IT977364B - Dispositivo di posizionamento di precisione in particolare per il posizionamento delle testine di registrazione e lettura sulle tracce di memorie magnetiche a dischi - Google Patents
Dispositivo di posizionamento di precisione in particolare per il posizionamento delle testine di registrazione e lettura sulle tracce di memorie magnetiche a dischiInfo
- Publication number
- IT977364B IT977364B IT48279/73A IT4827973A IT977364B IT 977364 B IT977364 B IT 977364B IT 48279/73 A IT48279/73 A IT 48279/73A IT 4827973 A IT4827973 A IT 4827973A IT 977364 B IT977364 B IT 977364B
- Authority
- IT
- Italy
- Prior art keywords
- tracks
- recording
- magnetic disk
- positioning
- reading heads
- Prior art date
Links
Classifications
-
- 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
- G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
- G11B5/553—Details
- G11B5/5547—"Seek" control and circuits therefor
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
- G05B19/21—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an incremental digital measuring device
- G05B19/23—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an incremental digital measuring device for point-to-point control
- G05B19/231—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an incremental digital measuring device for point-to-point control the positional error is used to control continuously the servomotor according to its magnitude
- G05B19/232—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an incremental digital measuring device for point-to-point control the positional error is used to control continuously the servomotor according to its magnitude with speed feedback only
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Control Of Position Or Direction (AREA)
- Conveying Record Carriers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7202140A NL7202140A (it) | 1972-02-18 | 1972-02-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT977364B true IT977364B (it) | 1974-09-10 |
Family
ID=19815398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48279/73A IT977364B (it) | 1972-02-18 | 1973-02-15 | Dispositivo di posizionamento di precisione in particolare per il posizionamento delle testine di registrazione e lettura sulle tracce di memorie magnetiche a dischi |
Country Status (10)
Country | Link |
---|---|
US (1) | US3809986A (it) |
JP (1) | JPS4893883A (it) |
BE (1) | BE795583A (it) |
CA (1) | CA974576A (it) |
DE (1) | DE2304888C3 (it) |
FR (1) | FR2172733A5 (it) |
GB (1) | GB1415786A (it) |
IT (1) | IT977364B (it) |
NL (1) | NL7202140A (it) |
SE (1) | SE400840B (it) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3952238A (en) * | 1973-11-29 | 1976-04-20 | Hymie Cutler | Programmable positioning apparatus and acceleration control system particularly useful therein |
US4031442A (en) * | 1973-12-11 | 1977-06-21 | Kubik Hydradrives, Inc. | Electronic position and velocity control system |
FR2258661B1 (it) * | 1974-01-18 | 1977-08-26 | Honeywell Bull Soc Ind | |
US4031443A (en) * | 1975-05-22 | 1977-06-21 | Compagnie Honeywell Bull (Societe Anonyme) | Apparatus for positionally controlling a movable head assembly |
JPS5293848A (en) * | 1976-02-03 | 1977-08-06 | Mitsubishi Electric Corp | Thrust shaft bearing |
DE2816780A1 (de) * | 1977-09-08 | 1979-03-22 | Agie Ag Ind Elektronik | Verfahren und vorrichtung zum zeitoptimalen positionieren mindestens eines gegenstandes in eine gewuenschte zielposition |
JPS54123673A (en) * | 1978-03-16 | 1979-09-26 | Fanuc Ltd | Positioning control system |
DD138449B1 (de) * | 1978-08-21 | 1980-08-27 | Siegfried Schleicher | Lageregelkreis fuer ueberschwingfreies und zeitsparendes positionieren |
JPS55157011A (en) * | 1979-05-25 | 1980-12-06 | Sanesu Shoko:Kk | Decelerating method for driving source in positioning control |
FR2466078A1 (fr) * | 1979-09-21 | 1981-03-27 | Cii Honeywell Bull | Procede pour deplacer un systeme mobile par rapport a un support d'informations et dispositif pour le mettre en oeuvre |
US4469993A (en) * | 1981-03-03 | 1984-09-04 | Swanson Systems, Inc. | Programmable multiple position machine |
US4404505A (en) * | 1981-03-03 | 1983-09-13 | Swanson Systems, Inc. | Programmable multiple position machine |
JPS57170525A (en) * | 1981-04-14 | 1982-10-20 | Nippon Telegr & Teleph Corp <Ntt> | Positioning control system for alignment stage |
JPS57206926A (en) * | 1981-06-16 | 1982-12-18 | Nippon Telegr & Teleph Corp <Ntt> | Positioning method for stage |
US4486797A (en) * | 1982-11-22 | 1984-12-04 | International Business Machines Corporation | Sliding mask variable resolution velocity trajectory for track following servo |
FR2573903B1 (fr) * | 1984-11-29 | 1987-01-02 | Bull Sa | Procede pour deplacer un systeme mobile mu par un moteur electrique suivant une trajectoire donnee et dispositif de mise en oeuvre de ce procede |
FR2573904B1 (fr) * | 1984-11-29 | 1987-01-02 | Bull Sa | Procede pour deplacer un systeme mobile mu par un moteur electrique suivant une trajectoire donnee |
EP0321886A1 (de) * | 1987-12-21 | 1989-06-28 | Siemens Aktiengesellschaft | Verfahren zum geschwindigkeitsgeregelten Positionieren eines Schreib-/Lesekopfs in bezug auf einen rotierenden Aufzeichnungsträger |
JP3392666B2 (ja) * | 1996-11-13 | 2003-03-31 | ナスコ株式会社 | 数値制御往復走行加工機の制御方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3241015A (en) * | 1961-12-26 | 1966-03-15 | Ibm | Positional servo system |
CH406567A (de) * | 1964-02-10 | 1966-01-31 | Inventio Ag | Einrichtung zur Steuerung der Sollwertgrösse während des Verzögerungsvorganges bei Aufzügen mit drehzahlgeregeltem Antrieb |
US3518513A (en) * | 1965-09-03 | 1970-06-30 | Olivetti & Co Spa | Position control device comprising an interpolating unit |
FR1543796A (fr) * | 1966-12-30 | Ibm | Système de commande asservi, à réponse quasi instantanée | |
US3599068A (en) * | 1967-12-22 | 1971-08-10 | Mitsubishi Electric Corp | Locating speed reduction device |
US3629560A (en) * | 1969-06-06 | 1971-12-21 | Houdaille | Apparatus for controlled deceleration in numerical positioning |
US3668494A (en) * | 1970-06-22 | 1972-06-06 | Ibm | Constant displacement stopping control |
FR2094610A5 (it) * | 1970-06-26 | 1972-02-04 | Bull General Electric | |
US3699555A (en) * | 1970-10-23 | 1972-10-17 | Zerox Corp | Apparatus for rapid action displacement control |
GB1319227A (en) * | 1971-02-15 | 1973-06-06 | Ibm | Movement control system |
-
0
- BE BE795583D patent/BE795583A/xx unknown
-
1972
- 1972-02-18 NL NL7202140A patent/NL7202140A/xx unknown
-
1973
- 1973-02-01 DE DE2304888A patent/DE2304888C3/de not_active Expired
- 1973-02-14 CA CA163,786A patent/CA974576A/en not_active Expired
- 1973-02-15 SE SE7302188A patent/SE400840B/xx unknown
- 1973-02-15 IT IT48279/73A patent/IT977364B/it active
- 1973-02-15 GB GB744773A patent/GB1415786A/en not_active Expired
- 1973-02-15 US US00332735A patent/US3809986A/en not_active Expired - Lifetime
- 1973-02-16 FR FR7305571A patent/FR2172733A5/fr not_active Expired
- 1973-02-17 JP JP48019696A patent/JPS4893883A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
SE400840B (sv) | 1978-04-10 |
BE795583A (fr) | 1973-08-16 |
JPS4893883A (it) | 1973-12-04 |
GB1415786A (en) | 1975-11-26 |
FR2172733A5 (it) | 1973-09-28 |
DE2304888B2 (de) | 1976-12-30 |
DE2304888C3 (de) | 1981-12-03 |
DE2304888A1 (de) | 1973-08-23 |
NL7202140A (it) | 1973-08-21 |
US3809986A (en) | 1974-05-07 |
CA974576A (en) | 1975-09-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT977364B (it) | Dispositivo di posizionamento di precisione in particolare per il posizionamento delle testine di registrazione e lettura sulle tracce di memorie magnetiche a dischi | |
NO141136C (no) | Anordning for avlesning av en plan reflekterende opptegningsbaerer | |
NO141673C (no) | Anordning for avlesning av en plan opptegningsbaerer | |
AT352426B (de) | Magnetbandaufnahme- und/oder wiedergabean- ordnung | |
IT984254B (it) | Dispositivo di azionamento per dischi flessibili in particolare per cassette di registrazione magnetica | |
IT1022795B (it) | Testina magnetica di lettura e registrazione | |
CH543793A (de) | Wiedergabeeinrichtung für die Abtastung eines scheibenförmigen Aufzeichnungsträgers | |
IT982634B (it) | Meccanismo di orientamento per l impiego in un sistema magnetico di lettura registrazione | |
IT991970B (it) | Apparecchiature di registrazione e oppure riproduzione magnetica | |
IT978564B (it) | Apparecchiatura trasduttrice par ticolarmente per registrare e leg gere informazioni su libretti ban cari e simili | |
IT1052450B (it) | Nastro per la pulitura di testine magnetiche di registrazione e o lettura e relativo procedimento | |
IT999743B (it) | Apparecchio per leggere un sopporto di registrazione a forma di disco | |
IT999733B (it) | Trasduttore magnetico particolarmente per testine magnetiche | |
IT1032802B (it) | Comando di posizionamento ad alta precisione particolarmente per testine magnetiche di lettura e registrazione sui dischi | |
IT967901B (it) | Testina per la registrazione e la lettura di informazioni su e da un mezzo magnetico | |
AT354756B (de) | Vorrichtung zur aufnahme und/oder wiedergabe von auf einem in einer kassette angeordneten magnetband aufgezeichneten signalen | |
IT944017B (it) | Sistema di memorizzazione a dischi magnetici con dispositivo di posi zionamento delle testine magnetiche | |
IT1023284B (it) | Perfezionamento nei trasduttori elettromagnetici in particolare testine di registrazione e.o letura per nastro magnetico | |
IT968289B (it) | Dispositivo di posizionamento e spostamento di testine per registra zioni magnetiche | |
CH504754A (de) | Gerät zum Aufnehmen und/oder Wiedergeben magnetischer Aufzeichnungen | |
IT994834B (it) | Dispositivo per rilevare la posi zione di un nastro magnetico in un apparecchio di registrazione | |
NL160961C (nl) | Magnetische gegevensregistratie- en leesinrichting. | |
IT978729B (it) | Procedimento ed apparecchiatura per registrare e riprodurre in formazioni codificate su di un mezzo di registrazion | |
DK143580C (da) | Apparat til registrering og aflaesning af information paa et bevaegeligt magnetisk registreringsmedium | |
IT998448B (it) | Apparecchio per la registrazione e il recupero di informazioni |