GB9222762D0 - Controller - Google Patents

Controller

Info

Publication number
GB9222762D0
GB9222762D0 GB929222762A GB9222762A GB9222762D0 GB 9222762 D0 GB9222762 D0 GB 9222762D0 GB 929222762 A GB929222762 A GB 929222762A GB 9222762 A GB9222762 A GB 9222762A GB 9222762 D0 GB9222762 D0 GB 9222762D0
Authority
GB
United Kingdom
Prior art keywords
controller
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.)
Granted
Application number
GB929222762A
Other versions
GB2261084A (en
GB2261084B (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.)
BIRT ELECTRONIC SYSTEM Ltd
Original Assignee
BIRT ELECTRONIC SYSTEM 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 BIRT ELECTRONIC SYSTEM Ltd filed Critical BIRT ELECTRONIC SYSTEM Ltd
Publication of GB9222762D0 publication Critical patent/GB9222762D0/en
Publication of GB2261084A publication Critical patent/GB2261084A/en
Application granted granted Critical
Publication of GB2261084B publication Critical patent/GB2261084B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1909—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can only take two discrete values

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Temperature (AREA)
GB9222762A 1991-10-30 1992-10-30 Controller Expired - Fee Related GB2261084B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919123012A GB9123012D0 (en) 1991-10-30 1991-10-30 Temperature controller

Publications (3)

Publication Number Publication Date
GB9222762D0 true GB9222762D0 (en) 1992-12-09
GB2261084A GB2261084A (en) 1993-05-05
GB2261084B GB2261084B (en) 1995-02-01

Family

ID=10703763

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919123012A Pending GB9123012D0 (en) 1991-10-30 1991-10-30 Temperature controller
GB9222762A Expired - Fee Related GB2261084B (en) 1991-10-30 1992-10-30 Controller

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB919123012A Pending GB9123012D0 (en) 1991-10-30 1991-10-30 Temperature controller

Country Status (1)

Country Link
GB (2) GB9123012D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3437410B2 (en) * 1997-06-02 2003-08-18 シャープ株式会社 Heater control device
CN107562088B (en) * 2017-09-20 2023-06-13 惠州市日进科技有限公司 Temperature controller for resistance measurement and temperature control method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4051394A (en) * 1976-03-15 1977-09-27 The Boeing Company Zero crossing ac relay control circuit

Also Published As

Publication number Publication date
GB2261084A (en) 1993-05-05
GB2261084B (en) 1995-02-01
GB9123012D0 (en) 1991-12-18

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Legal Events

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