VOLTAGE CLAMP TO ALLOW LOW-TEMPERATURE RECHARGING OF NICKEL-CADMIUM BATTERIES IN EMERGENCY LIGHTING FIXTURES AND METHOD OF USING - Patent 2082477

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EP 2 082 477 A2

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(88)	Date of publication A3:
	31.07.2008

(43)	Date of publication:
	29.07.2009 Bulletin 2009/31

(21)	Application number: 07854621.5

(22)	Date of filing: 13.11.2007

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International Patent Classification (IPC):

H03D 13/00^(2006.01)

(86)	International application number:
	PCT/US2007/084553

(87)	International publication number:
	WO 2008/064008 (29.05.2008 Gazette 2008/22)

(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 LV MC MT NL PL PT RO SE SI SK TR

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Priority:

13.11.2006 US 558955

(71)	Applicant: Crenshaw, David B.
	Collierville, TN 38027-0460 (US)

(72)	Inventor:
	Crenshaw, David B. Collierville, TN 38027-0460 (US)

(74)	Representative: Harrison Goddard Foote
	Belgrave Hall Belgrave Street Leeds LS2 8DD Leeds LS2 8DD (GB)

(54)	VOLTAGE CLAMP TO ALLOW LOW-TEMPERATURE RECHARGING OF NICKEL-CADMIUM BATTERIES IN EMERGENCY LIGHTING FIXTURES AND METHOD OF USING