OA06376A - Warning device, method of manufacture and apparatus for detection. - Google Patents

Warning device, method of manufacture and apparatus for detection.

Info

Publication number
OA06376A
OA06376A OA56937A OA56937A OA06376A OA 06376 A OA06376 A OA 06376A OA 56937 A OA56937 A OA 56937A OA 56937 A OA56937 A OA 56937A OA 06376 A OA06376 A OA 06376A
Authority
OA
OAPI
Prior art keywords
manufacture
detection
warning device
warning
Prior art date
Application number
OA56937A
Other languages
French (fr)
Original Assignee
Semplanor Sa
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
Application filed by Semplanor Sa filed Critical Semplanor Sa
Publication of OA06376A publication Critical patent/OA06376A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V15/00—Tags attached to, or associated with, an object, in order to enable detection of the object

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
OA56937A 1978-11-09 1979-11-08 Warning device, method of manufacture and apparatus for detection. OA06376A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7832191A FR2441183A1 (en) 1978-11-09 1978-11-09 SIGNALING GRID OF UNDERGROUND DEVICES

Publications (1)

Publication Number Publication Date
OA06376A true OA06376A (en) 1981-07-31

Family

ID=9214881

Family Applications (1)

Application Number Title Priority Date Filing Date
OA56937A OA06376A (en) 1978-11-09 1979-11-08 Warning device, method of manufacture and apparatus for detection.

Country Status (8)

Country Link
EP (1) EP0011536A3 (en)
JP (1) JPS55109978A (en)
AU (1) AU5244679A (en)
BE (1) BE879565A (en)
ES (1) ES485813A0 (en)
FR (1) FR2441183A1 (en)
IT (1) IT1193852B (en)
OA (1) OA06376A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3221301A1 (en) * 1982-06-05 1983-12-08 Seba-Dynatronic Mess- und Ortungstechnik gmbH, 8601 Baunach METHOD FOR LOCATING UNDERGROUND, FERROMAGNETIC BODY
FR2531234B1 (en) * 1982-08-02 1985-08-23 Nobel Plastiques WARNING GRID
FR2538879B1 (en) * 1983-01-04 1987-04-10 Nobel Plastiques DETECTABLE MESH FOR PROTECTION OF UNDERGROUND STRUCTURES AND MANUFACTURING METHOD THEREOF
JPS6082881A (en) * 1983-10-13 1985-05-11 Taisei Corp Location of synthetic resin underground piping
US5006806A (en) * 1989-03-15 1991-04-09 Schonstedt Instrument Company Methods and apparatus employing permanent magnets for marking, locating, tracing and identifying hidden objects such as burried fiber optic cables
US5200704A (en) * 1991-02-28 1993-04-06 Westinghouse Electric Corp. System and method including a buried flexible sheet target impregnated with ferromagnetic particles and eddy current probe for determining proximity of a non-conductive underground structure
GB2378250A (en) * 2001-07-31 2003-02-05 Terram Ltd Detecting buried geotextile
DE102008007705A1 (en) * 2008-02-04 2009-09-03 Gbm Wiebe Gleisbaumaschinen Gmbh Apparatus and method for interfacial detection in soil layers

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE479041C (en) * 1927-04-23 1929-07-06 Hartmann & Braun Akt Ges Display device with light chambers for gradual display and for comparing several sizes
US2527681A (en) * 1947-05-01 1950-10-31 Charles T Wolfe Marking device
DE1473754A1 (en) * 1965-03-26 1969-09-18 Foerster Dr Phil Friedrich Procedure for the rescue of buried creatures
FR2126607A5 (en) * 1971-02-12 1972-10-06 Griffolyn Cy Inc Underground plastics/metal marker - for gas and water mains ,sewers, electric service lines and telephone cables
FR2078861A5 (en) * 1971-02-19 1971-11-05 Greenberg Irving
FR2153826A7 (en) * 1971-09-22 1973-05-04 Plymouth Francaise Sa
FR2344209A7 (en) * 1976-03-09 1977-10-07 Terracol Antoine Test instrument for telephone switching relays - has micro-relay actuated by magnetic field of relay coil under test
FR2384427A7 (en) * 1977-03-16 1978-10-13 Plymouth Francaise Sa MESH FOR THE MARKING OF UNDERGROUND PIPES
DE2719706C2 (en) * 1977-05-03 1983-06-23 Brown, Boveri & Cie Ag, 6800 Mannheim Device for displaying the operating status and power consumption of an electrical consumer

Also Published As

Publication number Publication date
AU5244679A (en) 1980-05-22
IT7927071A0 (en) 1979-11-06
FR2441183A1 (en) 1980-06-06
JPS55109978A (en) 1980-08-23
ES8100494A1 (en) 1980-11-01
ES485813A0 (en) 1980-11-01
EP0011536A2 (en) 1980-05-28
BE879565A (en) 1980-02-15
EP0011536A3 (en) 1980-10-15
IT1193852B (en) 1988-08-31

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