Invention Grant
- Patent Title: Image projector with flexible reflective analog modulator
- Patent Title (中): 具有柔性反光模拟调制器的图像投影仪
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Application No.: US11433647Application Date: 2006-05-12
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Publication No.: US07835056B2Publication Date: 2010-11-16
- Inventor: Michel Doucet , Maxime Savard , Francis Picard , Keith Niall
- Applicant: Michel Doucet , Maxime Savard , Francis Picard , Keith Niall
- Applicant Address: CA
- Assignee: Her Majesty the Queen in Right of Canada, as represented by Institut National d'Optique
- Current Assignee: Her Majesty the Queen in Right of Canada, as represented by Institut National d'Optique
- Current Assignee Address: CA
- Agency: Ungaretti & Harris LLP
- Priority: CA2507177 20050513
- Main IPC: G02B26/00
- IPC: G02B26/00

Abstract:
An image projector comprises a plurality of flexible reflective analog modulators (FRAMs), an illumination optics for focusing at least one light source thereon, a conversion optics for converting the variations in divergence of the beams reflected therefrom into variations in intensity, and a scanning mechanism coupled to a projection optics for displaying an image, constructed of intensity modulated light dots or pixels, on a screen. FRAM curvatures, responsible for determining the divergence of the reflected beams, and ultimately the intensity of each pixel, are varied by an actuation voltage that can be modulated using waveforms that minimize the FRAM response times. For multicolor images, three laser light sources operating at different wavelengths are used in conjunction with three linear FRAM arrays.
Public/Granted literature
- US20060291269A1 Image projector with flexible reflective analog modulator Public/Granted day:2006-12-28
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