CH432026A - Anordnung zur Auslösung von Schaltvorgängen in Abhängigkeit von Kapazitätsänderungen - Google Patents
Anordnung zur Auslösung von Schaltvorgängen in Abhängigkeit von KapazitätsänderungenInfo
- Publication number
- CH432026A CH432026A CH14366A CH14366A CH432026A CH 432026 A CH432026 A CH 432026A CH 14366 A CH14366 A CH 14366A CH 14366 A CH14366 A CH 14366A CH 432026 A CH432026 A CH 432026A
- Authority
- CH
- Switzerland
- Prior art keywords
- capacitance
- oscillator
- circuit
- rectifier
- transistor
- Prior art date
Links
- 238000000034 method Methods 0.000 title description 14
- 230000010355 oscillation Effects 0.000 claims description 37
- 238000004804 winding Methods 0.000 claims description 18
- 239000003990 capacitor Substances 0.000 claims description 13
- 239000000725 suspension Substances 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims 2
- 239000000523 sample Substances 0.000 description 13
- 230000007423 decrease Effects 0.000 description 8
- 230000033228 biological regulation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000029305 taxis Effects 0.000 description 1
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
- G01F23/26—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
-
- 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
- G01F23/26—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
- G01F23/265—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors for discrete levels
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Automation & Control Theory (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1965E0028514 DE1288323B (de) | 1965-01-16 | 1965-01-16 | Anordnung zur Ausloesung von Schaltvorgaengen in Abhaengigkeit von Kapazitaetsaenderungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH432026A true CH432026A (de) | 1967-03-15 |
Family
ID=7073383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH14366A CH432026A (de) | 1965-01-16 | 1966-01-05 | Anordnung zur Auslösung von Schaltvorgängen in Abhängigkeit von Kapazitätsänderungen |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH432026A (forum.php) |
| DE (1) | DE1288323B (forum.php) |
| FR (1) | FR1469274A (forum.php) |
| GB (1) | GB1135283A (forum.php) |
| NL (1) | NL6600334A (forum.php) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7413475A (nl) * | 1974-10-14 | 1976-04-20 | Mattheus Gijsbertus Jozef Arts | Niveauregeling. |
| CA1268814A (en) * | 1984-06-13 | 1990-05-08 | Larry Wayne Moore | Apparatus and methods for fluid level sensing |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE366223C (de) * | 1920-09-17 | 1923-01-05 | Robert R A Hoffmann | Verfahren zum Anzeigen der Zeigerbewegung empfindlicher Instrumente |
| DE1031532B (de) * | 1953-12-23 | 1958-06-04 | Siemens Ag | Anordnung zur Umsetzung mechanischer Groessen in elektrische Groessen in der Fernmeldetechnik, fuer UEberwachungs-schaltungen, Messwertumformer, Messwertverstaerker od. dgl. |
| DE1791391U (de) * | 1957-03-26 | 1959-07-02 | J C Eckardt A G | Fuehlereinrichtung fuer die abtastung der zeigerstellung von messwerken. |
| DE1816103U (de) * | 1957-12-10 | 1960-08-04 | J C Eckardt A G | Messgroessenumformer. |
-
1965
- 1965-01-16 DE DE1965E0028514 patent/DE1288323B/de active Pending
-
1966
- 1966-01-05 CH CH14366A patent/CH432026A/de unknown
- 1966-01-11 NL NL6600334A patent/NL6600334A/xx unknown
- 1966-01-15 FR FR69046826A patent/FR1469274A/fr not_active Expired
- 1966-01-17 GB GB214966A patent/GB1135283A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1469274A (fr) | 1967-02-10 |
| GB1135283A (en) | 1968-12-04 |
| DE1288323B (de) | 1969-01-30 |
| NL6600334A (forum.php) | 1966-07-18 |
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