JPH0729757Y2 - 冷却ファンの機能低下検出回路 - Google Patents

冷却ファンの機能低下検出回路

Info

Publication number
JPH0729757Y2
JPH0729757Y2 JP1989082814U JP8281489U JPH0729757Y2 JP H0729757 Y2 JPH0729757 Y2 JP H0729757Y2 JP 1989082814 U JP1989082814 U JP 1989082814U JP 8281489 U JP8281489 U JP 8281489U JP H0729757 Y2 JPH0729757 Y2 JP H0729757Y2
Authority
JP
Japan
Prior art keywords
transistor
fan
current
base
circuit
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.)
Expired - Fee Related
Application number
JP1989082814U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0321999U (cs
Inventor
正康 大崎
正司 山下
Original Assignee
富士電気化学株式会社
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 富士電気化学株式会社 filed Critical 富士電気化学株式会社
Priority to JP1989082814U priority Critical patent/JPH0729757Y2/ja
Publication of JPH0321999U publication Critical patent/JPH0321999U/ja
Application granted granted Critical
Publication of JPH0729757Y2 publication Critical patent/JPH0729757Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Control Of Direct Current Motors (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
JP1989082814U 1989-07-14 1989-07-14 冷却ファンの機能低下検出回路 Expired - Fee Related JPH0729757Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989082814U JPH0729757Y2 (ja) 1989-07-14 1989-07-14 冷却ファンの機能低下検出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989082814U JPH0729757Y2 (ja) 1989-07-14 1989-07-14 冷却ファンの機能低下検出回路

Publications (2)

Publication Number Publication Date
JPH0321999U JPH0321999U (cs) 1991-03-06
JPH0729757Y2 true JPH0729757Y2 (ja) 1995-07-05

Family

ID=31629955

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989082814U Expired - Fee Related JPH0729757Y2 (ja) 1989-07-14 1989-07-14 冷却ファンの機能低下検出回路

Country Status (1)

Country Link
JP (1) JPH0729757Y2 (cs)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5212437U (cs) * 1975-07-14 1977-01-28

Also Published As

Publication number Publication date
JPH0321999U (cs) 1991-03-06

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