GB2261084B - Controller - Google Patents
ControllerInfo
- Publication number
- GB2261084B GB2261084B GB9222762A GB9222762A GB2261084B GB 2261084 B GB2261084 B GB 2261084B GB 9222762 A GB9222762 A GB 9222762A GB 9222762 A GB9222762 A GB 9222762A GB 2261084 B GB2261084 B GB 2261084B
- 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.)
- Expired - Fee Related
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)
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 GB9222762D0 (en) | 1992-12-09 |
GB2261084A GB2261084A (en) | 1993-05-05 |
GB2261084B true 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)
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 |
Citations (1)
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 |
-
1991
- 1991-10-30 GB GB919123012A patent/GB9123012D0/en active Pending
-
1992
- 1992-10-30 GB GB9222762A patent/GB2261084B/en not_active Expired - Fee Related
Patent Citations (1)
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 |
---|---|
GB9222762D0 (en) | 1992-12-09 |
GB9123012D0 (en) | 1991-12-18 |
GB2261084A (en) | 1993-05-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |