NO148574C - Selvstendig og selvdrevet, elektrisk maaleinstrument - Google Patents
Selvstendig og selvdrevet, elektrisk maaleinstrumentInfo
- Publication number
- NO148574C NO148574C NO790927A NO790927A NO148574C NO 148574 C NO148574 C NO 148574C NO 790927 A NO790927 A NO 790927A NO 790927 A NO790927 A NO 790927A NO 148574 C NO148574 C NO 148574C
- Authority
- NO
- Norway
- Prior art keywords
- independent
- self
- driving electric
- electric milling
- milling instruments
- Prior art date
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
- G01F23/30—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
- G01F23/64—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 of the free float type without mechanical transmission elements
- G01F23/68—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 of the free float type without mechanical transmission elements using electrically actuated indicating means
- G01F23/70—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 of the free float type without mechanical transmission elements using electrically actuated indicating means for sensing changes in level only at discrete points
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/14—Measuring resistance by measuring current or voltage obtained from a reference source
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S136/00—Batteries: thermoelectric and photoelectric
- Y10S136/291—Applications
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Level Indicators Using A Float (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Crushing And Grinding (AREA)
- Adjustment And Processing Of Grains (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/888,467 US4164145A (en) | 1978-03-20 | 1978-03-20 | Self-powered electrical meter for display of a liquid-level or the like measurement |
Publications (3)
Publication Number | Publication Date |
---|---|
NO790927L NO790927L (no) | 1979-09-21 |
NO148574B NO148574B (no) | 1983-07-25 |
NO148574C true NO148574C (no) | 1983-11-09 |
Family
ID=25393221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO790927A NO148574C (no) | 1978-03-20 | 1979-03-19 | Selvstendig og selvdrevet, elektrisk maaleinstrument |
Country Status (6)
Country | Link |
---|---|
US (1) | US4164145A (fr) |
DE (1) | DE2909389A1 (fr) |
FR (1) | FR2420741B1 (fr) |
GB (1) | GB2017320B (fr) |
NO (1) | NO148574C (fr) |
SE (1) | SE7902409L (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4831878A (en) * | 1986-05-01 | 1989-05-23 | Toyoda Gosei Co., Ltd. | Structure for mounting liquid level meter |
EP0262430A1 (fr) * | 1986-09-29 | 1988-04-06 | BBC Brown Boveri AG | Dispositif à transformateur de courant pour installations de haute tension en plein air |
GB2234122A (en) * | 1989-06-10 | 1991-01-23 | Anderson Strathclyde Plc | Photovoltaically powered apparatus for condition monitoring; liquid level monitoring |
US5438225A (en) * | 1992-02-06 | 1995-08-01 | Murphy Management Inc. | Solar powered annuciator |
US5563456A (en) * | 1992-02-06 | 1996-10-08 | Murphy Management Inc. | Solar powered annunciator |
DE19728763B4 (de) * | 1997-07-07 | 2007-10-31 | Reitter & Schefenacker Gmbh & Co. Kg | Schaltungseinrichtung zum Schutz von strombetriebenen Leuchtmitteln, insbesondere von LEDs, zu Signal- oder Beleuchtungszwecken |
DE102006032250B4 (de) * | 2006-07-12 | 2008-08-14 | Vega Grieshaber Kg | Sensoren mit integrierter Solarenergieerzeugung |
US7550943B2 (en) * | 2006-09-19 | 2009-06-23 | Eveready Battery Company, Inc. | Intrinsically safe battery-powered device |
US7651239B2 (en) * | 2006-09-19 | 2010-01-26 | Eveready Battery Co., Inc. | Intrinsically safe flashlight |
US8227692B2 (en) * | 2009-04-13 | 2012-07-24 | Precision Digital Corporation | Explosion-proof enclosure |
US9357749B2 (en) | 2010-01-29 | 2016-06-07 | Gea Houle Inc. | Rotary milking station, kit for assembling the same, and methods of assembling and operating associated thereto |
US9593977B2 (en) * | 2015-01-30 | 2017-03-14 | King Fahd University Of Petroleum And Minerals | Water tank notifier |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7729771U1 (fr) * | 1900-01-01 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | ||
US2214595A (en) * | 1937-09-03 | 1940-09-10 | Westinghouse Electric & Mfg Co | Illuminated dial instrument |
US2919353A (en) * | 1956-02-03 | 1959-12-29 | Hoffman Electronics Corp | Solar powered portable radio receiver or the like |
FR1196303A (fr) * | 1957-05-25 | 1959-11-23 | Indicateur de niveau de carburant | |
DE1466640B2 (de) * | 1965-09-02 | 1970-05-21 | Brown, Boveri & Cie. AG, 68OO Mannheim-Käfertal | Elektrisches Vielfachmeßgerät |
US3433940A (en) * | 1967-06-07 | 1969-03-18 | Stewart Warner Corp | Fiber optics instrument lighting |
IL31332A (en) * | 1968-12-26 | 1969-09-25 | Israel Atomic Energy Comm | Liquid level sending unit |
US3630015A (en) * | 1970-01-20 | 1971-12-28 | Kurt Lehovec | Light transformation device |
US3678750A (en) * | 1970-08-13 | 1972-07-25 | Universal Oil Prod Co | Liquid level indicator system |
US3757511A (en) * | 1971-05-17 | 1973-09-11 | Motorola Inc | Light emitting diode display for electronic timepiece |
FR2192705A5 (fr) * | 1972-07-17 | 1974-02-08 | Meci Materiel Elect Contr | |
DE2354250A1 (de) * | 1973-10-30 | 1975-05-22 | Gerhard Berger Fabrikation Ele | Elektrische messinstrumente, insbesondere weicheisen- strom- oder spannungsmesser, fuer explosionsgefaehrdete betriebsraeume |
US4017725A (en) * | 1975-01-03 | 1977-04-12 | Litton Business Systems, Inc. | Solar powered portable calculator |
DE2514698A1 (de) * | 1975-04-04 | 1976-10-14 | Weigand Messtech | Beleuchtetes zeigermessinstrument |
DE2634062A1 (de) * | 1976-07-29 | 1978-02-02 | Vdo Schindling | Anzeigeinstrument |
-
1978
- 1978-03-20 US US05/888,467 patent/US4164145A/en not_active Expired - Lifetime
-
1979
- 1979-03-09 DE DE19792909389 patent/DE2909389A1/de active Granted
- 1979-03-13 GB GB7908754A patent/GB2017320B/en not_active Expired
- 1979-03-19 SE SE7902409A patent/SE7902409L/xx not_active Application Discontinuation
- 1979-03-19 FR FR7906844A patent/FR2420741B1/fr not_active Expired
- 1979-03-19 NO NO790927A patent/NO148574C/no unknown
Also Published As
Publication number | Publication date |
---|---|
US4164145A (en) | 1979-08-14 |
GB2017320B (en) | 1982-06-03 |
DE2909389A1 (de) | 1979-10-04 |
FR2420741A1 (fr) | 1979-10-19 |
DE2909389C2 (fr) | 1990-11-08 |
FR2420741B1 (fr) | 1985-11-22 |
NO148574B (no) | 1983-07-25 |
NO790927L (no) | 1979-09-21 |
GB2017320A (en) | 1979-10-03 |
SE7902409L (sv) | 1979-09-21 |
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