FR1494110A - Permanent measurement device of a variable distance - Google Patents
Permanent measurement device of a variable distanceInfo
- Publication number
- FR1494110A FR1494110A FR58972A FR58972A FR1494110A FR 1494110 A FR1494110 A FR 1494110A FR 58972 A FR58972 A FR 58972A FR 58972 A FR58972 A FR 58972A FR 1494110 A FR1494110 A FR 1494110A
- Authority
- FR
- France
- Prior art keywords
- measurement device
- variable distance
- permanent measurement
- permanent
- variable
- 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
- 238000005259 measurement Methods 0.000 title 1
Classifications
-
- 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
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/12—Systems for determining distance or velocity not using reflection or reradiation using electromagnetic waves other than radio waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/22—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length at, near, or formed by the object
-
- 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
- G01F23/292—Light, e.g. infrared or ultraviolet
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR58972A FR1494110A (en) | 1966-04-25 | 1966-04-25 | Permanent measurement device of a variable distance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR58972A FR1494110A (en) | 1966-04-25 | 1966-04-25 | Permanent measurement device of a variable distance |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1494110A true FR1494110A (en) | 1967-09-08 |
Family
ID=8607049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR58972A Expired FR1494110A (en) | 1966-04-25 | 1966-04-25 | Permanent measurement device of a variable distance |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1494110A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2235356A1 (en) * | 1973-06-29 | 1975-01-24 | Sfim | |
FR2367267A1 (en) * | 1976-10-06 | 1978-05-05 | Bofors Ab | METHOD AND DEVICE FOR INITIAL ADJUSTMENT OF COOPERATING ROTARY APPLIANCES |
WO1989011139A1 (en) * | 1988-05-04 | 1989-11-16 | Eugenio Monaco | A device for the screening in the fog with 100 to 7000 micron electromagnetic waves and microcell screen |
-
1966
- 1966-04-25 FR FR58972A patent/FR1494110A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2235356A1 (en) * | 1973-06-29 | 1975-01-24 | Sfim | |
FR2367267A1 (en) * | 1976-10-06 | 1978-05-05 | Bofors Ab | METHOD AND DEVICE FOR INITIAL ADJUSTMENT OF COOPERATING ROTARY APPLIANCES |
WO1989011139A1 (en) * | 1988-05-04 | 1989-11-16 | Eugenio Monaco | A device for the screening in the fog with 100 to 7000 micron electromagnetic waves and microcell screen |
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