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EP1760520

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EP About this file: EP1760520

EP1760520 - Differential quadrature phase-shift modulator and method for setting driving voltage thereof [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 05.06.2015 Database last updated on 19.10.2024
Most recent event Tooltip	05.06.2015	No opposition filed within time limit	published on 08.07.2015 [2015/28]
Applicant(s)	For all designated states FUJITSU LIMITED 1-1, Kamikodanaka 4-chome, Nakahara-ku Kawasaki-shi Kanagawa 211-8588 / JP
	[2014/31]
Former [2007/10]	For all designated states FUJITSU LIMITED 1-1, Kamikodanaka 4-chome, Nakahara-ku Kawasaki-shi Kanagawa 211-8588 / JP
Inventor(s)	01 / Nakashima, Hisao c/o FUJITSU LIMITED 1-1, Kamikodanaka 4-chome Nakahara-ku Kawasaki-shi Kanagawa 211-8588 / JP
	02 / Hoshida, Takeshi c/o FUJITSU LIMITED 1-1, Kamikodanaka 4-chome Nakaharu-ku Kawasaki-shi Kanagawa 211-8588 / JP
	[2014/31]
Former [2007/23]	01 / Nakashima, Hisao c/o FUJITSU LIMITED 1-1, Kamikodanaka 4-chome Nakahara-ku Kawasaki-shi Kanagawa 211-8588 / JP
	02 / Hoshida, Takeshi c/o FUJITSU LIMITED 1-1, Kamikodanaka 4-chome Nakaharu-ku Kawasaki-shi Kanagawa 211-8588 / JP
Former [2007/10]	01 / Nakashima, Hisao FUJITSU LIMITED 1-1, Kamikodanaka 4-chome Nakahara-ku Kawasaki-shi Kanagawa 211-8588 / JP
	02 / Hoshida, Takeshi FUJITSU LIMITED 1-1, Kamikodanaka 4-chome Nakaharu-ku Kawasaki-shi Kanagawa 211-8588 / JP
Representative(s)	Hoffmann Eitle Patent- und Rechtsanwälte PartmbB Arabellastrasse 30 81925 München / DE
	[N/P]
Former [2014/31]	HOFFMANN EITLE Patent- und Rechtsanwälte Arabellastrasse 4 81925 München / DE
Former [2011/13]	HOFFMANN EITLE Patent- und Rechtsanwälte Arabellastrasse 4 81925 München / DE
Former [2007/10]	Hoffmann, Klaus Hoffmann - Eitle Patent- und Rechtsanwälte Arabellastrasse 4 D-81925 München / DE
Application number, filing date	05025631.2	24.11.2005
	[2007/10]
Priority number, date	JP20050252172	31.08.2005 Original published format: JP 2005252172
	[2007/23]
Former [2007/10]	KR20050252172	31.08.2005
Filing language	EN
Procedural language	EN
Publication	Type:	A2 Application without search report
	No.:	EP1760520
	Date:	07.03.2007
	Language:	EN
	[2007/10]
	Type:	A8 Corrected patent application
	No.:	EP1760520
	Date:	06.06.2007
	[2007/23]
	Type:	A3 Search report
	No.:	EP1760520
	Date:	04.06.2008
	[2008/23]
	Type:	B1 Patent specification
	No.:	EP1760520
	Date:	30.07.2014
	Language:	EN
	[2014/31]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	08.05.2008
Classification	IPC:	H04B10/50, H04L27/20, G02F1/225	[2014/13]
	CPC:	G02F1/2255 (EP,US); H04B10/505 (EP,US); H04B10/5053 (EP,US); H04B10/50572 (EP,US); H04B10/5561 (EP,US); H04L27/2075 (EP,US); (+) H04L27/2096 (EP,US); G02F1/212 (EP,US) (-)
	Former IPC [2007/10]	G02F1/225, H04B10/155, H04L27/20
Designated contracting states	DE, FR, GB [2009/07]
Former [2007/10]	AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LI, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR
Title	German:	Differentieller Quadraturphasenverschiebungsmodulator und Verfahren zur Einstellung seiner Steuerspannung	[2007/10]
	English:	Differential quadrature phase-shift modulator and method for setting driving voltage thereof	[2007/10]
	French:	Modulateur à déplacement de phase différentiel quadratique et méthode pour déterminer sa tension de commande	[2007/10]
Examination procedure	17.10.2008	Amendment by applicant (claims and/or description)
	20.10.2008	Examination requested [2008/49]
	05.12.2008	Loss of particular rights, legal effect: designated state(s)
	05.02.2009	Despatch of communication of loss of particular rights: designated state(s) AT, BE, BG, CH, CY, CZ, DK, EE, ES, FI, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR
	27.08.2009	Despatch of a communication from the examining division (Time limit: M04)
	18.12.2009	Reply to a communication from the examining division
	21.07.2010	Despatch of a communication from the examining division (Time limit: M04)
	05.11.2010	Reply to a communication from the examining division
	24.01.2012	Despatch of a communication from the examining division (Time limit: M04)
	31.05.2012	Reply to a communication from the examining division
	03.03.2014	Communication of intention to grant the patent
	18.06.2014	Fee for grant paid
	18.06.2014	Fee for publishing/printing paid
	18.06.2014	Receipt of the translation of the claim(s)
Divisional application(s)	The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is 27.08.2009
Opposition(s)	04.05.2015	No opposition filed within time limit [2015/28]
Fees paid	Renewal fee
	26.11.2007	Renewal fee patent year 03
	27.03.2008	Renewal fee patent year 04
	27.11.2009	Renewal fee patent year 05
	23.11.2010	Renewal fee patent year 06
	23.11.2011	Renewal fee patent year 07
	04.09.2012	Renewal fee patent year 08
	02.09.2013	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.
Documents cited:	Search	[A]EP0547394 (FUJITSU LTD [JP]) [A] 1-7 * page 6, line 1 - line 15 * * figures 6,11 *;
		[A]EP0881526 (NEC CORP [JP]) [A] 1 * column 2 * * figure 3 *;
		[X]WO03049333 (BOOKHAM TECHNOLOGY PLC [GB], et al) [X] 1,2,5-7 * page 4 - page 7 * * figure 1 *;
		[A]US2005036725 (LEUTHOLD JUERG [US], et al) [A] 1 * paragraph [0016] - paragraph [0019] * * paragraph [0035] - paragraph [0043] * * figure 1 *;
		[X] - GRIFFIN R A ET AL OPTICAL SOCIETY OF AMERICA / INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, "10 Gb/s optical differential quadrature phase shift key (DQPSK) transmission using GaAs/AlGaAs integration", OPTICAL FIBER COMMUNICATION CONFERENCE AND EXHIBIT. (OFC). TECHNICAL DIGEST. POSTCONFERENCE DIGEST. ANAHEIM, CA, MARCH 17 - 22, 2002, TRENDS IN OPTICS AND PHOTONICS SERIES. (TOPS), WASHINGTON, DC : OSA, US, (20020317), vol. TOPS. VOL. 70, ISBN 1-55752-701-6, pages 917 - 919, XP010618176 [X] 1,2,5-7 * the whole document *
		[X] - GRIFFIN R A, "Integrated DQPSK transmitters", OPTICAL FIBER COMMUNICATION CONFERENCE, 2005. TECHNICAL DIGEST. OFC/NFOEC ANAHEIM, CA, USA MARCH 6-11, 2005, PISCATAWAY, NJ, USA,IEEE, (20050306), ISBN 1-55752-783-0, pages 91 - 93, XP010831672 [X] 8-14 * the whole document *
		[A] - IBRAHIM S K ET AL, "Non-magnetic 30 dB integrated optical isolator in III/V material", ELECTRONICS LETTERS, IEE STEVENAGE, GB, (20040930), vol. 40, no. 20, ISSN 0013-5194, pages 1293 - 1294, XP006022693 [A] 8-14 * the whole document * DOI: http://dx.doi.org/10.1049/el:20045901
	by applicant	- "lOGb/s optical differential quadrature phase shift key (DQPSK) transmission using GaAs/AlGaAs integration", GRIFFIN R A ET AL., OPTICAL SOCIETY OF AMERICA/INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, (20020317), vol. 70, pages 917 - 919
		- OSNR. GRIFFIN R A, "Integrated DQPSK transmitters", OPTICAL FIBER COMMUNICATION CONFERENCE 2005. TECHNICAL DIGEST. OFC/NFOEC ANAHEIM, (20050306), pages 91 - 93

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