GB2100884B - Disk storage system. - Google Patents

Disk storage system.

Info

Publication number: GB2100884B
Authority: GB; United Kingdom
Prior art keywords: storage system; disk storage; disk; storage
Prior art date: 1978-06-21
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

GB08201175A

Other versions

GB2100884A (en

Inventor

Robert G Kaseta

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.)

EMC Corp

Original Assignee

Data General 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.)

1978-06-21

Filing date

1979-02-28

Publication date

1983-06-08

1979-02-28 Application filed by Data General Corp filed Critical Data General Corp

1983-01-06 Publication of GB2100884A publication Critical patent/GB2100884A/en

1983-06-08 Application granted granted Critical

1983-06-08 Publication of GB2100884B publication Critical patent/GB2100884B/en

Status Expired legal-status Critical Current

Links

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
- H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
- H02P8/32—Reducing overshoot or oscillation, e.g. damping

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Control Of Stepping Motors (AREA)

GB08201175A 1978-06-21 1979-02-28 Disk storage system. Expired GB2100884B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US91756478A	1978-06-21	1978-06-21

Publications (2)

Publication Number	Publication Date
GB2100884A GB2100884A (en)	1983-01-06
GB2100884B true GB2100884B (en)	1983-06-08

Family

ID=25438968

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB08201175A Expired GB2100884B (en)	1978-06-21	1979-02-28	Disk storage system.
GB7907118A Expired GB2023893B (en)	1978-06-21	1979-02-28	Stepping motor excitation circuitry

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
GB7907118A Expired GB2023893B (en)	1978-06-21	1979-02-28	Stepping motor excitation circuitry

Country Status (5)

Country	Link
JP (1)	JPS552383A (en)
CA (1)	CA1143833A (en)
DE (1)	DE2911494A1 (en)
FR (1)	FR2436526A1 (en)
GB (2)	GB2100884B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4383209A (en)	1980-10-15	1983-05-10	Minnesota Mining And Manufacturing Company	Control system for transducer positioning motor
GB2141246A (en) *	1983-05-10	1984-12-12	Economatics Limited	Computer controlled mobile device
JPH0313364A (en) *	1989-06-12	1991-01-22	Brother Ind Ltd	Printer
USD961977S1 (en) *	2019-07-02	2022-08-30	EnE Holdings Limited	Coffee maker with rotating panel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3402334A (en) *	1965-12-08	1968-09-17	United Shoe Machinery Corp	Apparatus for sequentially energizing windings
US3659176A (en) *	1969-11-13	1972-04-25	Scm Corp	Stepping motor control including a high level supply for stepping and a low level supply for holding
US3648144A (en) *	1969-12-29	1972-03-07	Babcock & Wilcox Co	Stepping motor control system
GB1449303A (en) *	1973-07-19	1976-09-15	Pitney Bowes Inc	Minimizing stepper motor oscillations

1979
- 1979-02-28 GB GB08201175A patent/GB2100884B/en not_active Expired
- 1979-02-28 GB GB7907118A patent/GB2023893B/en not_active Expired
- 1979-03-23 DE DE19792911494 patent/DE2911494A1/en not_active Withdrawn
- 1979-04-13 FR FR7909515A patent/FR2436526A1/en active Granted
- 1979-04-19 JP JP4851179A patent/JPS552383A/en active Pending
- 1979-05-01 CA CA000326731A patent/CA1143833A/en not_active Expired

Also Published As

Publication number	Publication date
DE2911494A1 (en)	1980-01-17
FR2436526A1 (en)	1980-04-11
GB2100884A (en)	1983-01-06
FR2436526B1 (en)	1985-02-08
GB2023893A (en)	1980-01-03
GB2023893B (en)	1982-12-22
JPS552383A (en)	1980-01-09
CA1143833A (en)	1983-03-29

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Legal Events

Date	Code	Title	Description
1990-10-24	PCNP	Patent ceased through non-payment of renewal fee