JPH0519200B2 - - Google Patents
Info
- Publication number
- JPH0519200B2 JPH0519200B2 JP63164834A JP16483488A JPH0519200B2 JP H0519200 B2 JPH0519200 B2 JP H0519200B2 JP 63164834 A JP63164834 A JP 63164834A JP 16483488 A JP16483488 A JP 16483488A JP H0519200 B2 JPH0519200 B2 JP H0519200B2
- Authority
- JP
- Japan
- Prior art keywords
- data transmission
- transmission device
- measuring
- receiving unit
- signal
- 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
- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 238000012545 processing Methods 0.000 claims abstract description 17
- 238000005259 measurement Methods 0.000 claims description 32
- 239000004020 conductor Substances 0.000 claims description 10
- 230000001939 inductive effect Effects 0.000 claims description 4
- 239000012777 electrically insulating material Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000004804 winding Methods 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
- G01F23/30—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 floats
- G01F23/56—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 floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
- G01F23/60—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 floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using electrically actuated indicating means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
-
- 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
- G01F23/30—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 floats
- G01F23/40—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 floats using bands or wires as transmission elements
- G01F23/44—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 floats using bands or wires as transmission elements using electrically actuated indicating means
-
- 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
- G01F23/30—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 floats
- G01F23/40—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 floats using bands or wires as transmission elements
- G01F23/46—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 floats using bands or wires as transmission elements using magnetically actuated indicating means
-
- 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
- G01F23/30—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 floats
- G01F23/56—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 floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
- G01F23/62—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 floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using magnetically actuated indicating means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Selective Calling Equipment (AREA)
- Exchange Systems With Centralized Control (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Circuits Of Receivers In General (AREA)
- Control By Computers (AREA)
- Communication Control (AREA)
- Surgical Instruments (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE8700738A BE1000709A4 (nl) | 1987-07-01 | 1987-07-01 | Inrichting voor de transmissie van gegevens. |
| BE8700738 | 1987-07-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01280994A JPH01280994A (ja) | 1989-11-13 |
| JPH0519200B2 true JPH0519200B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-03-16 |
Family
ID=3882752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63164834A Granted JPH01280994A (ja) | 1987-07-01 | 1988-07-01 | 測定データ伝送装置 |
Country Status (14)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2272026A (en) * | 1992-10-29 | 1994-05-04 | William Chilton | Electrical power generation from waves |
| US5602540A (en) * | 1993-06-14 | 1997-02-11 | Simmonds Precision Products Inc. | Fluid gauging apparatus with inductive interrogation |
| DE102009002009A1 (de) * | 2009-03-31 | 2010-10-07 | Endress + Hauser Gmbh + Co. Kg | Vorrichtung zur Reduzierung bzw. Minimierung von Störsignalen bei einem Feldgerät der Prozessautomatisierung |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH222573A (de) * | 1939-09-29 | 1942-07-31 | Ig Farbenindustrie Ag | Elektromagnetische Messeinrichtung. |
| US2750794A (en) * | 1952-11-07 | 1956-06-19 | George W Downs | Acoustisonde apparatus for measuring and recording physical properties of the sea |
| US3512408A (en) * | 1967-12-08 | 1970-05-19 | Trw Inc | Bathometer |
| US3969941A (en) * | 1973-11-08 | 1976-07-20 | E. Rapp Electronik Gmbh | Level detector for liquids and other flowable masses |
| SU511707A1 (ru) * | 1973-12-12 | 1976-04-25 | Институт Океанологии Им.П.П.Ширшова Ан Союзасср | Индуктивна муфта дл бесконтактной передачи сигналов в морской воде |
| US3974695A (en) * | 1975-08-18 | 1976-08-17 | Sun Oil Company Of Pennsylvania | Double level gauge |
| JPS5482257A (en) * | 1977-12-14 | 1979-06-30 | Tokyo Keiso Kk | System for supervising plurality of tank yard |
| US4309655A (en) * | 1978-06-23 | 1982-01-05 | Lgz Landis & Gyr Zug Ag | Measuring transformer |
| US4263587A (en) * | 1979-04-09 | 1981-04-21 | International Telephone And Telegraph Corporation | Liquid level control system |
| GB2046912B (en) * | 1979-05-09 | 1983-04-07 | Edworthy K J | Liquid level detector |
| US4515015A (en) * | 1983-02-16 | 1985-05-07 | Magnetrol International, Incorporated | Capacitance level sensor for use with viscous, electrically conductive materials |
| US4571998A (en) * | 1984-07-18 | 1986-02-25 | Kevin Stegner | In-ground tank measuring system |
| DE3447560A1 (de) * | 1984-12-21 | 1986-07-10 | Angewandte Digital Elektronik Gmbh, 2051 Brunstorf | Einrichtung zur beruehrungslosen signal- und energieuebertragung |
| US4676101A (en) * | 1986-09-03 | 1987-06-30 | Walbro Corporation | Capacitance-type material level indicator |
| US4831327A (en) * | 1987-05-01 | 1989-05-16 | Hydro-Quebec | Self-powered electrical measuring system isolated from electrical perturbances |
-
1987
- 1987-07-01 BE BE8700738A patent/BE1000709A4/nl not_active IP Right Cessation
-
1988
- 1988-06-23 ES ES198888201294T patent/ES2009739T3/es not_active Expired - Fee Related
- 1988-06-23 EP EP88201294A patent/EP0297662B1/en not_active Expired - Lifetime
- 1988-06-23 AT AT88201294T patent/ATE70124T1/de not_active IP Right Cessation
- 1988-06-23 DE DE198888201294T patent/DE297662T1/de active Pending
- 1988-06-23 DE DE8888201294T patent/DE3866608D1/de not_active Expired - Fee Related
- 1988-06-28 CA CA000570583A patent/CA1298378C/en not_active Expired - Fee Related
- 1988-06-29 US US07/212,791 patent/US4983964A/en not_active Expired - Fee Related
- 1988-06-29 AU AU18498/88A patent/AU600368B2/en not_active Ceased
- 1988-06-29 ZA ZA884635A patent/ZA884635B/xx unknown
- 1988-06-30 BR BR8803231A patent/BR8803231A/pt not_active IP Right Cessation
- 1988-06-30 NO NO882916A patent/NO174607C/no not_active IP Right Cessation
- 1988-07-01 YU YU128288A patent/YU47470B/sh unknown
- 1988-07-01 JP JP63164834A patent/JPH01280994A/ja active Granted
-
1990
- 1990-03-14 GR GR89300142T patent/GR890300142T1/el unknown
-
1992
- 1992-03-04 GR GR920400378T patent/GR3003955T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GR3003955T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-03-16 |
| YU128288A (en) | 1991-01-28 |
| EP0297662B1 (en) | 1991-12-04 |
| ES2009739A4 (es) | 1989-10-16 |
| AU600368B2 (en) | 1990-08-09 |
| YU47470B (sh) | 1995-10-03 |
| JPH01280994A (ja) | 1989-11-13 |
| DE3866608D1 (de) | 1992-01-16 |
| NO882916L (no) | 1989-01-02 |
| NO882916D0 (no) | 1988-06-30 |
| GR890300142T1 (en) | 1990-03-14 |
| AU1849888A (en) | 1989-01-05 |
| EP0297662A2 (en) | 1989-01-04 |
| NO174607C (no) | 1994-06-01 |
| NO174607B (no) | 1994-02-21 |
| US4983964A (en) | 1991-01-08 |
| ES2009739T3 (es) | 1992-06-01 |
| EP0297662A3 (en) | 1989-05-24 |
| CA1298378C (en) | 1992-03-31 |
| BR8803231A (pt) | 1989-01-31 |
| DE297662T1 (de) | 1989-10-26 |
| ZA884635B (en) | 1989-06-28 |
| ATE70124T1 (de) | 1991-12-15 |
| BE1000709A4 (nl) | 1989-03-14 |
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