Holograms

June 11, 2017 | Penulis: Graham Tunnadine | Kategori: N/A
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Title (en) LARGE DISPLAY COMPOSITE HOLOGRAMS AND METHODS Title (de) GROSSE ZUSAMMENGESETZTE ANZEIGENHOLOGRAMME UND VERFAHREN Title (fr) HOLOGRAMMES COMPOSITES DE GRANDES TAILLES ET PROCEDES DE FABRICATION Publication EP 0839342 A1 19980506 (EN) Application EP 96909766 A 19960319 EP 96909766 A 19960319 Priority • US 9603714 W 19960319 • US 42889495 A 19950425 Abstract (en) [origin: US5973807A] A composite hologram comprises a plurality of hologram tiles arranged for display, each of said hologram tiles formed by exposing each of a plurality of different unexposed photographic plates simultaneously to light scattered by an intermediate hologram using a conjugate complex of a first reference wave from a coherent light source and to a second reference wave from said coherent light source. Inventor • BUCHKREMER HERMANN-STEPHAN (DE) • ROCKENFELLER UWE (US) Applicant ROCKY RESEARCH (US) IPC 1-7 (main, further and additional classification) G03H 1/30; G03H 1/26 IPC 8 full level (invention and additional information) G03H 1/20  (2006.01); G03H 1/24  (2006.01); G03H 1/26  (2006.01); G03H 1/30  (2006.01) CPC (invention and additional information) G03H 1/26 (2013.01); G03H 1/24 (2013.01); G03H 1/2249 (2013.01); G03H 1/2286 (2013.01); G03H 1/2294 (2013.01); G03H 2001/2231 (2013.01); G03H 2001/2234 (2013.01); G03H 2001/2236 (2013.01); G03H 2001/2268 (2013.01); G03H 2001/2273 (2013.01); G03H 2001/262 (2013.01); G03H 2001/269 (2013.01); G03H 2001/306 (2013.01); G03H 2210/22 (2013.01); G03H 2210/30 (2013.01); G03H 2210/441 (2013.01); G03H 2210/62 (2013.01); G03H 2250/39 (2013.01); G03H 2270/23 (2013.01); G03H 2270/24 (2013.01) Citation (search report)

• • • •

[A] WO 9424615 A1 19941027 - TUNNADINE GRAHAM DUNDAS RICHMO [GB] [A] US 4595252 A 19860617 - LORIMER JOHN M [US] [A] EP 0544251 A1 19930602 - CANON KK [JP] [A] US 4703994 A 19871103 - LEIB KENNETH G [US], et al

Citation (examination)

• [A] US 3832027 A 19740827 - KING M • [A] HARIHARAN P.: 'Optical holography', 1984, CAMBRIDGE UNIVERSITY PRESS, CAMBRIDGE • [A] MEHTA P.; RAMPAL V.: 'LASERS AND HOLOGRAPHY', 1993, WORLD SCIENTIFIC, SINGAPORE • See also references of WO 9634322A1

Designated contracting state (EPC) DE FR GB EPO simple patent family US 5973807 A 19991026; AU 5315896 A 19961118; CA 2219128 A1 19961031; DE 69635804 D1 20060420; DE 69635804 T2 20061102; EP 0839342 A1 19980506; EP 0839342 A4 19990519; EP 0839342 B1 20060208; HK 1010590 A1 20060901; JP H11511864 A 19991012; US 5734485 A 19980331; WO 9634322 A1 19961031 INPADOC legal status 2011-03-31 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO - Ref Country Code : GB - Free Format Text : LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES - Effective date : 20100319 2011-02-28 [PG25 DE] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO - Ref Country Code : DE - Free Format Text : LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES - Effective date : 20101001 2011-01-31 [PG25 FR] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO - Ref Country Code : FR - Free Format Text : LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES - Effective date : 20100331

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