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JPS5786934A - Data collection system - Google Patents

Data collection system

Info

Publication number
JPS5786934A
JPS5786934A JP16192280A JP16192280A JPS5786934A JP S5786934 A JPS5786934 A JP S5786934A JP 16192280 A JP16192280 A JP 16192280A JP 16192280 A JP16192280 A JP 16192280A JP S5786934 A JPS5786934 A JP S5786934A
Authority
JP
Japan
Prior art keywords
data
terminal equipment
last
block
power failure
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.)
Granted
Application number
JP16192280A
Other languages
Japanese (ja)
Other versions
JPS6214872B2 (en
Inventor
Hanzo Tsuzuki
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.)
Casio Computer Co Ltd
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
Application filed by Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Priority to JP16192280A priority Critical patent/JPS5786934A/en
Publication of JPS5786934A publication Critical patent/JPS5786934A/en
Publication of JPS6214872B2 publication Critical patent/JPS6214872B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
    • G06F13/4221—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus
    • G06F13/4226—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus with asynchronous protocol

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Cash Registers Or Receiving Machines (AREA)
  • Small-Scale Networks (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)

Abstract

PURPOSE:To collect untransmitted data automatically from a terminal equipment which recovers from a power failure, by resending data, preceding the last transmitted data by a prescribed number of blocks, from the terminal equipment after the recovery from the power failure and by receiving the data a stored number of blocks behind at a collector side. CONSTITUTION:When data is received from a terminal equipment within a prescribed time, the received block data in a transmitting buffer is transferred to a memory in a collector. When the contents of the storage area is an initial flag, this block data is considered to be of new kind and the operation is repeated until a final flag is confirmed in the storage area. When the initial flag is not confirmed in a step S7, the current and last block data are considered to be coincident and the control is transferred to a step S15, where when they are found unequal, an error is discriminated to move a step S16, thereby comparing the current and last block numbers with each other. When the current number is less than the last one, the terminal equipment is in a power failure state and after it recovers, it is judged that the same block is resent, so that the recollection of the data starting at halfway block data is started.
JP16192280A 1980-11-19 1980-11-19 Data collection system Granted JPS5786934A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16192280A JPS5786934A (en) 1980-11-19 1980-11-19 Data collection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16192280A JPS5786934A (en) 1980-11-19 1980-11-19 Data collection system

Publications (2)

Publication Number Publication Date
JPS5786934A true JPS5786934A (en) 1982-05-31
JPS6214872B2 JPS6214872B2 (en) 1987-04-04

Family

ID=15744577

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16192280A Granted JPS5786934A (en) 1980-11-19 1980-11-19 Data collection system

Country Status (1)

Country Link
JP (1) JPS5786934A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6198480A (en) * 1984-10-19 1986-05-16 Fujitsu Ltd Data transmission method
JPS6268347A (en) * 1985-09-20 1987-03-28 Casio Comput Co Ltd Data transmission method
JPS62136949A (en) * 1985-12-10 1987-06-19 Fujitsu Ltd Aggregation error correction method
JPS6436241A (en) * 1987-07-31 1989-02-07 Nippon Denki Home Electronics System for collecting data game machine
JPH0246293U (en) * 1988-09-24 1990-03-29

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0212948U (en) * 1988-07-12 1990-01-26

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5178954A (en) * 1974-12-31 1976-07-09 Fujitsu Ltd Dengenshogaino kirokuhoshiki

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5178954A (en) * 1974-12-31 1976-07-09 Fujitsu Ltd Dengenshogaino kirokuhoshiki

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6198480A (en) * 1984-10-19 1986-05-16 Fujitsu Ltd Data transmission method
JPS6268347A (en) * 1985-09-20 1987-03-28 Casio Comput Co Ltd Data transmission method
JPS62136949A (en) * 1985-12-10 1987-06-19 Fujitsu Ltd Aggregation error correction method
JPS6436241A (en) * 1987-07-31 1989-02-07 Nippon Denki Home Electronics System for collecting data game machine
JPH0246293U (en) * 1988-09-24 1990-03-29

Also Published As

Publication number Publication date
JPS6214872B2 (en) 1987-04-04

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