EP1599067A3

Detection and control of diaphragm collapse in condenser microphones

Abstract

The invention relates to a condenser microphone comprising a detection means adapted to determine a physical parameter value related to a separation or distance between a transducer element diaphragm and back-plate and a collapse control means adapted to control a DC bias voltage of the transducer element based on the determined physical parameter value.

EP1599067A3, drawing sheet 1 — Sheet 1 of 1

Term

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Projected expiry passed 17 May 2025, 1.4 years ago.

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Sheet 1

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

Citations
Document	Relation	Office	Category	Cited during	Relevant claims
WO02098166A1	Cites	World Intellectual Property Organization (WIPO)	DYA	Search report	1,2,11,12,19,23
US2002050172A1	Cites	United States of America	A	Search report	1-28
WO9622515A1	Cites	World Intellectual Property Organization (WIPO)	YA	Search report	1,2,11,12,19,23
PATENT ABSTRACTS OF JAPAN vol. 2002, no. 02 2 April 2002 (2002-04-02)	Non-patent	–	–	Search report	–

9 members in 4 offices

This recordMember, by publication datePriority claim

Priority claims5

Priority claims
Document	Office	Kind	Date
572763P	United States of America	–	2004-05-21
57276304	United States of America	P	2004-05-21
57276304	United States of America	P	2004-05-21
572763P	–	–	–
US20040572763P	–	–	–

Members9

Family members, oldest first
Document	Office	Kind
EP1599067A2	European Patent Office (EPO)	A2	2005-11-23
US2006008097A1	United States of America	A1	2006-01-12
EP1599067A3This record	European Patent Office (EPO)	A3	2006-01-18
CN1741685A	China	A	2006-03-01
KR20060048056A	Republic of Korea	A	2006-05-18
US7548626B2	United States of America	B2	2009-06-16
CN1741685B	China	B	2011-11-30
KR101138447B1	Republic of Korea	B1	2012-04-26
EP1599067B1	European Patent Office (EPO)	B1	2013-05-01

75 legal events, as 9 offices reported them to INPADOC

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	Event	Code	Office
2025-05-17	Expiry of rightR071	R071	DE
2024-07-10	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2023-08-16	Opt-out of the competence of the unified patent court (upc) registeredP01	P01	EP
2017-02-01	Change of applicant/patenteeR081	R081	DE
2017-02-01	Change of representativeR082	R082	DE
2017-02-01	Change of representativeR082	R082	DE
2015-07-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2015-07-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2015-06-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-07-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-05-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-05-15	No opposition filed against granted patent, or epo opposition proceedings concluded without decisionGrantedR097	R097	DE
2014-04-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-04-23	Gb: european patent ceased through non-payment of renewal feeCeasedGBPC	GBPC	EP
2014-04-09	No opposition filedOpposition26N	26N	EP
2014-03-07	No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE	PLBE	EP
2014-03-07	Notification of lapseLapsedST	ST	FR
2014-03-07	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA	STAA	EP
2014-02-28	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-02-28	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-02-28	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-02-26	Patent lapsedLapsedMM4A	MM4A	IE
2014-01-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-01-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-01-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-01-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-01-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-01-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-01-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2014-01-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2013-12-31	Patent ceasedCeasedPL	PL	CH
2013-11-29	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2013-11-29	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2013-11-29	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2013-10-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2013-10-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2013-10-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2013-10-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2013-10-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2013-10-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2013-10-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2013-10-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2013-10-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2013-10-25	Invalidated european patentMG4D	MG4D	LT
2013-10-23	Discontinued in the netherlands as no translation has been filedVDEP	VDEP	NL
2013-09-15	Deletion acc. to par. 5 (withdrawal of the translation of the ep patent)MK05	MK05	AT
2013-08-07	Information on inventor provided after grant (corrected)RIN2	RIN2	EP
2013-08-07	Information on inventor provided after grant (corrected)RIN2	RIN2	EP
2013-08-07	Information on inventor provided after grant (corrected)RIN2	RIN2	EP
2013-06-27	Dpma publication of mentioned ep patent grantGrantedR096	R096	DE
2013-05-22	European patents granted designating irelandGrantedFG4D	FG4D	IE
2013-05-15	European patent takes effect as a national patent in ch/liEP	EP	CH
2013-05-15	Reference to at number (ep patent validated in austria)REF	REF	AT
2013-05-07	Change of applicant/patenteeR081	R081	DE
2013-05-01	Designated contracting statesAK	AK	EP
2013-05-01	European patent grantedGrantedFG4D	FG4D	GB
2013-04-24	Information on inventor provided before grant (corrected)RIN1	RIN1	EP
2013-04-24	Information on inventor provided before grant (corrected)RIN1	RIN1	EP
2013-04-24	Information on inventor provided before grant (corrected)RIN1	RIN1	EP
2013-03-29	(expected) grantORIGINAL CODE: 0009210GRAA	GRAA	EP
2013-03-22	Grant fee paidORIGINAL CODE: EPIDOSNIGR3GRAS	GRAS	EP
2013-01-07	Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP	GRAP	EP
2012-12-12	Information provided on ipc code assigned before grantRIC1	RIC1	EP
2012-12-12	Information provided on ipc code assigned before grantRIC1	RIC1	EP
2012-11-05	Amendment of ipc main classPREVIOUS MAIN CLASS: H04R0019040000R079	R079	DE
2011-11-09	First examination report despatched17Q	17Q	EP
2011-01-12	Party data changed (applicant data changed or rights of an application transferred)RAP1	RAP1	EP
2006-09-20	Designation fees paidAKX	AKX	EP
2006-08-30	Request for examination filed17P	17P	EP
2006-01-18	Designated contracting statesAK	AK	EP
2006-01-18	Request for extension of the european patentAX	AX	EP
2005-12-02	Search report despatchedORIGINAL CODE: 0009013PUAL	PUAL	EP
2005-11-23	Designated contracting statesAK	AK	EP
2005-11-23	Request for extension of the european patentAX	AX	EP
2005-10-07	Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI	PUAI	EP

Detection and control of diaphragm collapse in condenser microphones

Abstract

Term

Priority claims5

Members9

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Titles3

Classification

Designated states2