FR923089A - Improvements to transmitters for measuring device - Google Patents
Improvements to transmitters for measuring deviceInfo
- Publication number
- FR923089A FR923089A FR923089DA FR923089A FR 923089 A FR923089 A FR 923089A FR 923089D A FR923089D A FR 923089DA FR 923089 A FR923089 A FR 923089A
- Authority
- FR
- France
- Prior art keywords
- transmitters
- measuring device
- 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
-
- 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
- G01F23/296—Acoustic waves
- G01F23/2966—Acoustic waves making use of acoustical resonance or standing waves
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US923089XA | 1945-09-08 | 1945-09-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR923089A true FR923089A (en) | 1947-06-26 |
Family
ID=22232630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR923089D Expired FR923089A (en) | 1945-09-08 | 1946-03-02 | Improvements to transmitters for measuring device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR923089A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0079422A1 (en) * | 1981-10-29 | 1983-05-25 | Edo Western Corporation | Method and apparatus for detecting the presence of liquid |
-
1946
- 1946-03-02 FR FR923089D patent/FR923089A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0079422A1 (en) * | 1981-10-29 | 1983-05-25 | Edo Western Corporation | Method and apparatus for detecting the presence of liquid |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR920263A (en) | Improvements to devices for measuring speed | |
FR920651A (en) | Measuring device | |
CH259856A (en) | Device for measuring distance by means of continuous radio waves. | |
FR923089A (en) | Improvements to transmitters for measuring device | |
FR947520A (en) | Measuring device | |
FR926565A (en) | Improvements relating to measuring devices | |
FR917899A (en) | Pneumatic measuring device | |
FR920986A (en) | Improvements to transmitters for measuring devices | |
FR912152A (en) | Device for measuring low electrical charges | |
FR922976A (en) | Improvements to measuring devices for fluids | |
FR927712A (en) | Improvements to measuring devices | |
FR936229A (en) | Volumetric measuring device | |
FR935025A (en) | Indicator device for planers for boards | |
FR914892A (en) | Device for navigation | |
FR918588A (en) | Improvements to deviation measuring devices | |
FR935275A (en) | Pressure measuring device | |
FR942198A (en) | Improvements to micrometric measuring instruments | |
FI22774A (en) | Adjustment device for pointer gauges | |
FR922324A (en) | Improvements to measuring instruments | |
FR944057A (en) | Improvements to measuring instruments | |
FR996039A (en) | Servo-braking device for vehicle | |
FR915683A (en) | Measuring device for certain characteristic factors of electron tubes | |
FR935427A (en) | Measuring device | |
FR913076A (en) | Measuring device | |
FR943708A (en) | Improvements to angle measuring devices |