JPH0246885B2 - - Google Patents
Info
- Publication number
- JPH0246885B2 JPH0246885B2 JP59069858A JP6985884A JPH0246885B2 JP H0246885 B2 JPH0246885 B2 JP H0246885B2 JP 59069858 A JP59069858 A JP 59069858A JP 6985884 A JP6985884 A JP 6985884A JP H0246885 B2 JPH0246885 B2 JP H0246885B2
- Authority
- JP
- Japan
- Prior art keywords
- flip
- circuit
- clock
- liquid level
- flop
- 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 - Lifetime
Links
- 239000007788 liquid Substances 0.000 claims description 25
- 239000004020 conductor Substances 0.000 claims description 5
- 239000011295 pitch Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000003111 delayed effect Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000013078 crystal Substances 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
- G01F23/266—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 measuring circuits therefor
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59069858A JPS60213822A (ja) | 1984-04-07 | 1984-04-07 | 液位計測装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59069858A JPS60213822A (ja) | 1984-04-07 | 1984-04-07 | 液位計測装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60213822A JPS60213822A (ja) | 1985-10-26 |
JPH0246885B2 true JPH0246885B2 (fr) | 1990-10-17 |
Family
ID=13414922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59069858A Granted JPS60213822A (ja) | 1984-04-07 | 1984-04-07 | 液位計測装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60213822A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007218740A (ja) * | 2006-02-16 | 2007-08-30 | Taiheiyo Cement Corp | 液面センサ装置、コンクリート製品、及び、浸水状況検知システム |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5138880A (en) * | 1991-05-29 | 1992-08-18 | Lee/Maatuk Engineering, Inc. | Digital level sensing probe system |
EP1744132A1 (fr) * | 2005-07-11 | 2007-01-17 | Siemens Milltronics Process Instruments Inc. | Capteur de niveau capacitif défini par plusieurs segments comprenant chacun une capacitance et un circuit |
CN105572479B (zh) * | 2015-11-27 | 2018-11-02 | 天龙中闽科技有限公司 | 可叠加扩展的用于电容容量测量的电路模块、扩展方便的液位高度检测电路 |
WO2017189009A1 (fr) | 2016-04-29 | 2017-11-02 | Hewlett-Packard Development Company, L.P. | Appareil d'impression et procédés de détection de niveaux de fluide |
-
1984
- 1984-04-07 JP JP59069858A patent/JPS60213822A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007218740A (ja) * | 2006-02-16 | 2007-08-30 | Taiheiyo Cement Corp | 液面センサ装置、コンクリート製品、及び、浸水状況検知システム |
Also Published As
Publication number | Publication date |
---|---|
JPS60213822A (ja) | 1985-10-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |