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Extract from the Register of European Patents

EP About this file: EP1511263

EP1511263 - Method and apparatus for multi-level quadrature amplitude modulation [Right-click to bookmark this link]
Status	Patent maintained as amended Status updated on 22.07.2011 Database last updated on 14.08.2024
Most recent event Tooltip	22.07.2011	Patent maintained (B2 publication)	published on 24.08.2011 [2011/34]
Applicant(s)	For all designated states NEC Corporation 7-1, Shiba 5-chome Minato-ku Tokyo 108-8001 / JP
	[N/P]
Former [2007/34]	For all designated states NEC CORPORATION 7-1, Shiba 5-chome, Minato-ku Tokyo / JP
Former [2005/09]	For all designated states NEC CORPORATION 7-1, Shiba 5-chome, Minato-ku Tokyo / JP
Inventor(s)	01 / Sasaki, Eisaku c/o NEC Corp. 7-1 Shiba 5-chome Minato-ku Tokyo / JP
	[2005/09]
Representative(s)	Vossius & Partner Patentanwälte Rechtsanwälte mbB Siebertstrasse 3 81675 München / DE
	[N/P]
Former [2008/35]	Vossius & Partner Siebertstrasse 3 81675 München / DE
Former [2005/09]	VOSSIUS & PARTNER Siebertstrasse 4 81675 München / DE
Application number, filing date	04025350.2	11.07.1996
	[2005/09]
Priority number, date	JP19950175981	12.07.1995 Original published format: JP 17598195
	[2005/09]
Filing language	EN
Procedural language	EN
Publication	Type:	A2 Application without search report
	No.:	EP1511263
	Date:	02.03.2005
	Language:	EN
	[2005/09]
	Type:	A3 Search report
	No.:	EP1511263
	Date:	23.11.2005
	[2005/47]
	Type:	B1 Patent specification
	No.:	EP1511263
	Date:	22.08.2007
	Language:	EN
	[2007/34]
	Type:	B2 New European patent specification
	No.:	EP1511263
	Date:	24.08.2011
	Language:	EN
	[2011/34]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	11.10.2005
Classification	IPC:	H04L27/34, H04L25/49	[2005/47]
	CPC:	H04L27/362 (EP,US); H04L1/0003 (EP,US); H04L27/34 (EP,US)
	Former IPC [2005/09]	H04L27/34
Designated contracting states	DE, FR, IT [2005/09]
Title	German:	Verfahren und Vorrichtung für mehrstufige Quadratur-Amplitudenmodulation	[2007/30]
	English:	Method and apparatus for multi-level quadrature amplitude modulation	[2005/09]
	French:	Procédé et dispositif pour modulation d'amplitude en quadrature à plusieurs niveaux	[2005/09]
	Former [2005/09]	Methode und Vorrichtung für mehrstufige Quadratur-Amplitudenmodulation
Examination procedure	18.10.2005	Examination requested [2005/50]
	08.06.2006	Despatch of a communication from the examining division (Time limit: M04)
	12.07.2006	Reply to a communication from the examining division
	01.08.2006	Despatch of a communication from the examining division (Time limit: M04)
	20.09.2006	Reply to a communication from the examining division
	17.10.2006	Despatch of a communication from the examining division (Time limit: M04)
	09.11.2006	Reply to a communication from the examining division
	23.04.2007	Cancellation of oral proceeding that was planned for 09.05.2007
	23.04.2007	Minutes of oral proceedings despatched
	07.05.2007	Communication of intention to grant the patent
	09.05.2007	Date of oral proceedings (cancelled)
	21.05.2007	Fee for grant paid
	21.05.2007	Fee for publishing/printing paid
Parent application(s) Tooltip	EP96111193.7 / EP0753953
Opposition(s)	Opponent(s)	01 16.05.2008 28.05.2008 ADMISSIBLE NERA Networks A/S P.O.Box 7090 5020 Bergen / NO Opponent's representative Schlossman, Ulf PATENTOR KB Flöjelbergsgatan 8B 431 37 Mölndal / SE
		02 16.05.2008 28.05.2008 WITHDRAWN SIAE Microelettronica S.p.A. Via Michelangelo Buonarotti 21 20093 Cologno M. MI / IT Opponent's representative Koch, Thomas, et al, et al Hoffmann - Eitle ATTENTION : ADDRESS INACTIVE - USE ASS-NR - CDR / DE
		[N/P]
	Former [2010/27]
	Opponent(s)	01 16.05.2008 28.05.2008 ADMISSIBLE NERA Networks A/S P.O.Box 7090 5020 Bergen / NO Opponent's representative Schlossman, Ulf PATENTOR KB Flöjelbergsgatan 8B 431 37 Mölndal / SE
		02 16.05.2008 28.05.2008 WITHDRAWN SIAE Microelettronica S.p.A. Via Michelangelo Buonarotti 21 20093 Cologno M. MI / IT Opponent's representative Koch, Thomas, et al, et al Hoffmann - Eitle Patent- und Rechtsanwälte Arabellastrasse 4 81925 München / DE
	Former [2008/27]
	Opponent(s)	01 16.05.2008 28.05.2008 ADMISSIBLE NERA Networks A/S P.O.Box 7090 5020 Bergen / NO Opponent's representative Schlossman, Ulf PATENTOR KB Flöjelbergsgatan 8B 431 37 Mölndal / SE
		02 16.05.2008 28.05.2008 ADMISSIBLE SIAE Microelettronica S.p.A. Via Michelangelo Buonarotti 21 20093 Cologno M. MI / IT Opponent's representative Koch, Thomas, et al, et al Hoffmann - Eitle Patent- und Rechtsanwälte Arabellastrasse 4 81925 München / DE
	Former [2008/26]
	Opponent(s)	01 16.05.2008 ADMISSIBLE NERA Networks A/S P.O.Box 7090 5020 Bergen / NO Opponent's representative Schlossman, Ulf PATENTOR KB Flöjelbergsgatan 8B 431 37 Mölndal / SE
	01.07.2008	Invitation to proprietor to file observations on the notice of opposition
	04.11.2008	Reply of patent proprietor to notice(s) of opposition
	11.02.2009	Despatch of a communication from the opposition division (Time limit: M06)
	21.08.2009	Reply to a communication from the opposition division
	19.11.2010	Legal effect of interlocutory decision in opposition
	19.11.2010	Date of oral proceedings
	10.12.2010	Despatch of interlocutory decision in opposition
	10.12.2010	Despatch of minutes of oral proceedings
	28.03.2011	Despatch of communication that the patent will be maintained as amended
	05.07.2011	Fee for printing new specification paid
Fees paid	Renewal fee
	25.11.2004	Renewal fee patent year 03
	25.11.2004	Renewal fee patent year 04
	25.11.2004	Renewal fee patent year 05
	25.11.2004	Renewal fee patent year 06
	25.11.2004	Renewal fee patent year 07
	25.11.2004	Renewal fee patent year 08
	25.11.2004	Renewal fee patent year 09
	29.07.2005	Renewal fee patent year 10
	28.07.2006	Renewal fee patent year 11
	21.05.2007	Renewal fee patent year 12
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	Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:	Search	[DXAY]JPH04208741 ;
		[YA]JPS60178753 ;
		[A]US4520490 (WEI LEE-FANG [US]) [A] 1-8 * column 13, lines 49-65; figure 5 *;
		[A]US4665532 (FUKUDA EISUKE [JP], et al) [A] 1-14 * column 3, line 30 - column 4, line 13; figure 1 *;
		[Y]US4965536 (YOSHIDA YASUHARU [JP]) [Y] 1-8 * column 4, line 54 - column 5, line 21; figure 3 *;
		[A]EP0503588 (NIPPON TELEGRAPH & TELEPHONE [JP]) [A] 1-14 * page 2, line 38 - page 3, line 4; figures 1,5,6,12 * * page 6, line 5 - page 8, line 3 ** page 11, line 7 - page 12, line 20 *;
		[A]US5200978 (LO CURTO MICHELANGELO [IT], et al) [A] 1-8 * figure 1 *;
		[A]US5363410 (HAYASHI TAKAHISA [JP]) [A] 1-8 * column 7, line 65 - column 8, line 16; figure 2 *;
		[Y] - LOGAN H L ET AL, "A MOS/LSI MULTIPLE-CONFIGURATION 9600 BPS DATA MODEM", INTERNATIONAL CONFERENCE ON COMMUNICATIONS. PHILADELPHIA, JUNE 14-16, 1976, NEW YORK, IEEE, US, (197606), VOL. 3, pages 48 - 7, XP000793834 [Y] 1-8 * pages 48-9; figure 2 *
		[DXAY] - PATENT ABSTRACTS OF JAPAN, (19921119), vol. 016, no. 550, Database accession no. (E - 1292), & JP04208741 A 19920730 (TECH RES & DEV INST OF JAPAN DEF AGENCY;OTHERS: 01) [DX] 9,12 * abstract * [A] 1-8,10,13 [Y] 11,14
		[YA] - PATENT ABSTRACTS OF JAPAN, (19860125), vol. 010, no. 020, Database accession no. (E - 376), & JP60178753 A 19850912 (FUJITSU KK) [Y] 11,14 * abstract * [A] 1-14

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