OVERVOLTAGE PROTECTION IN TELEPHONE/DATA LINES, SUITABLE FOR INSTALLATIONS WITH LOW-QUALITY EARTH CONNECTIONS - Patent 1709786

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EP 1 709 786 A1

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(43)	Date of publication:
	11.10.2006 Bulletin 2006/41

(21)	Application number: 05702013.3

(22)	Date of filing: 25.01.2005

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International Patent Classification (IPC):

H04M 3/18^(2006.01)

(86)	International application number:
	PCT/GB2005/000252

(87)	International publication number:
	WO 2005/074241 (11.08.2005 Gazette 2005/32)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

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Priority:

29.01.2004 AR 04100275

(71)	Applicant: Tyco Electronics Argentina Sa
	Provincia de Buenos Aires (AR)

(72)	Inventor:
	GUTNISKY, Walter, Gustavo Buenos Aires (AR)

(74)	Representative: Jay, Anthony William et al
	Tyco Electronics UK Limited European Patent Department Faraday Road Dorcan Swindon, Wiltshire SN3 5HH Swindon, Wiltshire SN3 5HH (GB)

(54)	OVERVOLTAGE PROTECTION IN TELEPHONE/DATA LINES, SUITABLE FOR INSTALLATIONS WITH LOW-QUALITY EARTH CONNECTIONS