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Title:
PRESENTATION SYSTEM
Document Type and Number:
Japanese Patent JP2003108305
Kind Code:
A
Abstract:

To provide a presentation system that establishes safety and permits to restrict unintentional movement of hands and the creation of intricate diversified point shapes.

A picture of two reference points A, B that are two opposite angle points of a rectangular virtual screen 11 in the vicinity of a presenter P is taken with a camera 5, and the coordinate for the static virtual screen 11 is generated based on the picture. The presenter P operates the point with a light-emitting part 61 on the virtual screen 11, and a controlling element 3 calculates the coordinate of the light-emitting part 61 on the coordinate of the virtual screen 11. Then, a point image is projected on the coordinate of the light-emitting part 61 from a liquid crystal projector 2.


Inventors:
NISHIMURA MITSUYOSHI
YOKOYAMA JUNICHI
NAGASHIMA TAKASHI
Application Number:
JP2001299262A
Publication Date:
April 11, 2003
Filing Date:
September 28, 2001
Export Citation:
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Assignee:
FUJI PHOTO OPTICAL CO LTD
International Classes:
G06F3/00; G06F3/01; G06F3/033; G06F3/0346; G06F3/038; G06F3/041; G06F3/042; G09B19/00; (IPC1-7): G06F3/033
Domestic Patent References:
JPH11161415A1999-06-18
JPH03167621A1991-07-19
JPH1083246A1998-03-31
JP2001125738A2001-05-11
JPH04127674A1992-04-28
JP2003504705A2003-02-04
JPH09319556A1997-12-12
JPH1078844A1998-03-24
JP2001209487A2001-08-03
JP2000148375A2000-05-26
Foreign References:
WO2001003106A12001-01-11
Attorney, Agent or Firm:
Mikio Suenari



 
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