IT1227525B - Procedimento e apparecchiatura perfezionati per la trasmissione di misure attraverso un tubo metallico - Google Patents

Procedimento e apparecchiatura perfezionati per la trasmissione di misure attraverso un tubo metallico

Info

Publication number
IT1227525B
IT1227525B IT8822897A IT2289788A IT1227525B IT 1227525 B IT1227525 B IT 1227525B IT 8822897 A IT8822897 A IT 8822897A IT 2289788 A IT2289788 A IT 2289788A IT 1227525 B IT1227525 B IT 1227525B
Authority
IT
Italy
Prior art keywords
perfected
measurements
procedure
transmission
equipment
Prior art date
Application number
IT8822897A
Other languages
English (en)
Other versions
IT8822897A0 (it
Inventor
Vittorio Ponzio
Raffaele Vizzotto
Original Assignee
Sacofgas Spa
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 Sacofgas Spa filed Critical Sacofgas Spa
Priority to IT8822897A priority Critical patent/IT1227525B/it
Publication of IT8822897A0 publication Critical patent/IT8822897A0/it
Priority to EP89122357A priority patent/EP0372461A1/en
Application granted granted Critical
Publication of IT1227525B publication Critical patent/IT1227525B/it

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/04—Arrangements for transmitting signals characterised by the use of a wireless electrical link using magnetically coupled devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H04B5/26—Inductive coupling using coils
    • H04B5/263—Multiple coils at either side
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/77—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Near-Field Transmission Systems (AREA)
IT8822897A 1988-12-06 1988-12-06 Procedimento e apparecchiatura perfezionati per la trasmissione di misure attraverso un tubo metallico IT1227525B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT8822897A IT1227525B (it) 1988-12-06 1988-12-06 Procedimento e apparecchiatura perfezionati per la trasmissione di misure attraverso un tubo metallico
EP89122357A EP0372461A1 (en) 1988-12-06 1989-12-05 Improved process and apparatus for transmitting measurements through a metal pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8822897A IT1227525B (it) 1988-12-06 1988-12-06 Procedimento e apparecchiatura perfezionati per la trasmissione di misure attraverso un tubo metallico

Publications (2)

Publication Number Publication Date
IT8822897A0 IT8822897A0 (it) 1988-12-06
IT1227525B true IT1227525B (it) 1991-04-12

Family

ID=11201665

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8822897A IT1227525B (it) 1988-12-06 1988-12-06 Procedimento e apparecchiatura perfezionati per la trasmissione di misure attraverso un tubo metallico

Country Status (2)

Country Link
EP (1) EP0372461A1 (it)
IT (1) IT1227525B (it)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE562952A (it) * 1957-03-04
US3313160A (en) * 1964-06-29 1967-04-11 David A Goldman Remote meter reading system
DE2829302A1 (de) * 1978-07-04 1980-01-17 Gerhard Krause Anordnung zur uebertragung von signalen innerhalb von gebaeuden
DE3019124A1 (de) * 1980-05-20 1981-11-26 Deutsche Itt Industries Gmbh, 7800 Freiburg Verwendung von in gebaeuden installierten rohrnetzen

Also Published As

Publication number Publication date
EP0372461A1 (en) 1990-06-13
IT8822897A0 (it) 1988-12-06

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971128