JPS57137925A - Answer back confirmation system of item panel or the like - Google Patents

Answer back confirmation system of item panel or the like

Info

Publication number
JPS57137925A
JPS57137925A JP56023761A JP2376181A JPS57137925A JP S57137925 A JPS57137925 A JP S57137925A JP 56023761 A JP56023761 A JP 56023761A JP 2376181 A JP2376181 A JP 2376181A JP S57137925 A JPS57137925 A JP S57137925A
Authority
JP
Japan
Prior art keywords
cpu
signal
generated
input data
item panel
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
JP56023761A
Other languages
Japanese (ja)
Inventor
Tsuneyoshi Muranaka
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP56023761A priority Critical patent/JPS57137925A/en
Publication of JPS57137925A publication Critical patent/JPS57137925A/en
Pending 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)
  • Input From Keyboards Or The Like (AREA)

Abstract

PURPOSE:To prevent omission of a part of continuous input data, by informing a CPU and other host apparatuses that an input data has been generated, in case when an input operation has been executed by an operator. CONSTITUTION:An item panel controlling part 2 which has received this signal (b) only sends out an information signal (e) for informing that input data has been generated, to a CPU and other host apparatuses through a CPU interface circuit 5, and a display instruction signal (c) to the display menas is not generated. Subsequently, when the CPU, etc. receive and confirm this information signal (e), the CPU generates the display instruction signal (c) as a confirmation signal ACK, and transmits a signal (d) to the item panel control part 2 through the CPU interface circuit 5.
JP56023761A 1981-02-20 1981-02-20 Answer back confirmation system of item panel or the like Pending JPS57137925A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56023761A JPS57137925A (en) 1981-02-20 1981-02-20 Answer back confirmation system of item panel or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56023761A JPS57137925A (en) 1981-02-20 1981-02-20 Answer back confirmation system of item panel or the like

Publications (1)

Publication Number Publication Date
JPS57137925A true JPS57137925A (en) 1982-08-25

Family

ID=12119312

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56023761A Pending JPS57137925A (en) 1981-02-20 1981-02-20 Answer back confirmation system of item panel or the like

Country Status (1)

Country Link
JP (1) JPS57137925A (en)

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