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Extract from the Register of European Patents

EP About this file: EP0831469

EP0831469 - Hologram optical pick-up using two laser sources [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  23.11.2001
Database last updated on 21.08.2024
Most recent event   Tooltip23.11.2001No opposition filed within time limitpublished on 09.01.2002  [2002/02]
Applicant(s)For all designated states
Samsung Electronics Co., Ltd.
416 Maetan-dong
Paldal-gu
Suwon City, Kyungki-do / KR
[N/P]
Former [1998/13]For all designated states
Samsung Electronics Co., Ltd.
416 Maetan-dong, Paldal-gu
Suwon City, Kyungki-do / KR
Inventor(s)01 / Kim, Jin-hwan
1-1202, Samsung 1st Apt., Maetan-dong
Paldal-gu, Suwon, Kyonggi-do / KR
02 / Shin, Hun-kuk
101-1003 Samsung APT., Wooman-dong
Paldal-gu, Suwon, Kyonggi-do / KR
[1998/13]
Representative(s)Chugg, David John, et al
Appleyard Lees
15 Clare Road
Halifax
West Yorkshire HX1 2HY / GB
[N/P]
Former [1998/13]Chugg, David John, et al
Appleyard Lees, 15 Clare Road
Halifax, West Yorkshire HX1 2HY / GB
Application number, filing date97307388.522.09.1997
[1998/13]
Priority number, dateKR1996004212024.09.1996         Original published format: KR 9642120
[1998/13]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0831469
Date:25.03.1998
Language:EN
[1998/13]
Type: A3 Search report 
No.:EP0831469
Date:05.08.1998
[1998/32]
Type: B1 Patent specification 
No.:EP0831469
Date:17.01.2001
Language:EN
[2001/03]
Search report(s)(Supplementary) European search report - dispatched on:EP24.06.1998
ClassificationIPC:G11B7/12, G11B7/135
[1998/13]
CPC:
G11B7/1353 (EP,US); G11B7/08 (KR); G11B7/127 (EP,US);
G11B2007/0006 (EP,US)
Designated contracting statesDE,   FR,   GB [1999/16]
Former [1998/13]AT,  BE,  CH,  DE,  DK,  ES,  FI,  FR,  GB,  GR,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  SE 
TitleGerman:Holographischer Abtastkopf mit zwei Laserquellen[1998/13]
English:Hologram optical pick-up using two laser sources[1998/13]
French:Tête optique holographique à deux sources laser[1998/13]
Examination procedure03.10.1997Examination requested  [1998/13]
15.02.2000Despatch of communication of intention to grant (Approval: Yes)
13.07.2000Communication of intention to grant the patent
18.09.2000Fee for grant paid
18.09.2000Fee for publishing/printing paid
Opposition(s)18.10.2001No opposition filed within time limit [2002/02]
Fees paidRenewal fee
06.08.1999Renewal fee patent year 03
14.08.2000Renewal fee patent year 04
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Documents cited:Search[A]JPH0254434  ;
 [A]JPS61260434  ;
 [A]JPH04157635  ;
 [A]EP0581597  (SHARP KK [JP]) [A] 1 * figure 1; claim 1 *;
 [A]JPH04219658
 [A]  - PATENT ABSTRACTS OF JAPAN, (19900516), vol. 014, no. 230, Database accession no. (P - 1048), & JP02054434 A 19900223 (SEIKO EPSON CORP) [A] 1 * abstract *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19870409), vol. 011, no. 112, Database accession no. (P - 565), & JP61260434 A 19861118 (MATSUSHITA ELECTRIC IND CO LTD) [A] 1 * abstract *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19920918), vol. 016, no. 451, Database accession no. (P - 1424), & JP04157635 A 19920529 (MATSUSHITA ELECTRIC IND CO LTD) [A] 1 * abstract *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19921209), vol. 016, no. 568, Database accession no. (P - 1458), & JP04219658 A 19920810 (RICOH CO LTD) [A] 1 * abstract *
ExaminationEP0747893
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.