NL7109658A - - Google Patents

Info

Publication number: NL7109658A
Authority: NL; Netherlands

Application number

NL7109658A

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.)

1970-07-14

Filing date

1971-07-13

Publication date

1972-01-18

1971-07-13 Application filed filed Critical

1972-01-18 Publication of NL7109658A publication Critical patent/NL7109658A/xx

Links

Classifications

- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/20—Control of position or direction using feedback using a digital comparing device
- G05D3/203—Control of position or direction using feedback using a digital comparing device using fine or coarse devices
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/14—Control of position or direction using feedback using an analogue comparing device
- G05D3/1436—Control of position or direction using feedback using an analogue comparing device with fine or coarse devices
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
- G11B5/5552—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Automation & Control Theory (AREA)
Control Of Linear Motors (AREA)

NL7109658A 1970-07-14 1971-07-13 NL7109658A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19702034933 DE2034933A1 (de)	1970-07-14	1970-07-14	Plattenspeicher

Publications (1)

Publication Number	Publication Date
NL7109658A true NL7109658A (fr)	1972-01-18

Family

ID=5776747

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7109658A NL7109658A (fr)	1970-07-14	1971-07-13

Country Status (7)

Country	Link
BE (1)	BE769996R (fr)
DE (1)	DE2034933A1 (fr)
FR (1)	FR2100900B2 (fr)
GB (1)	GB1354780A (fr)
IT (1)	IT984566B (fr)
LU (1)	LU63510A1 (fr)
NL (1)	NL7109658A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA995300A (en) *	1972-08-21	1976-08-17	John Cuda	Coarse and fine control for position servo
NL7810386A (nl) *	1978-10-17	1980-04-21	Philips Nv	Optische leesinrichting voor het uitlezen van een schijfvormige registratiedrager.

1970
- 1970-07-14 DE DE19702034933 patent/DE2034933A1/de active Pending
1971
- 1971-07-08 IT IT2669271A patent/IT984566B/it active
- 1971-07-12 LU LU63510D patent/LU63510A1/xx unknown
- 1971-07-13 NL NL7109658A patent/NL7109658A/xx unknown
- 1971-07-13 FR FR7125611A patent/FR2100900B2/fr not_active Expired
- 1971-07-13 GB GB3268871A patent/GB1354780A/en not_active Expired
- 1971-07-14 BE BE769996A patent/BE769996R/fr active

Also Published As

Publication number	Publication date
GB1354780A (en)	1974-06-05
LU63510A1 (fr)	1972-03-24
DE2034933A1 (de)	1972-01-27
FR2100900B2 (fr)	1973-06-29
IT984566B (it)	1974-11-20
BE769996R (fr)	1972-01-14
FR2100900A2 (fr)	1972-03-24

Publication	Publication Date	Title
FR2074898A5 (fr)	1971-10-08
DK137132C (fr)	1978-06-26
FR2084955A5 (fr)	1971-12-17
FR2089417A5 (fr)	1972-01-07
FR2083789A5 (fr)	1971-12-17
FR2084901A5 (fr)	1971-12-17
FR2077085A5 (fr)	1971-10-15
FI49944B (fr)	1975-07-31
FR2086477B1 (fr)	1973-06-08
FR2096302A5 (fr)	1972-02-11
FR2092163A1 (fr)	1972-01-21
DE2046276B2 (fr)	1974-10-17
FR2083921A5 (fr)	1971-12-17
FR2083938A5 (fr)	1971-12-17
FR2089565A5 (fr)	1972-01-07
FR2088241B2 (fr)	1976-04-02
FR2085000A5 (fr)	1971-12-17
FR2074946A5 (fr)	1971-10-08
DE2122505B2 (fr)	1975-04-03
FR2079232A1 (fr)	1971-11-12
FR2100900B2 (fr)	1973-06-29
FR2074761B1 (fr)	1974-08-09
FR2083613A1 (fr)	1971-12-17
FR2091985A1 (fr)	1972-01-21
FR2083827A5 (fr)	1971-12-17