JPS5382211A - Earth obstacle detection system in channel driving device - Google Patents

Earth obstacle detection system in channel driving device

Info

Publication number
JPS5382211A
JPS5382211A JP15829676A JP15829676A JPS5382211A JP S5382211 A JPS5382211 A JP S5382211A JP 15829676 A JP15829676 A JP 15829676A JP 15829676 A JP15829676 A JP 15829676A JP S5382211 A JPS5382211 A JP S5382211A
Authority
JP
Japan
Prior art keywords
driving device
earth
detection system
obstacle detection
channel driving
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
JP15829676A
Other languages
Japanese (ja)
Inventor
Hiroyuki Noguchi
Masayoshi Takanashi
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP15829676A priority Critical patent/JPS5382211A/en
Publication of JPS5382211A publication Critical patent/JPS5382211A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/20—Testing circuits or apparatus; Circuits or apparatus for detecting, indicating, or signalling faults or troubles
    • H04Q1/22—Automatic arrangements
    • H04Q1/24—Automatic arrangements for connection devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)

Abstract

PURPOSE:To increase earth obstable detection capability with preventing driving circuit elements from damage at an earth obstacle time by providing an earth obstacle detector circuit every channel driving device.
JP15829676A 1976-12-28 1976-12-28 Earth obstacle detection system in channel driving device Pending JPS5382211A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15829676A JPS5382211A (en) 1976-12-28 1976-12-28 Earth obstacle detection system in channel driving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15829676A JPS5382211A (en) 1976-12-28 1976-12-28 Earth obstacle detection system in channel driving device

Publications (1)

Publication Number Publication Date
JPS5382211A true JPS5382211A (en) 1978-07-20

Family

ID=15668501

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15829676A Pending JPS5382211A (en) 1976-12-28 1976-12-28 Earth obstacle detection system in channel driving device

Country Status (1)

Country Link
JP (1) JPS5382211A (en)

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