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Extract from the Register of European Patents

EP About this file: EP4298798

EP4298798 - MEMS ACOUSTIC TRANSDUCER ARRAY [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  01.12.2023
Database last updated on 02.09.2024
FormerThe international publication has been made
Status updated on  03.09.2022
Formerunknown
Status updated on  06.04.2022
Most recent event   Tooltip27.04.2024Change: Validation statespublished on 29.05.2024  [2024/22]
27.04.2024Change - extension statespublished on 29.05.2024  [2024/22]
Applicant(s)For all designated states
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
Hansastraße 27c
80686 München / DE
[2024/01]
Inventor(s)01 / LOFINK, Fabian
25524 Itzehoe / DE
02 / STOPPEL, Fabian
25524 Itzehoe / DE
03 / NIEKIEL, Malte Florian
25524 Itzehoe / DE
04 / WAGNER, Bernhard
25524 Itzehoe / DE
 [2024/01]
Representative(s)Pfitzner, Hannes, et al
Schoppe, Zimmermann, Stöckeler
Zinkler, Schenk & Partner mbB
Patentanwälte
Radlkoferstraße 2
81373 München / DE
[2024/01]
Application number, filing date22712805.524.02.2022
[2024/01]
WO2022EP54647
Priority number, dateDE20211020178425.02.2021         Original published format: DE102021201784
[2024/01]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report
No.:WO2022180161
Date:01.09.2022
Language:DE
[2022/35]
Type: A1 Application with search report 
No.:EP4298798
Date:03.01.2024
Language:DE
The application published by WIPO in one of the EPO official languages on 01.09.2022 takes the place of the publication of the European patent application.
[2024/01]
Search report(s)International search report - published on:EP01.09.2022
ClassificationIPC:H04R1/26, H04R17/10
[2024/01]
CPC:
H04R1/26 (EP); H04R17/10 (EP); H04R2201/003 (EP)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2024/01]
TitleGerman:MEMS-SCHALLWANDLER-ARRAY[2024/01]
English:MEMS ACOUSTIC TRANSDUCER ARRAY[2024/01]
French:RÉSEAU DE TRANSDUCTEURS ACOUSTIQUES MEMS[2024/01]
Entry into regional phase24.08.2023National basic fee paid 
24.08.2023Designation fee(s) paid 
24.08.2023Examination fee paid 
Examination procedure24.08.2023Examination requested  [2024/01]
24.08.2023Date on which the examining division has become responsible
15.04.2024Amendment by applicant (claims and/or description)
Fees paidRenewal fee
22.02.2024Renewal fee patent year 03
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Cited inInternational search[A]US2010296681  (ALBACH THORSTEN [DE], et al) [A] 1-21* the whole document *;
 [XI]US2020100033  (STOPPEL FABIAN [DE], et al) [X] 1,3-5,7,10-18,20,21 * paragraphs [0013] , [0 15] , [0 21] , [0 50] - [0056] - [0 77] - [0120] - [ 130] - [0142]; figures 1, 6, 7, 10, 13, 15 * [I] 2,6,8,9,19;
 [A]US2020204934  (VOSS RASMUS [NL], et al) [A] 1-21 * the whole document *;
 [XI]US2020212885  (KIM CHEHEUNG [KR], et al) [X] 1-5,15,18 * paragraphs [0109] , [ 111] , [ 135] - [0147]; figures 8, 10, 17-19 * [I] 6-11,16,17,19,20
by applicantUS9237961
 US10349182
 EP3632135
    - I. SHAHOSSEINIE. LEFEUVREJ. MOULINE. MARTINCICM. WOYTASIKG. LEMARQUAND, IEEE Sens. J., (20130000), vol. 13, pages 273 - 284
    - F. L. AYATOLLAHIB. Y. MAJLIS, "Materials Design and Analysis of Low-Power MEMS Microspeaker Using Magnetic Actuation Technology", Adv. Mater. Res., (20090000), vol. 74, pages 243 - 246
    - Y. C. CHENY. T. CHENG, "A low-power milliwatt electromagnetic microspeaker using a PDMS membrane for hearing aids application", IEEE Int. Conf. Micro Electro Mech. Syst., (20110000), doi:10.1109/MEMSYS.2011.5734650, pages 1213 - 1216, XP031982637

DOI:   http://dx.doi.org/10.1109/MEMSYS.2011.5734650
    - M.-C. CHENGW.-S. HUANGS. R.-S. HUANG, "A silicon microspeaker for hearing instruments", J. Micromech. Microeng., (20040000), vol. 14, doi:10.1088/0960-1317/14/7/004, pages 859 - 866, XP020069702

DOI:   http://dx.doi.org/10.1088/0960-1317/14/7/004
    - S.-S. JEF. RIVASR. E. DIAZJ. KWONJ. KIMB. BAKKALOGLUS. KIAEIJ. CHAE, "A Compact and Low-Cost MEMS Loudspeaker for Digital Hearing Aids", IEEE Trans. Biomed. Circ. Sys., (20090000), vol. 3, doi:10.1109/TBCAS.2009.2026429, pages 348 - 358, XP011277383

DOI:   http://dx.doi.org/10.1109/TBCAS.2009.2026429
    - C. SHEARWOODM. A. HARRADINET. S. BIRCHJ. C. STEVENS, "Applications of Polyimide Membranes to MEMS Technology", Microelectron. Eng., (19960000), vol. 30, pages 547 - 550
    - Q. ZHANGE. S. KIM, "Fully-microfabricated electromagnetically-actuated membrane for microspeaker'', Transducers", 15, Int. Conf. Solid.State Sens., Actuators Microsyst., (20150000), pages 2125 - 2128
    - ALBACH, T. S.HORN, PSUTOR, A.LERCH, R, "Sound Generation Using a Magnetostrictive, Micro Actuator", J. Appl. Phys., (20110000), vol. 109, no. 7
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