Title:
DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO2001088892
Kind Code:
A3
Abstract:
A display device, comprising a central shaft (100); at least one support arm (108), rotatably attached to the central shaft; and a cam member (112) having at least one cam surface (122). The cam surface positioned so as to be engageable with the least one support arm. The cam member being movable at least axially in relation to the central shaft. As the cam member moves axially of the central shaft, a cam surface contacts at least one support arm and moves it circumferentially around the central shaft. The shapes of the cam surface provide choreographed movement of the support arms. Visual elements (201-206) may be attached to the support arms.
Inventors:
SMITH GLENN (US)
Application Number:
PCT/US2001/014075
Publication Date:
April 04, 2002
Filing Date:
May 01, 2001
Export Citation:
Assignee:
ROBOTIC DISPLAYS CORP (US)
SMITH GLENN (US)
SMITH GLENN (US)
International Classes:
G09F7/22; G09F7/18; G09F11/02; G09F15/00; G09G1/00; G09G; (IPC1-7): G09F11/02
Foreign References:
| US6122983A | 2000-09-26 |
Other References:
See also references of EP 1290669A4
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