GB2046948B - Device for controlling rotation of motor for sound equipment - Google Patents

Device for controlling rotation of motor for sound equipment

Info

Publication number
GB2046948B
GB2046948B GB8000587A GB8000587A GB2046948B GB 2046948 B GB2046948 B GB 2046948B GB 8000587 A GB8000587 A GB 8000587A GB 8000587 A GB8000587 A GB 8000587A GB 2046948 B GB2046948 B GB 2046948B
Authority
GB
United Kingdom
Prior art keywords
motor
sound equipment
controlling rotation
controlling
rotation
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.)
Expired
Application number
GB8000587A
Other versions
GB2046948A (en
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.)
Victor Company of Japan Ltd
Nippon Victor KK
Original Assignee
Victor Company of Japan Ltd
Nippon Victor KK
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 Victor Company of Japan Ltd, Nippon Victor KK filed Critical Victor Company of Japan Ltd
Publication of GB2046948A publication Critical patent/GB2046948A/en
Application granted granted Critical
Publication of GB2046948B publication Critical patent/GB2046948B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/26—Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/18—Controlling the angular speed together with angular position or phase
    • H02P23/186—Controlling the angular speed together with angular position or phase of one shaft by controlling the prime mover

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electric Motors In General (AREA)
  • Rotational Drive Of Disk (AREA)
GB8000587A 1979-01-12 1980-01-08 Device for controlling rotation of motor for sound equipment Expired GB2046948B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP326079A JPS5597063A (en) 1979-01-12 1979-01-12 Phonomotor

Publications (2)

Publication Number Publication Date
GB2046948A GB2046948A (en) 1980-11-19
GB2046948B true GB2046948B (en) 1983-01-06

Family

ID=11552492

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8000587A Expired GB2046948B (en) 1979-01-12 1980-01-08 Device for controlling rotation of motor for sound equipment

Country Status (3)

Country Link
JP (1) JPS5597063A (en)
DE (1) DE3000695C2 (en)
GB (1) GB2046948B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58190293A (en) * 1982-04-26 1983-11-07 Sanyo Electric Co Ltd Speed control circuit for motor
JPH0778692B2 (en) * 1983-06-16 1995-08-23 キヤノン株式会社 Document scanning device
JPS6035978A (en) * 1983-08-04 1985-02-23 Canon Inc Controller of motor
JPS6035979A (en) * 1983-08-04 1985-02-23 Canon Inc Controller of motor
EP0236685B1 (en) * 1986-02-11 1991-09-04 Studer Revox Ag Method and device to control the number of revolutions of an electric motor operating in four quadrants
DE3741775A1 (en) * 1987-12-10 1989-06-22 Telefunken Electronic Gmbh Control circuit for hot air appliances
DE4111007A1 (en) * 1991-04-05 1992-10-08 Thomson Brandt Gmbh Phase locked loop motor speed controller for use in digital video recorder - has control circuit with stored component for motor cycle that is subtracted from regulating voltage for variation free output

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5328589B2 (en) * 1972-12-18 1978-08-15
DE2349004A1 (en) * 1973-09-28 1975-04-10 Siemens Ag Correcting facility for tool data on numerically controlled mach tool - has digital correcting computer performing on-line calculations
JPS52101408A (en) * 1976-02-19 1977-08-25 Matsushita Electric Ind Co Ltd Motor controller

Also Published As

Publication number Publication date
JPS5597063A (en) 1980-07-23
DE3000695A1 (en) 1980-07-24
GB2046948A (en) 1980-11-19
DE3000695C2 (en) 1985-06-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee