POLARIZING BEAM SPLITTER AND MAGNETO-OPTIC READING DEVICE USING THE SAME - Patent 0663078

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EP 0 663 078 A1

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(43)	Date of publication:
	19.07.1995 Bulletin 1995/29

(21)	Application number: 94917766.0

(22)	Date of filing: 23.06.1994

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International Patent Classification (IPC):

G02B 5/ 30^{( . )}
G11B 7/ 135^{( . )}
G11B 11/ 105^{( . )}

G02B 27/ 28^{( . )}
G11B 11/ 10^{( . )}

(86)	International application number:
	PCT/IB1994/000170

(87)	International publication number:
	WO 1995/000873 (05.01.1995 Gazette 1995/02)

(84)	Designated Contracting States:
	AT BE DE FR GB IT

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Priority:

25.06.1993 BE 19930000661
13.06.1994 EP 19940201684

(71)	Applicant: Philips Electronics N.V.
	NL-5621 BA Eindhoven (NL)

(72)	Inventors:
	VAN DER WAL, Johannes NL-5672 AC Nuenen (NL) OPHEY, Willem, Gerard NL-5641 PS Eindhoven (NL)

(74)	Representative: Visser, Derk, et al
	INTERNATIONAAL OCTROOIBUREAU B.V., Prof. Holstlaan 6 5656 AA Eindhoven 5656 AA Eindhoven (NL)

(54)	POLARIZING BEAM SPLITTER AND MAGNETO-OPTIC READING DEVICE USING THE SAME