JPS544561A - Matrix circuit - Google Patents

Matrix circuit

Info

Publication number
JPS544561A
JPS544561A JP6969477A JP6969477A JPS544561A JP S544561 A JPS544561 A JP S544561A JP 6969477 A JP6969477 A JP 6969477A JP 6969477 A JP6969477 A JP 6969477A JP S544561 A JPS544561 A JP S544561A
Authority
JP
Japan
Prior art keywords
matrix circuit
current
flowing
current supply
constant
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
JP6969477A
Other languages
Japanese (ja)
Inventor
Shigeru Takano
Shinji Goto
Haruyuki Yoshino
Tsugio Umemiya
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 Ltd
Original Assignee
Fujitsu 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 Ltd filed Critical Fujitsu Ltd
Priority to JP6969477A priority Critical patent/JPS544561A/en
Publication of JPS544561A publication Critical patent/JPS544561A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/62—Switching arrangements with several input- output-terminals, e.g. multiplexers, distributors

Landscapes

  • Input From Keyboards Or The Like (AREA)
  • Electronic Switches (AREA)

Abstract

PURPOSE:To make it possible to use a simple driver in a matrix circuit by connecting current supply terminal for flowing a current to respective conductors to a constant current supply in parallel and by limiting a current flowing to each conductor to a constant value.
JP6969477A 1977-06-13 1977-06-13 Matrix circuit Pending JPS544561A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6969477A JPS544561A (en) 1977-06-13 1977-06-13 Matrix circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6969477A JPS544561A (en) 1977-06-13 1977-06-13 Matrix circuit

Publications (1)

Publication Number Publication Date
JPS544561A true JPS544561A (en) 1979-01-13

Family

ID=13410224

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6969477A Pending JPS544561A (en) 1977-06-13 1977-06-13 Matrix circuit

Country Status (1)

Country Link
JP (1) JPS544561A (en)

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