Title:
投影スクリーンまたは投影容積を形成する方法方法および装置
Document Type and Number:
Japanese Patent JP4125123
Kind Code:
B2
Abstract:
The invention relates to a method for producing a non-solid projection screen (3), projection volume (8), or the like, the method comprising the steps of supplying and/or forming light scattering/reflecting scattering centres (4) to a substantially laminar transfer flow (2) to be transferred by said transfer flow (2). In accordance with the invention, the scattering centres (4) are supplied and/or formed to the transfer flow (2), to the central/inner parts thereof that remain laminar, away from the direct vicinity of the interfaces between the transfer flow (2) and the area surrounding thereof, in order to keep the projection screen in shape. In accordance with the invention, as the scattering centres (4) can be used light elastically or non-elastically scattering, solid liquid or gaseous substance.
Inventors:
PALOVUORI,Karri
RAKKOLAINEN,Ismo
RAKKOLAINEN,Ismo
Application Number:
JP2002556305A
Publication Date:
July 30, 2008
Filing Date:
January 15, 2002
Export Citation:
Assignee:
PALOVUORI,Karri
RAKKOLAINEN,Ismo
RAKKOLAINEN,Ismo
International Classes:
G03B21/60
Domestic Patent References:
| JP4287032A | ||||
| JP2201488A | ||||
| JP2042434A | ||||
| JP4079345U | ||||
| JP46011159B1 | ||||
| JP3112741U |
Attorney, Agent or Firm:
Keiichiro Saikyo
Takeshi Sugiyama
Minetarou Hirose
Takeshi Sugiyama
Minetarou Hirose