IT8320773A0 - Dispositivo rilevatore di livello sensibile al carico. - Google Patents

Dispositivo rilevatore di livello sensibile al carico.

Info

Publication number: IT8320773A0
Authority: IT; Italy
Prior art keywords: level detector; load sensitive; sensitive level; load; detector
Prior art date: 1982-04-23

Application number

IT8320773A

Other languages

English (en)

Other versions

IT1161179B (it

Inventor

Michihiro Murata Akira Kumada

Original Assignee

Murata Manufacturing Co

Priority date (The priority date 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 date listed.)

1982-04-23

Filing date

1983-04-22

Publication date

1983-04-22

1982-04-23 Priority claimed from JP6938882A external-priority patent/JPS58186015A/ja

1982-05-21 Priority claimed from JP8692382A external-priority patent/JPS58202832A/ja

1983-04-22 Application filed by Murata Manufacturing Co filed Critical Murata Manufacturing Co

1983-04-22 Publication of IT8320773A0 publication Critical patent/IT8320773A0/it

1987-03-11 Application granted granted Critical

1987-03-11 Publication of IT1161179B publication Critical patent/IT1161179B/it

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
- 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
- G01F23/296—Acoustic waves
- G01F23/2966—Acoustic waves making use of acoustical resonance or standing waves
- G01F23/2967—Acoustic waves making use of acoustical resonance or standing waves for discrete levels

Landscapes

Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
General Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Electromagnetism (AREA)
Thermal Sciences (AREA)
Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

IT20773/83A 1982-04-23 1983-04-22 Dispositivo rilevatore di livello sensibile al carico IT1161179B (it)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP6938882A JPS58186015A (ja)	1982-04-23	1982-04-23	荷重検出装置
JP8692382A JPS58202832A (ja)	1982-05-21	1982-05-21	荷重検出装置

Publications (2)

Publication Number	Publication Date
IT8320773A0 true IT8320773A0 (it)	1983-04-22
IT1161179B IT1161179B (it)	1987-03-11

Family

ID=26410594

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT20773/83A IT1161179B (it)	1982-04-23	1983-04-22	Dispositivo rilevatore di livello sensibile al carico

Country Status (4)

Country	Link
US (1)	US4570482A (it)
DE (1)	DE3314224A1 (it)
GB (1)	GB2119090B (it)
IT (1)	IT1161179B (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4644789A (en) *	1985-12-20	1987-02-24	Clevite Industries Inc.	Liquid level indicator system
US5035140A (en) *	1988-11-03	1991-07-30	The Boeing Company	Self cleaning liquid level detector
DE4035743A1 (de) *	1989-11-10	1991-05-29	Asahi Optical Co Ltd	Tonermangeldetektoreinrichtung
DE4008135A1 (de) *	1990-03-14	1991-09-19	Endress Hauser Gmbh Co	Vorrichtung zur feststellung und/oder ueberwachung eines vorbestimmten fuellstands in einem behaelter
DE4100338A1 (de) *	1991-01-08	1992-07-09	Nied Roland	Verfahren zum ermitteln des grades der befuellung eines behaelters
US5495315A (en) *	1991-03-27	1996-02-27	Xerox Corporation	Level sensing apparatus
EP0745833A3 (en) *	1991-07-25	1998-09-23	The Whitaker Corporation	Liquid level sensor
US5862431A (en) *	1997-04-25	1999-01-19	Hewlett-Packard Company	Toner powder level sensing using element and pulse signal and toner powder presence sensing using piezoelectric film
DE19820419A1 (de) *	1998-05-07	1999-11-18	Fraunhofer Ges Forschung	Ultraschallwandler
US6799820B1 (en)	1999-05-20	2004-10-05	Seiko Epson Corporation	Liquid container having a liquid detecting device
US7137679B2 (en) *	2000-05-18	2006-11-21	Seiko Epson Corporation	Ink consumption detecting method, and ink jet recording apparatus
MY127696A (en)	2000-05-18	2006-12-29	Seiko Epson Corp	Method and apparatus for detecting consumption of ink
ATE424302T1 (de) *	2000-05-18	2009-03-15	Seiko Epson Corp	Verfahren zur detektion des tintenverbrauchs und tintenstrahlaufzeichnungsvorrichtung
US7225670B2 (en) *	2000-05-18	2007-06-05	Seiko Epson Corporation	Mounting structure, module, and liquid container
DE60118656T2 (de) *	2000-06-15	2007-04-26	Seiko Epson Corp.	Verfahren zur Flüssigkeitszufuhr, Flüssigkeitsbehälter und Verfahren zu seiner Herstellung
WO2002004215A1 (fr) *	2000-07-07	2002-01-17	Seiko Epson Corporation	Recipient de liquide, appareil d'impression a jet d'encre, dispositif et procede de commande de cet appareil, dispositif et procede detection de consommation de liquide
EP1176403A3 (en) *	2000-07-28	2003-03-19	Seiko Epson Corporation	Detector of liquid consumption condition
DE102008039549A1 (de) *	2008-08-25	2010-03-04	OCé PRINTING SYSTEMS GMBH	Sensoranordnung zur Überwachung des Füllstandes eines ein Füllgut aufweisenden Behälters mit Hilfe eines Schwingkörpers

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE582760C (de) *	1928-10-28	1933-08-22	Neufeldt & Kuhnke G M B H	Vorrichtung zum Anzeigen der Schichthoehe in geschlossenen Behaeltern (Bunkern) mit fluessigem, staubfoermigem oder feinkoernigem Gut, bestehend aus einem schwin-genden Gebilde, dessen Schwingung bei einer bestimmten Schichthoehe gedaempft wird
US2376304A (en) *	1943-08-07	1945-05-15	Gen Mills Inc	Bin level control
DE958776C (de) *	1951-06-16	1957-02-21	Electroacustic Ges M B H	Fuellhoehenbestimmung in Bunkern
US3005135A (en) *	1958-06-04	1961-10-17	Borg Warner	Servomotor control systems employing transducers
GB988576A (en) *	1960-07-25	1965-04-07	Ici Australia Ltd	Apparatus for detecting or controlling the level of material in a container
US3150654A (en) *	1963-07-11	1964-09-29	Ford Motor Co	Combustion chamber
GB1142314A (en) *	1966-02-24	1969-02-05	Bissett Berman Corp	Vibratory wire pressure transducer
FR1514156A (fr) *	1966-11-08	1968-02-23	Realisations Ultrasoniques Sa	Appareil de mesure de niveaux par réflexion d'impulsions ultrasonores
GB1288378A (it) *	1968-11-18	1972-09-06
GB1512233A (en) *	1974-03-20	1978-05-24	Matsushita Electric Ind Co Ltd	Piezoelectric presence sensitive apparatus
DE2529239A1 (de) *	1975-07-01	1977-02-03	Fraunhofer Ges Forschung	Fuellstandsgrenzwertanzeiger
JPS5212860A (en) *	1975-07-21	1977-01-31	Sanko Kuki Sochi Kk	Level detector
US4074565A (en) *	1977-02-17	1978-02-21	The Slope Indicator Company	Vibratory-wire strain gage
JPS58606B2 (ja) *	1977-08-31	1983-01-07	株式会社日立製作所	音片式レベル検出装置
JPS5439158A (en) *	1977-09-02	1979-03-26	Hitachi Ltd	Level detector of tuning fork type
JPS5536874A (en) *	1978-09-08	1980-03-14	Konishiroku Photo Ind Co Ltd	Detection method for toner remainder
GB2054853B (en) *	1979-07-12	1983-06-29	Bestobell Mobrey Ltd	Device for sensing the presence of contents at a certain level in a container

1983
- 1983-04-19 US US06/486,371 patent/US4570482A/en not_active Expired - Lifetime
- 1983-04-20 DE DE3314224A patent/DE3314224A1/de not_active Ceased
- 1983-04-21 GB GB08310779A patent/GB2119090B/en not_active Expired
- 1983-04-22 IT IT20773/83A patent/IT1161179B/it active

Also Published As

Publication number	Publication date
US4570482A (en)	1986-02-18
GB2119090B (en)	1986-04-23
GB2119090A (en)	1983-11-09
DE3314224A1 (de)	1983-12-22
GB8310779D0 (en)	1983-05-25
IT1161179B (it)	1987-03-11

Publication	Publication Date	Title
DE3382131D1 (de)	1991-02-28	Detektieren der kanten von gegenstaenden.
FI885343L (fi)	1989-05-18	Fluidnivaodetektor.
DE3483674D1 (de)	1991-01-10	Elektrochemischer detektor.
DE3774633D1 (de)	1992-01-02	Teilchendetektor.
DE3177237D1 (de)	1991-02-07	Statische halbleiterspeicheranlage.
ES279046Y (es)	1986-06-16	Soporte de carga.
BE893597A (fr)	1982-10-18	Porte-charge
DE3584477D1 (de)	1991-11-28	Halbleiterstrahlungsdetektor.
IT8320773A0 (it)	1983-04-22	Dispositivo rilevatore di livello sensibile al carico.
NO157753C (no)	1988-05-11	Kapasitiv nivaamaaler.
DE3774645D1 (de)	1992-01-02	Gewichtsdetektoranordnung.
DK156492C (da)	1990-01-29	Flerfunktionslaas
IT8224894A0 (it)	1982-12-21	Controllo. impianto di misurazione e
AT387106B (de)	1988-12-12	Strahlungsempfindliche halbleiteranordnung
BR8207277A (pt)	1983-10-18	Acoplamento de sobrecarga
IT8224959A0 (it)	1982-12-23	Disposizione di protezione di carico.
BE896194A (fr)	1983-07-18	Dispositif de retenue de chargement
DE3587185D1 (de)	1993-04-22	Annaeherungsdetektor.
IT8321298A0 (it)	1983-05-25	Montacarichi.
IT8523318A0 (it)	1985-12-20	Circuito rivelatore di inquadramento pseudo-casuale.
DK43983A (da)	1984-08-04	Niveaudetektor
NL188543C (nl)	1992-07-16	Vlamionisatiedetector.
DE3577790D1 (de)	1990-06-21	Detektor.
DE3580501D1 (de)	1990-12-20	Spannungspegel-detektorschaltung.
IT1170832B (it)	1987-06-03	Dispositivo rivelatore di inclinazione

Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19970429