JPS5415117A - Speed control circuit for motors - Google Patents

Speed control circuit for motors

Info

Publication number
JPS5415117A
JPS5415117A JP7984477A JP7984477A JPS5415117A JP S5415117 A JPS5415117 A JP S5415117A JP 7984477 A JP7984477 A JP 7984477A JP 7984477 A JP7984477 A JP 7984477A JP S5415117 A JPS5415117 A JP S5415117A
Authority
JP
Japan
Prior art keywords
motors
control circuit
speed control
revolutions
eonnect
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
JP7984477A
Other languages
Japanese (ja)
Inventor
Yasuhiro Ishigaki
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7984477A priority Critical patent/JPS5415117A/en
Publication of JPS5415117A publication Critical patent/JPS5415117A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To eonnect a smoothing circuit to the DC power supply with reference voltage or close thereto for reducing revolutions overshoot and revolutions setting time.
COPYRIGHT: (C)1979,JPO&Japio
JP7984477A 1977-07-06 1977-07-06 Speed control circuit for motors Pending JPS5415117A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7984477A JPS5415117A (en) 1977-07-06 1977-07-06 Speed control circuit for motors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7984477A JPS5415117A (en) 1977-07-06 1977-07-06 Speed control circuit for motors

Publications (1)

Publication Number Publication Date
JPS5415117A true JPS5415117A (en) 1979-02-03

Family

ID=13701503

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7984477A Pending JPS5415117A (en) 1977-07-06 1977-07-06 Speed control circuit for motors

Country Status (1)

Country Link
JP (1) JPS5415117A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4289749A (en) * 1979-08-14 1981-09-15 Key Pharmaceuticals, Inc. Polymeric diffusion matrix containing phenylpropanolamine
US4291014A (en) * 1979-01-11 1981-09-22 Key Pharmaceuticals, Inc. Polymeric diffusion matrix containing estradiol diacetate

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4889314A (en) * 1972-03-01 1973-11-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4889314A (en) * 1972-03-01 1973-11-22

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4291014A (en) * 1979-01-11 1981-09-22 Key Pharmaceuticals, Inc. Polymeric diffusion matrix containing estradiol diacetate
US4289749A (en) * 1979-08-14 1981-09-15 Key Pharmaceuticals, Inc. Polymeric diffusion matrix containing phenylpropanolamine
US4291015A (en) * 1979-08-14 1981-09-22 Key Pharmaceuticals, Inc. Polymeric diffusion matrix containing a vasodilator
US4292303A (en) * 1979-08-14 1981-09-29 Key Pharmaceuticals, Inc. Polymeric diffusion matrix containing clonidine
US4292301A (en) * 1979-08-14 1981-09-29 Key Pharmaceuticals, Inc. Polymeric diffusion matrix containing ephedrine
US4292302A (en) * 1979-08-14 1981-09-29 Key Pharmaceuticals, Inc. Polymeric diffusion matrix containing terbutaline
US4294820A (en) * 1979-08-14 1981-10-13 Key Pharmaceuticals, Inc. Polymeric diffusion matrix containing phenylephrine

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