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Extract from the Register of European Patents

EP About this file: EP0025118

EP0025118 - Arrangement for the acoustic reproduction of signals, presented by means of a right and a left stereo-channel [Right-click to bookmark this link]
StatusThe application has been refused
Status updated on  13.02.1984
Database last updated on 14.09.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
Riedlinger, Rainer, Dr.-Ing.
Göhrenstrasse 16
D-7500 Karlsruhe 51 / DE
[1983/51]
Former [1981/11]For all designated states
Braun Aktiengesellschaft
Postfach 11 20
D-61466 Kronberg / DE
Inventor(s)01 / Riedlinger, Rainer, Dr. Ing.
Göhrenstrasse 16
D-7500 Karlsruhe 51 / DE
02 / Koch, Walter, Dr. Ing.
Frankfurter Strasse 26
D-6242 Kronberg / DE
03 / Schneider, Peter
Am Hasensprung 23
D-6240 Königstein 3 / DE
04 / Hartwein, Peter
Frankfurter Strasse 14a
D-6240 Königstein / DE
[1981/11]
Representative(s)(deleted)
[1983/51]
Former [1981/11]Einsele, Rolf, et al
Braun Aktiengesellschaft Postfach 11 20
D-61466 Kronberg / DE
Application number, filing date80104595.604.08.1980
[1981/11]
Priority number, dateDE19790023615U18.08.1979         Original published format: DE 7923615 U
DE1979293384221.08.1979         Original published format: DE 2933842
DE1979293400022.08.1979         Original published format: DE 2934000
[1981/11]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0025118
Date:18.03.1981
Language:DE
[1981/11]
Search report(s)(Supplementary) European search report - dispatched on:EP05.12.1980
ClassificationIPC:H04R5/02, H04S1/00
[1981/11]
CPC:
H04R1/026 (EP); H04R5/02 (EP); H04R2201/021 (EP)
Designated contracting statesCH,   DE,   FR,   GB,   LI,   NL [1981/11]
TitleGerman:Anordnung zur akustischen Wiedergabe von Signalen, die mittels eines rechten und eines linken Stereo-Kanals darstellbar sind[1981/11]
English:Arrangement for the acoustic reproduction of signals, presented by means of a right and a left stereo-channel[1981/11]
French:Dispositif pour la reproduction acoustique de signaux qui sont représentables au moyen de canaux stéréophoniques de droite et de gauche[1981/11]
File destroyed:14.07.1990
Examination procedure21.04.1981Examination requested  [1981/27]
06.04.1982Despatch of a communication from the examining division (Time limit: M06)
03.09.1982Reply to a communication from the examining division
29.10.1982Despatch of a communication from the examining division (Time limit: M02)
06.11.1982Reply to a communication from the examining division
13.12.1982Despatch of communication of intention to grant (Approval: )
15.03.1983Communication of intention to grant the patent
26.10.1983Despatch of communication that the application is refused, reason: substantive examination [1984/16]
09.01.1984Application refused, date of legal effect [1984/16]
Fees paidRenewal fee
03.08.1982Renewal fee patent year 03
Penalty fee
Additional fee for renewal fee
31.08.198304   M06   Not yet paid
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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[D]US4105864  (BERKOVITZ ROBERT A);
 [AD]DE2112516  (KURTZE GUENTHER DIPL PHYS PROF);
 [AD]DE844169  (KLANGFILM GMBH);
 [A]DE2637881  (SARMIENTO LUCIO JAIME)
    [ ] - WIRELESS WORLD, Band 77, Nr. 1424, Februar 1971, Seiten 67-70, London, G.B., E.J. JORDAN: "Loudspeaker Stereo Techniques".
 [P]  - RADIO MENTOR ELECTRONIC, Band 45, Nr. 10, Oktober 1979, Seite 352, Berlin, DE, "Stereo im Ganzen: Holophonie mit neun Mittel-Hocht�nern".
 [AD]  - FUNKSCHAU, Heft 23, 1957, Seiten 633-636, M}nchen, DE, W. BURCK: "Uber elektrostatische Lautsprecher f}r grossere Frequenzbereiche".
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.