EP1540826A4

Delta-sigma modulation circuits and methods utilizing multiple noise attenuation bands and data converters using the same

Abstract

This record has no abstract on file.

EP1540826A4, drawing sheet 1 — Sheet 1 of 10

Term

Term ended

Projected expiry passed 16 April 2023, 3.4 years ago.

10 sheets

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Sheet 2
Sheet 3
Sheet 4
Sheet 5
Sheet 6
Sheet 7
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Sheet 9
Sheet 10

Every citation, both waysCites: the store holds 3 of 4

Citations
Document	Relation	Office	Category	Cited during	Relevant claims
US2002063649A1	Cites	United States of America	–	Examiner	–
WO2004051856A2	Cites	World Intellectual Property Organization (WIPO)	E	Search report	1-29
WO2004051856A	Cites	World Intellectual Property Organization (WIPO)	–	–	–
AL-JANABI M ET AL: "Methods for the transfer function design of multiple narrow-band bandpass sigma-delta modulators", COMPUTER STANDARDS AND INTERFACES, ELSEVIER SEQUOIA. LAUSANNE, CH, vol. 23, no. 2, May 2001 (2001-05-01), pages 85 - 102, XP004232990, ISSN: 0920-5489	Non-patent	–	–	Search report	–
ROMBOUTS P. ET AL: "An efficient technique to eliminate Quantisation Noise folding in Double-Sampling Sigma-Delta Modulators", EEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, vol. 3, 26 May 2002 (2002-05-26), pages III-707 - III-709	Non-patent	–	–	Examiner	–
See also references of WO 2004006440A1	Non-patent	–	–	Examiner	–

8 members in 5 offices

This recordMember, by publication datePriority claim

Priority claims9

Priority claims
Document	Office	Kind	Date
191016	United States of America	–	2002-07-08
19101602	United States of America	A	2002-07-08
19101602	United States of America	A	2002-07-08
0311777	United States of America	W	2003-04-16
0311777	United States of America	W	2003-04-16
191016	–	–	–
US20020191016	–	–	–
US2003011777	–	–	–
WO2003US11777	–	–	–

Members8

Family members, oldest first
Document	Office	Kind
US2004004565A1	United States of America	A1	2004-01-08
WO2004006440A1	World Intellectual Property Organization (WIPO)	A1	2004-01-15
AU2003234114A1	Australia	A1	2004-01-23
US6738003B2	United States of America	B2	2004-05-18
EP1540826A1	European Patent Office (EPO)	A1	2005-06-15
EP1540826A4This record	European Patent Office (EPO)	A4	2005-10-12
JP2005532732A	Japan	A	2005-10-27
JP4057585B2	Japan	B2	2008-03-05

16 legal events, as the office reported them to INPADOC

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Events

Legal events, newest first
	Event	Code
2012-04-18	Application deemed to be withdrawnWithdrawn18D	18D
2012-03-16	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWNSTAA	STAA
2011-05-27	Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP	GRAP
2011-05-20	Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deletedORIGINAL CODE: EPIDOSDIGR1GRAJ	GRAJ
2011-03-15	Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP	GRAP
2007-07-04	First examination report despatched17Q	17Q
2006-12-20	First examination report despatched17Q	17Q
2005-10-26	Request for extension of the european patent (deleted)DAX	DAX
2005-10-12	Supplementary search report drawn up and despatchedA4	A4
2005-10-12	Information provided on ipc code assigned before grantRIC1	RIC1
2005-10-12	Information provided on ipc code assigned before grantRIC1	RIC1
2005-10-12	Information provided on ipc code assigned before grantRIC1	RIC1
2005-06-15	Request for examination filed17P	17P
2005-06-15	Designated contracting statesAK	AK
2005-06-15	Request for extension of the european patentAX	AX
2005-04-29	Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI	PUAI