JPS5528617A - Drive system for transmission line - Google Patents

Drive system for transmission line

Info

Publication number
JPS5528617A
JPS5528617A JP10158378A JP10158378A JPS5528617A JP S5528617 A JPS5528617 A JP S5528617A JP 10158378 A JP10158378 A JP 10158378A JP 10158378 A JP10158378 A JP 10158378A JP S5528617 A JPS5528617 A JP S5528617A
Authority
JP
Japan
Prior art keywords
transmission line
cable
drive
drive circuit
diode
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
JP10158378A
Other languages
Japanese (ja)
Inventor
Osamu Wada
Mario Tokoro
Toru Nakagawa
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 JP10158378A priority Critical patent/JPS5528617A/en
Publication of JPS5528617A publication Critical patent/JPS5528617A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)

Abstract

PURPOSE:To enable the usage of various types of drive circuits by connecting the transmission drive circuit to the cable via the diode. CONSTITUTION:The transmission line is kept passive without providing active element on the transmission line 1. The output of the transmission line drive circuits 2 and 3 is coupled to the transmission line 1 via the diodes Ds and Dp in series and parallel connection. When the drive circuits 2 and 3 are driven in high level, the diode Ds is coupled to the cable to keep the cable in high level and in case of low level drive, since the cable is electrically separated, the condictive state from one drive circuit in high level to the drive circuit in low level is avoided to act like circuit protection. The diode Dp is to protect the drive circuit when the cable is at negative potential by such a cause as reflection of signal.
JP10158378A 1978-08-21 1978-08-21 Drive system for transmission line Pending JPS5528617A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10158378A JPS5528617A (en) 1978-08-21 1978-08-21 Drive system for transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10158378A JPS5528617A (en) 1978-08-21 1978-08-21 Drive system for transmission line

Publications (1)

Publication Number Publication Date
JPS5528617A true JPS5528617A (en) 1980-02-29

Family

ID=14304399

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10158378A Pending JPS5528617A (en) 1978-08-21 1978-08-21 Drive system for transmission line

Country Status (1)

Country Link
JP (1) JPS5528617A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3936921A1 (en) * 1988-11-07 1990-05-10 Shimano Industrial Co MULTI-SPEED SPROCKET ARRANGEMENT FOR BICYCLES
US5078653A (en) * 1989-05-01 1992-01-07 Shimano Industrial Company Limited Multistep sprocket wheel device for a bicycle
US5085621A (en) * 1990-02-28 1992-02-04 Shimano Corporation Multi-stage sprocket assembly for bicycle
US5087226A (en) * 1990-02-28 1992-02-11 Shimano Corporation Multi-stage sprocket assembly for bicycle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3936921A1 (en) * 1988-11-07 1990-05-10 Shimano Industrial Co MULTI-SPEED SPROCKET ARRANGEMENT FOR BICYCLES
US5078653A (en) * 1989-05-01 1992-01-07 Shimano Industrial Company Limited Multistep sprocket wheel device for a bicycle
US5085621A (en) * 1990-02-28 1992-02-04 Shimano Corporation Multi-stage sprocket assembly for bicycle
US5087226A (en) * 1990-02-28 1992-02-11 Shimano Corporation Multi-stage sprocket assembly for bicycle

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