Global Patent Index - EP 0990196 A1

EP 0990196 A1 20000405 - PROJECTION CLOCK

Title (en)

PROJECTION CLOCK

Title (de)

PROJEKTIONSUHR

Title (fr)

HORLOGE A DISPOSITIF DE PROJECTION

Publication

EP 0990196 A1 20000405 (EN)

Application

EP 97929214 A 19970618

Priority

EP 9703182 W 19970618

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

G04B 19/34

IPC 8 full level

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

CPC (source: EP)

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

Citation (search report)

See references of WO 9858298A1

Citation (third parties)

Third party :

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

WO 9858298 A1 19981223; DE 69734836 D1 20060112; DE 69734836 T2 20060907; EP 0990196 A1 20000405; EP 0990196 B1 20051207; HK 1024063 A1 20000929; JP 2002505746 A 20020219

DOCDB simple family (application)

EP 9703182 W 19970618; DE 69734836 T 19970618; EP 97929214 A 19970618; HK 00103208 A 20000530; JP 50361999 A 19970618