GB2009450B - Enivironmental parameter control - Google Patents

Enivironmental parameter control

Info

Publication number
GB2009450B
GB2009450B GB7832688A GB7832688A GB2009450B GB 2009450 B GB2009450 B GB 2009450B GB 7832688 A GB7832688 A GB 7832688A GB 7832688 A GB7832688 A GB 7832688A GB 2009450 B GB2009450 B GB 2009450B
Authority
GB
United Kingdom
Prior art keywords
enivironmental
parameter control
parameter
control
enivironmental parameter
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
GB7832688A
Other versions
GB2009450A (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.)
YORKPARK Ltd
Original Assignee
YORKPARK Ltd
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 YORKPARK Ltd filed Critical YORKPARK Ltd
Priority to GB7832688A priority Critical patent/GB2009450B/en
Publication of GB2009450A publication Critical patent/GB2009450A/en
Application granted granted Critical
Publication of GB2009450B publication Critical patent/GB2009450B/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
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/045—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using logic state machines, consisting only of a memory or a programmable logic device containing the logic for the controlled machine and in which the state of its outputs is dependent on the state of its inputs or part of its own output states, e.g. binary decision controllers, finite state controllers
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G15/00—Time-pieces comprising means to be operated at preselected times or after preselected time intervals
    • G04G15/006—Time-pieces comprising means to be operated at preselected times or after preselected time intervals for operating at a number of different times

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Electric Clocks (AREA)
GB7832688A 1977-05-09 1978-08-09 Enivironmental parameter control Expired GB2009450B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7832688A GB2009450B (en) 1977-05-09 1978-08-09 Enivironmental parameter control

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1939277 1977-05-09
GB7832688A GB2009450B (en) 1977-05-09 1978-08-09 Enivironmental parameter control

Publications (2)

Publication Number Publication Date
GB2009450A GB2009450A (en) 1979-06-13
GB2009450B true GB2009450B (en) 1982-06-09

Family

ID=26254028

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7832688A Expired GB2009450B (en) 1977-05-09 1978-08-09 Enivironmental parameter control

Country Status (1)

Country Link
GB (1) GB2009450B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2137770A (en) * 1983-04-07 1984-10-10 Robert John Cobbold Control of Heating Systems
GB2143966A (en) * 1983-07-26 1985-02-20 Stephen Day Electronic apparatus for switching at predetermined times
CH655587B (en) * 1983-09-22 1986-04-30
GB8529226D0 (en) * 1985-11-27 1986-01-02 Diamond H Controls Ltd Timer
GB2234366A (en) * 1989-06-06 1991-01-30 Smith Meters Ltd Time controls

Also Published As

Publication number Publication date
GB2009450A (en) 1979-06-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee