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Extract from the Register of European Patents

EP About this file: EP0349237

EP0349237 - A stereo multiplex demodulator [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  19.08.1995
Database last updated on 01.01.2025
Most recent event   Tooltip19.08.1995No opposition filed within time limitpublished on 11.10.1995 [1995/41]
Applicant(s)For all designated states
Sony Corporation
7-35 Kitashinagawa 6-chome
Shinagawa-ku
Tokyo 141 / JP
[N/P]
Former [1990/01]For all designated states
SONY CORPORATION
7-35 Kitashinagawa 6-chome Shinagawa-ku
Tokyo 141 / JP
Inventor(s)01 / Okanobu, Taiwa C/O SONY CORPORATION
7-35 Kitashinagawa 6-chome
Shinagawa-ku Tokyo / JP
[1990/01]
Representative(s)Ayers, Martyn Lewis Stanley, et al
J A Kemp
14 South Square
Gray's Inn
London
WC1R 5JJ / GB
[N/P]
Former [1990/01]Ayers, Martyn Lewis Stanley, et al
J.A. KEMP & CO. 14 South Square Gray's Inn
London WC1R 5LX / GB
Application number, filing date89306449.326.06.1989
[1990/01]
Priority number, dateJP1988015993328.06.1988         Original published format: JP 15993388
[1990/01]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0349237
Date:03.01.1990
Language:EN
[1990/01]
Type: A3 Search report 
No.:EP0349237
Date:07.11.1990
Language:EN
[1990/45]
Type: B1 Patent specification 
No.:EP0349237
Date:19.10.1994
Language:EN
[1994/42]
Search report(s)(Supplementary) European search report - dispatched on:EP18.09.1990
ClassificationIPC:H03D1/22, H03L5/00
[1990/01]
CPC:
H03L5/00 (EP,US); H03D1/2236 (EP,US)
Designated contracting statesDE,   FR,   GB,   NL [1990/01]
TitleGerman:Multiplexstereodekoder[1990/01]
English:A stereo multiplex demodulator[1990/01]
French:Décodeur stéréo multiplex[1990/01]
Examination procedure17.12.1990Examination requested  [1991/07]
02.04.1993Despatch of a communication from the examining division (Time limit: M06)
01.10.1993Reply to a communication from the examining division
21.12.1993Despatch of communication of intention to grant (Approval: Yes)
14.04.1994Communication of intention to grant the patent
29.06.1994Fee for grant paid
29.06.1994Fee for publishing/printing paid
Opposition(s)20.07.1995No opposition filed within time limit [1995/41]
Fees paidRenewal fee
21.12.1990Renewal fee patent year 03
09.06.1992Renewal fee patent year 04
14.06.1993Renewal fee patent year 05
11.06.1994Renewal fee patent year 06
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Documents cited:Search[X]JP5945732  ;
 [X]JP5648738  ;
 [Y]JP5949030  ;
 [X]US4502148  (ISHIDA KOHJI [JP], et al);
 [X]US4539697  (ISHIDA KOHJI [JP], et al);
 [A]FR2503955  (PHILIPS NV [NL]);
 [A]US3585411  (CECCHIN GILDO, et al)
 [X]  - PATENT ABSTRACTS OF ABSTRACTS OF JAPAN, vol. 8, no. 135 (E-252)[1572], 22nd June 1984; & JP-A-59 45 732 (NIPPON GAKKI SEIZO) 14-03-1984, & JP5945732 A 00000000
 [X]  - PATENT ABSTRACTS OF JAPAN, vol. 5, no. 109 (E-65)[781], 15th July 1981; & JP-A-56 48 738 (HITACHI SEISAKUSHO K.K.) 02-05-1981, & JP5648738 A 00000000
 [Y]  - PATENT ABSTRACTS OF JAPAN, vol. 8, no. 139 (E-253)[1576], 28th June 1984; & JP-A-59 49 030 (PIONEER K.K.) 21-03-1984, & JP5949030 A 00000000
Examination   - PATENT ABSTRACTS OF JAPAN, vol. 8, no. 135 (E-252)(1572), 22nd June 1984
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.