JPS5439778A - Speed command voltage generator - Google Patents

Speed command voltage generator

Info

Publication number
JPS5439778A
JPS5439778A JP10489477A JP10489477A JPS5439778A JP S5439778 A JPS5439778 A JP S5439778A JP 10489477 A JP10489477 A JP 10489477A JP 10489477 A JP10489477 A JP 10489477A JP S5439778 A JPS5439778 A JP S5439778A
Authority
JP
Japan
Prior art keywords
speed command
command voltage
voltage generator
width
mulses
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
JP10489477A
Other languages
Japanese (ja)
Inventor
Masaaki Nakazato
Kenji Yoneda
Takeo Yuminaka
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 JP10489477A priority Critical patent/JPS5439778A/en
Publication of JPS5439778A publication Critical patent/JPS5439778A/en
Pending legal-status Critical Current

Links

Landscapes

  • Elevator Control (AREA)
  • Control Of Electric Motors In General (AREA)

Abstract

PURPOSE: To generate a smoothly varying speed command voltage through an integrated circuit, by altering the width of sequential of mulses uniform period depending on a desired speed and by smoothing the pulses of the width altered.
CONSTITUTION: In the making.
COPYRIGHT: (C)1979,JPO&Japio
JP10489477A 1977-09-02 1977-09-02 Speed command voltage generator Pending JPS5439778A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10489477A JPS5439778A (en) 1977-09-02 1977-09-02 Speed command voltage generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10489477A JPS5439778A (en) 1977-09-02 1977-09-02 Speed command voltage generator

Publications (1)

Publication Number Publication Date
JPS5439778A true JPS5439778A (en) 1979-03-27

Family

ID=14392859

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10489477A Pending JPS5439778A (en) 1977-09-02 1977-09-02 Speed command voltage generator

Country Status (1)

Country Link
JP (1) JPS5439778A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6372601U (en) * 1986-10-27 1988-05-16
JPH0674397U (en) * 1993-04-01 1994-10-21 貢 波平 Floral decoration

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6372601U (en) * 1986-10-27 1988-05-16
JPH0674397U (en) * 1993-04-01 1994-10-21 貢 波平 Floral decoration

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