TRANSMISSION VIA A COMMON COMMUNICATION LINK OF BOTH A DOWNCONVERTED MODULATED RADIO FREQUENCY SIGNAL AND A PILOT SIGNAL USED FOR CONVERSION - Patent 0671072

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EP 0 671 072 A1

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(43)	Date of publication:
	13.09.1995 Bulletin 1995/37

(21)	Application number: 93919491.0

(22)	Date of filing: 02.09.1993

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International Patent Classification (IPC):

H03D 3/ 24^{( . )}

H04B 7/ 26^{( . )}

(86)	International application number:
	PCT/GB1993/001855

(87)	International publication number:
	WO 1994/006205 (17.03.1994 Gazette 1994/07)

(84)	Designated Contracting States:
	DE FR GB IT NL

(71)	Applicant: BRITISH TELECOMMUNICATIONS public limited company
	London EC1A 7AJ (GB)

(72)	Inventor:
	SUMNER, David, John 20 Woodlands Way West Sussex RH13 7HZ (GB)

(74)	Representative: Buttrick, Richard, et al
	British Telecommunications plc Intellectual Property Department 13th FLoor 151 Gower Street London WC1E 6BA London WC1E 6BA (GB)

(54)	TRANSMISSION VIA A COMMON COMMUNICATION LINK OF BOTH A DOWNCONVERTED MODULATED RADIO FREQUENCY SIGNAL AND A PILOT SIGNAL USED FOR CONVERSION