JPS5380508A - Motors - Google Patents

Motors

Info

Publication number
JPS5380508A
JPS5380508A JP15688776A JP15688776A JPS5380508A JP S5380508 A JPS5380508 A JP S5380508A JP 15688776 A JP15688776 A JP 15688776A JP 15688776 A JP15688776 A JP 15688776A JP S5380508 A JPS5380508 A JP S5380508A
Authority
JP
Japan
Prior art keywords
coil
motors
coils
constitute
switching
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.)
Granted
Application number
JP15688776A
Other languages
Japanese (ja)
Other versions
JPS6051353B2 (en
Inventor
Tetsuo Sekiya
Hiroyuki Uchida
Hiroyuki Yamauchi
Kenkichi Umeda
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 JP51156887A priority Critical patent/JPS6051353B2/en
Priority to GB44168/77A priority patent/GB1576956A/en
Priority to US05/845,435 priority patent/US4167692A/en
Priority to DE19772748543 priority patent/DE2748543A1/en
Priority to FR7732774A priority patent/FR2369728A1/en
Priority to AT778577A priority patent/AT351802B/en
Priority to CA289,912A priority patent/CA1094626A/en
Publication of JPS5380508A publication Critical patent/JPS5380508A/en
Publication of JPS6051353B2 publication Critical patent/JPS6051353B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE:To vary rotational speed under the constant terminal voltage by providing a number of coil systems consisting of a number of coils, respectively, and switching the coil connection to constitute each coil system.
JP51156887A 1976-11-01 1976-12-24 Tape recorder drive device Expired JPS6051353B2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP51156887A JPS6051353B2 (en) 1976-12-24 1976-12-24 Tape recorder drive device
GB44168/77A GB1576956A (en) 1976-11-01 1977-10-24 Brushless direct current motors
US05/845,435 US4167692A (en) 1976-11-01 1977-10-25 Brush-less DC motor
DE19772748543 DE2748543A1 (en) 1976-11-01 1977-10-28 BRUSHLESS DC MOTOR
FR7732774A FR2369728A1 (en) 1976-11-01 1977-10-28 BRUSHLESS DC MOTOR
AT778577A AT351802B (en) 1976-11-01 1977-10-31 BRUSHLESS DC MOTOR
CA289,912A CA1094626A (en) 1976-11-01 1977-10-31 Brush-less dc motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51156887A JPS6051353B2 (en) 1976-12-24 1976-12-24 Tape recorder drive device

Publications (2)

Publication Number Publication Date
JPS5380508A true JPS5380508A (en) 1978-07-17
JPS6051353B2 JPS6051353B2 (en) 1985-11-13

Family

ID=15637555

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51156887A Expired JPS6051353B2 (en) 1976-11-01 1976-12-24 Tape recorder drive device

Country Status (1)

Country Link
JP (1) JPS6051353B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5815481A (en) * 1981-07-17 1983-01-28 Fujitsu Ltd Dc brushless motor and control circuit thereof
JPS6044477U (en) * 1983-09-01 1985-03-28 アスモ株式会社 Coil for brushless motor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5815481A (en) * 1981-07-17 1983-01-28 Fujitsu Ltd Dc brushless motor and control circuit thereof
JPH0218036B2 (en) * 1981-07-17 1990-04-24 Fujitsu Ltd
JPS6044477U (en) * 1983-09-01 1985-03-28 アスモ株式会社 Coil for brushless motor

Also Published As

Publication number Publication date
JPS6051353B2 (en) 1985-11-13

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