blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP4004679

EP4004679 - PULSE WIDTH MODULATION AND VOLTAGE TEST SIGNALS FOR FAN TYPE DETECTION [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  17.05.2024
Database last updated on 16.11.2024
FormerRequest for examination was made
Status updated on  29.04.2022
FormerThe international publication has been made
Status updated on  29.01.2021
Most recent event   Tooltip17.05.2024Application deemed to be withdrawnpublished on 19.06.2024  [2024/25]
Applicant(s)For all designated states
Hewlett-Packard Development Company, L.P.
10300 Energy Drive
Spring TX 77389 / US
[2022/22]
Inventor(s)01 / SUNG, Hsiang Chuan
No. 66 Jing Mao 2 Road 10F-2
NanGang District
Taipei City, 11568 / TW
02 / CHEN, Chien Hao
No. 66 Jing Mao 2 Road 10F-2
NanGang District
Taipei City, 11568 / TW
03 / CHEN, Fu-Yi
No. 66 Jing Mao 2 Road 10F-2
NanGang District
Taipei City, 11568 / TW
04 / HUANG, Yi-Hsuan
No. 66 Jing Mao 2 Road 10F-2
NanGang District
Taipei City, 11568 / TW
05 / CHEN, Chi-feng
No. 66 Jing Mao 2 Road 10F-2
NanGang District
Taipei City, 11568 / TW
 [2022/22]
Representative(s)Hoffmann Eitle
Patent- und Rechtsanwälte PartmbB
Arabellastraße 30
81925 München / DE
[N/P]
Former [2022/22]Haseltine Lake Kempner LLP
Redcliff Quay
120 Redcliff Street
Bristol BS1 6HU / GB
Application number, filing date19938598.024.07.2019
[2022/22]
WO2019US43265
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021015760
Date:28.01.2021
Language:EN
[2021/04]
Type: A1 Application with search report 
No.:EP4004679
Date:01.06.2022
Language:EN
The application published by WIPO in one of the EPO official languages on 28.01.2021 takes the place of the publication of the European patent application.
[2022/22]
Search report(s)International search report - published on:RU28.01.2021
(Supplementary) European search report - dispatched on:EP02.03.2023
ClassificationIPC:G06F1/20, H05K7/20
[2023/14]
CPC:
G06F1/20 (EP,US); G01P3/489 (US); G06F1/206 (EP);
H05K7/20209 (EP,US)
Former IPC [2022/22]G06F1/20
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 [2022/22]
TitleGerman:PULSBREITENMODULATIONS- UND SPANNUNGSTESTSIGNALE FÜR GEBLÄSETYPERKENNUNG[2022/22]
English:PULSE WIDTH MODULATION AND VOLTAGE TEST SIGNALS FOR FAN TYPE DETECTION[2022/22]
French:MODULATION DE LARGEUR D'IMPULSION ET SIGNAUX DE TEST DE TENSION POUR DÉTECTION DE TYPE DE VENTILATEUR[2022/22]
Entry into regional phase24.01.2022National basic fee paid 
24.01.2022Search fee paid 
24.01.2022Designation fee(s) paid 
24.01.2022Examination fee paid 
Examination procedure24.01.2022Examination requested  [2022/22]
03.10.2023Application deemed to be withdrawn, date of legal effect  [2024/25]
13.02.2024Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [2024/25]
Fees paidRenewal fee
24.01.2022Renewal fee patent year 03
21.07.2022Renewal fee patent year 04
Penalty fee
Additional fee for renewal fee
31.07.202305   M06   Not yet paid
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[I]US2009169188  (HUANG SHIH-FENG [TW], et al) [I] 1-15 * paragraph [0005] - paragraph [0008]; figures 1,2 * * paragraph [0020] - paragraph [0037]; figures 3A,3B *;
 [A]US2017187310  (HUNG MING-CHE [TW]) [A] 1-15 * paragraph [0006] - paragraph [0009] * * paragraph [0031] - paragraph [0043]; figures 3-5 *;
 [A]US2019011475  (WU CHUN-YI [TW]) [A] 1-15 * paragraph [0003] - paragraph [0005] ** paragraph [0042] - paragraph [0057]; figures 1,2 *
International search[A]US7313466  (CHANG YU-CHEN [CN]) [A] 1-15;
 [A]WO2008002948  (INTEL CORP [US], et al) [A] 1-15;
 [A]US2009003806  (ZOU HUA [CN], et al)[A] 1-15;
 [A]US7742688  (ZOU HUA [CN], et al) [A] 1-15
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.