GB1372043A - Manual/automatic stations for use in process control systems - Google Patents

Manual/automatic stations for use in process control systems

Info

Publication number
GB1372043A
GB1372043A GB4580971A GB4580971A GB1372043A GB 1372043 A GB1372043 A GB 1372043A GB 4580971 A GB4580971 A GB 4580971A GB 4580971 A GB4580971 A GB 4580971A GB 1372043 A GB1372043 A GB 1372043A
Authority
GB
United Kingdom
Prior art keywords
manual
input
automatic
amplifier
capacitor
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
GB4580971A
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.)
Elsag Bailey Inc
Original Assignee
Bailey Meter Co
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 Bailey Meter Co filed Critical Bailey Meter Co
Publication of GB1372043A publication Critical patent/GB1372043A/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
    • G05B7/00—Arrangements for obtaining smooth engagement or disengagement of automatic control
    • G05B7/02—Arrangements for obtaining smooth engagement or disengagement of automatic control electric

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Feedback Control In General (AREA)
  • Measuring Fluid Pressure (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Amplifiers (AREA)
GB4580971A 1970-10-01 1971-10-01 Manual/automatic stations for use in process control systems Expired GB1372043A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7710470A 1970-10-01 1970-10-01

Publications (1)

Publication Number Publication Date
GB1372043A true GB1372043A (en) 1974-10-30

Family

ID=22136083

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4580971A Expired GB1372043A (en) 1970-10-01 1971-10-01 Manual/automatic stations for use in process control systems

Country Status (4)

Country Link
US (1) US3662275A (https=)
JP (1) JPS5136413B1 (https=)
DE (1) DE2148806C2 (https=)
GB (1) GB1372043A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2150322A (en) * 1983-11-22 1985-06-26 Victor Company Of Japan Rotation control apparatus for a motor

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831099A (en) * 1972-01-27 1974-08-20 Babcock & Wilcox Co Controller having gain selectable independently of controller output
US3772602A (en) * 1972-09-05 1973-11-13 Fischer & Porter Co Process controller with bumpless transfer
US3914699A (en) * 1972-11-09 1975-10-21 Honeywell Inc Process controller having electronic manual control
US3826991A (en) * 1972-11-09 1974-07-30 Honeywell Inc Process controller having electronic manual control
US3940594A (en) * 1974-08-13 1976-02-24 Beckman Instruments, Inc. Automatic process controller with bumpless operation
US4099114A (en) * 1976-10-29 1978-07-04 Leeds & Northrup Company Servo stop system
US4184125A (en) * 1978-07-07 1980-01-15 The United States Of America As Represented By The Secretary Of The Air Force Analog tuning voltage circuit with analog signal multiplexing
US6165395A (en) * 1998-11-25 2000-12-26 Thatcher Tubes Llc Process control method for a machine for manufacturing thermoplastic tubes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3068387A (en) * 1959-09-21 1962-12-11 Bailey Meter Co Manual and automatic control servo-system
US3422457A (en) * 1965-07-21 1969-01-14 Bailey Meter Co Arrangement for bumpless transfer of a servo control system from automatic to manual and vice versa
US3566282A (en) * 1968-06-25 1971-02-23 Monsanto Co Analog controller including manual pulse-train control
DE1806728C2 (de) * 1968-11-02 1974-11-14 Philips Patentverwaltungs Gmbh, 2000 Hamburg Schaltungsanordnung zum stoßfreien Umschalten einer elektrischen Regeleinrichtung von Automatik- auf Handbetrieb und umgekehrt

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2150322A (en) * 1983-11-22 1985-06-26 Victor Company Of Japan Rotation control apparatus for a motor

Also Published As

Publication number Publication date
US3662275A (en) 1972-05-09
DE2148806C2 (de) 1984-08-09
DE2148806A1 (de) 1972-04-06
JPS5136413B1 (https=) 1976-10-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee