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Extract from the Register of European Patents

EP About this file: EP0771494

EP0771494 - GENERALIZED DIRECT UPDATE VITERBI EQUALIZER [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 30.07.2004 Database last updated on 02.11.2024
Most recent event Tooltip	17.02.2006	Lapse of the patent in a contracting state New state(s): FR	published on 05.04.2006 [2006/14]
Applicant(s)	For all designated states Ericsson Inc. 6300 Legacy Drive MS EVW 2-C-2 Plano, TX 75024 / US
	[N/P]
Former [2004/01]	For all designated states Ericsson Inc. 6300 Legacy, MS EVW 2-C-2 Plano, TX 75024 / US
Former [1997/19]	For all designated states ERICSSON INC. 7001 Development Drive, P.O. Box 13969 Research Triangle Park, NC 27709 / US
Inventor(s)	01 / BOTTOMLEY, Gregory, E. 100 Merlot Court Cary, NC 27511 / US
	02 / CHENNAKESHU, Sandeep 311 Glen Abbey Drive Cary N.C. 27511 / US
	03 / DENT, Paul, W. Stehags Prastgard S-240 36 Stehag / SE
	04 / KOILPILLAI, R., David 210-E Hyde Park Court Cary, NC 27513 / US
	[1997/31]
Former [1997/19]	01 / BOTTOMLEY, Gregory, E. 100 Merlot Court Cary, NC 27511 / US
	02 / CHENNAKESHU, Sandeep 1365 Van Antwerp Road, I-89 Schenectady, NY 12309 / US
	03 / DENT, Paul, W. Stehags Prastgard S-240 36 Stehag / SE
	04 / KOILPILLAI, R., David 210-E Hyde Park Court Cary, NC 27513 / US
Representative(s)	Sjöberg, Mats Hakan, et al Ericsson AB Patent Unit Kista RAN Implementation & Core (PU-KRIC) Torshamnsgatan 21-23 164 80 Stockholm / SE
	[N/P]
Former [2004/01]	Sjöberg, Mats Hakan, et al Ericsson AB, Patent Unit Radio Networks 164 80 Stockholm / SE
Former [2001/16]	Wennerholm, Kristian, et al Ericsson Radio Systems AB, Patent Unit Radio Access 164 80 Stockholm / SE
Former [2001/12]	Wennerholm, Kristian, et al Ericsson Radio Systems AB Common Patent Department 164 80 Stockholm / SE
Former [1997/19]	Norin, Klas, et al Telefonaktiebolaget L M Ericsson Patent and Trademark Department 126 25 Stockholm / SE
Application number, filing date	95927165.1	13.07.1995
	[1997/19]
	WO1995US08842
Priority number, date	US19940274727	18.07.1994 Original published format: US 274727
	[1997/19]
Filing language	EN
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	WO9602983
	Date:	01.02.1996
	Language:	EN
	[1996/06]
	Type:	A1 Application with search report
	No.:	EP0771494
	Date:	07.05.1997
	Language:	EN
	The application published by WIPO in one of the EPO official languages on 01.02.1996 takes the place of the publication of the European patent application.
	[1997/19]
	Type:	B1 Patent specification
	No.:	EP0771494
	Date:	24.09.2003
	Language:	EN
	[2003/39]
Search report(s)	International search report - published on:	EP	01.02.1996
Classification	IPC:	H04B7/005, H03M13/00, H03M7/00	[1997/19]
	CPC:	H04B7/005 (EP,US); H04L25/03184 (EP,US); H04L25/03292 (EP,US)
Designated contracting states	CH, DE, FR, GB, LI, SE [1997/19]
Title	German:	VITERBI ENTZERRER MIT UNMITTELBARER DATENAKTUALISIERUNG	[2001/13]
	English:	GENERALIZED DIRECT UPDATE VITERBI EQUALIZER	[1997/19]
	French:	EGALISEUR DE VITERBI A MISE A JOUR DIRECTE ET GENERALISEE	[1997/19]
	Former [1997/19]	VERALLGEMEINERTER UNMITTELBAR MODERNISIERTER VITERBI ENTZERRER
Entry into regional phase	17.12.1996	National basic fee paid
	17.12.1996	Designation fee(s) paid
	17.12.1996	Examination fee paid
Examination procedure	09.02.1996	Request for preliminary examination filed International Preliminary Examining Authority: US
	18.12.1996	Examination requested [1997/19]
	22.02.2001	Despatch of a communication from the examining division (Time limit: M04)
	10.08.2001	Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time
	28.08.2001	Reply to a communication from the examining division
	20.12.2002	Communication of intention to grant the patent
	06.03.2003	Fee for grant paid
	06.03.2003	Fee for publishing/printing paid
Opposition(s)	25.06.2004	No opposition filed within time limit [2004/38]
Request for further processing for:	28.08.2001	Request for further processing filed
	17.08.2001	Full payment received (date of receipt of payment) Request granted
	11.09.2001	Decision despatched
Fees paid	Renewal fee
	10.06.1997	Renewal fee patent year 03
	29.06.1998	Renewal fee patent year 04
	23.06.1999	Renewal fee patent year 05
	03.07.2000	Renewal fee patent year 06
	25.07.2001	Renewal fee patent year 07
	22.07.2002	Renewal fee patent year 08
	23.07.2003	Renewal fee patent year 09
Opt-out from the exclusive Tooltip competence of the Unified Patent Court	See the Register of the Unified Patent Court for opt-out data
	Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition Tooltip	CH	24.09.2003
	FR	24.09.2003
	LI	24.09.2003
	SE	24.12.2003
	DE	25.12.2003
	[2006/14]
Former [2004/44]	CH	24.09.2003
	LI	24.09.2003
	SE	24.12.2003
	DE	25.12.2003
Former [2004/33]	CH	24.09.2003
	LI	24.09.2003
	SE	24.12.2003
Former [2004/16]	SE	24.12.2003
Cited in	International search	[A]DE3730394 (LICENTIA GMBH [DE]) [A] 1,12,18;
		[A]US5031193 (ATKINSON FREDERICK G [US], et al) [A] 1,12,18;
		[A]US5099499 (HAMMAR CLAES L [SE]) [A] 12,18;
		[A]WO9208298 (BRITISH TELECOMM [GB]) [A] 1,12,18;
		[A]US5182749 (KAZECKI HENRY L [US], et al) [A] 1,12,18;
		[A]US5191598 (BAECKSTROEM TOMAS O [US], et al) [A] 1,12,18;
		[A]EP0545159 (AEG MOBILE COMMUNICATION [DE]) [A] 12,18;
		[PA]US5331666 (DENT PAUL W [SE]) [PA] 1,12,18;
		[PA]US5335250 (DENT PAUL W [US], et al) [PA] 1,12,18;
		[PA]DE4310031 (GRUNDIG EMV [DE]) [PA] 1,14,18;
		[A] - C.M. RADER, "Memory Management In A Viterbi Decoder", IEEE TRANSACTIONS ON COMMUNICATIONS, (198109), vol. COM-29, no. 9, doi:doi:10.1109/TCOM.1981.1095146, pages 1399 - 1401, XP000877057 [A] 1,12,18 DOI: http://dx.doi.org/10.1109/TCOM.1981.1095146
		[A] - A.P. CLARK et al., "Adaptive Channel Estimator For An HF Radio Link", IEEE TRANSACTIONS ON COMMUNICATIONS, (198909), vol. 37, no. 9, doi:doi:10.1109/26.35371, pages 918 - 926, XP000054040 [A] 1,12,18 DOI: http://dx.doi.org/10.1109/26.35371
		[A] - Y.-J.LIU et al., "A Soft-Output Bidirectional Decision Feed- back Equalization Technique For TDMA Cellular Radio", IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, (199309), vol. 11, no. 7, pages 1034 - 1045 [A] 1,14,18
		[A] - Y. KAMIO et al., "Performance Of Reduced Complexity DFE Using Bidirectional Equalizing In Land Mobile Communications", PROCEEDING 42nd IEEE VEHICULAR TECHNOLOGY CONFERENCE, Denver, CO, (1992), doi:doi:10.1109/VETEC.1992.245376, pages 372 - 375, XP000339754 [A] 1,12,18 DOI: http://dx.doi.org/10.1109/VETEC.1992.245376
		[A] - H. SUZUKI, "Performance Of A New Adaptive Diversity- -Equalization For Digital Mobile Radio", ELECTRONIC LETTERS, (19900510), vol. 26, no. 10, doi:doi:10.1049/el:19900410, pages 626 - 627, XP000124178 [A] 1,12,18 DOI: http://dx.doi.org/10.1049/el:19900410
	Examination	CA2097861

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