GB1349072A - Control systems - Google Patents

Control systems

Info

Publication number
GB1349072A
GB1349072A GB1131471*[A GB1131471A GB1349072A GB 1349072 A GB1349072 A GB 1349072A GB 1131471 A GB1131471 A GB 1131471A GB 1349072 A GB1349072 A GB 1349072A
Authority
GB
United Kingdom
Prior art keywords
pulses
signal
gate
analogue
pulse
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
GB1131471*[A
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.)
Unisys Corp
Original Assignee
Sperry Rand 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.)
Filing date
Publication date
Application filed by Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of GB1349072A publication Critical patent/GB1349072A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
    • G05D1/0055—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots with safety arrangements
    • G05D1/0077—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots with safety arrangements using redundant signals or controls

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Stepping Motors (AREA)
  • Control Of Position Or Direction (AREA)
  • Numerical Control (AREA)
GB1131471*[A 1970-04-27 1971-04-26 Control systems Expired GB1349072A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3198670A 1970-04-27 1970-04-27

Publications (1)

Publication Number Publication Date
GB1349072A true GB1349072A (en) 1974-03-27

Family

ID=21862497

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1131471*[A Expired GB1349072A (en) 1970-04-27 1971-04-26 Control systems

Country Status (6)

Country Link
US (1) US3643146A (enExample)
JP (1) JPS526428B1 (enExample)
CA (1) CA972056A (enExample)
DE (1) DE2120662A1 (enExample)
FR (1) FR2090689A5 (enExample)
GB (1) GB1349072A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3719878A (en) * 1971-09-27 1973-03-06 Sperry Rand Corp Digital automatic control system with pseudo position feedback and monitor
US3965621A (en) * 1972-12-21 1976-06-29 Textron, Inc. Control system for grinding machine
US3859760A (en) * 1972-12-21 1975-01-14 Paul E Grieb Control system for grinding machine
IT1034371B (it) * 1974-05-02 1979-09-10 Ibm Sistema di controllo per un motore a passi
US4017045A (en) * 1975-12-24 1977-04-12 The Bendix Corporation Flap compensation system for use when controlling the pitch attitude of an aircraft
US5610810A (en) * 1981-09-06 1997-03-11 Canon Kabushiki Kaisha Apparatus for correcting errors in a digital-to-analog converter
DE102007012425A1 (de) * 2007-03-15 2008-09-18 Airbus Deutschland Gmbh Verfahren und Einrichtung zur Höhenflossentrimmung bei einem Flugzeug

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3260912A (en) * 1963-06-19 1966-07-12 Gen Motors Corp Power amplifier employing pulse duration modulation
US3465217A (en) * 1965-02-26 1969-09-02 Collins Radio Co Digitalized shaft rotation direction control
US3399753A (en) * 1966-01-10 1968-09-03 Theresa Beckman Printer with type wheel rotatable in either direction
US3484666A (en) * 1966-06-20 1969-12-16 Warner Electric Brake & Clutch Servo system

Also Published As

Publication number Publication date
DE2120662A1 (de) 1971-11-11
JPS526428B1 (enExample) 1977-02-22
US3643146A (en) 1972-02-15
CA972056A (en) 1975-07-29
FR2090689A5 (enExample) 1972-01-14

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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