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Wide Angle Projector to project changing patterns in white light
 05 FR GECA 0COO
Abstract
 A French company wishes to develop a wide-angle projector for implementation in a photographic industrial application. The purpose of this device is to project patterns orchestrated by an order coming from a computer. A different pattern is projected in the photographed scene during each snapshot. The company is seeking a partner (industry, research organisation) for technical co-operation, support and/or development.

 Description
A French company wishes to develop and use a wide-angle projector for implementation in a photographic industrial application for mechanics, health or textile applications. The purpose of this device is to project patterns orchestrated by an order coming from a computer. A different pattern is projected in the photographed scene during each snapshot.

Requirements:
- Reduce the dimensions of the photographic industrial application.
- Flashed pattern projection to avoid the use of a cooling system.
- Easy to maintain.

Technical Specifications / Specific technical requirements:
- 24bits projected pattern.
- Resolution 1024*768 (minimal: 800*600).
- Pattern projected in 256 grey levels.
- Permanent pattern projection.
- Pattern is controlled with the SVGA (Super Video Graphics Array) output of a computer.
- Refresh time of the LCD (Liquid Crystal Display) (or equivalent) is <32ms.
- The projected pattern is selected within several preloaded pattern (typically 16).
- The pattern uploading is fast (<64ms/pattern).
- The pattern change is TTL (Transistor -Transistor Logic) -controlled.
- A TTL signal confirms the availability of the pattern for the projection.
- The pattern can be changed and projected at a speed of 30 images/second.
- The volume to be covered with the projector start at a distance of 0.80m (minimal: 1.10 m) and has the following dimensions: 1.80m (width) * 2.20m (height) * 0.8m (depth).
- The projected pattern must be focused in the whole projection volume.
- The projected pattern must not be distorted (a straight line in the pattern must stand straight in the scene).

 Collaboration details
Technical Co-operation
- Type of partner sought: Industry, university, research organisation
- Specific area of activity of the partner: Research
- Task to be performed: Technical co-operation/co-development and/or technical support

 For more information
 Isabelle Gouriou

 

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