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Extract from the Register of European Patents

EP About this file: EP0575110

EP0575110 - Compressing and expanding digital signals [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  16.07.1999
Database last updated on 11.09.2024
Most recent event   Tooltip16.07.1999No opposition filed within time limitpublished on 01.09.1999 [1999/35]
Applicant(s)For all designated states
Sony Corporation
7-35, Kitashinagawa 6-chome
Shinagawa-ku
Tokyo / JP
[N/P]
Former [1998/37]For all designated states
SONY CORPORATION
7-35 Kitashinagawa 6-chome, Shinagawa-ku
Tokyo / JP
Former [1993/51]For all designated states
SONY CORPORATION
6-7-35 Kitashinagawa Shinagawa-ku
Tokyo 141 / JP
Inventor(s)01 / Akagiri, Kenzo, Sony Corporation
6-7-35 Kitashinagawa Shinagawa
Tokyo 141 / JP
[1993/51]
Representative(s)Cotter, Ivan John, et al
D Young & Co LLP 120 Holborn
London EC1N 2DY / GB
[N/P]
Former [1995/21]Cotter, Ivan John, et al
D. YOUNG & CO. 21 New Fetter Lane
London EC4A 1DA / GB
Former [1993/51]Targett, Kenneth Stanley
D. Young & Co., 21 New Fetter Lane
London EC4A 1DA / GB
Application number, filing date93304546.011.06.1993
[1993/51]
Priority number, dateJP1992015698216.06.1992         Original published format: JP 15698292
[1993/51]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0575110
Date:22.12.1993
Language:EN
[1993/51]
Type: A3 Search report 
No.:EP0575110
Date:26.01.1994
Language:EN
[1994/04]
Type: B1 Patent specification 
No.:EP0575110
Date:09.09.1998
Language:EN
[1998/37]
Search report(s)(Supplementary) European search report - dispatched on:EP07.12.1993
ClassificationIPC:H04B1/66
[1993/51]
CPC:
H03G7/007 (EP,US); H04B1/64 (KR); H04B1/665 (EP,US)
Designated contracting statesDE,   FR,   GB [1993/51]
TitleGerman:Kompression und Dehnung von digitalen Signalen[1993/51]
English:Compressing and expanding digital signals[1993/51]
French:Compression et décompression de signaux numériques[1993/51]
Examination procedure20.06.1994Examination requested  [1994/33]
25.11.1996Despatch of a communication from the examining division (Time limit: M04)
15.03.1997Reply to a communication from the examining division
01.12.1997Despatch of communication of intention to grant (Approval: Yes)
12.03.1998Communication of intention to grant the patent
28.04.1998Fee for grant paid
28.04.1998Fee for publishing/printing paid
Opposition(s)10.06.1999No opposition filed within time limit [1999/35]
Fees paidRenewal fee
01.05.1995Renewal fee patent year 03
10.06.1996Renewal fee patent year 04
10.06.1997Renewal fee patent year 05
15.06.1998Renewal fee patent year 06
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Documents cited:Search[A]EP0423050  (FRANCE ETAT [FR]) [A] 21,22* abstract *;
 [A]EP0424016  (AMERICAN TELEPHONE & TELEGRAPH [US]) [A] 1-6,9-14,17-19 * page 2, line 40 - page 3, line 9 * * page 5, line 4 - page 6, line 25; figure 2 *;
 [A]  - MAHIEUX ET AL, "Transform Coding of Audio Signals at 64 Kbits/s", GLOBECOM '90, NY, (199012), vol. 1, doi:doi:10.1109/GLOCOM.1990.116565, pages 518 - 522, XP000218782 [A] 1,7-9,15-20 * abstract * * page 520, column L, line 61 - page 521, column L, line 33 *

DOI:   http://dx.doi.org/10.1109/GLOCOM.1990.116565
 [A]  - THEILE ET AL, "Low bit-rate coding of high-quality audio signals An introduction to the MASCAM system", EBU REVIEW- TECHNICAL, BRUSSELS BE, (198808), no. 230, pages 158 - 181, XP000003955 [A] 1,7-9,15-20 * page 162, column L, line 17 - page 164, column L, line 2; figures 4,5 *
ExaminationEP0420745
 EP0525809
 EP0554081
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.