GB2012055B - Control apparatus - Google Patents
Control apparatusInfo
- Publication number
- GB2012055B GB2012055B GB7902088A GB7902088A GB2012055B GB 2012055 B GB2012055 B GB 2012055B GB 7902088 A GB7902088 A GB 7902088A GB 7902088 A GB7902088 A GB 7902088A GB 2012055 B GB2012055 B GB 2012055B
- Authority
- GB
- United Kingdom
- Prior art keywords
- control apparatus
- control
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
- G01N31/162—Determining the equivalent point by means of a discontinuity
- G01N31/164—Determining the equivalent point by means of a discontinuity by electrical or electrochemical means
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
- G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Molecular Biology (AREA)
- Analytical Chemistry (AREA)
- Electrochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Control Of Non-Electrical Variables (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7902088A GB2012055B (en) | 1977-10-19 | 1979-01-19 | Control apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4357877 | 1977-10-19 | ||
GB7902088A GB2012055B (en) | 1977-10-19 | 1979-01-19 | Control apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2012055A GB2012055A (en) | 1979-07-18 |
GB2012055B true GB2012055B (en) | 1982-03-03 |
Family
ID=26265200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7902088A Expired GB2012055B (en) | 1977-10-19 | 1979-01-19 | Control apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2012055B (en) |
-
1979
- 1979-01-19 GB GB7902088A patent/GB2012055B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2012055A (en) | 1979-07-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |