JPH01158989U - - Google Patents

Info

Publication number
JPH01158989U
JPH01158989U JP5350588U JP5350588U JPH01158989U JP H01158989 U JPH01158989 U JP H01158989U JP 5350588 U JP5350588 U JP 5350588U JP 5350588 U JP5350588 U JP 5350588U JP H01158989 U JPH01158989 U JP H01158989U
Authority
JP
Japan
Prior art keywords
train detection
voltage
circuit
oscillation circuit
generates
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.)
Granted
Application number
JP5350588U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0522869Y2 (US06521211-20030218-C00004.png
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 filed Critical
Priority to JP5350588U priority Critical patent/JPH0522869Y2/ja
Publication of JPH01158989U publication Critical patent/JPH01158989U/ja
Application granted granted Critical
Publication of JPH0522869Y2 publication Critical patent/JPH0522869Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
JP5350588U 1988-04-22 1988-04-22 Expired - Lifetime JPH0522869Y2 (US06521211-20030218-C00004.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5350588U JPH0522869Y2 (US06521211-20030218-C00004.png) 1988-04-22 1988-04-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5350588U JPH0522869Y2 (US06521211-20030218-C00004.png) 1988-04-22 1988-04-22

Publications (2)

Publication Number Publication Date
JPH01158989U true JPH01158989U (US06521211-20030218-C00004.png) 1989-11-02
JPH0522869Y2 JPH0522869Y2 (US06521211-20030218-C00004.png) 1993-06-11

Family

ID=31279478

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5350588U Expired - Lifetime JPH0522869Y2 (US06521211-20030218-C00004.png) 1988-04-22 1988-04-22

Country Status (1)

Country Link
JP (1) JPH0522869Y2 (US06521211-20030218-C00004.png)

Also Published As

Publication number Publication date
JPH0522869Y2 (US06521211-20030218-C00004.png) 1993-06-11

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