ACTIVE MATERIAL LOW POWER ELECTRICAL SWITCHING MECHANISM AND DRIVE CIRCUIT THEREFOR - Patent 1171935

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EP 1 171 935 A1

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(43)	Date of publication:
	16.01.2002 Bulletin 2002/03

(21)	Application number: 00927432.5

(22)	Date of filing: 18.04.2000

(51)	International Patent Classification (IPC)⁷: H02H 3/33, H01H 71/12

(86)	International application number:
	PCT/GB0001/508

(87)	International publication number:
	WO 0064/022 (26.10.2000 Gazette 2000/43)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

19.04.1999 GB 9908930

(71)	Applicant: PBT (IP) Limited
	Harlow, Essex CM20 2BN (GB)

(72)	Inventor:
	POWELL, Simon Baldock,Hertfordshire SG7 6TT (GB)

(74)	Representative: Crawford, Andrew Birkby et al
	A.A. Thornton & Co. 235 High Holborn London WC1V 7LE London WC1V 7LE (GB)

(54)	ACTIVE MATERIAL LOW POWER ELECTRICAL SWITCHING MECHANISM AND DRIVE CIRCUIT THEREFOR