JPS6482503A - Inductive load driving device - Google Patents

Inductive load driving device

Info

Publication number
JPS6482503A
JPS6482503A JP23895287A JP23895287A JPS6482503A JP S6482503 A JPS6482503 A JP S6482503A JP 23895287 A JP23895287 A JP 23895287A JP 23895287 A JP23895287 A JP 23895287A JP S6482503 A JPS6482503 A JP S6482503A
Authority
JP
Japan
Prior art keywords
voltage
inductive load
solenoid
transistor
time
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
JP23895287A
Other languages
Japanese (ja)
Inventor
Yuuji Morishige
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP23895287A priority Critical patent/JPS6482503A/en
Publication of JPS6482503A publication Critical patent/JPS6482503A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To prevent the temperature rise of inductive load, and to reduce power consumption by applying first voltage when the inductive load is driven and second voltage lower than first voltage to the inductive load after a fixed time passes after drive. CONSTITUTION:When a power switch 2 is turned ON, the base currents of a transistor 7 fluctuate as shown in the graph, and the transistor 7 is brought to a conductive state. Voltage (first voltage) of VCC-VCE is applied to a solenoid 1 at that time, and the solenoid 1 conducts attraction operation. When both-end voltage of a resistor 6 drops with the rise of capacitor voltage and the time t1-t0 determined by a capacitor 5, resistors 6, 7 and a transistor hPE passes, the transistor 7 is turned OFF, and voltage (second voltage) decided by RL and R3 is applied to the solenoid 1 at that time. The second voltage is lower than an initial value VCC-VCE, and the solenoid 1 is left as it is attracted.
JP23895287A 1987-09-25 1987-09-25 Inductive load driving device Pending JPS6482503A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23895287A JPS6482503A (en) 1987-09-25 1987-09-25 Inductive load driving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23895287A JPS6482503A (en) 1987-09-25 1987-09-25 Inductive load driving device

Publications (1)

Publication Number Publication Date
JPS6482503A true JPS6482503A (en) 1989-03-28

Family

ID=17037730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23895287A Pending JPS6482503A (en) 1987-09-25 1987-09-25 Inductive load driving device

Country Status (1)

Country Link
JP (1) JPS6482503A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002299930A (en) * 2001-03-29 2002-10-11 Maspro Denkoh Corp Unit for mounting antenna
DE102020117349A1 (en) 2020-07-01 2022-01-05 Ebm-Papst St. Georgen Gmbh & Co. Kg Control for an electromagnetic holding brake

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002299930A (en) * 2001-03-29 2002-10-11 Maspro Denkoh Corp Unit for mounting antenna
DE102020117349A1 (en) 2020-07-01 2022-01-05 Ebm-Papst St. Georgen Gmbh & Co. Kg Control for an electromagnetic holding brake

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