JPS5429010A - Rotational speed controller for dc motor - Google Patents

Rotational speed controller for dc motor

Info

Publication number
JPS5429010A
JPS5429010A JP9421777A JP9421777A JPS5429010A JP S5429010 A JPS5429010 A JP S5429010A JP 9421777 A JP9421777 A JP 9421777A JP 9421777 A JP9421777 A JP 9421777A JP S5429010 A JPS5429010 A JP S5429010A
Authority
JP
Japan
Prior art keywords
motor
rotational speed
speed controller
pulse voltage
voltage amplitude
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
JP9421777A
Other languages
Japanese (ja)
Inventor
Harushige Nakagaki
Shunji Iwasaki
Keizo Nishimura
Shinichi Ohashi
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.)
Hitachi Ltd
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 JP9421777A priority Critical patent/JPS5429010A/en
Publication of JPS5429010A publication Critical patent/JPS5429010A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

PURPOSE: To construct a circuit with a small difference of positive-negative pulse voltage amplitude, without using a control transistor of big current, by making a pulse voltage amplitude of a driving amplifier output controllable in a accordance with a speed, with a power source voltage fixed.
COPYRIGHT: (C)1979,JPO&Japio
JP9421777A 1977-08-08 1977-08-08 Rotational speed controller for dc motor Pending JPS5429010A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9421777A JPS5429010A (en) 1977-08-08 1977-08-08 Rotational speed controller for dc motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9421777A JPS5429010A (en) 1977-08-08 1977-08-08 Rotational speed controller for dc motor

Publications (1)

Publication Number Publication Date
JPS5429010A true JPS5429010A (en) 1979-03-03

Family

ID=14104139

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9421777A Pending JPS5429010A (en) 1977-08-08 1977-08-08 Rotational speed controller for dc motor

Country Status (1)

Country Link
JP (1) JPS5429010A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5641787A (en) * 1979-09-07 1981-04-18 Hitachi Ltd Accoustic motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5641787A (en) * 1979-09-07 1981-04-18 Hitachi Ltd Accoustic motor

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