FI842636A0 - Foerfarande och anordning foer registrering av foeraendringar hos variabler. - Google Patents

Foerfarande och anordning foer registrering av foeraendringar hos variabler.

Info

Publication number
FI842636A0
FI842636A0 FI842636A FI842636A FI842636A0 FI 842636 A0 FI842636 A0 FI 842636A0 FI 842636 A FI842636 A FI 842636A FI 842636 A FI842636 A FI 842636A FI 842636 A0 FI842636 A0 FI 842636A0
Authority
FI
Finland
Prior art keywords
registrering
foeraendringar
variabler
hos
anordning foer
Prior art date
Application number
FI842636A
Other languages
English (en)
Other versions
FI81681B (fi
FI842636A (fi
FI81681C (fi
Inventor
Michael Masia
James Patrick Reed
Peter Leonard Brooks
Thomas Winton Tolles
Larry Russell Reeder
Original Assignee
Raychem Corp
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27504485&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI842636(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Raychem Corp filed Critical Raychem Corp
Publication of FI842636A0 publication Critical patent/FI842636A0/fi
Publication of FI842636A publication Critical patent/FI842636A/fi
Publication of FI81681B publication Critical patent/FI81681B/fi
Application granted granted Critical
Publication of FI81681C publication Critical patent/FI81681C/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
    • G01M3/045—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • G01M3/165—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means by means of cables or similar elongated devices, e.g. tapes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/018—Sensor coding by detecting magnitude of an electrical parameter, e.g. resistance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Locating Faults (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Examining Or Testing Airtightness (AREA)
FI842636A 1983-06-30 1984-06-29 Foerfarande och anordning foer att oevervaka intraeffande av en haendelse. FI81681C (fi)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US50989783A 1983-06-30 1983-06-30
US50989783 1983-06-30
US59904784A 1984-04-11 1984-04-11
US59904784 1984-04-11
US60348584A 1984-04-24 1984-04-24
US60348584 1984-04-24
US61810984A 1984-06-07 1984-06-07
US61810984 1984-06-07

Publications (4)

Publication Number Publication Date
FI842636A0 true FI842636A0 (fi) 1984-06-29
FI842636A FI842636A (fi) 1984-12-31
FI81681B FI81681B (fi) 1990-07-31
FI81681C FI81681C (fi) 1990-11-12

Family

ID=27504485

Family Applications (1)

Application Number Title Priority Date Filing Date
FI842636A FI81681C (fi) 1983-06-30 1984-06-29 Foerfarande och anordning foer att oevervaka intraeffande av en haendelse.

Country Status (12)

Country Link
EP (1) EP0133748B1 (fi)
DE (1) DE3485767T2 (fi)
DK (1) DK322384A (fi)
ES (1) ES8704019A1 (fi)
FI (1) FI81681C (fi)
GB (1) GB2143979B (fi)
HK (1) HK94191A (fi)
IL (1) IL72246A (fi)
IN (2) IN165616B (fi)
MX (1) MX160660A (fi)
NO (1) NO842648L (fi)
NZ (1) NZ208683A (fi)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0250776B1 (en) 1983-06-30 1992-06-10 RAYCHEM CORPORATION (a Delaware corporation) Method for detecting and obtaining information about changes in variables
GB8524237D0 (en) * 1985-10-02 1985-11-06 Raychem Gmbh Pressure sensor
DK87287A (da) 1986-02-20 1987-08-21 Raychem Corp Fremgangsmaade og apparat for anvendelse af ionbyttemateriale
US4888098A (en) * 1986-02-20 1989-12-19 Raychem Corporation Method and articles employing ion exchange material
US4843327A (en) * 1987-06-03 1989-06-27 Raychem Corporation Branched sensor system
US4931741A (en) * 1987-06-03 1990-06-05 Raychem Corporation Branched sensor system
US4922183A (en) * 1988-06-03 1990-05-01 Raychem Corporation Methods, systems and apparatus for detecting changes in variables
GB2220494B (en) * 1988-07-09 1992-04-15 Gore & Ass A system for the detection and location of leaks
JPH0230038U (fi) * 1988-08-18 1990-02-26
US4926129A (en) * 1988-10-12 1990-05-15 Raychem Corporation Sensor assembly for detecting multiple events and distinguishing between them
CH680958A5 (fi) * 1989-11-08 1992-12-15 Domotec Ag
GB9102385D0 (en) * 1991-02-04 1991-03-20 Raychem Ltd Temperature sensor
GB2276766A (en) * 1993-04-01 1994-10-05 John Cross Mcnab Heat and compression detection cable
FR2709347B1 (fr) * 1993-08-27 1995-10-13 Ttk Installation de détection et de localisation de fuites de liquide.
DE102012103123B4 (de) * 2012-04-12 2014-08-21 Cummins Ltd. Abgasnachbehandlungseinrichtung und Verfahren zum Betrieb einer solchen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT58704B (de) * 1910-11-18 1913-04-25 Julius Heinrich Joh Stephenson Schaltungsanordnung zur Fehlerortbestimmung an Kabeln und Leitungen.
US2581213A (en) * 1949-12-15 1952-01-01 Gen Electric Temperature responsive signaling and locating system
US3800216A (en) * 1971-08-11 1974-03-26 Dynatel Corp Cable fault locator apparatus and method with reference voltage comparison
CH547531A (de) * 1972-07-17 1974-03-29 Cerberus Ag Feuermeldeanlage.
US3991413A (en) * 1975-06-23 1976-11-09 Berger Philip H Constant current detector system
NO803157L (no) * 1979-10-26 1981-04-27 Raychem Corp Feildetekterende foeler.
AT370229B (de) * 1981-07-16 1983-03-10 Egger K Kunststoffwerk Schaltungsanordnung zur bestimmung von leckstellen in isolierten rohrleitungen
US4453159A (en) * 1981-09-28 1984-06-05 Thermon Manufacturing Company Self-monitoring heat tracing system

Also Published As

Publication number Publication date
HK94191A (en) 1991-11-29
DK322384A (da) 1984-12-31
IL72246A0 (en) 1984-10-31
ES8704019A1 (es) 1987-03-01
EP0133748B1 (en) 1989-03-15
NO842648L (no) 1985-01-02
EP0133748A1 (en) 1985-03-06
DK322384D0 (da) 1984-06-29
IN165617B (fi) 1989-11-25
GB8416672D0 (en) 1984-08-01
NZ208683A (en) 1988-04-29
IN165616B (fi) 1989-11-25
GB2143979B (en) 1987-10-21
IL72246A (en) 1989-09-28
FI81681B (fi) 1990-07-31
FI842636A (fi) 1984-12-31
FI81681C (fi) 1990-11-12
MX160660A (es) 1990-04-05
DE3485767D1 (de) 1992-07-16
ES533872A0 (es) 1987-03-01
DE3485767T2 (de) 1993-02-04
GB2143979A (en) 1985-02-20

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: RAYCHEM CORP.