GB1314886A - Control systems - Google Patents

Control systems

Info

Publication number
GB1314886A
GB1314886A GB2999470A GB2999470A GB1314886A GB 1314886 A GB1314886 A GB 1314886A GB 2999470 A GB2999470 A GB 2999470A GB 2999470 A GB2999470 A GB 2999470A GB 1314886 A GB1314886 A GB 1314886A
Authority
GB
United Kingdom
Prior art keywords
counter
pulses
multivibrator
count
state
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
GB2999470A
Other languages
English (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.)
Chandler Evans Inc
Original Assignee
Chandler Evans Inc
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 Chandler Evans Inc filed Critical Chandler Evans Inc
Publication of GB1314886A publication Critical patent/GB1314886A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G05B1/00—Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values
    • G05B1/01—Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values electric
    • G05B1/03—Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values electric for comparing digital signals
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Stepping Motors (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Nonmetallic Welding Materials (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Control Of Position Or Direction (AREA)
GB2999470A 1969-06-24 1970-06-19 Control systems Expired GB1314886A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83612269A 1969-06-24 1969-06-24

Publications (1)

Publication Number Publication Date
GB1314886A true GB1314886A (en) 1973-04-26

Family

ID=25271298

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2999470A Expired GB1314886A (en) 1969-06-24 1970-06-19 Control systems

Country Status (5)

Country Link
US (1) US3593097A (https=)
JP (1) JPS4822080B1 (https=)
CA (1) CA922404A (https=)
DE (1) DE2031280A1 (https=)
GB (1) GB1314886A (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3869019A (en) * 1970-06-24 1975-03-04 Gen Motors Corp Digital speed control system utilizing a countdown register
SE397245B (sv) * 1970-12-25 1977-10-24 Fujitsu Ltd Anordning vid drivsystem for en stegmotor med ett flertal aktiveringslindningar och en rotor
US3732480A (en) * 1971-03-01 1973-05-08 Ibm Open loop stepping motor acceleration-deceleration control
FR2177201A5 (https=) * 1972-03-23 1973-11-02 Irissou Pierre Regis
US3869656A (en) * 1972-08-08 1975-03-04 Usm Corp Circuit for modifying a train of pulses
US3899729A (en) * 1974-01-16 1975-08-12 Superior Electric Co Maximum speed control circuit for a stepping motor
JPS50158355A (https=) * 1974-06-10 1975-12-22
US4032982A (en) * 1975-08-29 1977-06-28 International Business Machines Corporation Adaptive voltage control of motor in an incrementing magnetic tape transport
JPS532372U (https=) * 1976-06-24 1978-01-11
US4710691A (en) * 1986-03-27 1987-12-01 Anacomp, Inc. Process and apparatus for characterizing and controlling a synchronous motor in microstepper mode
US6100662A (en) * 1999-06-30 2000-08-08 Warner Electric Technology, Inc. Step motor stabilization control
US6831805B2 (en) 2002-06-27 2004-12-14 International Business Machines Corporation Apparatus and method to read and/or write information to a magnetic tape medium

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3414785A (en) * 1963-09-12 1968-12-03 Itt Control circuit for numerically positioned table
US3465217A (en) * 1965-02-26 1969-09-02 Collins Radio Co Digitalized shaft rotation direction control
US3466517A (en) * 1966-12-15 1969-09-09 Superior Electric Co Numerically controlled motor system

Also Published As

Publication number Publication date
US3593097A (en) 1971-07-13
CA922404A (en) 1973-03-06
DE2031280A1 (de) 1971-01-07
JPS4822080B1 (https=) 1973-07-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees