IT1215461B - CONTROL DEVICE TO DETECT THE PRESENCE OF A CONDUCTIVE LIQUID OR INDUCTIVE FIELD - Google Patents

CONTROL DEVICE TO DETECT THE PRESENCE OF A CONDUCTIVE LIQUID OR INDUCTIVE FIELD

Info

Publication number: IT1215461B
Authority: IT; Italy
Prior art keywords: detect; control device; conductive liquid; inductive field; inductive
Prior art date: 1986-05-07

Application number

IT8720416A

Other languages

Italian (it)

Other versions

IT8720416A0 (en

Inventor

David Robert Woodward

Robin Corrick

Original Assignee

Duracell Int

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.)

1986-05-07

Filing date

1987-05-07

Publication date

1990-02-14

1987-05-07 Application filed by Duracell Int filed Critical Duracell Int

1987-05-07 Publication of IT8720416A0 publication Critical patent/IT8720416A0/en

1990-02-14 Application granted granted Critical

1990-02-14 Publication of IT1215461B publication Critical patent/IT1215461B/en

Classifications

- 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
- G01R27/22—Measuring resistance of fluids
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/045—Circuits

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Chemical & Material Sciences (AREA)
Biochemistry (AREA)
Immunology (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Analytical Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
General Health & Medical Sciences (AREA)
Electrochemistry (AREA)
Pathology (AREA)
Audible And Visible Signals (AREA)
Amplifiers (AREA)
Domestic Plumbing Installations (AREA)
Electronic Switches (AREA)
Exhaust-Gas Circulating Devices (AREA)
Massaging Devices (AREA)
Buildings Adapted To Withstand Abnormal External Influences (AREA)

IT8720416A 1986-05-07 1987-05-07 CONTROL DEVICE TO DETECT THE PRESENCE OF A CONDUCTIVE LIQUID OR INDUCTIVE FIELD IT1215461B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB08611087A GB2190254A (en)	1986-05-07	1986-05-07	Condition responsive switching circuit

Publications (2)

Publication Number	Publication Date
IT8720416A0 IT8720416A0 (en)	1987-05-07
IT1215461B true IT1215461B (en)	1990-02-14

Family

ID=10597431

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT8720416A IT1215461B (en)	1986-05-07	1987-05-07	CONTROL DEVICE TO DETECT THE PRESENCE OF A CONDUCTIVE LIQUID OR INDUCTIVE FIELD

Country Status (8)

Country	Link
DE (1)	DE3715099A1 (en)
DK (1)	DK232887A (en)
FI (1)	FI872011A7 (en)
FR (1)	FR2599141B3 (en)
GB (1)	GB2190254A (en)
IT (1)	IT1215461B (en)
NO (1)	NO871878L (en)
SE (1)	SE8701875L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA2029235C (en) *	1990-11-02	2002-01-22	John Errington Brain	Water-activated survival lamp unit and an improved water sensing switch therefor
US20070153507A1 (en) *	2006-01-04	2007-07-05	The Coleman Company, Inc.	Personal floatation device with water activated light
DE102007052177A1 (en) *	2007-10-30	2009-05-07	Novega Produktionssysteme Gmbh	Ortungsbake
DE102014118201B3 (en) *	2014-12-09	2016-03-03	Erhard Pfeil	Life jacket for animals, in particular for dogs

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1321863A (en) *	1970-02-27	1973-07-04	Int Computers Ltd	Touch-operated switching devices
GB1314255A (en) *	1970-10-12	1973-04-18	Matsushita Electric Industrial Co Ltd	High frequency heating device
US3715540A (en) *	1971-11-16	1973-02-06	Magic Dot Inc	Touch sensitive electronic switch
GB1418011A (en) *	1972-06-02	1975-12-17	Kidde & Co Walter	Water-actuated electrical actuator
IL42906A (en) *	1972-08-28	1976-08-31	Magic Dot Inc	Touch actuated electronic switch
GB1371251A (en) *	1973-03-26	1974-10-23	Novelty Patent Ltd	Lock
NL7411716A (en) *	1973-09-08	1975-03-11	Philips Nv	TOUCH SWITCH.
JPS53876A (en) *	1976-06-24	1978-01-07	Sharp Kk	Touch switch
GB1499044A (en) *	1976-08-31	1978-01-25	Engine Applic Ltd	Electrical generators
GB2060370A (en) *	1979-08-14	1981-05-07	Beachamp S	Rods and walking sticks
GB2113025B (en) *	1981-05-15	1986-01-15	Michael Shmuel Howard	Thyristor switching circuits

1986
- 1986-05-07 GB GB08611087A patent/GB2190254A/en not_active Withdrawn
1987
- 1987-05-06 NO NO871878A patent/NO871878L/en unknown
- 1987-05-06 SE SE8701875A patent/SE8701875L/en not_active Application Discontinuation
- 1987-05-06 DK DK232887A patent/DK232887A/en not_active Application Discontinuation
- 1987-05-06 FI FI872011A patent/FI872011A7/en not_active IP Right Cessation
- 1987-05-06 DE DE19873715099 patent/DE3715099A1/en not_active Withdrawn
- 1987-05-06 FR FR878706383A patent/FR2599141B3/en not_active Expired
- 1987-05-07 IT IT8720416A patent/IT1215461B/en active

Also Published As

Publication number	Publication date
FR2599141B3 (en)	1989-06-23
DE3715099A1 (en)	1987-11-12
GB8611087D0 (en)	1986-06-11
FR2599141A1 (en)	1987-11-27
GB2190254A (en)	1987-11-11
DK232887A (en)	1987-11-08
SE8701875L (en)	1987-11-08
FI872011L (en)	1987-11-08
NO871878L (en)	1987-11-09
SE8701875D0 (en)	1987-05-06
DK232887D0 (en)	1987-05-06
IT8720416A0 (en)	1987-05-07
FI872011A0 (en)	1987-05-06
NO871878D0 (en)	1987-05-06
FI872011A7 (en)	1987-11-08

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