JPS6278084U - - Google Patents

Info

Publication number
JPS6278084U
JPS6278084U JP1985168359U JP16835985U JPS6278084U JP S6278084 U JPS6278084 U JP S6278084U JP 1985168359 U JP1985168359 U JP 1985168359U JP 16835985 U JP16835985 U JP 16835985U JP S6278084 U JPS6278084 U JP S6278084U
Authority
JP
Japan
Prior art keywords
chopper
switching transistor
voltage
collector
reference voltage
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
JP1985168359U
Other languages
English (en)
Other versions
JPH0412787Y2 (ja
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 JP1985168359U priority Critical patent/JPH0412787Y2/ja
Publication of JPS6278084U publication Critical patent/JPS6278084U/ja
Application granted granted Critical
Publication of JPH0412787Y2 publication Critical patent/JPH0412787Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Protection Of Static Devices (AREA)
  • Control Of Direct Current Motors (AREA)
  • Dc-Dc Converters (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の実施例を示す電気回路図、
第2図は従来例を示す電気回路図である。 1……直流電源、2……直流モータ、3……チ
ヨツパ用スイツチング・トランジスタ、22,2
3……分圧回路、24……比較回路、25……駆
動停止用スイツチング・トランジスタ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 負荷に直列に接続されたチヨツパ用スイツチン
    グ・トランジスタの駆動を強制的に停止させるた
    めのスイツチング素子と、チヨツパ用スイツチン
    グ・トランジスタのコレクターエミツタ間電圧と
    基準電圧とを比較し、コレクターエミツタ間電圧
    が基準電圧を越えたときにスイツチング素子駆動
    信号を出力する比較回路とを備えたチヨツパ用ス
    イツチング・トランジスタの破損防止回路。
JP1985168359U 1985-10-30 1985-10-30 Expired JPH0412787Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985168359U JPH0412787Y2 (ja) 1985-10-30 1985-10-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985168359U JPH0412787Y2 (ja) 1985-10-30 1985-10-30

Publications (2)

Publication Number Publication Date
JPS6278084U true JPS6278084U (ja) 1987-05-19
JPH0412787Y2 JPH0412787Y2 (ja) 1992-03-26

Family

ID=31101165

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985168359U Expired JPH0412787Y2 (ja) 1985-10-30 1985-10-30

Country Status (1)

Country Link
JP (1) JPH0412787Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53491A (en) * 1976-06-23 1978-01-06 Kawasaki Steel Corp Stone grinder for detecting roll mark on cold rolled strip

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53491A (en) * 1976-06-23 1978-01-06 Kawasaki Steel Corp Stone grinder for detecting roll mark on cold rolled strip

Also Published As

Publication number Publication date
JPH0412787Y2 (ja) 1992-03-26

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