JPS56111114A - Card reader - Google Patents

Card reader

Info

Publication number
JPS56111114A
JPS56111114A JP1506980A JP1506980A JPS56111114A JP S56111114 A JPS56111114 A JP S56111114A JP 1506980 A JP1506980 A JP 1506980A JP 1506980 A JP1506980 A JP 1506980A JP S56111114 A JPS56111114 A JP S56111114A
Authority
JP
Japan
Prior art keywords
card
code
cpu
stored
constitution
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
JP1506980A
Other languages
Japanese (ja)
Inventor
Yasuhiro Tanabe
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.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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 Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP1506980A priority Critical patent/JPS56111114A/en
Publication of JPS56111114A publication Critical patent/JPS56111114A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/08—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers from or to individual record carriers, e.g. punched card, memory card, integrated circuit [IC] card or smart card

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

PURPOSE:To reduce the processing time of CPU, by picking up only effective data with CPU, through the storage of ineffective and effective data stored in a card by reading out at a bundle during the operating period of human being. CONSTITUTION:When a magnetic head 2 reads in the card information recorded in a magnetic card 1, the card information is given to a card presence detection circuit 4 and a buffer register 6, and thus the card information including effective data stored in the magnetic card 1 as well as ineffective data such as preamble 11 and postamble 16 is once stored in the buffer register 6, and only STX code 12, data 13, EXT code 14 and LRC code 15 are picked up and stored in a memory 9 among them. Thus, the processing time of CPU is shortened and the hardware constitution to detect the STX code is made unnecessary to simplify the circuit constitution.
JP1506980A 1980-02-08 1980-02-08 Card reader Pending JPS56111114A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1506980A JPS56111114A (en) 1980-02-08 1980-02-08 Card reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1506980A JPS56111114A (en) 1980-02-08 1980-02-08 Card reader

Publications (1)

Publication Number Publication Date
JPS56111114A true JPS56111114A (en) 1981-09-02

Family

ID=11878551

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1506980A Pending JPS56111114A (en) 1980-02-08 1980-02-08 Card reader

Country Status (1)

Country Link
JP (1) JPS56111114A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986006535A1 (en) * 1985-04-23 1986-11-06 Dai Nippon Insatsu Kabushiki Kaisha Method of recording data onto an optical data recording card

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4931246A (en) * 1972-07-21 1974-03-20
JPS5261937A (en) * 1975-11-18 1977-05-21 Casio Comput Co Ltd Data transfer control unit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4931246A (en) * 1972-07-21 1974-03-20
JPS5261937A (en) * 1975-11-18 1977-05-21 Casio Comput Co Ltd Data transfer control unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986006535A1 (en) * 1985-04-23 1986-11-06 Dai Nippon Insatsu Kabushiki Kaisha Method of recording data onto an optical data recording card

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