JPS55136884A - Controlling circuit for motor - Google Patents

Controlling circuit for motor

Info

Publication number
JPS55136884A
JPS55136884A JP4287079A JP4287079A JPS55136884A JP S55136884 A JPS55136884 A JP S55136884A JP 4287079 A JP4287079 A JP 4287079A JP 4287079 A JP4287079 A JP 4287079A JP S55136884 A JPS55136884 A JP S55136884A
Authority
JP
Japan
Prior art keywords
motor
current
transistors
time interval
overload
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
JP4287079A
Other languages
English (en)
Inventor
Hidemichi Shirai
Yoshimaru Maruno
Hidehiko Okada
Noboru Kamijo
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP4287079A priority Critical patent/JPS55136884A/ja
Publication of JPS55136884A publication Critical patent/JPS55136884A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
JP4287079A 1979-04-09 1979-04-09 Controlling circuit for motor Pending JPS55136884A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4287079A JPS55136884A (en) 1979-04-09 1979-04-09 Controlling circuit for motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4287079A JPS55136884A (en) 1979-04-09 1979-04-09 Controlling circuit for motor

Publications (1)

Publication Number Publication Date
JPS55136884A true JPS55136884A (en) 1980-10-25

Family

ID=12648061

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4287079A Pending JPS55136884A (en) 1979-04-09 1979-04-09 Controlling circuit for motor

Country Status (1)

Country Link
JP (1) JPS55136884A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5932379A (ja) * 1982-07-16 1984-02-21 ローベルト・ボッシュ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 電気モータ駆動装置の接続および遮断回路装置
FR2577725A1 (fr) * 1985-02-15 1986-08-22 Etri Sa Dispositif pour proteger un moteur electrique contre les surintensites
JPS61138398U (ja) * 1985-02-13 1986-08-27
JPS62125396U (ja) * 1986-01-30 1987-08-08
US5150264A (en) * 1988-08-30 1992-09-22 Sony Corporation Safety device for controllably driving the cassette holder of a video cassette recorder subjectable to overload

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5932379A (ja) * 1982-07-16 1984-02-21 ローベルト・ボッシュ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 電気モータ駆動装置の接続および遮断回路装置
JPH0440954B2 (ja) * 1982-07-16 1992-07-06 Bosch Gmbh Robert
JPS61138398U (ja) * 1985-02-13 1986-08-27
FR2577725A1 (fr) * 1985-02-15 1986-08-22 Etri Sa Dispositif pour proteger un moteur electrique contre les surintensites
JPS62125396U (ja) * 1986-01-30 1987-08-08
US5150264A (en) * 1988-08-30 1992-09-22 Sony Corporation Safety device for controllably driving the cassette holder of a video cassette recorder subjectable to overload

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