Global Patent Index - EP 0990196 A1

EP 0990196 A1 2000-04-05 - PROJECTION CLOCK

Title (en)

PROJECTION CLOCK

Title (de)

PROJEKTIONSUHR

Title (fr)

HORLOGE A DISPOSITIF DE PROJECTION

Publication

EP 0990196 A1 (EN)

Application

EP 97929214 A

Priority

EP 9703182 W

Abstract (en)

[origin: WO9858298A1] Apparatus for projection of a liquid crystal display (5) of a clock (1) to a smooth surface, where the clock (1) comprises a casing (9) and a projection device (2) which is moveable relative to the casing (9) and provides a light source (4), a liquid crystal display (5) and a spherical lens (3), characterised in that the projection device (2) is based on the transmitted light principle, where the light source (4), the liquid crystal display (5) and a focusable, spherical lens (3) are sequentially arranged along the light beam permitting the projection of the liquid crystal display (5) into a real image.

IPC 1-7 (main, further and additional classification)

G04B 19/34

IPC 8 full level (invention and additional information)

G04B 19/34 (2006.01); G04G 9/00 (2006.01); G04G 13/02 (2006.01)

CPC (invention and additional information)

G04G 9/00 (2013.01); G04B 19/34 (2013.01)

Citation (third parties)

Third party :

  • DE 840970 C 19520609 - SCHMIDT OTTO DIPL-ING
  • JP H03175397 A 19910730 - TOMOE KOUKOKUSHIYA KK
  • US 2694338 A 19541116 - ISAAC MOULTRY, et al
  • US 2290811 A 19420721 - NASSOIT HARRY B
  • PATENT ABSTRACTS OF JAPAN vol. 005, no. 046 (P - 054) 27 March 1981 (1981-03-27)
  • KATALOG DER CONRAD ELECTRONIC GMBH VON 1994, pages 183, XP002942361
  • TEST: "Physik", 1982, TEST, MUENCHEN, article OREAR, J.: "Vorwort: zur deutschsprachigen Ausgabe", pages: 519, XP002942362
  • See also references of WO 9858298A1

Designated contracting state (EPC)

DE FR GB IT

EPO simple patent family

WO 9858298 A1 19981223; DE 69734836 D1 20060112; DE 69734836 T2 20060907; EP 0990196 A1 20000405; EP 0990196 B1 20051207; HK 1024063 A1 20060217; JP 2002505746 A 20020219

INPADOC legal status


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- Document: DE 69734836

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2006-11-15 [26N] NO OPPOSITION FILED

- Effective date: 20060908

2006-08-18 [ET] FR: TRANSLATION FILED

2006-02-17 [REG HK GR] STANDARD PATENTS GRANTED IN HONG KONG

- Document: HK 1024063

2006-01-12 [REF] CORRESPONDS TO:

- Document: DE 69734836 P 20060112

2005-12-07 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

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2005-12-07 [REG GB FG4D] EUROPEAN PATENT GRANTED

2004-10-06 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20040824

2000-04-05 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19991118

2000-04-05 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

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