IMPROVED OBSTRUCTION DETECTION SYSTEM FOR A VEHICLE WINDOW - Patent 0620891

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EP 0 620 891 A1

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(43)	Date of publication:
	26.10.1994 Bulletin 1994/43

(21)	Application number: 93924901.0

(22)	Date of filing: 28.09.1993

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International Patent Classification (IPC):

E05F 15/ 00^{( . )}

(86)	International application number:
	PCT/US1993/009257

(87)	International publication number:
	WO 1994/008120 (14.04.1994 Gazette 1994/09)

(84)	Designated Contracting States:
	DE ES FR GB IT SE

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Priority:

29.09.1992 US 19920953508

(71)	Applicant: PROSPECTS CORPORATION
	Tyngsboro, MA 01879 (US)

(72)	Inventors:
	LU, Michael, Yuan Nashua, NH 03060 (US) CHUANG, Cliff, L. Lowell, MA 01854 (US)

(74)	Representative: Deans, Michael John Percy
	Lloyd Wise, Tregear & CO. Norman House 105-109 Strand London WC2R OAE London WC2R OAE (GB)

(54)	IMPROVED OBSTRUCTION DETECTION SYSTEM FOR A VEHICLE WINDOW