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EP0708535

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Extract from the Register of European Patents

EP About this file: EP0708535

EP0708535 - METHOD AND DEVICE FOR DETECTING DOUBLE-TALK, AND ECHO CANCELER [Right-click to bookmark this link]
Status	The application is deemed to be withdrawn Status updated on 01.12.2006 Database last updated on 20.09.2024
Most recent event Tooltip	29.08.2008	Change - representative	published on 01.10.2008 [2008/40]
Applicant(s)	For all designated states NTT MOBILE COMMUNICATIONS NETWORK INC. 10-1, Toranomon 2-chome Minato-ku Tokyo 105-8436 / JP
	[N/P]
Former [1996/17]	For all designated states NTT MOBILE COMMUNICATIONS NETWORK INC. 10-1, Toranomon 2-chome Minato-ku, Tokyo 105 / JP
Inventor(s)	01 / KAWAHARA, Toshiro 2-1-3-2-506, Hayashi Yokosuka-shi Kanagawa 238-03 / JP
	02 / OHYA, Tomoyuki 2-1-3-3-201, Hayashi Yokosuka-shi Kanagawa 238-03 / JP
	03 / SAIGUSA, Masahito 1-33-1-308, Tomioka-higashi Kanazawa-ku Yokohama-shi Kanagawa 236 / JP
	04 / NAKA, Nobuhiko 1-22-9-302, Nakazato Minami-ku Yokohama-shi Kanagawa 232 / JP
	[1996/17]
Representative(s)	Winter, Brandl - Partnerschaft mbB Alois-Steinecker-Straße 22 85354 Freising / DE
	[N/P]
Former [2008/40]	Winter, Brandl, Fürniss, Hübner Röss, Kaiser, Polte Partnerschaft Patent- und Rechtsanwaltskanzlei Alois-Steinecker-Strasse 22 85354 Freising / DE
Former [1996/17]	KUHNEN, WACKER & PARTNER Alois-Steinecker-Strasse 22 D-85354 Freising / DE
Application number, filing date	95917502.7	02.05.1995
	[1996/17]
	WO1995JP00864
Priority number, date	JP19940117636	06.05.1994 Original published format: JP 11763694
	JP19940117637	06.05.1994 Original published format: JP 11763794
	JP19940117638	06.05.1994 Original published format: JP 11763894
	JP19940117639	06.05.1994 Original published format: JP 11763994
	[1996/17]
Filing language	JA
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	WO9531050
	Date:	16.11.1995
	Language:	EN
	[1995/49]
	Type:	A1 Application with search report
	No.:	EP0708535
	Date:	24.04.1996
	Language:	EN
	The application published by WIPO in one of the EPO official languages on 16.11.1995 takes the place of the publication of the European patent application.
	[1996/17]
Search report(s)	International search report - published on:	JP	16.11.1995
	(Supplementary) European search report - dispatched on:	EP	16.08.2004
Classification	IPC:	H04B3/20, H04B3/23	[2004/28]
	CPC:	H04B3/23 (EP,US); H04B3/234 (EP,US)
	Former IPC [1996/17]	H04B3/20, H04M1/60, H03H21/00
Designated contracting states	AT, BE, CH, DE, DK, ES, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE [1996/17]
Title	German:	VERFAHREN UND GERÄT ZUR DETEKTION VON DOPPELSPRECHEN, SOWIE ECHOKOMPENSATOR	[1996/17]
	English:	METHOD AND DEVICE FOR DETECTING DOUBLE-TALK, AND ECHO CANCELER	[1996/17]
	French:	PROCEDE ET DISPOSITIF POUR LA DETECTION DE DOUBLE PAROLE ET COMPENSATEUR D'ECHO	[1996/17]
Entry into regional phase	31.08.1995	Translation filed
	31.08.1995	National basic fee paid
	31.08.1995	Search fee paid
	31.08.1995	Designation fee(s) paid
	31.08.1995	Examination fee paid
Examination procedure	31.08.1995	Examination requested [1996/17]
	03.02.2005	Despatch of a communication from the examining division (Time limit: M04)
	02.06.2005	Reply to a communication from the examining division
	24.02.2006	Communication of intention to grant the patent
	07.07.2006	Application deemed to be withdrawn, date of legal effect [2007/01]
	11.08.2006	Despatch of communication that the application is deemed to be withdrawn, reason: fee for grant / fee for printing not paid in time [2007/01]
Divisional application(s)	EP05012685.3 / EP1578025
	EP05012686.1 / EP1578026
Fees paid	Renewal fee
	28.05.1997	Renewal fee patent year 03
	28.05.1998	Renewal fee patent year 04
	26.05.1999	Renewal fee patent year 05
	31.05.2000	Renewal fee patent year 06
	30.05.2001	Renewal fee patent year 07
	27.05.2002	Renewal fee patent year 08
	28.05.2003	Renewal fee patent year 09
	28.05.2004	Renewal fee patent year 10
	31.05.2005	Renewal fee patent year 11
	30.03.2006	Renewal fee patent year 12
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.
Documents cited:	Search	[X]EP0053202 (COMMUNICATIONS SATELLITE CORP [US]) [X] 1-3 * page 4, line 13 - line 21; figure 1 *;
		[A]EP0301627 (PHILIPS NV [NL]) [A] 10,12 * page 6, column 9, line 23 - page 7, column 12, line 15; figure 2 *;
		[A]EP0439139 (NEC CORP [JP]) [A] 10,12 * column 5, line 42 - column 6, line 30; figure 3 *;
		[X]EP0454242 (PHILIPS NV [NL]) [X] 14-17 * column 8, line 43 - column 9, line 2; figure 3 *
		[X] - SANGIL PARK ET AL, "A NOVEL IMPLEMENTATION OF ACOUSTIC AND ELECTRICAL ECHO CANCELLERS FOR A FULL-DUPLEX TELECONFERENCE PHONE", PROCEEDINGS OF THE ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS. PACIFIC GROVE, NOV. 5 - 7, 1990, NEW YORK, IEEE, US, (19901105), vol. 1 CONF. 24, pages 47 - 51, XP000279999 [X] 1-3 * paragraph 4.0 *
	International search	[XA]JPH02288734 (MITSUBISHI ELECTRIC CORP);
		[A]JPH04128900 (NIPPON ELECTRIC IC MICROCOMPUT);
		[A]JPS6265525 (OKI ELECTRIC IND CO LTD)

The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.

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