GB2018469B – Servo control apparatus
– Google Patents
GB2018469B – Servo control apparatus
– Google Patents
Servo control apparatus
Info
Publication number
GB2018469B
GB2018469B
GB7906679A
GB7906679A
GB2018469B
GB 2018469 B
GB2018469 B
GB 2018469B
GB 7906679 A
GB7906679 A
GB 7906679A
GB 7906679 A
GB7906679 A
GB 7906679A
GB 2018469 B
GB2018469 B
GB 2018469B
Authority
GB
United Kingdom
Prior art keywords
control apparatus
servo control
servo
control
Prior art date
1978-02-27
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
GB7906679A
Other versions
GB2018469A
(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.)
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.)
1978-02-27
Filing date
1979-02-26
Publication date
1982-08-25
1979-02-26
Application filed by Sony Corp
filed
Critical
Sony Corp
1979-10-17
Publication of GB2018469A
publication
Critical
patent/GB2018469A/en
1982-08-25
Application granted
granted
Critical
1982-08-25
Publication of GB2018469B
publication
Critical
patent/GB2018469B/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
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
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S388/00—Electricity: motor control systems
Y10S388/907—Specific control circuit element or device
Y10S388/911—Phase locked loop
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S388/00—Electricity: motor control systems
Y10S388/907—Specific control circuit element or device
Y10S388/912—Pulse or frequency counter
GB7906679A
1978-02-27
1979-02-26
Servo control apparatus
Expired
GB2018469B
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
JP2173278A
JPS54114691A
(en)
1978-02-27
1978-02-27
Servo circuit
Publications (2)
Publication Number
Publication Date
GB2018469A
GB2018469A
(en)
1979-10-17
GB2018469B
true
GB2018469B
(en)
1982-08-25
Family
ID=12063240
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB7906679A
Expired
GB2018469B
(en)
1978-02-27
1979-02-26
Servo control apparatus
Country Status (9)
Country
Link
US
(1)
US4259698A
(en)
JP
(1)
JPS54114691A
(en)
AT
(1)
AT377148B
(en)
CA
(1)
CA1127295A
(en)
DE
(1)
DE2907527A1
(en)
FR
(1)
FR2418512A1
(en)
GB
(1)
GB2018469B
(en)
IT
(1)
IT1111879B
(en)
NL
(1)
NL7901554A
(en)
Families Citing this family (27)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2059107B
(en)
*
1979-07-12
1983-06-02
Universal Pioneer Corp
Tangential servo control signal generating device
JPS5614787A
(en)
*
1979-07-18
1981-02-13
Sony Corp
Video signal reproduction system
JPS5669981A
(en)
*
1979-11-12
1981-06-11
Sony Corp
Phase servo circuit
US4368492A
(en)
*
1980-04-08
1983-01-11
Rca Corporation
Vertical sync independent digital skew servo
US4371902A
(en)
*
1980-06-30
1983-02-01
International Business Machines Corporation
Disk initialization method
JPS5753880A
(en)
*
1980-09-12
1982-03-31
Victor Co Of Japan Ltd
Detector of periodic signal
JPS57211612A
(en)
*
1981-06-23
1982-12-25
Sony Corp
Phase servo circuit
US4449082A
(en)
*
1981-12-17
1984-05-15
Webster Douglas G
Motor speed control system
JPS58211217A
(en)
*
1982-06-03
1983-12-08
Sony Corp
Phase control device of rotating body
AU570922B2
(en)
*
1982-06-30
1988-03-31
Sony Corporation
Digital servo circuit for motor control
EP0311143B1
(en)
*
1982-09-17
1993-01-13
Ampex Corporation
Method and apparatus for producing an artificial synchronising signal
CA1210149A
(en)
*
1982-09-28
1986-08-19
Shigeru Tajima
Digital capstan servo circuit
JPS6063772A
(en)
*
1983-09-19
1985-04-12
Olympus Optical Co Ltd
Method and device for generation of data writing area signal
JPS60106381A
(en)
*
1983-11-14
1985-06-11
Victor Co Of Japan Ltd
Motor servo circuit of magnetic recorder/reproducer
IL78024A0
(en)
*
1985-04-01
1986-07-31
Cemitronics Inc
Digital pulsed servo control system
JPS61288788A
(en)
*
1985-06-14
1986-12-18
Victor Co Of Japan Ltd
Rotating phase control system for motor
US4815063A
(en)
*
1985-09-13
1989-03-21
Yamaha Corporation
Disc motor control circuit for controlling the rotation of a disc in a disc playing device
JPS62131777A
(en)
*
1985-11-28
1987-06-15
Seiko Epson Corp
Speed controller for motor
US4933985A
(en)
*
1986-05-21
1990-06-12
Canon Kabushiki Kaisha
Rotation drive device
US5345532A
(en)
*
1986-05-21
1994-09-06
Canon Kabushiki Kaisha
Rotation drive device
KR930001704B1
(en)
*
1988-05-18
1993-03-11
삼성전자 주식회사
Automatic phase regulating circuit for dat drum
JPH03266248A
(en)
*
1990-03-15
1991-11-27
Sony Corp
Magnetic reproducing device
US5122719A
(en)
*
1991-02-27
1992-06-16
Eastman Kodak Company
Method and apparatus for reducing recurrent fluctuations in motor torque
US5276569A
(en)
*
1991-06-26
1994-01-04
Digital Equipment Corporation
Spindle controller with startup correction of disk position
US5554916A
(en)
*
1992-11-30
1996-09-10
Nidec Corporation
Method of starting a sensorless motor
US5448428A
(en)
*
1993-04-23
1995-09-05
Quantum Corporation
Phase locking a disk drive spindle to a reference signal
US5438464A
(en)
*
1993-04-23
1995-08-01
Quantum Corporation
Synchronization of multiple disk drive spindles
Family Cites Families (12)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3564368A
(en)
*
1968-01-10
1971-02-16
Gen Electric
Spindle speed control monitor
US3643012A
(en)
*
1970-02-16
1972-02-15
Ampex
Rapid frame synchronization of video tape reproduce signals
US3686469A
(en)
*
1970-04-02
1972-08-22
Ampex
Steady state phase error correction circuit
NL7112272A
(en)
*
1971-09-06
1973-03-08
GB1426820A
(en)
*
1972-04-05
1976-03-03
Hitachi Electronics
Digital control system
JPS5148045B2
(en)
*
1972-06-05
1976-12-18
US3959815A
(en)
*
1974-01-28
1976-05-25
Basf Aktiengesellschaft
Arrangements for time base error compensation
US3900796A
(en)
*
1974-03-07
1975-08-19
Sperry Rand Corp
Rotational speed monitor
US3900890A
(en)
*
1974-05-06
1975-08-19
Sperry Rand Corp
Speed tolerant recording and recovery system
US3946293A
(en)
*
1974-09-13
1976-03-23
Conco Inc.
Thyristor control system
US4047231A
(en)
*
1976-03-19
1977-09-06
Ampex Corporation
High stability digital head servo for video recorders
JPS5941338B2
(en)
*
1976-05-10
1984-10-06
日本電気株式会社
Clock pulse regeneration circuit
1978
1978-02-27
JP
JP2173278A
patent/JPS54114691A/en
active
Pending
1979
1979-02-26
DE
DE19792907527
patent/DE2907527A1/en
active
Granted
1979-02-26
US
US06/015,106
patent/US4259698A/en
not_active
Expired – Lifetime
1979-02-26
GB
GB7906679A
patent/GB2018469B/en
not_active
Expired
1979-02-26
CA
CA322,308A
patent/CA1127295A/en
not_active
Expired
1979-02-27
AT
AT0149579A
patent/AT377148B/en
not_active
IP Right Cessation
1979-02-27
IT
IT20587/79A
patent/IT1111879B/en
active
1979-02-27
NL
NL7901554A
patent/NL7901554A/en
not_active
Application Discontinuation
1979-02-27
FR
FR7905014A
patent/FR2418512A1/en
active
Granted
Also Published As
Publication number
Publication date
US4259698A
(en)
1981-03-31
GB2018469A
(en)
1979-10-17
DE2907527C2
(en)
1990-04-05
JPS54114691A
(en)
1979-09-06
IT1111879B
(en)
1986-01-13
CA1127295A
(en)
1982-07-06
DE2907527A1
(en)
1979-09-06
AT377148B
(en)
1985-02-11
NL7901554A
(en)
1979-08-29
FR2418512B1
(en)
1983-11-25
ATA149579A
(en)
1984-06-15
IT7920587D0
(en)
1979-02-27
FR2418512A1
(en)
1979-09-21
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Legal Events
Date
Code
Title
Description
1993-10-20
PCNP
Patent ceased through non-payment of renewal fee
Effective date:
19930226
