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Extract from the Register of European Patents

EP About this file: EP0098185

EP0098185 - Illumination device for an electro-optical medium for recording real time holograms [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  18.07.1986
Database last updated on 06.07.2024
Most recent event   Tooltip18.07.1986No opposition filed within time limitpublished on 03.09.1986 [1986/36]
Applicant(s)For all designated states
THOMSON-CSF
173, Boulevard Haussmann
F-75008 Paris / FR
[1984/02]
Inventor(s)01 / Graindorge, Philippe
THOMSON-CSF SCPI 173, bld Haussmann
F-75379 Paris Cedex 08 / FR
02 / Arditty, Hervé
THOMSON-CSF SCPI 173, Bld Haussmann
F-75379 Paris Cedex 08 / FR
[1984/02]
Application number, filing date83401156.107.06.1983
[1984/02]
Priority number, dateFR1982001070318.06.1982         Original published format: FR 8210703
[1984/02]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report 
No.:EP0098185
Date:11.01.1984
Language:FR
[1984/02]
Type: B1 Patent specification 
No.:EP0098185
Date:18.09.1985
Language:FR
[1985/38]
Search report(s)(Supplementary) European search report - dispatched on:EP27.10.1983
ClassificationIPC:G03H1/00, G02F1/03
[1984/02]
CPC:
G02F1/0338 (EP,US); G03H1/04 (EP,US)
Designated contracting statesDE,   GB,   IT,   NL,   SE [1984/02]
TitleGerman:Beleuchtungseinrichtung für ein elektro-optisches Medium zur Aufzeichnung von Echtzeithologrammen[1985/38]
English:Illumination device for an electro-optical medium for recording real time holograms[1984/02]
French:Dispositif d'éclairement d'un milieu électro-optique pour enregistrer des hologrammes en temps réel[1984/02]
Former [1984/02]Beleuchtungseinrichtung von einem elektro-optischen Medium zur Aufzeichnung von Echtzeithologrammen
Examination procedure20.01.1984Examination requested  [1984/13]
13.12.1984Despatch of communication of intention to grant (Approval: )
07.03.1985Communication of intention to grant the patent
23.05.1985Fee for grant paid
23.05.1985Fee for publishing/printing paid
Opposition(s)19.06.1986No opposition filed within time limit [1986/36]
Fees paidRenewal fee
15.05.1985Renewal fee patent year 03
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Documents cited:Search[A]FR2362466  (THOMSON CSF [FR]);
 [A]US3767284  (DAMMANN H)
 [A]  - OPTICAL ENGINEERING; vol. 17, no. 5, septembre-octobre 1978, pages 470-479, S.P.I.E., Bellingham, USA
 [A]  - JOURNAL OF APPLIED PHYSICS, vol. 48, no. 9, septembre 1977, pages 3683-3690, American Institute of Physics, New York, USA
Examination   - JOURNAL OF APPLIED PHYSICS, vol. 48, no. 9, septembre 1977, pages 3683-3690, American Institute of Physics, New York, USA M. PELITER et al.: "Volume hologram recording and charge transfer process in Bi12Si020 and Bi12Ge020"
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.