GB614229A - Improvements in level or angle indicator - Google Patents
Improvements in level or angle indicatorInfo
- Publication number
- GB614229A GB614229A GB35087/45A GB3508745A GB614229A GB 614229 A GB614229 A GB 614229A GB 35087/45 A GB35087/45 A GB 35087/45A GB 3508745 A GB3508745 A GB 3508745A GB 614229 A GB614229 A GB 614229A
- Authority
- GB
- United Kingdom
- Prior art keywords
- level
- electrodes
- plates
- dec
- container
- 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
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C9/20—Measuring inclination, e.g. by clinometers, by levels by using liquids the indication being based on the inclination of the surface of a liquid relative to its container
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
614,229. Indicating liquid level. DU MONT LABORATORIES, Inc., A. B. Dec. 28, 1945, No. 35087. Convention date, Dec. 30, 1944. [Class 40 (i)] A level or angle indicator comprises a Wheatstone bridge, the impedances of two arms of which are determined by the position of electrodes in relation to the. position of a conducting liquid. In one arrangement, the inclination of a container 15, containing a resistive fluid, is indicated on a C.R. tube O by connecting the Y plates, through an amplifier 10, to the diagonal points of an A.C. bridge made up of the resistance of the liquid between symmetrically arranged electrodes band c (R1, R2), and standard resistors R3 and R4. The X plates are connected to the A.C. supply, so that as the resistances between electrodes b, a and c are differentially varied by tilting the container, the trace is tilted correspondingly. In a modification, the capacitance changes between a mercury surface and two fixed plates may be utilized.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US614229XA | 1944-12-30 | 1944-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB614229A true GB614229A (en) | 1948-12-13 |
Family
ID=22035684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB35087/45A Expired GB614229A (en) | 1944-12-30 | 1945-12-28 | Improvements in level or angle indicator |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB614229A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0011087A1 (en) * | 1978-11-02 | 1980-05-28 | Robert Bosch Gmbh | Alarm device, particularly for automotive vehicles |
| GB2250600A (en) * | 1990-12-06 | 1992-06-10 | Racom Intellectual Property Li | Inclinometer |
| CN113532252A (en) * | 2021-02-04 | 2021-10-22 | 深圳市安泰数据监测科技有限公司 | Differential type automatic monitoring device for slope deep angle displacement |
-
1945
- 1945-12-28 GB GB35087/45A patent/GB614229A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0011087A1 (en) * | 1978-11-02 | 1980-05-28 | Robert Bosch Gmbh | Alarm device, particularly for automotive vehicles |
| GB2250600A (en) * | 1990-12-06 | 1992-06-10 | Racom Intellectual Property Li | Inclinometer |
| WO1992010721A1 (en) * | 1990-12-06 | 1992-06-25 | Racom Intellectual Property Limited | Inclinometer |
| CN113532252A (en) * | 2021-02-04 | 2021-10-22 | 深圳市安泰数据监测科技有限公司 | Differential type automatic monitoring device for slope deep angle displacement |
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