JPS558153A - Circuit monitor unit - Google Patents

Circuit monitor unit

Info

Publication number
JPS558153A
JPS558153A JP8090578A JP8090578A JPS558153A JP S558153 A JPS558153 A JP S558153A JP 8090578 A JP8090578 A JP 8090578A JP 8090578 A JP8090578 A JP 8090578A JP S558153 A JPS558153 A JP S558153A
Authority
JP
Japan
Prior art keywords
driving circuit
display driving
signal line
signal
wound
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
JP8090578A
Other languages
Japanese (ja)
Inventor
Harumi Nagasawa
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8090578A priority Critical patent/JPS558153A/en
Publication of JPS558153A publication Critical patent/JPS558153A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/0175—Coupling arrangements; Interface arrangements
    • H03K19/017545—Coupling arrangements; Impedance matching circuits

Abstract

PURPOSE:To avoid increment of the input impedance for the display driving circuit by securing a magnetic connection between the signal line and the display driving circuit with istallation of the magnetic sensor element, and thus to prevent easily the misdisplay caused by the inductive noise. CONSTITUTION:In circuit monitor unit 101, a magnetic connection is given between signal lines 113/115 of the cable between data terminal units 111 and 121 and corresponding display driving circuit 104 via magnetic sensor element 302 such as the Hall device. In other words, signal line 602 (equivalent to signal lines 113, 115) of introduced cable 601 between units is wound, for example, 10 turns round the cylinder of corresponding fixing means 501 to be held. Accordingly, signal line 602 can be held near element 302 just by being wound round means 501 without exfoliating nor cutting off the insulated coating of line 602. At the same time, linr 602 has the self-inductance at the area which is wound round means 501, and this inductance never affects the signal waveform of the data communication.
JP8090578A 1978-07-05 1978-07-05 Circuit monitor unit Pending JPS558153A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8090578A JPS558153A (en) 1978-07-05 1978-07-05 Circuit monitor unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8090578A JPS558153A (en) 1978-07-05 1978-07-05 Circuit monitor unit

Publications (1)

Publication Number Publication Date
JPS558153A true JPS558153A (en) 1980-01-21

Family

ID=13731380

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8090578A Pending JPS558153A (en) 1978-07-05 1978-07-05 Circuit monitor unit

Country Status (1)

Country Link
JP (1) JPS558153A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5399965A (en) * 1992-02-21 1995-03-21 Deutsche Itt Industries Gmbh Floating data interface
EP0875995A1 (en) * 1997-04-30 1998-11-04 Siemens Aktiengesellschaft Integrated data transmission circuit with galvanic isolation between input and output

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5399965A (en) * 1992-02-21 1995-03-21 Deutsche Itt Industries Gmbh Floating data interface
EP0875995A1 (en) * 1997-04-30 1998-11-04 Siemens Aktiengesellschaft Integrated data transmission circuit with galvanic isolation between input and output

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