GB2087682B - Distance measuring apparatus - Google Patents
Distance measuring apparatusInfo
- Publication number
- GB2087682B GB2087682B GB8040266A GB8040266A GB2087682B GB 2087682 B GB2087682 B GB 2087682B GB 8040266 A GB8040266 A GB 8040266A GB 8040266 A GB8040266 A GB 8040266A GB 2087682 B GB2087682 B GB 2087682B
- Authority
- GB
- United Kingdom
- Prior art keywords
- measuring apparatus
- distance measuring
- distance
- measuring
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
- F24D3/105—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system pumps combined with multiple way valves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Fluid Mechanics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8040266A GB2087682B (en) | 1980-10-27 | 1980-12-16 | Distance measuring apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8034483 | 1980-10-27 | ||
GB8040266A GB2087682B (en) | 1980-10-27 | 1980-12-16 | Distance measuring apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2087682A GB2087682A (en) | 1982-05-26 |
GB2087682B true GB2087682B (en) | 1984-11-21 |
Family
ID=26277330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8040266A Expired GB2087682B (en) | 1980-10-27 | 1980-12-16 | Distance measuring apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2087682B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4994749A (en) * | 1988-12-16 | 1991-02-19 | General Electric Company | Liquid sensor with high sensitivity near empty |
DE4233324C2 (en) * | 1992-10-05 | 1996-02-01 | Krohne Messtechnik Kg | Process for measuring the level of a liquid in a container according to the radar principle |
NO178919C (en) * | 1994-03-18 | 1996-07-03 | Norsk Hydro As | Level control system for continuous or semi-continuous metal casting equipment |
US5609059A (en) * | 1994-12-19 | 1997-03-11 | The Regents Of The University Of California | Electronic multi-purpose material level sensor |
EP1010017A1 (en) * | 1997-04-14 | 2000-06-21 | Sud Est Electro Mecanique - S.E.E.M. S.A. | Device for detecting the position or condition of a target |
JP3461498B2 (en) * | 2001-03-01 | 2003-10-27 | 徹志 上保 | Distance measuring device, distance measuring equipment and distance measuring method |
WO2003104841A1 (en) * | 2002-06-07 | 2003-12-18 | 株式会社島精機製作所 | Distance measurement method and device |
-
1980
- 1980-12-16 GB GB8040266A patent/GB2087682B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2087682A (en) | 1982-05-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |