JPS6448190A - Error data clearing system for memory in electronic time recorder - Google Patents

Error data clearing system for memory in electronic time recorder

Info

Publication number
JPS6448190A
JPS6448190A JP62203978A JP20397887A JPS6448190A JP S6448190 A JPS6448190 A JP S6448190A JP 62203978 A JP62203978 A JP 62203978A JP 20397887 A JP20397887 A JP 20397887A JP S6448190 A JPS6448190 A JP S6448190A
Authority
JP
Japan
Prior art keywords
memory
block
error
error data
check
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
JP62203978A
Other languages
Japanese (ja)
Inventor
Hiroo Yamamoto
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.)
Fujitsu Frontech Ltd
Original Assignee
Fujitsu Frontech 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 Fujitsu Frontech Ltd filed Critical Fujitsu Frontech Ltd
Priority to JP62203978A priority Critical patent/JPS6448190A/en
Publication of JPS6448190A publication Critical patent/JPS6448190A/en
Pending legal-status Critical Current

Links

Landscapes

  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Debugging And Monitoring (AREA)

Abstract

PURPOSE: To make it possible to clear only a block wherein a memory error occurs by applying a check digit in each memory block storing employee's working data. CONSTITUTION: The storage area of a memory for storing employee's working data is divided into plural blocks a, b, c,... to which respective check bits a', b', c',... are added. Memory error check is executed in each block, a new check bit is prepared only for the block generating an error and data are cleared to zero. Thereby, even when a memory error is generated, a memory area to be cleared is limited and working data stored in other areas can be transferred to a personal computer arranged in a head office or the like.
JP62203978A 1987-08-19 1987-08-19 Error data clearing system for memory in electronic time recorder Pending JPS6448190A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62203978A JPS6448190A (en) 1987-08-19 1987-08-19 Error data clearing system for memory in electronic time recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62203978A JPS6448190A (en) 1987-08-19 1987-08-19 Error data clearing system for memory in electronic time recorder

Publications (1)

Publication Number Publication Date
JPS6448190A true JPS6448190A (en) 1989-02-22

Family

ID=16482773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62203978A Pending JPS6448190A (en) 1987-08-19 1987-08-19 Error data clearing system for memory in electronic time recorder

Country Status (1)

Country Link
JP (1) JPS6448190A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013037574A (en) * 2011-08-09 2013-02-21 Yazaki Energy System Corp Operation card initialization method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52140249A (en) * 1976-05-18 1977-11-22 Nippon Denso Co Ltd Time recorder
JPS58128096A (en) * 1981-12-19 1983-07-30 Fujitsu Ltd Memory clear system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52140249A (en) * 1976-05-18 1977-11-22 Nippon Denso Co Ltd Time recorder
JPS58128096A (en) * 1981-12-19 1983-07-30 Fujitsu Ltd Memory clear system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013037574A (en) * 2011-08-09 2013-02-21 Yazaki Energy System Corp Operation card initialization method

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