APPARATUS AND METHOD FOR CONTROLLING ACCESS TO BROADCAST SIGNALS - Patent 0515448

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EP 0 515 448 A1

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(43)	Date of publication:
	02.12.1992 Bulletin 1992/49

(21)	Application number: 91903871.0

(22)	Date of filing: 14.02.1991

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International Patent Classification (IPC):

H04H 60/ 23^{( . )}
H04H 60/ 94^{( . )}

H04N 7/ 167^{( . )}

(86)	International application number:
	PCT/GB1991/000228

(87)	International publication number:
	WO 1991/012693 (22.08.1991 Gazette 1991/19)

(84)	Designated Contracting States:
	AT BE CH DE DK ES FR GB GR IT LI LU NL SE

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Priority:

14.02.1990 GB 19900003325

(71)	Applicant: ENFRANCHISE SIXTY LIMITED
	Cambridge CB4 4WS (GB)

(72)	Inventor:
	HAWTHORNE, William McMullan Surlingham, Norwich, Norfolk NR14 7DE (GB)

(74)	Representative: Gillam, Francis Cyril, et al
	SANDERSON & CO. European Patent Attorneys 34, East Stockwell Street Colchester Essex CO1 1ST Colchester Essex CO1 1ST (GB)

(54)	APPARATUS AND METHOD FOR CONTROLLING ACCESS TO BROADCAST SIGNALS