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2539527A1 (en) * 1983-01-19 1984-07-20 Diehl Gmbh & Co CONTROL CIRCUIT FOR A MICROCOMPUTER
JPH0627942A (en) * 1993-04-15 1994-02-04 Kawai Musical Instr Mfg Co Ltd Electronic musical instrument and its power-on time processing method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2539527A1 (en) * 1983-01-19 1984-07-20 Diehl Gmbh & Co CONTROL CIRCUIT FOR A MICROCOMPUTER
JPH0627942A (en) * 1993-04-15 1994-02-04 Kawai Musical Instr Mfg Co Ltd Electronic musical instrument and its power-on time processing method

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